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Zengtudor:master
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Zengtudor:latest
Zengtudor:new-cursors-on-3.3-stable
Zengtudor:3.3-stable
Zengtudor:wayland-tablet
Zengtudor:keyboard-layout-r2
Zengtudor:damage-tracking
Zengtudor:x11-inhibit-screensaver
Zengtudor:attach-win32-window
Zengtudor:context-renderer
Zengtudor:drag-window
Zengtudor:egldevice
Zengtudor:get-event-time
Zengtudor:metal-guide
Zengtudor:preedit-ime
Zengtudor:x11-event-time
Zengtudor:3.4
Zengtudor:3.3.10
Zengtudor:3.3.9
Zengtudor:3.3.8
Zengtudor:3.3.7
Zengtudor:3.3.6
Zengtudor:3.3.5
Zengtudor:3.3.4
Zengtudor:3.3.3
Zengtudor:3.3.2
Zengtudor:3.3.1
Zengtudor:3.3
Zengtudor:3.2.1
Zengtudor:3.2
Zengtudor:3.1.2
Zengtudor:3.1.1
Zengtudor:3.1
Zengtudor:3.0.4
Zengtudor:3.0.3
Zengtudor:3.0.2
Zengtudor:Test
Zengtudor:3.0.1
Zengtudor:3.0
..
compare: Zengtudor:Test
Branches Tags
Zengtudor:master
Zengtudor:ci
Zengtudor:latest
Zengtudor:new-cursors-on-3.3-stable
Zengtudor:3.3-stable
Zengtudor:wayland-tablet
Zengtudor:keyboard-layout-r2
Zengtudor:damage-tracking
Zengtudor:x11-inhibit-screensaver
Zengtudor:attach-win32-window
Zengtudor:context-renderer
Zengtudor:drag-window
Zengtudor:egldevice
Zengtudor:get-event-time
Zengtudor:metal-guide
Zengtudor:preedit-ime
Zengtudor:x11-event-time
Zengtudor:3.4
Zengtudor:3.3.10
Zengtudor:3.3.9
Zengtudor:3.3.8
Zengtudor:3.3.7
Zengtudor:3.3.6
Zengtudor:3.3.5
Zengtudor:3.3.4
Zengtudor:3.3.3
Zengtudor:3.3.2
Zengtudor:3.3.1
Zengtudor:3.3
Zengtudor:3.2.1
Zengtudor:3.2
Zengtudor:3.1.2
Zengtudor:3.1.1
Zengtudor:3.1
Zengtudor:3.0.4
Zengtudor:3.0.3
Zengtudor:3.0.2
Zengtudor:Test
Zengtudor:3.0.1
Zengtudor:3.0

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211 changed files with 29187 additions and 106655 deletions
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47
.appveyor.yml
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@ -1,47 +0,0 @@
image:
- Visual Studio 2015
branches:
only:
- ci
- master
- latest
- 3.3-stable
skip_tags: true
environment:
matrix:
- GENERATOR: MinGW Makefiles
BUILD_SHARED_LIBS: ON
CFLAGS: -Werror
- GENERATOR: MinGW Makefiles
BUILD_SHARED_LIBS: OFF
CFLAGS: -Werror
- GENERATOR: Visual Studio 12 2013
BUILD_SHARED_LIBS: ON
CFLAGS: /WX
- GENERATOR: Visual Studio 12 2013
BUILD_SHARED_LIBS: OFF
CFLAGS: /WX
matrix:
fast_finish: true
for:
-
matrix:
only:
- GENERATOR: MinGW Makefiles
build_script:
- set PATH=%PATH:C:\Program Files\Git\usr\bin=C:\MinGW\bin%
- cmake -B build -G "%GENERATOR%" -DBUILD_SHARED_LIBS=%BUILD_SHARED_LIBS%
- cmake --build build
-
matrix:
only:
- GENERATOR: Visual Studio 12 2013
build_script:
- cmake -B build -G "%GENERATOR%" -DBUILD_SHARED_LIBS=%BUILD_SHARED_LIBS%
- cmake --build build --target glfw
notifications:
- provider: Email
to:
- ci@glfw.org
on_build_failure: true
on_build_success: false

67
.editorconfig
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@ -1,67 +0,0 @@
# EditorConfig for GLFW and its internal dependencies
#
# All files created by GLFW should indent with four spaces unless their format requires
# otherwise. A few files still use other indent styles for historical reasons.
#
# Dependencies have (what seemed to be) their existing styles described. Those with
# existing trailing whitespace have it preserved to avoid cluttering future commits.
root = true
[*]
charset = utf-8
end_of_line = lf
[include/GLFW/*.h]
indent_style = space
indent_size = 4
[{src,examples,tests}/*.{c,m,h,rc,in}]
indent_style = space
indent_size = 4
[CMakeLists.txt]
indent_style = space
indent_size = 4
[CMake/**.{cmake,in}]
indent_style = space
indent_size = 4
[*.{md}]
indent_style = space
indent_size = 4
trim_trailing_whitespace = false
[DoxygenLayout.xml]
indent_style = space
indent_size = 2
[docs/*.{scss,html}]
indent_style = tab
indent_size = unset
[deps/mingw/*.h]
indent_style = space
indent_size = 4
tab_width = 8
trim_trailing_whitespace = false
[deps/getopt.{c,h}]
indent_style = space
indent_size = 2
[deps/linmath.h]
indent_style = tab
tab_width = 4
indent_size = 4
trim_trailing_whitespace = false
[deps/nuklear*.h]
indent_style = space
indent_size = 4
[deps/tinycthread.{c,h}]
indent_style = space
indent_size = 2

5
.gitattributes vendored
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@ -1,5 +0,0 @@
*.m linguist-language=Objective-C
.gitignore export-ignore
.gitattributes export-ignore
.travis.yml export-ignore
.appveyor.yml export-ignore

8
.github/CODEOWNERS vendored
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@ -1,8 +0,0 @@
* @elmindreda
docs/*.css @glfw/webdev
docs/*.scss @glfw/webdev
docs/*.html @glfw/webdev
docs/*.xml @glfw/webdev

100
.github/workflows/build.yml vendored
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@ -1,100 +0,0 @@
name: Build
on:
pull_request:
push:
branches: [ ci, master, latest, 3.3-stable ]
workflow_dispatch:
permissions:
statuses: write
contents: read
jobs:
build-linux-clang:
name: Linux (Clang)
runs-on: ubuntu-latest
timeout-minutes: 4
env:
CC: clang
CFLAGS: -Werror
steps:
- uses: actions/checkout@v4
- name: Install dependencies
run: |
sudo apt update
sudo apt install libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libxext-dev libwayland-dev libxkbcommon-dev
- name: Configure Null shared library
run: cmake -B build-null-shared -D GLFW_BUILD_WAYLAND=OFF -D GLFW_BUILD_X11=OFF -D BUILD_SHARED_LIBS=ON
- name: Build Null shared library
run: cmake --build build-null-shared --parallel
- name: Configure X11 shared library
run: cmake -B build-x11-shared -D GLFW_BUILD_WAYLAND=OFF -D GLFW_BUILD_X11=ON -D BUILD_SHARED_LIBS=ON
- name: Build X11 shared library
run: cmake --build build-x11-shared --parallel
- name: Configure Wayland shared library
run: cmake -B build-wayland-shared -D GLFW_BUILD_WAYLAND=ON -D GLFW_BUILD_X11=OFF -D BUILD_SHARED_LIBS=ON
- name: Build Wayland shared library
run: cmake --build build-wayland-shared --parallel
- name: Configure Wayland+X11 static library
run: cmake -B build-full-static -D GLFW_BUILD_WAYLAND=ON -D GLFW_BUILD_X11=ON
- name: Build Wayland+X11 static library
run: cmake --build build-full-static --parallel
- name: Configure Wayland+X11 shared library
run: cmake -B build-full-shared -D GLFW_BUILD_WAYLAND=ON -D BUILD_SHARED_LIBS=ON -D GLFW_BUILD_X11=ON
- name: Build Wayland+X11 shared library
run: cmake --build build-full-shared --parallel
build-macos-clang:
name: macOS (Clang)
runs-on: macos-latest
timeout-minutes: 4
env:
CFLAGS: -Werror
MACOSX_DEPLOYMENT_TARGET: 10.11
CMAKE_OSX_ARCHITECTURES: x86_64;arm64
steps:
- uses: actions/checkout@v4
- name: Configure Null shared library
run: cmake -B build-null-shared -D GLFW_BUILD_COCOA=OFF -D BUILD_SHARED_LIBS=ON
- name: Build Null shared library
run: cmake --build build-null-shared --parallel
- name: Configure Cocoa static library
run: cmake -B build-cocoa-static
- name: Build Cocoa static library
run: cmake --build build-cocoa-static --parallel
- name: Configure Cocoa shared library
run: cmake -B build-cocoa-shared -D BUILD_SHARED_LIBS=ON
- name: Build Cocoa shared library
run: cmake --build build-cocoa-shared --parallel
build-windows-vs2022:
name: Windows (VS2022)
runs-on: windows-latest
timeout-minutes: 4
env:
CFLAGS: /WX
steps:
- uses: actions/checkout@v4
- name: Configure Win32 shared x86 library
run: cmake -B build-win32-shared-x86 -G "Visual Studio 17 2022" -A Win32 -D BUILD_SHARED_LIBS=ON
- name: Build Win32 shared x86 library
run: cmake --build build-win32-shared-x86 --parallel
- name: Configure Win32 static x64 library
run: cmake -B build-win32-static-x64 -G "Visual Studio 17 2022" -A x64
- name: Build Win32 static x64 library
run: cmake --build build-win32-static-x64 --parallel
- name: Configure Win32 shared x64 library
run: cmake -B build-win32-shared-x64 -G "Visual Studio 17 2022" -A x64 -D BUILD_SHARED_LIBS=ON
- name: Build Win32 shared x64 library
run: cmake --build build-win32-shared-x64 --parallel

70
.gitignore vendored
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@ -1,46 +1,19 @@
# The canonical out-of-tree build subdirectory
build
build-*
# Visual Studio clutter
# External junk
.DS_Store
_ReSharper*
*.opensdf
*.sdf
*.suo
*.dir
*.vcxproj*
*.sln
.vs
CMakeSettings.json
Win32
x64
Debug
Release
MinSizeRel
RelWithDebInfo
*.opensdf
# Xcode clutter
GLFW.build
GLFW.xcodeproj
# macOS clutter
.DS_Store
# Makefile generator clutter
# CMake files
Makefile
# Ninja generator clutter
build.ninja
rules.ninja
.ninja_deps
.ninja_log
# CMake clutter
CMakeCache.txt
CMakeFiles
CMakeScripts
CMakeDoxyfile.in
CMakeDoxygenDefaults.cmake
cmake_install.cmake
cmake_uninstall.cmake
@ -48,57 +21,50 @@ cmake_uninstall.cmake
docs/Doxyfile
docs/html
docs/warnings.txt
docs/doxygen_sqlite3.db
src/glfw_config.h
src/config.h
src/glfw3.pc
src/glfw3Config.cmake
src/glfw3ConfigVersion.cmake
src/glfwConfig.cmake
src/glfwConfigVersion.cmake
# Compiled binaries
src/libglfw.so
src/libglfw.so.3
src/libglfw.so.3.5
src/libglfw.so.3.0
src/libglfw.dylib
src/libglfw.dylib
src/libglfw.3.dylib
src/libglfw.3.5.dylib
src/libglfw.3.0.dylib
src/libglfw3.a
src/glfw3.lib
src/glfw3.dll
src/glfw3dll.lib
src/libglfw3dll.a
src/glfw3dll.a
examples/*.app
examples/*.exe
examples/boing
examples/gears
examples/heightmap
examples/offscreen
examples/particles
examples/splitview
examples/sharing
examples/triangle-opengl
examples/simple
examples/wave
examples/windows
tests/*.app
tests/*.exe
tests/accuracy
tests/clipboard
tests/cursor
tests/empty
tests/defaults
tests/events
tests/fsaa
tests/gamma
tests/glfwinfo
tests/icon
tests/iconify
tests/inputlag
tests/joysticks
tests/monitors
tests/msaa
tests/modes
tests/peter
tests/reopen
tests/sharing
tests/tearing
tests/threads
tests/timeout
tests/title
tests/triangle-vulkan
tests/window
tests/version
tests/windows

10
.mailmap
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@ -1,10 +0,0 @@
Camilla Löwy <elmindreda@glfw.org> <elmindreda@users.sourceforge.net>
Camilla Löwy <elmindreda@glfw.org> <elmindreda@elmindreda.org>
Camilla Löwy <elmindreda@glfw.org>
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Marcus Geelnard <m@bitsnbites.eu> <marcus256@users.sourceforge.net>
Marcus Geelnard <m@bitsnbites.eu> <marcus@geelnards-pc.(none)>
Marcus Geelnard <m@bitsnbites.eu>

50
CMake/GenerateMappings.cmake
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@ -1,50 +0,0 @@
# Usage:
# cmake -P GenerateMappings.cmake <path/to/mappings.h.in> <path/to/mappings.h>
cmake_policy(VERSION 3.16)
set(source_url "https://raw.githubusercontent.com/gabomdq/SDL_GameControllerDB/master/gamecontrollerdb.txt")
set(source_path "${CMAKE_CURRENT_BINARY_DIR}/gamecontrollerdb.txt")
set(template_path "${CMAKE_ARGV3}")
set(target_path "${CMAKE_ARGV4}")
if (NOT EXISTS "${template_path}")
message(FATAL_ERROR "Failed to find template file ${template_path}")
endif()
file(DOWNLOAD "${source_url}" "${source_path}"
STATUS download_status
TLS_VERIFY on)
list(GET download_status 0 status_code)
list(GET download_status 1 status_message)
if (status_code)
message(FATAL_ERROR "Failed to download ${source_url}: ${status_message}")
endif()
file(STRINGS "${source_path}" lines)
list(FILTER lines INCLUDE REGEX "^[0-9a-fA-F]")
foreach(line IN LISTS lines)
if (line MATCHES "platform:Windows")
if (GLFW_WIN32_MAPPINGS)
string(APPEND GLFW_WIN32_MAPPINGS "\n")
endif()
string(APPEND GLFW_WIN32_MAPPINGS "\"${line}\",")
elseif (line MATCHES "platform:Mac OS X")
if (GLFW_COCOA_MAPPINGS)
string(APPEND GLFW_COCOA_MAPPINGS "\n")
endif()
string(APPEND GLFW_COCOA_MAPPINGS "\"${line}\",")
elseif (line MATCHES "platform:Linux")
if (GLFW_LINUX_MAPPINGS)
string(APPEND GLFW_LINUX_MAPPINGS "\n")
endif()
string(APPEND GLFW_LINUX_MAPPINGS "\"${line}\",")
endif()
endforeach()
configure_file("${template_path}" "${target_path}" @ONLY NEWLINE_STYLE UNIX)
file(REMOVE "${source_path}")

38
CMake/Info.plist.in
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@ -1,38 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>English</string>
<key>CFBundleExecutable</key>
<string>${MACOSX_BUNDLE_EXECUTABLE_NAME}</string>
<key>CFBundleGetInfoString</key>
<string>${MACOSX_BUNDLE_INFO_STRING}</string>
<key>CFBundleIconFile</key>
<string>${MACOSX_BUNDLE_ICON_FILE}</string>
<key>CFBundleIdentifier</key>
<string>${MACOSX_BUNDLE_GUI_IDENTIFIER}</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleLongVersionString</key>
<string>${MACOSX_BUNDLE_LONG_VERSION_STRING}</string>
<key>CFBundleName</key>
<string>${MACOSX_BUNDLE_BUNDLE_NAME}</string>
<key>CFBundlePackageType</key>
<string>APPL</string>
<key>CFBundleShortVersionString</key>
<string>${MACOSX_BUNDLE_SHORT_VERSION_STRING}</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>${MACOSX_BUNDLE_BUNDLE_VERSION}</string>
<key>CSResourcesFileMapped</key>
<true/>
<key>LSRequiresCarbon</key>
<true/>
<key>NSHumanReadableCopyright</key>
<string>${MACOSX_BUNDLE_COPYRIGHT}</string>
<key>NSHighResolutionCapable</key>
<true/>
</dict>
</plist>

13
CMake/amd64-mingw32msvc.cmake Normal file
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@ -0,0 +1,13 @@
# Define the environment for cross compiling from Linux to Win64
SET(CMAKE_SYSTEM_NAME Windows)
SET(CMAKE_SYSTEM_VERSION 1)
SET(CMAKE_C_COMPILER "amd64-mingw32msvc-gcc")
SET(CMAKE_CXX_COMPILER "amd64-mingw32msvc-g++")
SET(CMAKE_RC_COMPILER "amd64-mingw32msvc-windres")
SET(CMAKE_RANLIB "amd64-mingw32msvc-ranlib")
# Configure the behaviour of the find commands
SET(CMAKE_FIND_ROOT_PATH "/usr/amd64-mingw32msvc")
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

13
CMake/glfw3.pc.in
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@ -1,13 +0,0 @@
prefix=@CMAKE_INSTALL_PREFIX@
exec_prefix=${prefix}
includedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@
libdir=@CMAKE_INSTALL_FULL_LIBDIR@
Name: GLFW
Description: A multi-platform library for OpenGL, window and input
Version: @GLFW_VERSION@
URL: https://www.glfw.org/
Requires.private: @GLFW_PKG_CONFIG_REQUIRES_PRIVATE@
Libs: -L${libdir} -l@GLFW_LIB_NAME@@GLFW_LIB_NAME_SUFFIX@
Libs.private: @GLFW_PKG_CONFIG_LIBS_PRIVATE@
Cflags: -I${includedir}

3
CMake/glfw3Config.cmake.in
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@ -1,3 +0,0 @@
include(CMakeFindDependencyMacro)
find_dependency(Threads)
include("${CMAKE_CURRENT_LIST_DIR}/glfw3Targets.cmake")

13
CMake/i586-mingw32msvc.cmake Normal file
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@ -0,0 +1,13 @@
# Define the environment for cross compiling from Linux to Win32
SET(CMAKE_SYSTEM_NAME Windows)
SET(CMAKE_SYSTEM_VERSION 1)
SET(CMAKE_C_COMPILER "i586-mingw32msvc-gcc")
SET(CMAKE_CXX_COMPILER "i586-mingw32msvc-g++")
SET(CMAKE_RC_COMPILER "i586-mingw32msvc-windres")
SET(CMAKE_RANLIB "i586-mingw32msvc-ranlib")
# Configure the behaviour of the find commands
SET(CMAKE_FIND_ROOT_PATH "/usr/i586-mingw32msvc")
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

13
CMake/i686-pc-mingw32.cmake Normal file
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@ -0,0 +1,13 @@
# Define the environment for cross compiling from Linux to Win32
SET(CMAKE_SYSTEM_NAME Windows) # Target system name
SET(CMAKE_SYSTEM_VERSION 1)
SET(CMAKE_C_COMPILER "i686-pc-mingw32-gcc")
SET(CMAKE_CXX_COMPILER "i686-pc-mingw32-g++")
SET(CMAKE_RC_COMPILER "i686-pc-mingw32-windres")
SET(CMAKE_RANLIB "i686-pc-mingw32-ranlib")
#Configure the behaviour of the find commands
SET(CMAKE_FIND_ROOT_PATH "/opt/mingw/usr/i686-pc-mingw32")
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

13
CMake/i686-w64-mingw32-clang.cmake
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@ -1,13 +0,0 @@
# Define the environment for cross-compiling with 32-bit MinGW-w64 Clang
SET(CMAKE_SYSTEM_NAME Windows) # Target system name
SET(CMAKE_SYSTEM_VERSION 1)
SET(CMAKE_C_COMPILER "i686-w64-mingw32-clang")
SET(CMAKE_CXX_COMPILER "i686-w64-mingw32-clang++")
SET(CMAKE_RC_COMPILER "i686-w64-mingw32-windres")
SET(CMAKE_RANLIB "i686-w64-mingw32-ranlib")
# Configure the behaviour of the find commands
SET(CMAKE_FIND_ROOT_PATH "/usr/i686-w64-mingw32")
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

4
CMake/i686-w64-mingw32.cmake
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@ -1,4 +1,4 @@
# Define the environment for cross-compiling with 32-bit MinGW-w64 GCC
# Define the environment for cross compiling from Linux to Win32
SET(CMAKE_SYSTEM_NAME Windows) # Target system name
SET(CMAKE_SYSTEM_VERSION 1)
SET(CMAKE_C_COMPILER "i686-w64-mingw32-gcc")
@ -6,7 +6,7 @@ SET(CMAKE_CXX_COMPILER "i686-w64-mingw32-g++")
SET(CMAKE_RC_COMPILER "i686-w64-mingw32-windres")
SET(CMAKE_RANLIB "i686-w64-mingw32-ranlib")
# Configure the behaviour of the find commands
# Configure the behaviour of the find commands
SET(CMAKE_FIND_ROOT_PATH "/usr/i686-w64-mingw32")
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)

16
CMake/modules/FindEGL.cmake Normal file
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@ -0,0 +1,16 @@
# Find EGL
#
# EGL_INCLUDE_DIR
# EGL_LIBRARY
# EGL_FOUND
find_path(EGL_INCLUDE_DIR NAMES EGL/egl.h)
set(EGL_NAMES ${EGL_NAMES} egl EGL)
find_library(EGL_LIBRARY NAMES ${EGL_NAMES})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(EGL DEFAULT_MSG EGL_LIBRARY EGL_INCLUDE_DIR)
mark_as_advanced(EGL_INCLUDE_DIR EGL_LIBRARY)

17
CMake/modules/FindEpollShim.cmake
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@ -1,17 +0,0 @@
# Find EpollShim
# Once done, this will define
#
# EPOLLSHIM_FOUND - System has EpollShim
# EPOLLSHIM_INCLUDE_DIRS - The EpollShim include directories
# EPOLLSHIM_LIBRARIES - The libraries needed to use EpollShim
find_path(EPOLLSHIM_INCLUDE_DIRS NAMES sys/epoll.h sys/timerfd.h HINTS /usr/local/include/libepoll-shim)
find_library(EPOLLSHIM_LIBRARIES NAMES epoll-shim libepoll-shim HINTS /usr/local/lib)
if (EPOLLSHIM_INCLUDE_DIRS AND EPOLLSHIM_LIBRARIES)
set(EPOLLSHIM_FOUND TRUE)
endif (EPOLLSHIM_INCLUDE_DIRS AND EPOLLSHIM_LIBRARIES)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(EpollShim DEFAULT_MSG EPOLLSHIM_LIBRARIES EPOLLSHIM_INCLUDE_DIRS)
mark_as_advanced(EPOLLSHIM_INCLUDE_DIRS EPOLLSHIM_LIBRARIES)

16
CMake/modules/FindGLESv1.cmake Normal file
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@ -0,0 +1,16 @@
# Find GLESv1
#
# GLESv1_INCLUDE_DIR
# GLESv1_LIBRARY
# GLESv1_FOUND
find_path(GLESv1_INCLUDE_DIR NAMES GLES/gl.h)
set(GLESv1_NAMES ${GLESv1_NAMES} GLESv1_CM)
find_library(GLESv1_LIBRARY NAMES ${GLESv1_NAMES})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GLESv1 DEFAULT_MSG GLESv1_LIBRARY GLESv1_INCLUDE_DIR)
mark_as_advanced(GLESv1_INCLUDE_DIR GLESv1_LIBRARY)

16
CMake/modules/FindGLESv2.cmake Normal file
View File

@ -0,0 +1,16 @@
# Find GLESv2
#
# GLESv2_INCLUDE_DIR
# GLESv2_LIBRARY
# GLESv2_FOUND
find_path(GLESv2_INCLUDE_DIR NAMES GLES2/gl2.h)
set(GLESv2_NAMES ${GLESv2_NAMES} GLESv2)
find_library(GLESv2_LIBRARY NAMES ${GLESv2_NAMES})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GLESv2 DEFAULT_MSG GLESv2_LIBRARY GLESv2_INCLUDE_DIR)
mark_as_advanced(GLESv2_INCLUDE_DIR GLESv2_LIBRARY)

13
CMake/x86_64-w64-mingw32-clang.cmake
View File

@ -1,13 +0,0 @@
# Define the environment for cross-compiling with 64-bit MinGW-w64 Clang
SET(CMAKE_SYSTEM_NAME Windows) # Target system name
SET(CMAKE_SYSTEM_VERSION 1)
SET(CMAKE_C_COMPILER "x86_64-w64-mingw32-clang")
SET(CMAKE_CXX_COMPILER "x86_64-w64-mingw32-clang++")
SET(CMAKE_RC_COMPILER "x86_64-w64-mingw32-windres")
SET(CMAKE_RANLIB "x86_64-w64-mingw32-ranlib")
# Configure the behaviour of the find commands
SET(CMAKE_FIND_ROOT_PATH "/usr/x86_64-w64-mingw32")
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

4
CMake/x86_64-w64-mingw32.cmake
View File

@ -1,4 +1,4 @@
# Define the environment for cross-compiling with 64-bit MinGW-w64 GCC
# Define the environment for cross compiling from Linux to Win32
SET(CMAKE_SYSTEM_NAME Windows) # Target system name
SET(CMAKE_SYSTEM_VERSION 1)
SET(CMAKE_C_COMPILER "x86_64-w64-mingw32-gcc")
@ -6,7 +6,7 @@ SET(CMAKE_CXX_COMPILER "x86_64-w64-mingw32-g++")
SET(CMAKE_RC_COMPILER "x86_64-w64-mingw32-windres")
SET(CMAKE_RANLIB "x86_64-w64-mingw32-ranlib")
# Configure the behaviour of the find commands
# Configure the behaviour of the find commands
SET(CMAKE_FIND_ROOT_PATH "/usr/x86_64-w64-mingw32")
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)

443
CMakeLists.txt
View File

@ -1,95 +1,391 @@
cmake_minimum_required(VERSION 3.16...3.28 FATAL_ERROR)
project(GLFW C)
project(GLFW VERSION 3.5.0 LANGUAGES C HOMEPAGE_URL "https://www.glfw.org/")
cmake_minimum_required(VERSION 2.8)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
string(COMPARE EQUAL "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_SOURCE_DIR}" GLFW_STANDALONE)
set(GLFW_VERSION_MAJOR "3")
set(GLFW_VERSION_MINOR "0")
set(GLFW_VERSION_PATCH "2")
set(GLFW_VERSION_EXTRA "")
set(GLFW_VERSION "${GLFW_VERSION_MAJOR}.${GLFW_VERSION_MINOR}")
set(GLFW_VERSION_FULL "${GLFW_VERSION}.${GLFW_VERSION_PATCH}${GLFW_VERSION_EXTRA}")
set(LIB_SUFFIX "" CACHE STRING "Takes an empty string or 64. Directory where lib will be installed: lib or lib64")
option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ${GLFW_STANDALONE})
option(GLFW_BUILD_TESTS "Build the GLFW test programs" ${GLFW_STANDALONE})
option(GLFW_BUILD_DOCS "Build the GLFW documentation" ON)
option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ON)
option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON)
option(GLFW_INSTALL "Generate installation target" ON)
option(GLFW_DOCUMENT_INTERNALS "Include internals in documentation" OFF)
include(GNUInstallDirs)
include(CMakeDependentOption)
if (GLFW_USE_OSMESA)
message(FATAL_ERROR "GLFW_USE_OSMESA has been removed; set the GLFW_PLATFORM init hint")
if (WIN32)
option(GLFW_USE_DWM_SWAP_INTERVAL "Set swap interval even when DWM compositing is enabled" OFF)
option(GLFW_USE_OPTIMUS_HPG "Force use of high-performance GPU on Optimus systems" OFF)
endif()
if (DEFINED GLFW_USE_WAYLAND AND UNIX AND NOT APPLE)
message(FATAL_ERROR
"GLFW_USE_WAYLAND has been removed; delete the CMake cache and set GLFW_BUILD_WAYLAND and GLFW_BUILD_X11 instead")
if (APPLE)
option(GLFW_BUILD_UNIVERSAL "Build GLFW as a Universal Binary" OFF)
option(GLFW_USE_CHDIR "Make glfwInit chdir to Contents/Resources" ON)
option(GLFW_USE_MENUBAR "Populate the menu bar on first window creation" ON)
else()
option(GLFW_USE_EGL "Use EGL for context creation" OFF)
endif()
cmake_dependent_option(GLFW_BUILD_WIN32 "Build support for Win32" ON "WIN32" OFF)
cmake_dependent_option(GLFW_BUILD_COCOA "Build support for Cocoa" ON "APPLE" OFF)
cmake_dependent_option(GLFW_BUILD_X11 "Build support for X11" ON "UNIX;NOT APPLE" OFF)
cmake_dependent_option(GLFW_BUILD_WAYLAND "Build support for Wayland" ON "UNIX;NOT APPLE" OFF)
if (MSVC)
option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON)
endif()
cmake_dependent_option(GLFW_USE_HYBRID_HPG "Force use of high-performance GPU on hybrid systems" OFF
"WIN32" OFF)
cmake_dependent_option(USE_MSVC_RUNTIME_LIBRARY_DLL "Use MSVC runtime library DLL" ON
"MSVC" OFF)
if (BUILD_SHARED_LIBS)
set(_GLFW_BUILD_DLL 1)
endif()
set(GLFW_LIBRARY_TYPE "${GLFW_LIBRARY_TYPE}" CACHE STRING
"Library type override for GLFW (SHARED, STATIC, OBJECT, or empty to follow BUILD_SHARED_LIBS)")
if (GLFW_USE_EGL)
set(GLFW_CLIENT_LIBRARY "opengl" CACHE STRING
"The client library to use; one of opengl, glesv1 or glesv2")
if (GLFW_LIBRARY_TYPE)
if (GLFW_LIBRARY_TYPE STREQUAL "SHARED")
set(GLFW_BUILD_SHARED_LIBRARY TRUE)
if (${GLFW_CLIENT_LIBRARY} STREQUAL "opengl")
set(_GLFW_USE_OPENGL 1)
elseif (${GLFW_CLIENT_LIBRARY} STREQUAL "glesv1")
set(_GLFW_USE_GLESV1 1)
elseif (${GLFW_CLIENT_LIBRARY} STREQUAL "glesv2")
set(_GLFW_USE_GLESV2 1)
else()
set(GLFW_BUILD_SHARED_LIBRARY FALSE)
message(FATAL_ERROR "Unsupported client library")
endif()
set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/CMake/modules)
find_package(EGL REQUIRED)
if (NOT _GLFW_USE_OPENGL)
set(GLFW_BUILD_EXAMPLES OFF)
set(GLFW_BUILD_TESTS OFF)
message(STATUS "NOTE: Examples and tests require OpenGL")
endif()
else()
set(GLFW_BUILD_SHARED_LIBRARY ${BUILD_SHARED_LIBS})
set(_GLFW_USE_OPENGL 1)
endif()
list(APPEND CMAKE_MODULE_PATH "${GLFW_SOURCE_DIR}/CMake/modules")
if (_GLFW_USE_OPENGL)
find_package(OpenGL REQUIRED)
elseif (_GLFW_USE_GLESV1)
find_package(GLESv1 REQUIRED)
elseif (_GLFW_USE_GLESV2)
find_package(GLESv2 REQUIRED)
endif()
find_package(Threads REQUIRED)
#--------------------------------------------------------------------
# Report backend selection
#--------------------------------------------------------------------
if (GLFW_BUILD_WIN32)
message(STATUS "Including Win32 support")
endif()
if (GLFW_BUILD_COCOA)
message(STATUS "Including Cocoa support")
endif()
if (GLFW_BUILD_WAYLAND)
message(STATUS "Including Wayland support")
endif()
if (GLFW_BUILD_X11)
message(STATUS "Including X11 support")
set(DOXYGEN_SKIP_DOT TRUE)
find_package(Doxygen)
if (GLFW_DOCUMENT_INTERNALS)
set(GLFW_INTERNAL_DOCS "${GLFW_SOURCE_DIR}/src/internal.h ${GLFW_SOURCE_DIR}/docs/internal.dox")
endif()
#--------------------------------------------------------------------
# Apply Microsoft C runtime library option
# This is here because it also applies to tests and examples
# Set compiler specific flags
#--------------------------------------------------------------------
if (MSVC AND NOT USE_MSVC_RUNTIME_LIBRARY_DLL)
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
if (UNIX)
add_definitions(-Wall)
if (BUILD_SHARED_LIBS)
add_definitions(-fvisibility=hidden)
endif()
endif()
if (MSVC)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
if (NOT USE_MSVC_RUNTIME_LIBRARY_DLL)
foreach (flag CMAKE_C_FLAGS
CMAKE_C_FLAGS_DEBUG
CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL
CMAKE_C_FLAGS_RELWITHDEBINFO)
if (${flag} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${flag} "${${flag}}")
endif()
if (${flag} MATCHES "/MDd")
string(REGEX REPLACE "/MDd" "/MTd" ${flag} "${${flag}}")
endif()
endforeach()
endif()
endif()
#--------------------------------------------------------------------
# Detect and select backend APIs
#--------------------------------------------------------------------
if (WIN32)
set(_GLFW_WIN32 1)
message(STATUS "Using Win32 for window creation")
if (GLFW_USE_EGL)
set(_GLFW_EGL 1)
message(STATUS "Using EGL for context creation")
else()
set(_GLFW_WGL 1)
message(STATUS "Using WGL for context creation")
endif()
elseif (APPLE)
set(_GLFW_COCOA 1)
message(STATUS "Using Cocoa for window creation")
set(_GLFW_NSGL 1)
message(STATUS "Using NSGL for context creation")
elseif (UNIX)
set(_GLFW_X11 1)
message(STATUS "Using X11 for window creation")
if (GLFW_USE_EGL)
set(_GLFW_EGL 1)
message(STATUS "Using EGL for context creation")
else()
set(_GLFW_GLX 1)
message(STATUS "Using GLX for context creation")
endif()
else()
message(FATAL_ERROR "No supported platform was detected")
endif()
#--------------------------------------------------------------------
# Use Win32 for window creation
#--------------------------------------------------------------------
if (_GLFW_WIN32)
# The DLL links against winmm; the static library loads it
# That way, both code paths receive testing
if (BUILD_SHARED_LIBS)
set(_GLFW_NO_DLOAD_WINMM 1)
list(APPEND glfw_LIBRARIES winmm)
endif()
if (GLFW_USE_DWM_SWAP_INTERVAL)
set(_GLFW_USE_DWM_SWAP_INTERVAL 1)
endif()
if (GLFW_USE_OPTIMUS_HPG)
set(_GLFW_USE_OPTIMUS_HPG 1)
endif()
endif()
#--------------------------------------------------------------------
# Use WGL for context creation
#--------------------------------------------------------------------
if (_GLFW_WGL)
list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
endif()
#--------------------------------------------------------------------
# Use X11 for window creation
#--------------------------------------------------------------------
if (_GLFW_X11)
find_package(X11 REQUIRED)
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} x11")
# Set up library and include paths
list(APPEND glfw_INCLUDE_DIRS ${X11_X11_INCLUDE_PATH})
list(APPEND glfw_LIBRARIES ${X11_X11_LIB} ${CMAKE_THREAD_LIBS_INIT})
if (UNIX AND NOT APPLE)
list(APPEND glfw_LIBRARIES ${RT_LIBRARY})
endif()
# Check for XRandR (modern resolution switching and gamma control)
if (NOT X11_Xrandr_FOUND)
message(FATAL_ERROR "The RandR library and headers were not found")
endif()
list(APPEND glfw_INCLUDE_DIRS ${X11_Xrandr_INCLUDE_PATH})
list(APPEND glfw_LIBRARIES ${X11_Xrandr_LIB})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xrandr")
# Check for XInput (high-resolution cursor motion)
if (NOT X11_Xinput_FOUND)
message(FATAL_ERROR "The XInput library and headers were not found")
endif()
list(APPEND glfw_INCLUDE_DIRS ${X11_Xinput_INCLUDE_PATH})
list(APPEND glfw_LIBRARIES ${X11_Xinput_LIB})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xi")
# Check for Xf86VidMode (fallback gamma control)
if (NOT X11_xf86vmode_FOUND)
message(FATAL_ERROR "The Xf86VidMode library and headers were not found")
endif()
list(APPEND glfw_INCLUDE_DIRS ${X11_xf86vmode_INCLUDE_PATH})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} xxf86vm")
if (X11_Xxf86vm_LIB)
list(APPEND glfw_LIBRARIES ${X11_Xxf86vm_LIB})
else()
# Backwards compatibility (see CMake bug 0006976)
list(APPEND glfw_LIBRARIES Xxf86vm)
endif()
# Check for Xkb (X keyboard extension)
if (NOT X11_Xkb_FOUND)
message(FATAL_ERROR "The X keyboard extension headers were not found")
endif()
list(APPEND glfw_INCLUDE_DIR ${X11_Xkb_INCLUDE_PATH})
find_library(RT_LIBRARY rt)
mark_as_advanced(RT_LIBRARY)
if (RT_LIBRARY)
list(APPEND glfw_LIBRARIES ${RT_LIBRARY})
set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lrt")
endif()
find_library(MATH_LIBRARY m)
mark_as_advanced(MATH_LIBRARY)
if (MATH_LIBRARY)
list(APPEND glfw_LIBRARIES ${MATH_LIBRARY})
set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lm")
endif()
endif()
#--------------------------------------------------------------------
# Use GLX for context creation
#--------------------------------------------------------------------
if (_GLFW_GLX)
list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} gl")
include(CheckFunctionExists)
set(CMAKE_REQUIRED_LIBRARIES ${OPENGL_gl_LIBRARY})
check_function_exists(glXGetProcAddress _GLFW_HAS_GLXGETPROCADDRESS)
check_function_exists(glXGetProcAddressARB _GLFW_HAS_GLXGETPROCADDRESSARB)
check_function_exists(glXGetProcAddressEXT _GLFW_HAS_GLXGETPROCADDRESSEXT)
if (NOT _GLFW_HAS_GLXGETPROCADDRESS AND
NOT _GLFW_HAS_GLXGETPROCADDRESSARB AND
NOT _GLFW_HAS_GLXGETPROCADDRESSEXT)
message(WARNING "No glXGetProcAddressXXX variant found")
# Check for dlopen support as a fallback
find_library(DL_LIBRARY dl)
mark_as_advanced(DL_LIBRARY)
if (DL_LIBRARY)
set(CMAKE_REQUIRED_LIBRARIES ${DL_LIBRARY})
else()
set(CMAKE_REQUIRED_LIBRARIES "")
endif()
check_function_exists(dlopen _GLFW_HAS_DLOPEN)
if (NOT _GLFW_HAS_DLOPEN)
message(FATAL_ERROR "No entry point retrieval mechanism found")
endif()
if (DL_LIBRARY)
list(APPEND glfw_LIBRARIES ${DL_LIBRARY})
set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -ldl")
endif()
endif()
endif()
#--------------------------------------------------------------------
# Use EGL for context creation
#--------------------------------------------------------------------
if (_GLFW_EGL)
list(APPEND glfw_INCLUDE_DIRS ${EGL_INCLUDE_DIR})
list(APPEND glfw_LIBRARIES ${EGL_LIBRARY})
if (UNIX)
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} egl")
endif()
if (_GLFW_USE_OPENGL)
list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
list(APPEND glfw_INCLUDE_DIRS ${OPENGL_INCLUDE_DIR})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} gl")
elseif (_GLFW_USE_GLESV1)
list(APPEND glfw_LIBRARIES ${GLESv1_LIBRARY})
list(APPEND glfw_INCLUDE_DIRS ${GLESv1_INCLUDE_DIR})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} glesv1_cm")
elseif (_GLFW_USE_GLESV2)
list(APPEND glfw_LIBRARIES ${GLESv2_LIBRARY})
list(APPEND glfw_INCLUDE_DIRS ${GLESv2_INCLUDE_DIR})
set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} glesv2")
endif()
endif()
#--------------------------------------------------------------------
# Use Cocoa for window creation and NSOpenGL for context creation
#--------------------------------------------------------------------
if (_GLFW_COCOA AND _GLFW_NSGL)
if (GLFW_USE_MENUBAR)
set(_GLFW_USE_MENUBAR 1)
endif()
if (GLFW_USE_CHDIR)
set(_GLFW_USE_CHDIR 1)
endif()
if (GLFW_BUILD_UNIVERSAL)
message(STATUS "Building GLFW as Universal Binaries")
set(CMAKE_OSX_ARCHITECTURES i386;x86_64)
else()
message(STATUS "Building GLFW only for the native architecture")
endif()
# Set up library and include paths
find_library(COCOA_FRAMEWORK Cocoa)
find_library(IOKIT_FRAMEWORK IOKit)
find_library(CORE_FOUNDATION_FRAMEWORK CoreFoundation)
list(APPEND glfw_LIBRARIES ${COCOA_FRAMEWORK}
${OPENGL_gl_LIBRARY}
${IOKIT_FRAMEWORK}
${CORE_FOUNDATION_FRAMEWORK})
set(GLFW_PKG_DEPS "")
set(GLFW_PKG_LIBS "-framework Cocoa -framework OpenGL -framework IOKit -framework CoreFoundation")
endif()
#--------------------------------------------------------------------
# Export GLFW library dependencies
#--------------------------------------------------------------------
set(GLFW_LIBRARIES ${glfw_LIBRARIES} CACHE STRING "Dependencies of GLFW")
#--------------------------------------------------------------------
# Choose library output name
#--------------------------------------------------------------------
if (BUILD_SHARED_LIBS AND UNIX)
# On Unix-like systems, shared libraries can use the soname system.
set(GLFW_LIB_NAME glfw)
else()
set(GLFW_LIB_NAME glfw3)
endif()
#--------------------------------------------------------------------
# Create generated files
#--------------------------------------------------------------------
include(CMakePackageConfigHelpers)
configure_file(${GLFW_SOURCE_DIR}/docs/Doxyfile.in
${GLFW_BINARY_DIR}/docs/Doxyfile @ONLY)
set(GLFW_CONFIG_PATH "${CMAKE_INSTALL_LIBDIR}/cmake/glfw3")
configure_file(${GLFW_SOURCE_DIR}/src/config.h.in
${GLFW_BINARY_DIR}/src/config.h @ONLY)
configure_package_config_file(CMake/glfw3Config.cmake.in
src/glfw3Config.cmake
INSTALL_DESTINATION "${GLFW_CONFIG_PATH}"
NO_CHECK_REQUIRED_COMPONENTS_MACRO)
configure_file(${GLFW_SOURCE_DIR}/src/glfwConfig.cmake.in
${GLFW_BINARY_DIR}/src/glfwConfig.cmake @ONLY)
write_basic_package_version_file(src/glfw3ConfigVersion.cmake
VERSION ${GLFW_VERSION}
COMPATIBILITY SameMajorVersion)
configure_file(${GLFW_SOURCE_DIR}/src/glfwConfigVersion.cmake.in
${GLFW_BINARY_DIR}/src/glfwConfigVersion.cmake @ONLY)
if (UNIX)
configure_file(${GLFW_SOURCE_DIR}/src/glfw3.pc.in
${GLFW_BINARY_DIR}/src/glfw3.pc @ONLY)
endif()
#--------------------------------------------------------------------
# Add subdirectories
@ -104,7 +400,7 @@ if (GLFW_BUILD_TESTS)
add_subdirectory(tests)
endif()
if (GLFW_BUILD_DOCS)
if (DOXYGEN_FOUND)
add_subdirectory(docs)
endif()
@ -113,28 +409,27 @@ endif()
# The library is installed by src/CMakeLists.txt
#--------------------------------------------------------------------
if (GLFW_INSTALL)
install(DIRECTORY include/GLFW DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
install(DIRECTORY include/GLFW DESTINATION include
FILES_MATCHING PATTERN glfw3.h PATTERN glfw3native.h)
install(FILES "${GLFW_BINARY_DIR}/src/glfw3Config.cmake"
"${GLFW_BINARY_DIR}/src/glfw3ConfigVersion.cmake"
DESTINATION "${GLFW_CONFIG_PATH}")
install(FILES ${GLFW_BINARY_DIR}/src/glfwConfig.cmake
${GLFW_BINARY_DIR}/src/glfwConfigVersion.cmake
DESTINATION lib${LIB_SUFFIX}/cmake/glfw)
install(EXPORT glfwTargets FILE glfw3Targets.cmake
EXPORT_LINK_INTERFACE_LIBRARIES
DESTINATION "${GLFW_CONFIG_PATH}")
install(FILES "${GLFW_BINARY_DIR}/src/glfw3.pc"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
if (UNIX)
install(EXPORT glfwTargets DESTINATION lib${LIB_SUFFIX}/cmake/glfw)
install(FILES ${GLFW_BINARY_DIR}/src/glfw3.pc
DESTINATION lib${LIB_SUFFIX}/pkgconfig)
endif()
# Only generate this target if no higher-level project already has
if (NOT TARGET uninstall)
configure_file(CMake/cmake_uninstall.cmake.in
cmake_uninstall.cmake IMMEDIATE @ONLY)
configure_file(${GLFW_SOURCE_DIR}/cmake_uninstall.cmake.in
${GLFW_BINARY_DIR}/cmake_uninstall.cmake IMMEDIATE @ONLY)
add_custom_target(uninstall
"${CMAKE_COMMAND}" -P
"${GLFW_BINARY_DIR}/cmake_uninstall.cmake")
set_target_properties(uninstall PROPERTIES FOLDER "GLFW3")
${CMAKE_COMMAND} -P
${GLFW_BINARY_DIR}/cmake_uninstall.cmake)
endif()
endif()

300
CONTRIBUTORS.md
View File

@ -1,300 +0,0 @@
# Acknowledgements
GLFW exists because people around the world donated their time and lent their
skills. This list only includes contributions to the main repository and
excludes other invaluable contributions like language bindings and text and
video tutorials.
- Bobyshev Alexander
- Laurent Aphecetche
- Matt Arsenault
- Takuro Ashie
- ashishgamedev
- David Avedissian
- Luca Bacci
- Keith Bauer
- John Bartholomew
- Coşku Baş
- Bayemite
- Niklas Behrens
- Andrew Belt
- Nevyn Bengtsson
- Niklas Bergström
- Denis Bernard
- BiBi
- Doug Binks
- blanco
- Waris Boonyasiriwat
- Kyle Brenneman
- Rok Breulj
- TheBrokenRail
- Kai Burjack
- Martin Capitanio
- Nicolas Caramelli
- David Carlier
- Arturo Castro
- Jose Luis Cercós Pita
- Chi-kwan Chan
- Victor Chernyakin
- TheChocolateOre
- Ali Chraghi
- Joseph Chua
- Ian Clarkson
- Michał Cichoń
- Lambert Clara
- Anna Clarke
- Josh Codd
- Yaron Cohen-Tal
- Omar Cornut
- Andrew Corrigan
- Bailey Cosier
- Noel Cower
- James Cowgill
- CuriouserThing
- Bill Currie
- Jason Daly
- danhambleton
- Jarrod Davis
- Olivier Delannoy
- Paul R. Deppe
- Michael Dickens
- Роман Донченко
- Mario Dorn
- Wolfgang Draxinger
- Jonathan Dummer
- Ralph Eastwood
- Fredrik Ehnbom
- Robin Eklind
- Jan Ekström
- Siavash Eliasi
- er-azh
- Ahmad Fatoum
- Nikita Fediuchin
- Felipe Ferreira
- Michael Fogleman
- forworldm
- Jason Francis
- Gerald Franz
- Mário Freitas
- GeO4d
- Marcus Geelnard
- Gegy
- ghuser404
- Charles Giessen
- Ryan C. Gordon
- Stephen Gowen
- Kovid Goyal
- Kevin Grandemange
- Eloi Marín Gratacós
- Grzesiek11
- Stefan Gustavson
- Andrew Gutekanst
- Stephen Gutekanst
- Jonathan Hale
- Daniel Hauser
- hdf89shfdfs
- Moritz Heinemann
- Sylvain Hellegouarch
- Björn Hempel
- Matthew Henry
- heromyth
- Lucas Hinderberger
- Paul Holden
- Hajime Hoshi
- Warren Hu
- Charles Huber
- Brent Huisman
- Florian Hülsmann
- illustris
- InKryption
- IntellectualKitty
- Aaron Jacobs
- JannikGM
- Erik S. V. Jansson
- jjYBdx4IL
- Peter Johnson
- Toni Jovanoski
- Arseny Kapoulkine
- Cem Karan
- Osman Keskin
- Koray Kilinc
- Josh Kilmer
- Byunghoon Kim
- Cameron King
- Peter Knut
- Christoph Kubisch
- Yuri Kunde Schlesner
- Rokas Kupstys
- Konstantin Käfer
- Eric Larson
- Guillaume Lebrun
- Francis Lecavalier
- Jong Won Lee
- Robin Leffmann
- Glenn Lewis
- Shane Liesegang
- Anders Lindqvist
- Leon Linhart
- Marco Lizza
- lo-v-ol
- Eyal Lotem
- Aaron Loucks
- Ned Loynd
- Luflosi
- lukect
- Tristam MacDonald
- Jean-Luc Mackail
- Hans Mackowiak
- Ramiro Magno
- Дмитри Малышев
- Zbigniew Mandziejewicz
- Adam Marcus
- Célestin Marot
- Kyle McDonald
- David V. McKay
- David Medlock
- Bryce Mehring
- Jonathan Mercier
- Marcel Metz
- Liam Middlebrook
- mightgoyardstill
- Ave Milia
- Icyllis Milica
- Jonathan Miller
- Kenneth Miller
- Bruce Mitchener
- Jack Moffitt
- Ravi Mohan
- Jeff Molofee
- Alexander Monakov
- Pierre Morel
- Jon Morton
- Pierre Moulon
- Martins Mozeiko
- Pascal Muetschard
- James Murphy
- Julian Møller
- Julius Häger
- Nat!
- NateIsStalling
- ndogxj
- F. Nedelec
- n3rdopolis
- Kristian Nielsen
- Joel Niemelä
- Victor Nova
- Kamil Nowakowski
- onox
- Denis Ovod
- Ozzy
- Andri Pálsson
- luz paz
- Peoro
- Braden Pellett
- Christopher Pelloux
- Michael Pennington
- Arturo J. Pérez
- Vladimir Perminov
- Olivier Perret
- Anthony Pesch
- Orson Peters
- Emmanuel Gil Peyrot
- Cyril Pichard
- Pilzschaf
- Keith Pitt
- Stanislav Podgorskiy
- Konstantin Podsvirov
- Nathan Poirier
- Pokechu22
- Alexandre Pretyman
- Pablo Prietz
- przemekmirek
- pthom
- Martin Pulec
- Guillaume Racicot
- Juan Ramos
- Christian Rauch
- Philip Rideout
- Eddie Ringle
- Max Risuhin
- Joe Roback
- Jorge Rodriguez
- Jari Ronkainen
- Luca Rood
- Ed Ropple
- Aleksey Rybalkin
- Mikko Rytkönen
- Riku Salminen
- Yoshinori Sano
- Brandon Schaefer
- Sebastian Schuberth
- Scr3amer
- Jan Schuerkamp
- Christian Sdunek
- Matt Sealey
- Steve Sexton
- Arkady Shapkin
- Mingjie Shen
- Ali Sherief
- Yoshiki Shibukawa
- Dmitri Shuralyov
- Joao da Silva
- Daniel Sieger
- Daljit Singh
- Michael Skec
- Daniel Skorupski
- Slemmie
- Anthony Smith
- Bradley Smith
- Cliff Smolinsky
- Patrick Snape
- Erlend Sogge Heggen
- Olivier Sohn
- Julian Squires
- Johannes Stein
- Pontus Stenetorp
- Michael Stocker
- Justin Stoecker
- Elviss Strazdins
- Paul Sultana
- Nathan Sweet
- TTK-Bandit
- Nuno Teixeira
- Jared Tiala
- Sergey Tikhomirov
- Arthur Tombs
- TronicLabs
- Ioannis Tsakpinis
- Samuli Tuomola
- Matthew Turner
- urraka
- Elias Vanderstuyft
- Stef Velzel
- Jari Vetoniemi
- Ricardo Vieira
- Nicholas Vitovitch
- Vladimír Vondruš
- Simon Voordouw
- Corentin Wallez
- Torsten Walluhn
- Patrick Walton
- Jim Wang
- Xo Wang
- Andre Weissflog
- Jay Weisskopf
- Frank Wille
- Andy Williams
- Joel Winarske
- Richard A. Wilkes
- Tatsuya Yatagawa
- Ryogo Yoshimura
- Lukas Zanner
- Andrey Zholos
- Aihui Zhu
- Santi Zupancic
- Jonas Ådahl
- Lasse Öörni
- Leonard König
- All the unmentioned and anonymous contributors in the GLFW community, for bug
reports, patches, feedback, testing and encouragement

3
LICENSE.md → COPYING.txt
View File

@ -1,6 +1,5 @@
Copyright (c) 2002-2006 Marcus Geelnard
Copyright (c) 2006-2019 Camilla Löwy
Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages

418
README.md
View File

@ -1,153 +1,335 @@
# GLFW
[![Build status](https://github.com/glfw/glfw/actions/workflows/build.yml/badge.svg)](https://github.com/glfw/glfw/actions)
[![Build status](https://ci.appveyor.com/api/projects/status/0kf0ct9831i5l6sp/branch/master?svg=true)](https://ci.appveyor.com/project/elmindreda/glfw)
## Introduction
GLFW is an Open Source, multi-platform library for OpenGL, OpenGL ES and Vulkan
GLFW is a free, Open Source, portable library for OpenGL and OpenGL ES
application development. It provides a simple, platform-independent API for
creating windows, contexts and surfaces, reading input, handling events, etc.
creating windows and contexts, reading input, handling events, etc.
GLFW natively supports Windows, macOS and Linux and other Unix-like systems. On
Linux both Wayland and X11 are supported.
GLFW is licensed under the [zlib/libpng
license](https://www.glfw.org/license.html).
You can [download](https://www.glfw.org/download.html) the latest stable release
as source or Windows binaries. Each release starting with 3.0 also has
a corresponding [annotated tag](https://github.com/glfw/glfw/releases) with
source and binary archives.
The [documentation](https://www.glfw.org/docs/latest/) is available online and is
included in all source and binary archives. See the [release
notes](https://www.glfw.org/docs/latest/news.html) for new features, caveats and
deprecations in the latest release. For more details see the [version
history](https://www.glfw.org/changelog.html).
The `master` branch is the stable integration branch and _should_ always compile
and run on all supported platforms, although details of newly added features may
change until they have been included in a release. New features and many bug
fixes live in [other branches](https://github.com/glfw/glfw/branches/all) until
they are stable enough to merge.
Version 3.0.2 is *not yet described*. As this is a patch release, there are no
API changes.
If you are new to GLFW, you may find the
[tutorial](https://www.glfw.org/docs/latest/quick.html) for GLFW 3 useful. If
you have used GLFW 2 in the past, there is a [transition
guide](https://www.glfw.org/docs/latest/moving.html) for moving to the GLFW
3 API.
GLFW exists because of the contributions of [many people](CONTRIBUTORS.md)
around the world, whether by reporting bugs, providing community support, adding
features, reviewing or testing code, debugging, proofreading docs, suggesting
features or fixing bugs.
[introductory tutorial](http://www.glfw.org/docs/latest/quick.html) for GLFW
3 useful. If you have used GLFW 2 in the past, there is a
[transition guide](http://www.glfw.org/docs/latest/moving.html) for moving to
the GLFW 3 API.
## Compiling GLFW
GLFW is written primarily in C99, with parts of macOS support being written in
Objective-C. GLFW itself requires only the headers and libraries for your OS
and window system. It does not need any additional headers for context creation
APIs (WGL, GLX, EGL, NSGL, OSMesa) or rendering APIs (OpenGL, OpenGL ES, Vulkan)
to enable support for them.
### Dependencies
GLFW supports compilation on Windows with Visual C++ 2013 and later, MinGW and
MinGW-w64, on macOS with Clang and on Linux and other Unix-like systems with GCC
and Clang. It will likely compile in other environments as well, but this is
not regularly tested.
To compile GLFW and the accompanying example programs, you will need **CMake**,
which will generate the project files or makefiles for your particular
development environment. If you are on a Unix-like system such as Linux or
FreeBSD or have a package system like Fink, MacPorts, Cygwin or Homebrew, you
can simply install its CMake package. If not, you can get installers for
Windows and OS X from the [CMake website](http://www.cmake.org/).
There are [pre-compiled binaries](https://www.glfw.org/download.html) available
for all supported compilers on Windows and macOS.
Additional dependencies are listed below.
See the [compilation guide](https://www.glfw.org/docs/latest/compile.html) for
more information about how to compile GLFW yourself.
#### Visual C++ on Windows
The Microsoft Platform SDK that is installed along with Visual C++ contains all
the necessary headers, link libraries and tools except for CMake.
#### MinGW or MinGW-w64 on Windows
These packages contain all the necessary headers, link libraries and tools
except for CMake.
#### MinGW or MinGW-w64 cross-compilation
Both Cygwin and many Linux distributions have MinGW or MinGW-w64 packages. For
example, Cygwin has the `mingw64-i686-gcc` and `mingw64-x86_64-gcc` packages
for 32- and 64-bit version of MinGW-w64, while Debian GNU/Linux and derivatives
like Ubuntu have the `mingw-w64` package for both.
GLFW has CMake toolchain files in the `CMake/` directory that allow for easy
cross-compilation of Windows binaries. To use these files you need to add a
special parameter when generating the project files or makefiles:
cmake -DCMAKE_TOOLCHAIN_FILE=<toolchain-file> .
The exact toolchain file to use depends on the prefix used by the MinGW or
MinGW-w64 binaries on your system. You can usually see this in the /usr
directory. For example, both the Debian/Ubuntu and Cygwin MinGW-w64 packages
have `/usr/x86_64-w64-mingw32` for the 64-bit compilers, so the correct
invocation would be:
cmake -DCMAKE_TOOLCHAIN_FILE=CMake/x86_64-w64-mingw32.cmake .
For more details see the article
[CMake Cross Compiling](http://www.paraview.org/Wiki/CMake_Cross_Compiling) on
the CMake wiki.
#### Xcode on OS X
Xcode contains all necessary tools except for CMake. The necessary headers and
libraries are included in the core OS frameworks. Xcode can be downloaded from
the Mac App Store.
#### Unix-like systems with X11
To compile GLFW for X11, you need to have the X11 and OpenGL header packages
installed, as well as the basic development tools like GCC and make. For
example, on Ubuntu and other distributions based on Debian GNU/Linux, you need
to install the `xorg-dev` and `libglu1-mesa-dev` packages. The former pulls in
all X.org header packages and the latter pulls in the Mesa OpenGL and GLU
packages. Note that using header files and libraries from Mesa during
compilation *will not* tie your binaries to the Mesa implementation of OpenGL.
### Generating with CMake
Once you have all necessary dependencies, it is time to generate the project
files or makefiles for your development environment. CMake needs to know two
paths for this: the path to the source directory and the target path for the
generated files and compiled binaries. If these are the same, it is called an
in-tree build, otherwise it is called an out-of-tree build.
One of several advantages of out-of-tree builds is that you can generate files
and compile for different development environments using a single source tree.
#### Using CMake from the command-line
To make an in-tree build, enter the root directory of the GLFW source tree and
run CMake. The current directory is used as target path, while the path
provided as an argument is used to find the source tree.
cd <glfw-root-dir>
cmake .
To make an out-of-tree build, make another directory, enter it and run CMake
with the (relative or absolute) path to the root of the source tree as an
argument.
cd <glfw-root-dir>
mkdir build
cd build
cmake ..
#### Using the CMake GUI
If you are using the GUI version, choose the root of the GLFW source tree as
source location and the same directory or another, empty directory as the
destination for binaries. Choose *Configure*, change any options you wish to,
*Configure* again to let the changes take effect and then *Generate*.
### CMake options
The CMake files for GLFW provide a number of options, although not all are
available on all supported platforms. Some of these are de facto standards
among CMake users and so have no `GLFW_` prefix.
If you are using the GUI version of CMake, these are listed and can be changed
from there. If you are using the command-line version, use the `ccmake` tool.
Some package systems like Ubuntu and other distributions based on Debian
GNU/Linux have this tool in a separate `cmake-curses-gui` package.
#### Shared options
`BUILD_SHARED_LIBS` determines whether GLFW is built as a static
library or as a DLL / shared library / dynamic library.
`LIB_SUFFIX` affects where the GLFW shared /dynamic library is
installed. If it is empty, it is installed to `$PREFIX/lib`. If it is set to
`64`, it is installed to `$PREFIX/lib64`.
`GLFW_BUILD_EXAMPLES` determines whether the GLFW examples are built
along with the library.
`GLFW_BUILD_TESTS` determines whether the GLFW test programs are
built along with the library.
#### OS X specific options
`GLFW_USE_CHDIR` determines whether `glfwInit` changes the current
directory of bundled applications to the `Contents/Resources` directory.
`GLFW_USE_MENUBAR` determines whether the first call to
`glfwCreateWindow` sets up a minimal menu bar.
`GLFW_BUILD_UNIVERSAL` determines whether to build Universal Binaries.
#### Windows specific options
`USE_MSVC_RUNTIME_LIBRARY_DLL` determines whether to use the DLL version or the
static library version of the Visual C++ runtime library.
`GLFW_USE_DWM_SWAP_INTERVAL` determines whether the swap interval is set even
when DWM compositing is enabled. This can lead to severe jitter and is not
usually recommended.
`GLFW_USE_OPTIMUS_HPG` determines whether to export the `NvOptimusEnablement`
symbol, which forces the use of the high-performance GPU on nVidia Optimus
systems.
#### EGL specific options
`GLFW_USE_EGL` determines whether to use EGL instead of the platform-specific
context creation API. Note that EGL is not yet provided on all supported
platforms.
`GLFW_CLIENT_LIBRARY` determines which client API library to use. If set to
`opengl` the OpenGL library is used, if set to `glesv1` for the OpenGL ES 1.x
library is used, or if set to `glesv2` the OpenGL ES 2.0 library is used. The
selected library and its header files must be present on the system for this to
work.
## Installing GLFW
A rudimentary installation target is provided for all supported platforms via
CMake.
## Using GLFW
See the [documentation](https://www.glfw.org/docs/latest/) for tutorials, guides
and the API reference.
See the [GLFW documentation](http://www.glfw.org/docs/latest/).
## Contributing to GLFW
## Changelog
See the [contribution
guide](https://github.com/glfw/glfw/blob/master/docs/CONTRIBUTING.md) for
more information.
## System requirements
GLFW supports Windows XP and later and macOS 10.11 and later. Linux and other
Unix-like systems running the X Window System are supported even without
a desktop environment or modern extensions, although some features require
a running window or clipboard manager. The OSMesa backend requires Mesa 6.3.
See the [compatibility guide](https://www.glfw.org/docs/latest/compat.html)
in the documentation for more information.
## Dependencies
GLFW itself needs only CMake 3.16 or later and the headers and libraries for your
OS and window system.
The examples and test programs depend on a number of tiny libraries. These are
located in the `deps/` directory.
- [getopt\_port](https://github.com/kimgr/getopt_port/) for examples
with command-line options
- [TinyCThread](https://github.com/tinycthread/tinycthread) for threaded
examples
- [glad2](https://github.com/Dav1dde/glad) for loading OpenGL and Vulkan
functions
- [linmath.h](https://github.com/datenwolf/linmath.h) for linear algebra in
examples
- [Nuklear](https://github.com/Immediate-Mode-UI/Nuklear) for test and example UI
- [stb\_image\_write](https://github.com/nothings/stb) for writing images to disk
The documentation is generated with [Doxygen](https://doxygen.org/) if CMake can
find that tool.
## Reporting bugs
Bugs are reported to our [issue tracker](https://github.com/glfw/glfw/issues).
Please check the [contribution
guide](https://github.com/glfw/glfw/blob/master/docs/CONTRIBUTING.md) for
information on what to include when reporting a bug.
## Changelog since 3.4
- Added `GLFW_UNLIMITED_MOUSE_BUTTONS` input mode that allows mouse buttons beyond
the limit of the mouse button tokens to be reported (#2423)
- Updated minimum CMake version to 3.16 (#2541)
- [Cocoa] Added `QuartzCore` framework as link-time dependency
- [Cocoa] Removed support for OS X 10.10 Yosemite and earlier (#2506)
- [Wayland] Bugfix: The fractional scaling related objects were not destroyed
- [Wayland] Bugfix: `glfwInit` would segfault on compositor with no seat (#2517)
- [Wayland] Bugfix: A drag entering a non-GLFW surface could cause a segfault
- [X11] Bugfix: Running without a WM could trigger an assert (#2593,#2601,#2631)
- [Null] Added Vulkan 'window' surface creation via `VK_EXT_headless_surface`
- [Null] Added EGL context creation on Mesa via `EGL_MESA_platform_surfaceless`
- [EGL] Allowed native access on Wayland with `GLFW_CONTEXT_CREATION_API` set to
`GLFW_NATIVE_CONTEXT_API` (#2518)
- Bugfix: The `-Wall` flag was not used with Clang and other GCC compatibles
- Bugfix: The default for `GLFW_ALPHA_BITS` was set to zero
- [Win32] Added `_GLFW_USE_DWM_SWAP_INTERVAL` for forcing the swap interval
to be set even when DWM compositing is enabled
- [Win32] Added support for forcing the use of the high-performance GPU
on nVidia Optimus systems
- [Win32] Bugfix: The clipboard string was not freed on terminate
- [Win32] Bugfix: Entry points for OpenGL 1.0 and 1.1 functions were not
returned by `glfwGetProcAddress`
- [Win32] Bugfix: The `user32` and `dwmapi` module handles were not freed on
library termination
- [Cocoa] Added support for precise scrolling deltas on OS X 10.7 and later
- [Cocoa] Enabled explicit creation of OpenGL 3.x and 4.x contexts as supported
by OS X 10.9
- [Cocoa] Bugfix: The clipboard string was not freed on terminate
- [Cocoa] Bugfix: Selectors were used that are not declared by the 10.6 SDK
- [Cocoa] Bugfix: The position set by `glfwSetWindowPos` was incorrect
- [X11] Bugfix: Override-redirect windows were resized to the desired instead
of the actual resolution of the selected video mode
- [X11] Bugfix: Screensaver override for full screen windows had a possible
race condition
- [X11] Bugfix: The reported window position did not account for the size of
the window frame on some WMs
- [X11] Bugfix: The original video mode of a monitor was overwritten by calls
to `glfwSetWindowSize`
- [X11] Bugfix: Key release events for `GLFW_KEY_KP_5` were discarded.
## Contact
On [glfw.org](https://www.glfw.org/) you can find the latest version of GLFW, as
well as news, documentation and other information about the project.
The official website for GLFW is [glfw.org](http://www.glfw.org/). There you
can find the latest version of GLFW, as well as news, documentation and other
information about the project.
If you have questions related to the use of GLFW, we have a
[forum](https://discourse.glfw.org/).
[support forum](https://sourceforge.net/p/glfw/discussion/247562/), and the IRC
channel `#glfw` on [Freenode](http://freenode.net/).
If you have a bug to report, a patch to submit or a feature you'd like to
request, please file it in the
[issue tracker](https://github.com/glfw/glfw/issues) on GitHub.
Finally, if you're interested in helping out with the development of GLFW or
porting it to your favorite platform, join us on the forum or GitHub.
porting it to your favorite platform, we have an occasionally active
[developer's mailing list](https://lists.stacken.kth.se/mailman/listinfo/glfw-dev),
or you could join us on `#glfw`.
## Acknowledgements
GLFW exists because people around the world donated their time and lent their
skills.
- Bobyshev Alexander
- artblanc
- arturo
- Matt Arsenault
- Keith Bauer
- John Bartholomew
- Niklas Behrens
- Niklas Bergström
- Doug Binks
- blanco
- Lambert Clara
- Noel Cower
- Jarrod Davis
- Olivier Delannoy
- Paul R. Deppe
- Jonathan Dummer
- Ralph Eastwood
- Gerald Franz
- GeO4d
- Marcus Geelnard
- Stefan Gustavson
- Sylvain Hellegouarch
- heromyth
- Paul Holden
- Toni Jovanoski
- Osman Keskin
- Cameron King
- Peter Knut
- Robin Leffmann
- Glenn Lewis
- Shane Liesegang
- Дмитри Малышев
- Martins Mozeiko
- Tristam MacDonald
- Hans Mackowiak
- Kyle McDonald
- David Medlock
- Jonathan Mercier
- Marcel Metz
- Kenneth Miller
- Bruce Mitchener
- Jeff Molofee
- Jon Morton
- Julian Møller
- Ozzy
- Peoro
- Braden Pellett
- Arturo J. Pérez
- Jorge Rodriguez
- Ed Ropple
- Riku Salminen
- Sebastian Schuberth
- Matt Sealey
- SephiRok
- Steve Sexton
- Dmitri Shuralyov
- Daniel Skorupski
- Bradley Smith
- Julian Squires
- Johannes Stein
- Justin Stoecker
- Nathan Sweet
- TTK-Bandit
- Sergey Tikhomirov
- Samuli Tuomola
- Jari Vetoniemi
- Simon Voordouw
- Torsten Walluhn
- Jay Weisskopf
- Frank Wille
- yuriks
- Santi Zupancic
- Lasse Öörni
- All the unmentioned and anonymous contributors in the GLFW community, for bug
reports, patches, feedback, testing and encouragement

6
CMake/cmake_uninstall.cmake.in → cmake_uninstall.cmake.in
View File

@ -1,9 +1,9 @@
if (NOT EXISTS "@GLFW_BINARY_DIR@/install_manifest.txt")
message(FATAL_ERROR "Cannot find install manifest: \"@GLFW_BINARY_DIR@/install_manifest.txt\"")
if (NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
message(FATAL_ERROR "Cannot find install manifest: \"@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt\"")
endif()
file(READ "@GLFW_BINARY_DIR@/install_manifest.txt" files)
file(READ "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt" files)
string(REGEX REPLACE "\n" ";" files "${files}")
foreach (file ${files})

565
deps/EGL/eglext.h vendored Normal file
View File

@ -0,0 +1,565 @@
#ifndef __eglext_h_
#define __eglext_h_
#ifdef __cplusplus
extern "C" {
#endif
/*
** Copyright (c) 2007-2013 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
#include <EGL/eglplatform.h>
/*************************************************************/
/* Header file version number */
/* Current version at http://www.khronos.org/registry/egl/ */
/* $Revision: 20690 $ on $Date: 2013-02-22 17:15:05 -0800 (Fri, 22 Feb 2013) $ */
#define EGL_EGLEXT_VERSION 15
#ifndef EGL_KHR_config_attribs
#define EGL_KHR_config_attribs 1
#define EGL_CONFORMANT_KHR 0x3042 /* EGLConfig attribute */
#define EGL_VG_COLORSPACE_LINEAR_BIT_KHR 0x0020 /* EGL_SURFACE_TYPE bitfield */
#define EGL_VG_ALPHA_FORMAT_PRE_BIT_KHR 0x0040 /* EGL_SURFACE_TYPE bitfield */
#endif
#ifndef EGL_KHR_lock_surface
#define EGL_KHR_lock_surface 1
#define EGL_READ_SURFACE_BIT_KHR 0x0001 /* EGL_LOCK_USAGE_HINT_KHR bitfield */
#define EGL_WRITE_SURFACE_BIT_KHR 0x0002 /* EGL_LOCK_USAGE_HINT_KHR bitfield */
#define EGL_LOCK_SURFACE_BIT_KHR 0x0080 /* EGL_SURFACE_TYPE bitfield */
#define EGL_OPTIMAL_FORMAT_BIT_KHR 0x0100 /* EGL_SURFACE_TYPE bitfield */
#define EGL_MATCH_FORMAT_KHR 0x3043 /* EGLConfig attribute */
#define EGL_FORMAT_RGB_565_EXACT_KHR 0x30C0 /* EGL_MATCH_FORMAT_KHR value */
#define EGL_FORMAT_RGB_565_KHR 0x30C1 /* EGL_MATCH_FORMAT_KHR value */
#define EGL_FORMAT_RGBA_8888_EXACT_KHR 0x30C2 /* EGL_MATCH_FORMAT_KHR value */
#define EGL_FORMAT_RGBA_8888_KHR 0x30C3 /* EGL_MATCH_FORMAT_KHR value */
#define EGL_MAP_PRESERVE_PIXELS_KHR 0x30C4 /* eglLockSurfaceKHR attribute */
#define EGL_LOCK_USAGE_HINT_KHR 0x30C5 /* eglLockSurfaceKHR attribute */
#define EGL_BITMAP_POINTER_KHR 0x30C6 /* eglQuerySurface attribute */
#define EGL_BITMAP_PITCH_KHR 0x30C7 /* eglQuerySurface attribute */
#define EGL_BITMAP_ORIGIN_KHR 0x30C8 /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_RED_OFFSET_KHR 0x30C9 /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_GREEN_OFFSET_KHR 0x30CA /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_BLUE_OFFSET_KHR 0x30CB /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_ALPHA_OFFSET_KHR 0x30CC /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_LUMINANCE_OFFSET_KHR 0x30CD /* eglQuerySurface attribute */
#define EGL_LOWER_LEFT_KHR 0x30CE /* EGL_BITMAP_ORIGIN_KHR value */
#define EGL_UPPER_LEFT_KHR 0x30CF /* EGL_BITMAP_ORIGIN_KHR value */
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglLockSurfaceKHR (EGLDisplay display, EGLSurface surface, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglUnlockSurfaceKHR (EGLDisplay display, EGLSurface surface);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLBoolean (EGLAPIENTRYP PFNEGLLOCKSURFACEKHRPROC) (EGLDisplay display, EGLSurface surface, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLUNLOCKSURFACEKHRPROC) (EGLDisplay display, EGLSurface surface);
#endif
#ifndef EGL_KHR_image
#define EGL_KHR_image 1
#define EGL_NATIVE_PIXMAP_KHR 0x30B0 /* eglCreateImageKHR target */
typedef void *EGLImageKHR;
#define EGL_NO_IMAGE_KHR ((EGLImageKHR)0)
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLImageKHR EGLAPIENTRY eglCreateImageKHR (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglDestroyImageKHR (EGLDisplay dpy, EGLImageKHR image);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEIMAGEKHRPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEKHRPROC) (EGLDisplay dpy, EGLImageKHR image);
#endif
#ifndef EGL_KHR_vg_parent_image
#define EGL_KHR_vg_parent_image 1
#define EGL_VG_PARENT_IMAGE_KHR 0x30BA /* eglCreateImageKHR target */
#endif
#ifndef EGL_KHR_gl_texture_2D_image
#define EGL_KHR_gl_texture_2D_image 1
#define EGL_GL_TEXTURE_2D_KHR 0x30B1 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_LEVEL_KHR 0x30BC /* eglCreateImageKHR attribute */
#endif
#ifndef EGL_KHR_gl_texture_cubemap_image
#define EGL_KHR_gl_texture_cubemap_image 1
#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR 0x30B3 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR 0x30B4 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR 0x30B5 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR 0x30B6 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR 0x30B7 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR 0x30B8 /* eglCreateImageKHR target */
#endif
#ifndef EGL_KHR_gl_texture_3D_image
#define EGL_KHR_gl_texture_3D_image 1
#define EGL_GL_TEXTURE_3D_KHR 0x30B2 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_ZOFFSET_KHR 0x30BD /* eglCreateImageKHR attribute */
#endif
#ifndef EGL_KHR_gl_renderbuffer_image
#define EGL_KHR_gl_renderbuffer_image 1
#define EGL_GL_RENDERBUFFER_KHR 0x30B9 /* eglCreateImageKHR target */
#endif
#if KHRONOS_SUPPORT_INT64 /* EGLTimeKHR requires 64-bit uint support */
#ifndef EGL_KHR_reusable_sync
#define EGL_KHR_reusable_sync 1
typedef void* EGLSyncKHR;
typedef khronos_utime_nanoseconds_t EGLTimeKHR;
#define EGL_SYNC_STATUS_KHR 0x30F1
#define EGL_SIGNALED_KHR 0x30F2
#define EGL_UNSIGNALED_KHR 0x30F3
#define EGL_TIMEOUT_EXPIRED_KHR 0x30F5
#define EGL_CONDITION_SATISFIED_KHR 0x30F6
#define EGL_SYNC_TYPE_KHR 0x30F7
#define EGL_SYNC_REUSABLE_KHR 0x30FA
#define EGL_SYNC_FLUSH_COMMANDS_BIT_KHR 0x0001 /* eglClientWaitSyncKHR <flags> bitfield */
#define EGL_FOREVER_KHR 0xFFFFFFFFFFFFFFFFull
#define EGL_NO_SYNC_KHR ((EGLSyncKHR)0)
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLSyncKHR EGLAPIENTRY eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync);
EGLAPI EGLint EGLAPIENTRY eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
EGLAPI EGLBoolean EGLAPIENTRY eglSignalSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode);
EGLAPI EGLBoolean EGLAPIENTRY eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLSyncKHR (EGLAPIENTRYP PFNEGLCREATESYNCKHRPROC) (EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync);
typedef EGLint (EGLAPIENTRYP PFNEGLCLIENTWAITSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSIGNALSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value);
#endif
#endif
#ifndef EGL_KHR_image_base
#define EGL_KHR_image_base 1
/* Most interfaces defined by EGL_KHR_image_pixmap above */
#define EGL_IMAGE_PRESERVED_KHR 0x30D2 /* eglCreateImageKHR attribute */
#endif
#ifndef EGL_KHR_image_pixmap
#define EGL_KHR_image_pixmap 1
/* Interfaces defined by EGL_KHR_image above */
#endif
#ifndef EGL_IMG_context_priority
#define EGL_IMG_context_priority 1
#define EGL_CONTEXT_PRIORITY_LEVEL_IMG 0x3100
#define EGL_CONTEXT_PRIORITY_HIGH_IMG 0x3101
#define EGL_CONTEXT_PRIORITY_MEDIUM_IMG 0x3102
#define EGL_CONTEXT_PRIORITY_LOW_IMG 0x3103
#endif
#ifndef EGL_KHR_lock_surface2
#define EGL_KHR_lock_surface2 1
#define EGL_BITMAP_PIXEL_SIZE_KHR 0x3110
#endif
#ifndef EGL_NV_coverage_sample
#define EGL_NV_coverage_sample 1
#define EGL_COVERAGE_BUFFERS_NV 0x30E0
#define EGL_COVERAGE_SAMPLES_NV 0x30E1
#endif
#ifndef EGL_NV_depth_nonlinear
#define EGL_NV_depth_nonlinear 1
#define EGL_DEPTH_ENCODING_NV 0x30E2
#define EGL_DEPTH_ENCODING_NONE_NV 0
#define EGL_DEPTH_ENCODING_NONLINEAR_NV 0x30E3
#endif
#if KHRONOS_SUPPORT_INT64 /* EGLTimeNV requires 64-bit uint support */
#ifndef EGL_NV_sync
#define EGL_NV_sync 1
#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE_NV 0x30E6
#define EGL_SYNC_STATUS_NV 0x30E7
#define EGL_SIGNALED_NV 0x30E8
#define EGL_UNSIGNALED_NV 0x30E9
#define EGL_SYNC_FLUSH_COMMANDS_BIT_NV 0x0001
#define EGL_FOREVER_NV 0xFFFFFFFFFFFFFFFFull
#define EGL_ALREADY_SIGNALED_NV 0x30EA
#define EGL_TIMEOUT_EXPIRED_NV 0x30EB
#define EGL_CONDITION_SATISFIED_NV 0x30EC
#define EGL_SYNC_TYPE_NV 0x30ED
#define EGL_SYNC_CONDITION_NV 0x30EE
#define EGL_SYNC_FENCE_NV 0x30EF
#define EGL_NO_SYNC_NV ((EGLSyncNV)0)
typedef void* EGLSyncNV;
typedef khronos_utime_nanoseconds_t EGLTimeNV;
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLSyncNV EGLAPIENTRY eglCreateFenceSyncNV (EGLDisplay dpy, EGLenum condition, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglDestroySyncNV (EGLSyncNV sync);
EGLAPI EGLBoolean EGLAPIENTRY eglFenceNV (EGLSyncNV sync);
EGLAPI EGLint EGLAPIENTRY eglClientWaitSyncNV (EGLSyncNV sync, EGLint flags, EGLTimeNV timeout);
EGLAPI EGLBoolean EGLAPIENTRY eglSignalSyncNV (EGLSyncNV sync, EGLenum mode);
EGLAPI EGLBoolean EGLAPIENTRY eglGetSyncAttribNV (EGLSyncNV sync, EGLint attribute, EGLint *value);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLSyncNV (EGLAPIENTRYP PFNEGLCREATEFENCESYNCNVPROC) (EGLDisplay dpy, EGLenum condition, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCNVPROC) (EGLSyncNV sync);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLFENCENVPROC) (EGLSyncNV sync);
typedef EGLint (EGLAPIENTRYP PFNEGLCLIENTWAITSYNCNVPROC) (EGLSyncNV sync, EGLint flags, EGLTimeNV timeout);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSIGNALSYNCNVPROC) (EGLSyncNV sync, EGLenum mode);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBNVPROC) (EGLSyncNV sync, EGLint attribute, EGLint *value);
#endif
#endif
#if KHRONOS_SUPPORT_INT64 /* Dependent on EGL_KHR_reusable_sync which requires 64-bit uint support */
#ifndef EGL_KHR_fence_sync
#define EGL_KHR_fence_sync 1
/* Reuses most tokens and entry points from EGL_KHR_reusable_sync */
#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR 0x30F0
#define EGL_SYNC_CONDITION_KHR 0x30F8
#define EGL_SYNC_FENCE_KHR 0x30F9
#endif
#endif
#ifndef EGL_HI_clientpixmap
#define EGL_HI_clientpixmap 1
/* Surface Attribute */
#define EGL_CLIENT_PIXMAP_POINTER_HI 0x8F74
/*
* Structure representing a client pixmap
* (pixmap's data is in client-space memory).
*/
struct EGLClientPixmapHI
{
void* pData;
EGLint iWidth;
EGLint iHeight;
EGLint iStride;
};
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLSurface EGLAPIENTRY eglCreatePixmapSurfaceHI(EGLDisplay dpy, EGLConfig config, struct EGLClientPixmapHI* pixmap);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEPIXMAPSURFACEHIPROC) (EGLDisplay dpy, EGLConfig config, struct EGLClientPixmapHI* pixmap);
#endif /* EGL_HI_clientpixmap */
#ifndef EGL_HI_colorformats
#define EGL_HI_colorformats 1
/* Config Attribute */
#define EGL_COLOR_FORMAT_HI 0x8F70
/* Color Formats */
#define EGL_COLOR_RGB_HI 0x8F71
#define EGL_COLOR_RGBA_HI 0x8F72
#define EGL_COLOR_ARGB_HI 0x8F73
#endif /* EGL_HI_colorformats */
#ifndef EGL_MESA_drm_image
#define EGL_MESA_drm_image 1
#define EGL_DRM_BUFFER_FORMAT_MESA 0x31D0 /* CreateDRMImageMESA attribute */
#define EGL_DRM_BUFFER_USE_MESA 0x31D1 /* CreateDRMImageMESA attribute */
#define EGL_DRM_BUFFER_FORMAT_ARGB32_MESA 0x31D2 /* EGL_IMAGE_FORMAT_MESA attribute value */
#define EGL_DRM_BUFFER_MESA 0x31D3 /* eglCreateImageKHR target */
#define EGL_DRM_BUFFER_STRIDE_MESA 0x31D4
#define EGL_DRM_BUFFER_USE_SCANOUT_MESA 0x00000001 /* EGL_DRM_BUFFER_USE_MESA bits */
#define EGL_DRM_BUFFER_USE_SHARE_MESA 0x00000002 /* EGL_DRM_BUFFER_USE_MESA bits */
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLImageKHR EGLAPIENTRY eglCreateDRMImageMESA (EGLDisplay dpy, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglExportDRMImageMESA (EGLDisplay dpy, EGLImageKHR image, EGLint *name, EGLint *handle, EGLint *stride);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEDRMIMAGEMESAPROC) (EGLDisplay dpy, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLEXPORTDRMIMAGEMESAPROC) (EGLDisplay dpy, EGLImageKHR image, EGLint *name, EGLint *handle, EGLint *stride);
#endif
#ifndef EGL_NV_post_sub_buffer
#define EGL_NV_post_sub_buffer 1
#define EGL_POST_SUB_BUFFER_SUPPORTED_NV 0x30BE
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglPostSubBufferNV (EGLDisplay dpy, EGLSurface surface, EGLint x, EGLint y, EGLint width, EGLint height);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLBoolean (EGLAPIENTRYP PFNEGLPOSTSUBBUFFERNVPROC) (EGLDisplay dpy, EGLSurface surface, EGLint x, EGLint y, EGLint width, EGLint height);
#endif
#ifndef EGL_ANGLE_query_surface_pointer
#define EGL_ANGLE_query_surface_pointer 1
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean eglQuerySurfacePointerANGLE(EGLDisplay dpy, EGLSurface surface, EGLint attribute, void **value);
#endif
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSURFACEPOINTERANGLEPROC) (EGLDisplay dpy, EGLSurface surface, EGLint attribute, void **value);
#endif
#ifndef EGL_ANGLE_surface_d3d_texture_2d_share_handle
#define EGL_ANGLE_surface_d3d_texture_2d_share_handle 1
#define EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE 0x3200
#endif
#ifndef EGL_NV_coverage_sample_resolve
#define EGL_NV_coverage_sample_resolve 1
#define EGL_COVERAGE_SAMPLE_RESOLVE_NV 0x3131
#define EGL_COVERAGE_SAMPLE_RESOLVE_DEFAULT_NV 0x3132
#define EGL_COVERAGE_SAMPLE_RESOLVE_NONE_NV 0x3133
#endif
#if KHRONOS_SUPPORT_INT64 /* EGLuint64NV requires 64-bit uint support */
#ifndef EGL_NV_system_time
#define EGL_NV_system_time 1
typedef khronos_utime_nanoseconds_t EGLuint64NV;
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLuint64NV EGLAPIENTRY eglGetSystemTimeFrequencyNV(void);
EGLAPI EGLuint64NV EGLAPIENTRY eglGetSystemTimeNV(void);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLuint64NV (EGLAPIENTRYP PFNEGLGETSYSTEMTIMEFREQUENCYNVPROC) (void);
typedef EGLuint64NV (EGLAPIENTRYP PFNEGLGETSYSTEMTIMENVPROC) (void);
#endif
#endif
#if KHRONOS_SUPPORT_INT64 /* EGLuint64KHR requires 64-bit uint support */
#ifndef EGL_KHR_stream
#define EGL_KHR_stream 1
typedef void* EGLStreamKHR;
typedef khronos_uint64_t EGLuint64KHR;
#define EGL_NO_STREAM_KHR ((EGLStreamKHR)0)
#define EGL_CONSUMER_LATENCY_USEC_KHR 0x3210
#define EGL_PRODUCER_FRAME_KHR 0x3212
#define EGL_CONSUMER_FRAME_KHR 0x3213
#define EGL_STREAM_STATE_KHR 0x3214
#define EGL_STREAM_STATE_CREATED_KHR 0x3215
#define EGL_STREAM_STATE_CONNECTING_KHR 0x3216
#define EGL_STREAM_STATE_EMPTY_KHR 0x3217
#define EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR 0x3218
#define EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR 0x3219
#define EGL_STREAM_STATE_DISCONNECTED_KHR 0x321A
#define EGL_BAD_STREAM_KHR 0x321B
#define EGL_BAD_STATE_KHR 0x321C
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLStreamKHR EGLAPIENTRY eglCreateStreamKHR(EGLDisplay dpy, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglDestroyStreamKHR(EGLDisplay dpy, EGLStreamKHR stream);
EGLAPI EGLBoolean EGLAPIENTRY eglStreamAttribKHR(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLint value);
EGLAPI EGLBoolean EGLAPIENTRY eglQueryStreamKHR(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLint *value);
EGLAPI EGLBoolean EGLAPIENTRY eglQueryStreamu64KHR(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLuint64KHR *value);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLStreamKHR (EGLAPIENTRYP PFNEGLCREATESTREAMKHRPROC)(EGLDisplay dpy, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSTREAMKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMATTRIBKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLint value);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSTREAMKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLint *value);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSTREAMU64KHRPROC)(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLuint64KHR *value);
#endif
#endif
#ifdef EGL_KHR_stream /* Requires KHR_stream extension */
#ifndef EGL_KHR_stream_consumer_gltexture
#define EGL_KHR_stream_consumer_gltexture 1
#define EGL_CONSUMER_ACQUIRE_TIMEOUT_USEC_KHR 0x321E
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglStreamConsumerGLTextureExternalKHR(EGLDisplay dpy, EGLStreamKHR stream);
EGLAPI EGLBoolean EGLAPIENTRY eglStreamConsumerAcquireKHR(EGLDisplay dpy, EGLStreamKHR stream);
EGLAPI EGLBoolean EGLAPIENTRY eglStreamConsumerReleaseKHR(EGLDisplay dpy, EGLStreamKHR stream);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERGLTEXTUREEXTERNALKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERACQUIREKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSTREAMCONSUMERRELEASEKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream);
#endif
#endif
#ifdef EGL_KHR_stream /* Requires KHR_stream extension */
#ifndef EGL_KHR_stream_producer_eglsurface
#define EGL_KHR_stream_producer_eglsurface 1
#define EGL_STREAM_BIT_KHR 0x0800
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLSurface EGLAPIENTRY eglCreateStreamProducerSurfaceKHR(EGLDisplay dpy, EGLConfig config, EGLStreamKHR stream, const EGLint *attrib_list);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATESTREAMPRODUCERSURFACEKHRPROC)(EGLDisplay dpy, EGLConfig config, EGLStreamKHR stream, const EGLint *attrib_list);
#endif
#endif
#ifdef EGL_KHR_stream /* Requires KHR_stream extension */
#ifndef EGL_KHR_stream_producer_aldatalocator
#define EGL_KHR_stream_producer_aldatalocator 1
#endif
#endif
#ifdef EGL_KHR_stream /* Requires KHR_stream extension */
#ifndef EGL_KHR_stream_fifo
#define EGL_KHR_stream_fifo 1
/* reuse EGLTimeKHR */
#define EGL_STREAM_FIFO_LENGTH_KHR 0x31FC
#define EGL_STREAM_TIME_NOW_KHR 0x31FD
#define EGL_STREAM_TIME_CONSUMER_KHR 0x31FE
#define EGL_STREAM_TIME_PRODUCER_KHR 0x31FF
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglQueryStreamTimeKHR(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLTimeKHR *value);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSTREAMTIMEKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream, EGLenum attribute, EGLTimeKHR *value);
#endif
#endif
#ifndef EGL_EXT_create_context_robustness
#define EGL_EXT_create_context_robustness 1
#define EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT 0x30BF
#define EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT 0x3138
#define EGL_NO_RESET_NOTIFICATION_EXT 0x31BE
#define EGL_LOSE_CONTEXT_ON_RESET_EXT 0x31BF
#endif
#ifndef EGL_ANGLE_d3d_share_handle_client_buffer
#define EGL_ANGLE_d3d_share_handle_client_buffer 1
/* reuse EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE */
#endif
#ifndef EGL_KHR_create_context
#define EGL_KHR_create_context 1
#define EGL_CONTEXT_MAJOR_VERSION_KHR EGL_CONTEXT_CLIENT_VERSION
#define EGL_CONTEXT_MINOR_VERSION_KHR 0x30FB
#define EGL_CONTEXT_FLAGS_KHR 0x30FC
#define EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR 0x30FD
#define EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR 0x31BD
#define EGL_NO_RESET_NOTIFICATION_KHR 0x31BE
#define EGL_LOSE_CONTEXT_ON_RESET_KHR 0x31BF
#define EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR 0x00000001
#define EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR 0x00000002
#define EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR 0x00000004
#define EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR 0x00000001
#define EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR 0x00000002
#define EGL_OPENGL_ES3_BIT_KHR 0x00000040
#endif
#ifndef EGL_KHR_surfaceless_context
#define EGL_KHR_surfaceless_context 1
/* No tokens/entry points, just relaxes an error condition */
#endif
#ifdef EGL_KHR_stream /* Requires KHR_stream extension */
#ifndef EGL_KHR_stream_cross_process_fd
#define EGL_KHR_stream_cross_process_fd 1
typedef int EGLNativeFileDescriptorKHR;
#define EGL_NO_FILE_DESCRIPTOR_KHR ((EGLNativeFileDescriptorKHR)(-1))
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLNativeFileDescriptorKHR EGLAPIENTRY eglGetStreamFileDescriptorKHR(EGLDisplay dpy, EGLStreamKHR stream);
EGLAPI EGLStreamKHR EGLAPIENTRY eglCreateStreamFromFileDescriptorKHR(EGLDisplay dpy, EGLNativeFileDescriptorKHR file_descriptor);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLNativeFileDescriptorKHR (EGLAPIENTRYP PFNEGLGETSTREAMFILEDESCRIPTORKHRPROC)(EGLDisplay dpy, EGLStreamKHR stream);
typedef EGLStreamKHR (EGLAPIENTRYP PFNEGLCREATESTREAMFROMFILEDESCRIPTORKHRPROC)(EGLDisplay dpy, EGLNativeFileDescriptorKHR file_descriptor);
#endif
#endif
#ifndef EGL_EXT_multiview_window
#define EGL_EXT_multiview_window 1
#define EGL_MULTIVIEW_VIEW_COUNT_EXT 0x3134
#endif
#ifndef EGL_KHR_wait_sync
#define EGL_KHR_wait_sync 1
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLint EGLAPIENTRY eglWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLint (EGLAPIENTRYP PFNEGLWAITSYNCKHRPROC)(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags);
#endif
#ifndef EGL_NV_post_convert_rounding
#define EGL_NV_post_convert_rounding 1
/* No tokens or entry points, just relaxes behavior of SwapBuffers */
#endif
#ifndef EGL_NV_native_query
#define EGL_NV_native_query 1
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglQueryNativeDisplayNV( EGLDisplay dpy, EGLNativeDisplayType* display_id);
EGLAPI EGLBoolean EGLAPIENTRY eglQueryNativeWindowNV( EGLDisplay dpy, EGLSurface surf, EGLNativeWindowType* window);
EGLAPI EGLBoolean EGLAPIENTRY eglQueryNativePixmapNV( EGLDisplay dpy, EGLSurface surf, EGLNativePixmapType* pixmap);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYNATIVEDISPLAYNVPROC)(EGLDisplay dpy, EGLNativeDisplayType *display_id);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYNATIVEWINDOWNVPROC)(EGLDisplay dpy, EGLSurface surf, EGLNativeWindowType *window);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYNATIVEPIXMAPNVPROC)(EGLDisplay dpy, EGLSurface surf, EGLNativePixmapType *pixmap);
#endif
#ifndef EGL_NV_3dvision_surface
#define EGL_NV_3dvision_surface 1
#define EGL_AUTO_STEREO_NV 0x3136
#endif
#ifndef EGL_ANDROID_framebuffer_target
#define EGL_ANDROID_framebuffer_target 1
#define EGL_FRAMEBUFFER_TARGET_ANDROID 0x3147
#endif
#ifndef EGL_ANDROID_blob_cache
#define EGL_ANDROID_blob_cache 1
typedef khronos_ssize_t EGLsizeiANDROID;
typedef void (*EGLSetBlobFuncANDROID) (const void *key, EGLsizeiANDROID keySize, const void *value, EGLsizeiANDROID valueSize);
typedef EGLsizeiANDROID (*EGLGetBlobFuncANDROID) (const void *key, EGLsizeiANDROID keySize, void *value, EGLsizeiANDROID valueSize);
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI void EGLAPIENTRY eglSetBlobCacheFuncsANDROID(EGLDisplay dpy, EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef void (EGLAPIENTRYP PFNEGLSETBLOBCACHEFUNCSANDROIDPROC)(EGLDisplay dpy, EGLSetBlobFuncANDROID set, EGLGetBlobFuncANDROID get);
#endif
#ifndef EGL_ANDROID_image_native_buffer
#define EGL_ANDROID_image_native_buffer 1
#define EGL_NATIVE_BUFFER_ANDROID 0x3140
#endif
#ifndef EGL_ANDROID_native_fence_sync
#define EGL_ANDROID_native_fence_sync 1
#define EGL_SYNC_NATIVE_FENCE_ANDROID 0x3144
#define EGL_SYNC_NATIVE_FENCE_FD_ANDROID 0x3145
#define EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID 0x3146
#define EGL_NO_NATIVE_FENCE_FD_ANDROID -1
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLint EGLAPIENTRY eglDupNativeFenceFDANDROID( EGLDisplay dpy, EGLSyncKHR);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLint (EGLAPIENTRYP PFNEGLDUPNATIVEFENCEFDANDROIDPROC)(EGLDisplay dpy, EGLSyncKHR);
#endif
#ifndef EGL_ANDROID_recordable
#define EGL_ANDROID_recordable 1
#define EGL_RECORDABLE_ANDROID 0x3142
#endif
#ifndef EGL_EXT_buffer_age
#define EGL_EXT_buffer_age 1
#define EGL_BUFFER_AGE_EXT 0x313D
#endif
#ifndef EGL_EXT_image_dma_buf_import
#define EGL_EXT_image_dma_buf_import 1
#define EGL_LINUX_DMA_BUF_EXT 0x3270
#define EGL_LINUX_DRM_FOURCC_EXT 0x3271
#define EGL_DMA_BUF_PLANE0_FD_EXT 0x3272
#define EGL_DMA_BUF_PLANE0_OFFSET_EXT 0x3273
#define EGL_DMA_BUF_PLANE0_PITCH_EXT 0x3274
#define EGL_DMA_BUF_PLANE1_FD_EXT 0x3275
#define EGL_DMA_BUF_PLANE1_OFFSET_EXT 0x3276
#define EGL_DMA_BUF_PLANE1_PITCH_EXT 0x3277
#define EGL_DMA_BUF_PLANE2_FD_EXT 0x3278
#define EGL_DMA_BUF_PLANE2_OFFSET_EXT 0x3279
#define EGL_DMA_BUF_PLANE2_PITCH_EXT 0x327A
#define EGL_YUV_COLOR_SPACE_HINT_EXT 0x327B
#define EGL_SAMPLE_RANGE_HINT_EXT 0x327C
#define EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT 0x327D
#define EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT 0x327E
#define EGL_ITU_REC601_EXT 0x327F
#define EGL_ITU_REC709_EXT 0x3280
#define EGL_ITU_REC2020_EXT 0x3281
#define EGL_YUV_FULL_RANGE_EXT 0x3282
#define EGL_YUV_NARROW_RANGE_EXT 0x3283
#define EGL_YUV_CHROMA_SITING_0_EXT 0x3284
#define EGL_YUV_CHROMA_SITING_0_5_EXT 0x3285
#endif
#ifdef __cplusplus
}
#endif
#endif /* __eglext_h_ */

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#ifndef __glxext_h_
#define __glxext_h_ 1
#ifdef __cplusplus
extern "C" {
#endif
/*
** Copyright (c) 2013 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
/*
** This header is generated from the Khronos OpenGL / OpenGL ES XML
** API Registry. The current version of the Registry, generator scripts
** used to make the header, and the header can be found at
** http://www.opengl.org/registry/
**
** Khronos $Revision$ on $Date$
*/
#define GLX_GLXEXT_VERSION 20130710
/* Generated C header for:
* API: glx
* Versions considered: .*
* Versions emitted: 1\.[3-9]
* Default extensions included: glx
* Additional extensions included: _nomatch_^
* Extensions removed: _nomatch_^
*/
#ifndef GLX_VERSION_1_3
#define GLX_VERSION_1_3 1
typedef struct __GLXFBConfigRec *GLXFBConfig;
typedef XID GLXWindow;
typedef XID GLXPbuffer;
#define GLX_WINDOW_BIT 0x00000001
#define GLX_PIXMAP_BIT 0x00000002
#define GLX_PBUFFER_BIT 0x00000004
#define GLX_RGBA_BIT 0x00000001
#define GLX_COLOR_INDEX_BIT 0x00000002
#define GLX_PBUFFER_CLOBBER_MASK 0x08000000
#define GLX_FRONT_LEFT_BUFFER_BIT 0x00000001
#define GLX_FRONT_RIGHT_BUFFER_BIT 0x00000002
#define GLX_BACK_LEFT_BUFFER_BIT 0x00000004
#define GLX_BACK_RIGHT_BUFFER_BIT 0x00000008
#define GLX_AUX_BUFFERS_BIT 0x00000010
#define GLX_DEPTH_BUFFER_BIT 0x00000020
#define GLX_STENCIL_BUFFER_BIT 0x00000040
#define GLX_ACCUM_BUFFER_BIT 0x00000080
#define GLX_CONFIG_CAVEAT 0x20
#define GLX_X_VISUAL_TYPE 0x22
#define GLX_TRANSPARENT_TYPE 0x23
#define GLX_TRANSPARENT_INDEX_VALUE 0x24
#define GLX_TRANSPARENT_RED_VALUE 0x25
#define GLX_TRANSPARENT_GREEN_VALUE 0x26
#define GLX_TRANSPARENT_BLUE_VALUE 0x27
#define GLX_TRANSPARENT_ALPHA_VALUE 0x28
#define GLX_DONT_CARE 0xFFFFFFFF
#define GLX_NONE 0x8000
#define GLX_SLOW_CONFIG 0x8001
#define GLX_TRUE_COLOR 0x8002
#define GLX_DIRECT_COLOR 0x8003
#define GLX_PSEUDO_COLOR 0x8004
#define GLX_STATIC_COLOR 0x8005
#define GLX_GRAY_SCALE 0x8006
#define GLX_STATIC_GRAY 0x8007
#define GLX_TRANSPARENT_RGB 0x8008
#define GLX_TRANSPARENT_INDEX 0x8009
#define GLX_VISUAL_ID 0x800B
#define GLX_SCREEN 0x800C
#define GLX_NON_CONFORMANT_CONFIG 0x800D
#define GLX_DRAWABLE_TYPE 0x8010
#define GLX_RENDER_TYPE 0x8011
#define GLX_X_RENDERABLE 0x8012
#define GLX_FBCONFIG_ID 0x8013
#define GLX_RGBA_TYPE 0x8014
#define GLX_COLOR_INDEX_TYPE 0x8015
#define GLX_MAX_PBUFFER_WIDTH 0x8016
#define GLX_MAX_PBUFFER_HEIGHT 0x8017
#define GLX_MAX_PBUFFER_PIXELS 0x8018
#define GLX_PRESERVED_CONTENTS 0x801B
#define GLX_LARGEST_PBUFFER 0x801C
#define GLX_WIDTH 0x801D
#define GLX_HEIGHT 0x801E
#define GLX_EVENT_MASK 0x801F
#define GLX_DAMAGED 0x8020
#define GLX_SAVED 0x8021
#define GLX_WINDOW 0x8022
#define GLX_PBUFFER 0x8023
#define GLX_PBUFFER_HEIGHT 0x8040
#define GLX_PBUFFER_WIDTH 0x8041
typedef GLXFBConfig *( *PFNGLXGETFBCONFIGSPROC) (Display *dpy, int screen, int *nelements);
typedef GLXFBConfig *( *PFNGLXCHOOSEFBCONFIGPROC) (Display *dpy, int screen, const int *attrib_list, int *nelements);
typedef int ( *PFNGLXGETFBCONFIGATTRIBPROC) (Display *dpy, GLXFBConfig config, int attribute, int *value);
typedef XVisualInfo *( *PFNGLXGETVISUALFROMFBCONFIGPROC) (Display *dpy, GLXFBConfig config);
typedef GLXWindow ( *PFNGLXCREATEWINDOWPROC) (Display *dpy, GLXFBConfig config, Window win, const int *attrib_list);
typedef void ( *PFNGLXDESTROYWINDOWPROC) (Display *dpy, GLXWindow win);
typedef GLXPixmap ( *PFNGLXCREATEPIXMAPPROC) (Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attrib_list);
typedef void ( *PFNGLXDESTROYPIXMAPPROC) (Display *dpy, GLXPixmap pixmap);
typedef GLXPbuffer ( *PFNGLXCREATEPBUFFERPROC) (Display *dpy, GLXFBConfig config, const int *attrib_list);
typedef void ( *PFNGLXDESTROYPBUFFERPROC) (Display *dpy, GLXPbuffer pbuf);
typedef void ( *PFNGLXQUERYDRAWABLEPROC) (Display *dpy, GLXDrawable draw, int attribute, unsigned int *value);
typedef GLXContext ( *PFNGLXCREATENEWCONTEXTPROC) (Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct);
typedef Bool ( *PFNGLXMAKECONTEXTCURRENTPROC) (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
typedef GLXDrawable ( *PFNGLXGETCURRENTREADDRAWABLEPROC) (void);
typedef int ( *PFNGLXQUERYCONTEXTPROC) (Display *dpy, GLXContext ctx, int attribute, int *value);
typedef void ( *PFNGLXSELECTEVENTPROC) (Display *dpy, GLXDrawable draw, unsigned long event_mask);
typedef void ( *PFNGLXGETSELECTEDEVENTPROC) (Display *dpy, GLXDrawable draw, unsigned long *event_mask);
#ifdef GLX_GLXEXT_PROTOTYPES
GLXFBConfig *glXGetFBConfigs (Display *dpy, int screen, int *nelements);
GLXFBConfig *glXChooseFBConfig (Display *dpy, int screen, const int *attrib_list, int *nelements);
int glXGetFBConfigAttrib (Display *dpy, GLXFBConfig config, int attribute, int *value);
XVisualInfo *glXGetVisualFromFBConfig (Display *dpy, GLXFBConfig config);
GLXWindow glXCreateWindow (Display *dpy, GLXFBConfig config, Window win, const int *attrib_list);
void glXDestroyWindow (Display *dpy, GLXWindow win);
GLXPixmap glXCreatePixmap (Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attrib_list);
void glXDestroyPixmap (Display *dpy, GLXPixmap pixmap);
GLXPbuffer glXCreatePbuffer (Display *dpy, GLXFBConfig config, const int *attrib_list);
void glXDestroyPbuffer (Display *dpy, GLXPbuffer pbuf);
void glXQueryDrawable (Display *dpy, GLXDrawable draw, int attribute, unsigned int *value);
GLXContext glXCreateNewContext (Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct);
Bool glXMakeContextCurrent (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
GLXDrawable glXGetCurrentReadDrawable (void);
int glXQueryContext (Display *dpy, GLXContext ctx, int attribute, int *value);
void glXSelectEvent (Display *dpy, GLXDrawable draw, unsigned long event_mask);
void glXGetSelectedEvent (Display *dpy, GLXDrawable draw, unsigned long *event_mask);
#endif
#endif /* GLX_VERSION_1_3 */
#ifndef GLX_VERSION_1_4
#define GLX_VERSION_1_4 1
typedef void ( *__GLXextFuncPtr)(void);
#define GLX_SAMPLE_BUFFERS 100000
#define GLX_SAMPLES 100001
typedef __GLXextFuncPtr ( *PFNGLXGETPROCADDRESSPROC) (const GLubyte *procName);
#ifdef GLX_GLXEXT_PROTOTYPES
__GLXextFuncPtr glXGetProcAddress (const GLubyte *procName);
#endif
#endif /* GLX_VERSION_1_4 */
#ifndef GLX_ARB_create_context
#define GLX_ARB_create_context 1
#define GLX_CONTEXT_DEBUG_BIT_ARB 0x00000001
#define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
#define GLX_CONTEXT_FLAGS_ARB 0x2094
typedef GLXContext ( *PFNGLXCREATECONTEXTATTRIBSARBPROC) (Display *dpy, GLXFBConfig config, GLXContext share_context, Bool direct, const int *attrib_list);
#ifdef GLX_GLXEXT_PROTOTYPES
GLXContext glXCreateContextAttribsARB (Display *dpy, GLXFBConfig config, GLXContext share_context, Bool direct, const int *attrib_list);
#endif
#endif /* GLX_ARB_create_context */
#ifndef GLX_ARB_create_context_profile
#define GLX_ARB_create_context_profile 1
#define GLX_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
#define GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
#define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126
#endif /* GLX_ARB_create_context_profile */
#ifndef GLX_ARB_create_context_robustness
#define GLX_ARB_create_context_robustness 1
#define GLX_CONTEXT_ROBUST_ACCESS_BIT_ARB 0x00000004
#define GLX_LOSE_CONTEXT_ON_RESET_ARB 0x8252
#define GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB 0x8256
#define GLX_NO_RESET_NOTIFICATION_ARB 0x8261
#endif /* GLX_ARB_create_context_robustness */
#ifndef GLX_ARB_fbconfig_float
#define GLX_ARB_fbconfig_float 1
#define GLX_RGBA_FLOAT_TYPE_ARB 0x20B9
#define GLX_RGBA_FLOAT_BIT_ARB 0x00000004
#endif /* GLX_ARB_fbconfig_float */
#ifndef GLX_ARB_framebuffer_sRGB
#define GLX_ARB_framebuffer_sRGB 1
#define GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20B2
#endif /* GLX_ARB_framebuffer_sRGB */
#ifndef GLX_ARB_get_proc_address
#define GLX_ARB_get_proc_address 1
typedef __GLXextFuncPtr ( *PFNGLXGETPROCADDRESSARBPROC) (const GLubyte *procName);
#ifdef GLX_GLXEXT_PROTOTYPES
__GLXextFuncPtr glXGetProcAddressARB (const GLubyte *procName);
#endif
#endif /* GLX_ARB_get_proc_address */
#ifndef GLX_ARB_multisample
#define GLX_ARB_multisample 1
#define GLX_SAMPLE_BUFFERS_ARB 100000
#define GLX_SAMPLES_ARB 100001
#endif /* GLX_ARB_multisample */
#ifndef GLX_ARB_robustness_application_isolation
#define GLX_ARB_robustness_application_isolation 1
#define GLX_CONTEXT_RESET_ISOLATION_BIT_ARB 0x00000008
#endif /* GLX_ARB_robustness_application_isolation */
#ifndef GLX_ARB_robustness_share_group_isolation
#define GLX_ARB_robustness_share_group_isolation 1
#endif /* GLX_ARB_robustness_share_group_isolation */
#ifndef GLX_ARB_vertex_buffer_object
#define GLX_ARB_vertex_buffer_object 1
#define GLX_CONTEXT_ALLOW_BUFFER_BYTE_ORDER_MISMATCH_ARB 0x2095
#endif /* GLX_ARB_vertex_buffer_object */
#ifndef GLX_3DFX_multisample
#define GLX_3DFX_multisample 1
#define GLX_SAMPLE_BUFFERS_3DFX 0x8050
#define GLX_SAMPLES_3DFX 0x8051
#endif /* GLX_3DFX_multisample */
#ifndef GLX_AMD_gpu_association
#define GLX_AMD_gpu_association 1
#define GLX_GPU_VENDOR_AMD 0x1F00
#define GLX_GPU_RENDERER_STRING_AMD 0x1F01
#define GLX_GPU_OPENGL_VERSION_STRING_AMD 0x1F02
#define GLX_GPU_FASTEST_TARGET_GPUS_AMD 0x21A2
#define GLX_GPU_RAM_AMD 0x21A3
#define GLX_GPU_CLOCK_AMD 0x21A4
#define GLX_GPU_NUM_PIPES_AMD 0x21A5
#define GLX_GPU_NUM_SIMD_AMD 0x21A6
#define GLX_GPU_NUM_RB_AMD 0x21A7
#define GLX_GPU_NUM_SPI_AMD 0x21A8
#endif /* GLX_AMD_gpu_association */
#ifndef GLX_EXT_buffer_age
#define GLX_EXT_buffer_age 1
#define GLX_BACK_BUFFER_AGE_EXT 0x20F4
#endif /* GLX_EXT_buffer_age */
#ifndef GLX_EXT_create_context_es2_profile
#define GLX_EXT_create_context_es2_profile 1
#define GLX_CONTEXT_ES2_PROFILE_BIT_EXT 0x00000004
#endif /* GLX_EXT_create_context_es2_profile */
#ifndef GLX_EXT_create_context_es_profile
#define GLX_EXT_create_context_es_profile 1
#define GLX_CONTEXT_ES_PROFILE_BIT_EXT 0x00000004
#endif /* GLX_EXT_create_context_es_profile */
#ifndef GLX_EXT_fbconfig_packed_float
#define GLX_EXT_fbconfig_packed_float 1
#define GLX_RGBA_UNSIGNED_FLOAT_TYPE_EXT 0x20B1
#define GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT 0x00000008
#endif /* GLX_EXT_fbconfig_packed_float */
#ifndef GLX_EXT_framebuffer_sRGB
#define GLX_EXT_framebuffer_sRGB 1
#define GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x20B2
#endif /* GLX_EXT_framebuffer_sRGB */
#ifndef GLX_EXT_import_context
#define GLX_EXT_import_context 1
typedef XID GLXContextID;
#define GLX_SHARE_CONTEXT_EXT 0x800A
#define GLX_VISUAL_ID_EXT 0x800B
#define GLX_SCREEN_EXT 0x800C
typedef Display *( *PFNGLXGETCURRENTDISPLAYEXTPROC) (void);
typedef int ( *PFNGLXQUERYCONTEXTINFOEXTPROC) (Display *dpy, GLXContext context, int attribute, int *value);
typedef GLXContextID ( *PFNGLXGETCONTEXTIDEXTPROC) (const GLXContext context);
typedef GLXContext ( *PFNGLXIMPORTCONTEXTEXTPROC) (Display *dpy, GLXContextID contextID);
typedef void ( *PFNGLXFREECONTEXTEXTPROC) (Display *dpy, GLXContext context);
#ifdef GLX_GLXEXT_PROTOTYPES
Display *glXGetCurrentDisplayEXT (void);
int glXQueryContextInfoEXT (Display *dpy, GLXContext context, int attribute, int *value);
GLXContextID glXGetContextIDEXT (const GLXContext context);
GLXContext glXImportContextEXT (Display *dpy, GLXContextID contextID);
void glXFreeContextEXT (Display *dpy, GLXContext context);
#endif
#endif /* GLX_EXT_import_context */
#ifndef GLX_EXT_swap_control
#define GLX_EXT_swap_control 1
#define GLX_SWAP_INTERVAL_EXT 0x20F1
#define GLX_MAX_SWAP_INTERVAL_EXT 0x20F2
typedef void ( *PFNGLXSWAPINTERVALEXTPROC) (Display *dpy, GLXDrawable drawable, int interval);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXSwapIntervalEXT (Display *dpy, GLXDrawable drawable, int interval);
#endif
#endif /* GLX_EXT_swap_control */
#ifndef GLX_EXT_swap_control_tear
#define GLX_EXT_swap_control_tear 1
#define GLX_LATE_SWAPS_TEAR_EXT 0x20F3
#endif /* GLX_EXT_swap_control_tear */
#ifndef GLX_EXT_texture_from_pixmap
#define GLX_EXT_texture_from_pixmap 1
#define GLX_TEXTURE_1D_BIT_EXT 0x00000001
#define GLX_TEXTURE_2D_BIT_EXT 0x00000002
#define GLX_TEXTURE_RECTANGLE_BIT_EXT 0x00000004
#define GLX_BIND_TO_TEXTURE_RGB_EXT 0x20D0
#define GLX_BIND_TO_TEXTURE_RGBA_EXT 0x20D1
#define GLX_BIND_TO_MIPMAP_TEXTURE_EXT 0x20D2
#define GLX_BIND_TO_TEXTURE_TARGETS_EXT 0x20D3
#define GLX_Y_INVERTED_EXT 0x20D4
#define GLX_TEXTURE_FORMAT_EXT 0x20D5
#define GLX_TEXTURE_TARGET_EXT 0x20D6
#define GLX_MIPMAP_TEXTURE_EXT 0x20D7
#define GLX_TEXTURE_FORMAT_NONE_EXT 0x20D8
#define GLX_TEXTURE_FORMAT_RGB_EXT 0x20D9
#define GLX_TEXTURE_FORMAT_RGBA_EXT 0x20DA
#define GLX_TEXTURE_1D_EXT 0x20DB
#define GLX_TEXTURE_2D_EXT 0x20DC
#define GLX_TEXTURE_RECTANGLE_EXT 0x20DD
#define GLX_FRONT_LEFT_EXT 0x20DE
#define GLX_FRONT_RIGHT_EXT 0x20DF
#define GLX_BACK_LEFT_EXT 0x20E0
#define GLX_BACK_RIGHT_EXT 0x20E1
#define GLX_FRONT_EXT 0x20DE
#define GLX_BACK_EXT 0x20E0
#define GLX_AUX0_EXT 0x20E2
#define GLX_AUX1_EXT 0x20E3
#define GLX_AUX2_EXT 0x20E4
#define GLX_AUX3_EXT 0x20E5
#define GLX_AUX4_EXT 0x20E6
#define GLX_AUX5_EXT 0x20E7
#define GLX_AUX6_EXT 0x20E8
#define GLX_AUX7_EXT 0x20E9
#define GLX_AUX8_EXT 0x20EA
#define GLX_AUX9_EXT 0x20EB
typedef void ( *PFNGLXBINDTEXIMAGEEXTPROC) (Display *dpy, GLXDrawable drawable, int buffer, const int *attrib_list);
typedef void ( *PFNGLXRELEASETEXIMAGEEXTPROC) (Display *dpy, GLXDrawable drawable, int buffer);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXBindTexImageEXT (Display *dpy, GLXDrawable drawable, int buffer, const int *attrib_list);
void glXReleaseTexImageEXT (Display *dpy, GLXDrawable drawable, int buffer);
#endif
#endif /* GLX_EXT_texture_from_pixmap */
#ifndef GLX_EXT_visual_info
#define GLX_EXT_visual_info 1
#define GLX_X_VISUAL_TYPE_EXT 0x22
#define GLX_TRANSPARENT_TYPE_EXT 0x23
#define GLX_TRANSPARENT_INDEX_VALUE_EXT 0x24
#define GLX_TRANSPARENT_RED_VALUE_EXT 0x25
#define GLX_TRANSPARENT_GREEN_VALUE_EXT 0x26
#define GLX_TRANSPARENT_BLUE_VALUE_EXT 0x27
#define GLX_TRANSPARENT_ALPHA_VALUE_EXT 0x28
#define GLX_NONE_EXT 0x8000
#define GLX_TRUE_COLOR_EXT 0x8002
#define GLX_DIRECT_COLOR_EXT 0x8003
#define GLX_PSEUDO_COLOR_EXT 0x8004
#define GLX_STATIC_COLOR_EXT 0x8005
#define GLX_GRAY_SCALE_EXT 0x8006
#define GLX_STATIC_GRAY_EXT 0x8007
#define GLX_TRANSPARENT_RGB_EXT 0x8008
#define GLX_TRANSPARENT_INDEX_EXT 0x8009
#endif /* GLX_EXT_visual_info */
#ifndef GLX_EXT_visual_rating
#define GLX_EXT_visual_rating 1
#define GLX_VISUAL_CAVEAT_EXT 0x20
#define GLX_SLOW_VISUAL_EXT 0x8001
#define GLX_NON_CONFORMANT_VISUAL_EXT 0x800D
#endif /* GLX_EXT_visual_rating */
#ifndef GLX_INTEL_swap_event
#define GLX_INTEL_swap_event 1
#define GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK 0x04000000
#define GLX_EXCHANGE_COMPLETE_INTEL 0x8180
#define GLX_COPY_COMPLETE_INTEL 0x8181
#define GLX_FLIP_COMPLETE_INTEL 0x8182
#endif /* GLX_INTEL_swap_event */
#ifndef GLX_MESA_agp_offset
#define GLX_MESA_agp_offset 1
typedef unsigned int ( *PFNGLXGETAGPOFFSETMESAPROC) (const void *pointer);
#ifdef GLX_GLXEXT_PROTOTYPES
unsigned int glXGetAGPOffsetMESA (const void *pointer);
#endif
#endif /* GLX_MESA_agp_offset */
#ifndef GLX_MESA_copy_sub_buffer
#define GLX_MESA_copy_sub_buffer 1
typedef void ( *PFNGLXCOPYSUBBUFFERMESAPROC) (Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXCopySubBufferMESA (Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
#endif
#endif /* GLX_MESA_copy_sub_buffer */
#ifndef GLX_MESA_pixmap_colormap
#define GLX_MESA_pixmap_colormap 1
typedef GLXPixmap ( *PFNGLXCREATEGLXPIXMAPMESAPROC) (Display *dpy, XVisualInfo *visual, Pixmap pixmap, Colormap cmap);
#ifdef GLX_GLXEXT_PROTOTYPES
GLXPixmap glXCreateGLXPixmapMESA (Display *dpy, XVisualInfo *visual, Pixmap pixmap, Colormap cmap);
#endif
#endif /* GLX_MESA_pixmap_colormap */
#ifndef GLX_MESA_release_buffers
#define GLX_MESA_release_buffers 1
typedef Bool ( *PFNGLXRELEASEBUFFERSMESAPROC) (Display *dpy, GLXDrawable drawable);
#ifdef GLX_GLXEXT_PROTOTYPES
Bool glXReleaseBuffersMESA (Display *dpy, GLXDrawable drawable);
#endif
#endif /* GLX_MESA_release_buffers */
#ifndef GLX_MESA_set_3dfx_mode
#define GLX_MESA_set_3dfx_mode 1
#define GLX_3DFX_WINDOW_MODE_MESA 0x1
#define GLX_3DFX_FULLSCREEN_MODE_MESA 0x2
typedef Bool ( *PFNGLXSET3DFXMODEMESAPROC) (int mode);
#ifdef GLX_GLXEXT_PROTOTYPES
Bool glXSet3DfxModeMESA (int mode);
#endif
#endif /* GLX_MESA_set_3dfx_mode */
#ifndef GLX_NV_copy_image
#define GLX_NV_copy_image 1
typedef void ( *PFNGLXCOPYIMAGESUBDATANVPROC) (Display *dpy, GLXContext srcCtx, GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, GLXContext dstCtx, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei width, GLsizei height, GLsizei depth);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXCopyImageSubDataNV (Display *dpy, GLXContext srcCtx, GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, GLXContext dstCtx, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei width, GLsizei height, GLsizei depth);
#endif
#endif /* GLX_NV_copy_image */
#ifndef GLX_NV_float_buffer
#define GLX_NV_float_buffer 1
#define GLX_FLOAT_COMPONENTS_NV 0x20B0
#endif /* GLX_NV_float_buffer */
#ifndef GLX_NV_multisample_coverage
#define GLX_NV_multisample_coverage 1
#define GLX_COVERAGE_SAMPLES_NV 100001
#define GLX_COLOR_SAMPLES_NV 0x20B3
#endif /* GLX_NV_multisample_coverage */
#ifndef GLX_NV_present_video
#define GLX_NV_present_video 1
#define GLX_NUM_VIDEO_SLOTS_NV 0x20F0
typedef unsigned int *( *PFNGLXENUMERATEVIDEODEVICESNVPROC) (Display *dpy, int screen, int *nelements);
typedef int ( *PFNGLXBINDVIDEODEVICENVPROC) (Display *dpy, unsigned int video_slot, unsigned int video_device, const int *attrib_list);
#ifdef GLX_GLXEXT_PROTOTYPES
unsigned int *glXEnumerateVideoDevicesNV (Display *dpy, int screen, int *nelements);
int glXBindVideoDeviceNV (Display *dpy, unsigned int video_slot, unsigned int video_device, const int *attrib_list);
#endif
#endif /* GLX_NV_present_video */
#ifndef GLX_NV_swap_group
#define GLX_NV_swap_group 1
typedef Bool ( *PFNGLXJOINSWAPGROUPNVPROC) (Display *dpy, GLXDrawable drawable, GLuint group);
typedef Bool ( *PFNGLXBINDSWAPBARRIERNVPROC) (Display *dpy, GLuint group, GLuint barrier);
typedef Bool ( *PFNGLXQUERYSWAPGROUPNVPROC) (Display *dpy, GLXDrawable drawable, GLuint *group, GLuint *barrier);
typedef Bool ( *PFNGLXQUERYMAXSWAPGROUPSNVPROC) (Display *dpy, int screen, GLuint *maxGroups, GLuint *maxBarriers);
typedef Bool ( *PFNGLXQUERYFRAMECOUNTNVPROC) (Display *dpy, int screen, GLuint *count);
typedef Bool ( *PFNGLXRESETFRAMECOUNTNVPROC) (Display *dpy, int screen);
#ifdef GLX_GLXEXT_PROTOTYPES
Bool glXJoinSwapGroupNV (Display *dpy, GLXDrawable drawable, GLuint group);
Bool glXBindSwapBarrierNV (Display *dpy, GLuint group, GLuint barrier);
Bool glXQuerySwapGroupNV (Display *dpy, GLXDrawable drawable, GLuint *group, GLuint *barrier);
Bool glXQueryMaxSwapGroupsNV (Display *dpy, int screen, GLuint *maxGroups, GLuint *maxBarriers);
Bool glXQueryFrameCountNV (Display *dpy, int screen, GLuint *count);
Bool glXResetFrameCountNV (Display *dpy, int screen);
#endif
#endif /* GLX_NV_swap_group */
#ifndef GLX_NV_video_capture
#define GLX_NV_video_capture 1
typedef XID GLXVideoCaptureDeviceNV;
#define GLX_DEVICE_ID_NV 0x20CD
#define GLX_UNIQUE_ID_NV 0x20CE
#define GLX_NUM_VIDEO_CAPTURE_SLOTS_NV 0x20CF
typedef int ( *PFNGLXBINDVIDEOCAPTUREDEVICENVPROC) (Display *dpy, unsigned int video_capture_slot, GLXVideoCaptureDeviceNV device);
typedef GLXVideoCaptureDeviceNV *( *PFNGLXENUMERATEVIDEOCAPTUREDEVICESNVPROC) (Display *dpy, int screen, int *nelements);
typedef void ( *PFNGLXLOCKVIDEOCAPTUREDEVICENVPROC) (Display *dpy, GLXVideoCaptureDeviceNV device);
typedef int ( *PFNGLXQUERYVIDEOCAPTUREDEVICENVPROC) (Display *dpy, GLXVideoCaptureDeviceNV device, int attribute, int *value);
typedef void ( *PFNGLXRELEASEVIDEOCAPTUREDEVICENVPROC) (Display *dpy, GLXVideoCaptureDeviceNV device);
#ifdef GLX_GLXEXT_PROTOTYPES
int glXBindVideoCaptureDeviceNV (Display *dpy, unsigned int video_capture_slot, GLXVideoCaptureDeviceNV device);
GLXVideoCaptureDeviceNV *glXEnumerateVideoCaptureDevicesNV (Display *dpy, int screen, int *nelements);
void glXLockVideoCaptureDeviceNV (Display *dpy, GLXVideoCaptureDeviceNV device);
int glXQueryVideoCaptureDeviceNV (Display *dpy, GLXVideoCaptureDeviceNV device, int attribute, int *value);
void glXReleaseVideoCaptureDeviceNV (Display *dpy, GLXVideoCaptureDeviceNV device);
#endif
#endif /* GLX_NV_video_capture */
#ifndef GLX_NV_video_output
#define GLX_NV_video_output 1
typedef unsigned int GLXVideoDeviceNV;
#define GLX_VIDEO_OUT_COLOR_NV 0x20C3
#define GLX_VIDEO_OUT_ALPHA_NV 0x20C4
#define GLX_VIDEO_OUT_DEPTH_NV 0x20C5
#define GLX_VIDEO_OUT_COLOR_AND_ALPHA_NV 0x20C6
#define GLX_VIDEO_OUT_COLOR_AND_DEPTH_NV 0x20C7
#define GLX_VIDEO_OUT_FRAME_NV 0x20C8
#define GLX_VIDEO_OUT_FIELD_1_NV 0x20C9
#define GLX_VIDEO_OUT_FIELD_2_NV 0x20CA
#define GLX_VIDEO_OUT_STACKED_FIELDS_1_2_NV 0x20CB
#define GLX_VIDEO_OUT_STACKED_FIELDS_2_1_NV 0x20CC
typedef int ( *PFNGLXGETVIDEODEVICENVPROC) (Display *dpy, int screen, int numVideoDevices, GLXVideoDeviceNV *pVideoDevice);
typedef int ( *PFNGLXRELEASEVIDEODEVICENVPROC) (Display *dpy, int screen, GLXVideoDeviceNV VideoDevice);
typedef int ( *PFNGLXBINDVIDEOIMAGENVPROC) (Display *dpy, GLXVideoDeviceNV VideoDevice, GLXPbuffer pbuf, int iVideoBuffer);
typedef int ( *PFNGLXRELEASEVIDEOIMAGENVPROC) (Display *dpy, GLXPbuffer pbuf);
typedef int ( *PFNGLXSENDPBUFFERTOVIDEONVPROC) (Display *dpy, GLXPbuffer pbuf, int iBufferType, unsigned long *pulCounterPbuffer, GLboolean bBlock);
typedef int ( *PFNGLXGETVIDEOINFONVPROC) (Display *dpy, int screen, GLXVideoDeviceNV VideoDevice, unsigned long *pulCounterOutputPbuffer, unsigned long *pulCounterOutputVideo);
#ifdef GLX_GLXEXT_PROTOTYPES
int glXGetVideoDeviceNV (Display *dpy, int screen, int numVideoDevices, GLXVideoDeviceNV *pVideoDevice);
int glXReleaseVideoDeviceNV (Display *dpy, int screen, GLXVideoDeviceNV VideoDevice);
int glXBindVideoImageNV (Display *dpy, GLXVideoDeviceNV VideoDevice, GLXPbuffer pbuf, int iVideoBuffer);
int glXReleaseVideoImageNV (Display *dpy, GLXPbuffer pbuf);
int glXSendPbufferToVideoNV (Display *dpy, GLXPbuffer pbuf, int iBufferType, unsigned long *pulCounterPbuffer, GLboolean bBlock);
int glXGetVideoInfoNV (Display *dpy, int screen, GLXVideoDeviceNV VideoDevice, unsigned long *pulCounterOutputPbuffer, unsigned long *pulCounterOutputVideo);
#endif
#endif /* GLX_NV_video_output */
#ifndef GLX_OML_swap_method
#define GLX_OML_swap_method 1
#define GLX_SWAP_METHOD_OML 0x8060
#define GLX_SWAP_EXCHANGE_OML 0x8061
#define GLX_SWAP_COPY_OML 0x8062
#define GLX_SWAP_UNDEFINED_OML 0x8063
#endif /* GLX_OML_swap_method */
#ifndef GLX_OML_sync_control
#define GLX_OML_sync_control 1
#ifndef GLEXT_64_TYPES_DEFINED
/* This code block is duplicated in glext.h, so must be protected */
#define GLEXT_64_TYPES_DEFINED
/* Define int32_t, int64_t, and uint64_t types for UST/MSC */
/* (as used in the GLX_OML_sync_control extension). */
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
#include <inttypes.h>
#elif defined(__sun__) || defined(__digital__)
#include <inttypes.h>
#if defined(__STDC__)
#if defined(__arch64__) || defined(_LP64)
typedef long int int64_t;
typedef unsigned long int uint64_t;
#else
typedef long long int int64_t;
typedef unsigned long long int uint64_t;
#endif /* __arch64__ */
#endif /* __STDC__ */
#elif defined( __VMS ) || defined(__sgi)
#include <inttypes.h>
#elif defined(__SCO__) || defined(__USLC__)
#include <stdint.h>
#elif defined(__UNIXOS2__) || defined(__SOL64__)
typedef long int int32_t;
typedef long long int int64_t;
typedef unsigned long long int uint64_t;
#elif defined(_WIN32) && defined(__GNUC__)
#include <stdint.h>
#elif defined(_WIN32)
typedef __int32 int32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
/* Fallback if nothing above works */
#include <inttypes.h>
#endif
#endif
typedef Bool ( *PFNGLXGETSYNCVALUESOMLPROC) (Display *dpy, GLXDrawable drawable, int64_t *ust, int64_t *msc, int64_t *sbc);
typedef Bool ( *PFNGLXGETMSCRATEOMLPROC) (Display *dpy, GLXDrawable drawable, int32_t *numerator, int32_t *denominator);
typedef int64_t ( *PFNGLXSWAPBUFFERSMSCOMLPROC) (Display *dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder);
typedef Bool ( *PFNGLXWAITFORMSCOMLPROC) (Display *dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder, int64_t *ust, int64_t *msc, int64_t *sbc);
typedef Bool ( *PFNGLXWAITFORSBCOMLPROC) (Display *dpy, GLXDrawable drawable, int64_t target_sbc, int64_t *ust, int64_t *msc, int64_t *sbc);
#ifdef GLX_GLXEXT_PROTOTYPES
Bool glXGetSyncValuesOML (Display *dpy, GLXDrawable drawable, int64_t *ust, int64_t *msc, int64_t *sbc);
Bool glXGetMscRateOML (Display *dpy, GLXDrawable drawable, int32_t *numerator, int32_t *denominator);
int64_t glXSwapBuffersMscOML (Display *dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder);
Bool glXWaitForMscOML (Display *dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder, int64_t *ust, int64_t *msc, int64_t *sbc);
Bool glXWaitForSbcOML (Display *dpy, GLXDrawable drawable, int64_t target_sbc, int64_t *ust, int64_t *msc, int64_t *sbc);
#endif
#endif /* GLX_OML_sync_control */
#ifndef GLX_SGIS_blended_overlay
#define GLX_SGIS_blended_overlay 1
#define GLX_BLENDED_RGBA_SGIS 0x8025
#endif /* GLX_SGIS_blended_overlay */
#ifndef GLX_SGIS_multisample
#define GLX_SGIS_multisample 1
#define GLX_SAMPLE_BUFFERS_SGIS 100000
#define GLX_SAMPLES_SGIS 100001
#endif /* GLX_SGIS_multisample */
#ifndef GLX_SGIS_shared_multisample
#define GLX_SGIS_shared_multisample 1
#define GLX_MULTISAMPLE_SUB_RECT_WIDTH_SGIS 0x8026
#define GLX_MULTISAMPLE_SUB_RECT_HEIGHT_SGIS 0x8027
#endif /* GLX_SGIS_shared_multisample */
#ifndef GLX_SGIX_dmbuffer
#define GLX_SGIX_dmbuffer 1
typedef XID GLXPbufferSGIX;
#ifdef _DM_BUFFER_H_
#define GLX_DIGITAL_MEDIA_PBUFFER_SGIX 0x8024
typedef Bool ( *PFNGLXASSOCIATEDMPBUFFERSGIXPROC) (Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer);
#ifdef GLX_GLXEXT_PROTOTYPES
Bool glXAssociateDMPbufferSGIX (Display *dpy, GLXPbufferSGIX pbuffer, DMparams *params, DMbuffer dmbuffer);
#endif
#endif /* _DM_BUFFER_H_ */
#endif /* GLX_SGIX_dmbuffer */
#ifndef GLX_SGIX_fbconfig
#define GLX_SGIX_fbconfig 1
typedef struct __GLXFBConfigRec *GLXFBConfigSGIX;
#define GLX_WINDOW_BIT_SGIX 0x00000001
#define GLX_PIXMAP_BIT_SGIX 0x00000002
#define GLX_RGBA_BIT_SGIX 0x00000001
#define GLX_COLOR_INDEX_BIT_SGIX 0x00000002
#define GLX_DRAWABLE_TYPE_SGIX 0x8010
#define GLX_RENDER_TYPE_SGIX 0x8011
#define GLX_X_RENDERABLE_SGIX 0x8012
#define GLX_FBCONFIG_ID_SGIX 0x8013
#define GLX_RGBA_TYPE_SGIX 0x8014
#define GLX_COLOR_INDEX_TYPE_SGIX 0x8015
typedef int ( *PFNGLXGETFBCONFIGATTRIBSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, int attribute, int *value);
typedef GLXFBConfigSGIX *( *PFNGLXCHOOSEFBCONFIGSGIXPROC) (Display *dpy, int screen, int *attrib_list, int *nelements);
typedef GLXPixmap ( *PFNGLXCREATEGLXPIXMAPWITHCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap);
typedef GLXContext ( *PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct);
typedef XVisualInfo *( *PFNGLXGETVISUALFROMFBCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config);
typedef GLXFBConfigSGIX ( *PFNGLXGETFBCONFIGFROMVISUALSGIXPROC) (Display *dpy, XVisualInfo *vis);
#ifdef GLX_GLXEXT_PROTOTYPES
int glXGetFBConfigAttribSGIX (Display *dpy, GLXFBConfigSGIX config, int attribute, int *value);
GLXFBConfigSGIX *glXChooseFBConfigSGIX (Display *dpy, int screen, int *attrib_list, int *nelements);
GLXPixmap glXCreateGLXPixmapWithConfigSGIX (Display *dpy, GLXFBConfigSGIX config, Pixmap pixmap);
GLXContext glXCreateContextWithConfigSGIX (Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct);
XVisualInfo *glXGetVisualFromFBConfigSGIX (Display *dpy, GLXFBConfigSGIX config);
GLXFBConfigSGIX glXGetFBConfigFromVisualSGIX (Display *dpy, XVisualInfo *vis);
#endif
#endif /* GLX_SGIX_fbconfig */
#ifndef GLX_SGIX_hyperpipe
#define GLX_SGIX_hyperpipe 1
typedef struct {
char pipeName[80]; /* Should be [GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX] */
int networkId;
} GLXHyperpipeNetworkSGIX;
typedef struct {
char pipeName[80]; /* Should be [GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX] */
int channel;
unsigned int participationType;
int timeSlice;
} GLXHyperpipeConfigSGIX;
typedef struct {
char pipeName[80]; /* Should be [GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX] */
int srcXOrigin, srcYOrigin, srcWidth, srcHeight;
int destXOrigin, destYOrigin, destWidth, destHeight;
} GLXPipeRect;
typedef struct {
char pipeName[80]; /* Should be [GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX] */
int XOrigin, YOrigin, maxHeight, maxWidth;
} GLXPipeRectLimits;
#define GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX 80
#define GLX_BAD_HYPERPIPE_CONFIG_SGIX 91
#define GLX_BAD_HYPERPIPE_SGIX 92
#define GLX_HYPERPIPE_DISPLAY_PIPE_SGIX 0x00000001
#define GLX_HYPERPIPE_RENDER_PIPE_SGIX 0x00000002
#define GLX_PIPE_RECT_SGIX 0x00000001
#define GLX_PIPE_RECT_LIMITS_SGIX 0x00000002
#define GLX_HYPERPIPE_STEREO_SGIX 0x00000003
#define GLX_HYPERPIPE_PIXEL_AVERAGE_SGIX 0x00000004
#define GLX_HYPERPIPE_ID_SGIX 0x8030
typedef GLXHyperpipeNetworkSGIX *( *PFNGLXQUERYHYPERPIPENETWORKSGIXPROC) (Display *dpy, int *npipes);
typedef int ( *PFNGLXHYPERPIPECONFIGSGIXPROC) (Display *dpy, int networkId, int npipes, GLXHyperpipeConfigSGIX *cfg, int *hpId);
typedef GLXHyperpipeConfigSGIX *( *PFNGLXQUERYHYPERPIPECONFIGSGIXPROC) (Display *dpy, int hpId, int *npipes);
typedef int ( *PFNGLXDESTROYHYPERPIPECONFIGSGIXPROC) (Display *dpy, int hpId);
typedef int ( *PFNGLXBINDHYPERPIPESGIXPROC) (Display *dpy, int hpId);
typedef int ( *PFNGLXQUERYHYPERPIPEBESTATTRIBSGIXPROC) (Display *dpy, int timeSlice, int attrib, int size, void *attribList, void *returnAttribList);
typedef int ( *PFNGLXHYPERPIPEATTRIBSGIXPROC) (Display *dpy, int timeSlice, int attrib, int size, void *attribList);
typedef int ( *PFNGLXQUERYHYPERPIPEATTRIBSGIXPROC) (Display *dpy, int timeSlice, int attrib, int size, void *returnAttribList);
#ifdef GLX_GLXEXT_PROTOTYPES
GLXHyperpipeNetworkSGIX *glXQueryHyperpipeNetworkSGIX (Display *dpy, int *npipes);
int glXHyperpipeConfigSGIX (Display *dpy, int networkId, int npipes, GLXHyperpipeConfigSGIX *cfg, int *hpId);
GLXHyperpipeConfigSGIX *glXQueryHyperpipeConfigSGIX (Display *dpy, int hpId, int *npipes);
int glXDestroyHyperpipeConfigSGIX (Display *dpy, int hpId);
int glXBindHyperpipeSGIX (Display *dpy, int hpId);
int glXQueryHyperpipeBestAttribSGIX (Display *dpy, int timeSlice, int attrib, int size, void *attribList, void *returnAttribList);
int glXHyperpipeAttribSGIX (Display *dpy, int timeSlice, int attrib, int size, void *attribList);
int glXQueryHyperpipeAttribSGIX (Display *dpy, int timeSlice, int attrib, int size, void *returnAttribList);
#endif
#endif /* GLX_SGIX_hyperpipe */
#ifndef GLX_SGIX_pbuffer
#define GLX_SGIX_pbuffer 1
#define GLX_PBUFFER_BIT_SGIX 0x00000004
#define GLX_BUFFER_CLOBBER_MASK_SGIX 0x08000000
#define GLX_FRONT_LEFT_BUFFER_BIT_SGIX 0x00000001
#define GLX_FRONT_RIGHT_BUFFER_BIT_SGIX 0x00000002
#define GLX_BACK_LEFT_BUFFER_BIT_SGIX 0x00000004
#define GLX_BACK_RIGHT_BUFFER_BIT_SGIX 0x00000008
#define GLX_AUX_BUFFERS_BIT_SGIX 0x00000010
#define GLX_DEPTH_BUFFER_BIT_SGIX 0x00000020
#define GLX_STENCIL_BUFFER_BIT_SGIX 0x00000040
#define GLX_ACCUM_BUFFER_BIT_SGIX 0x00000080
#define GLX_SAMPLE_BUFFERS_BIT_SGIX 0x00000100
#define GLX_MAX_PBUFFER_WIDTH_SGIX 0x8016
#define GLX_MAX_PBUFFER_HEIGHT_SGIX 0x8017
#define GLX_MAX_PBUFFER_PIXELS_SGIX 0x8018
#define GLX_OPTIMAL_PBUFFER_WIDTH_SGIX 0x8019
#define GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX 0x801A
#define GLX_PRESERVED_CONTENTS_SGIX 0x801B
#define GLX_LARGEST_PBUFFER_SGIX 0x801C
#define GLX_WIDTH_SGIX 0x801D
#define GLX_HEIGHT_SGIX 0x801E
#define GLX_EVENT_MASK_SGIX 0x801F
#define GLX_DAMAGED_SGIX 0x8020
#define GLX_SAVED_SGIX 0x8021
#define GLX_WINDOW_SGIX 0x8022
#define GLX_PBUFFER_SGIX 0x8023
typedef GLXPbufferSGIX ( *PFNGLXCREATEGLXPBUFFERSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, unsigned int width, unsigned int height, int *attrib_list);
typedef void ( *PFNGLXDESTROYGLXPBUFFERSGIXPROC) (Display *dpy, GLXPbufferSGIX pbuf);
typedef int ( *PFNGLXQUERYGLXPBUFFERSGIXPROC) (Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value);
typedef void ( *PFNGLXSELECTEVENTSGIXPROC) (Display *dpy, GLXDrawable drawable, unsigned long mask);
typedef void ( *PFNGLXGETSELECTEDEVENTSGIXPROC) (Display *dpy, GLXDrawable drawable, unsigned long *mask);
#ifdef GLX_GLXEXT_PROTOTYPES
GLXPbufferSGIX glXCreateGLXPbufferSGIX (Display *dpy, GLXFBConfigSGIX config, unsigned int width, unsigned int height, int *attrib_list);
void glXDestroyGLXPbufferSGIX (Display *dpy, GLXPbufferSGIX pbuf);
int glXQueryGLXPbufferSGIX (Display *dpy, GLXPbufferSGIX pbuf, int attribute, unsigned int *value);
void glXSelectEventSGIX (Display *dpy, GLXDrawable drawable, unsigned long mask);
void glXGetSelectedEventSGIX (Display *dpy, GLXDrawable drawable, unsigned long *mask);
#endif
#endif /* GLX_SGIX_pbuffer */
#ifndef GLX_SGIX_swap_barrier
#define GLX_SGIX_swap_barrier 1
typedef void ( *PFNGLXBINDSWAPBARRIERSGIXPROC) (Display *dpy, GLXDrawable drawable, int barrier);
typedef Bool ( *PFNGLXQUERYMAXSWAPBARRIERSSGIXPROC) (Display *dpy, int screen, int *max);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXBindSwapBarrierSGIX (Display *dpy, GLXDrawable drawable, int barrier);
Bool glXQueryMaxSwapBarriersSGIX (Display *dpy, int screen, int *max);
#endif
#endif /* GLX_SGIX_swap_barrier */
#ifndef GLX_SGIX_swap_group
#define GLX_SGIX_swap_group 1
typedef void ( *PFNGLXJOINSWAPGROUPSGIXPROC) (Display *dpy, GLXDrawable drawable, GLXDrawable member);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXJoinSwapGroupSGIX (Display *dpy, GLXDrawable drawable, GLXDrawable member);
#endif
#endif /* GLX_SGIX_swap_group */
#ifndef GLX_SGIX_video_resize
#define GLX_SGIX_video_resize 1
#define GLX_SYNC_FRAME_SGIX 0x00000000
#define GLX_SYNC_SWAP_SGIX 0x00000001
typedef int ( *PFNGLXBINDCHANNELTOWINDOWSGIXPROC) (Display *display, int screen, int channel, Window window);
typedef int ( *PFNGLXCHANNELRECTSGIXPROC) (Display *display, int screen, int channel, int x, int y, int w, int h);
typedef int ( *PFNGLXQUERYCHANNELRECTSGIXPROC) (Display *display, int screen, int channel, int *dx, int *dy, int *dw, int *dh);
typedef int ( *PFNGLXQUERYCHANNELDELTASSGIXPROC) (Display *display, int screen, int channel, int *x, int *y, int *w, int *h);
typedef int ( *PFNGLXCHANNELRECTSYNCSGIXPROC) (Display *display, int screen, int channel, GLenum synctype);
#ifdef GLX_GLXEXT_PROTOTYPES
int glXBindChannelToWindowSGIX (Display *display, int screen, int channel, Window window);
int glXChannelRectSGIX (Display *display, int screen, int channel, int x, int y, int w, int h);
int glXQueryChannelRectSGIX (Display *display, int screen, int channel, int *dx, int *dy, int *dw, int *dh);
int glXQueryChannelDeltasSGIX (Display *display, int screen, int channel, int *x, int *y, int *w, int *h);
int glXChannelRectSyncSGIX (Display *display, int screen, int channel, GLenum synctype);
#endif
#endif /* GLX_SGIX_video_resize */
#ifndef GLX_SGIX_video_source
#define GLX_SGIX_video_source 1
typedef XID GLXVideoSourceSGIX;
#ifdef _VL_H
typedef GLXVideoSourceSGIX ( *PFNGLXCREATEGLXVIDEOSOURCESGIXPROC) (Display *display, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode);
typedef void ( *PFNGLXDESTROYGLXVIDEOSOURCESGIXPROC) (Display *dpy, GLXVideoSourceSGIX glxvideosource);
#ifdef GLX_GLXEXT_PROTOTYPES
GLXVideoSourceSGIX glXCreateGLXVideoSourceSGIX (Display *display, int screen, VLServer server, VLPath path, int nodeClass, VLNode drainNode);
void glXDestroyGLXVideoSourceSGIX (Display *dpy, GLXVideoSourceSGIX glxvideosource);
#endif
#endif /* _VL_H */
#endif /* GLX_SGIX_video_source */
#ifndef GLX_SGIX_visual_select_group
#define GLX_SGIX_visual_select_group 1
#define GLX_VISUAL_SELECT_GROUP_SGIX 0x8028
#endif /* GLX_SGIX_visual_select_group */
#ifndef GLX_SGI_cushion
#define GLX_SGI_cushion 1
typedef void ( *PFNGLXCUSHIONSGIPROC) (Display *dpy, Window window, float cushion);
#ifdef GLX_GLXEXT_PROTOTYPES
void glXCushionSGI (Display *dpy, Window window, float cushion);
#endif
#endif /* GLX_SGI_cushion */
#ifndef GLX_SGI_make_current_read
#define GLX_SGI_make_current_read 1
typedef Bool ( *PFNGLXMAKECURRENTREADSGIPROC) (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
typedef GLXDrawable ( *PFNGLXGETCURRENTREADDRAWABLESGIPROC) (void);
#ifdef GLX_GLXEXT_PROTOTYPES
Bool glXMakeCurrentReadSGI (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
GLXDrawable glXGetCurrentReadDrawableSGI (void);
#endif
#endif /* GLX_SGI_make_current_read */
#ifndef GLX_SGI_swap_control
#define GLX_SGI_swap_control 1
typedef int ( *PFNGLXSWAPINTERVALSGIPROC) (int interval);
#ifdef GLX_GLXEXT_PROTOTYPES
int glXSwapIntervalSGI (int interval);
#endif
#endif /* GLX_SGI_swap_control */
#ifndef GLX_SGI_video_sync
#define GLX_SGI_video_sync 1
typedef int ( *PFNGLXGETVIDEOSYNCSGIPROC) (unsigned int *count);
typedef int ( *PFNGLXWAITVIDEOSYNCSGIPROC) (int divisor, int remainder, unsigned int *count);
#ifdef GLX_GLXEXT_PROTOTYPES
int glXGetVideoSyncSGI (unsigned int *count);
int glXWaitVideoSyncSGI (int divisor, int remainder, unsigned int *count);
#endif
#endif /* GLX_SGI_video_sync */
#ifndef GLX_SUN_get_transparent_index
#define GLX_SUN_get_transparent_index 1
typedef Status ( *PFNGLXGETTRANSPARENTINDEXSUNPROC) (Display *dpy, Window overlay, Window underlay, long *pTransparentIndex);
#ifdef GLX_GLXEXT_PROTOTYPES
Status glXGetTransparentIndexSUN (Display *dpy, Window overlay, Window underlay, long *pTransparentIndex);
#endif
#endif /* GLX_SUN_get_transparent_index */
#ifdef __cplusplus
}
#endif
#endif

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#ifndef __wglext_h_
#define __wglext_h_ 1
#ifdef __cplusplus
extern "C" {
#endif
/*
** Copyright (c) 2013 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
/*
** This header is generated from the Khronos OpenGL / OpenGL ES XML
** API Registry. The current version of the Registry, generator scripts
** used to make the header, and the header can be found at
** http://www.opengl.org/registry/
**
** Khronos $Revision$ on $Date$
*/
#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#endif
#define WGL_WGLEXT_VERSION 20130710
/* Generated C header for:
* API: wgl
* Versions considered: .*
* Versions emitted: _nomatch_^
* Default extensions included: wgl
* Additional extensions included: _nomatch_^
* Extensions removed: _nomatch_^
*/
#ifndef WGL_ARB_buffer_region
#define WGL_ARB_buffer_region 1
#define WGL_FRONT_COLOR_BUFFER_BIT_ARB 0x00000001
#define WGL_BACK_COLOR_BUFFER_BIT_ARB 0x00000002
#define WGL_DEPTH_BUFFER_BIT_ARB 0x00000004
#define WGL_STENCIL_BUFFER_BIT_ARB 0x00000008
typedef HANDLE (WINAPI * PFNWGLCREATEBUFFERREGIONARBPROC) (HDC hDC, int iLayerPlane, UINT uType);
typedef VOID (WINAPI * PFNWGLDELETEBUFFERREGIONARBPROC) (HANDLE hRegion);
typedef BOOL (WINAPI * PFNWGLSAVEBUFFERREGIONARBPROC) (HANDLE hRegion, int x, int y, int width, int height);
typedef BOOL (WINAPI * PFNWGLRESTOREBUFFERREGIONARBPROC) (HANDLE hRegion, int x, int y, int width, int height, int xSrc, int ySrc);
#ifdef WGL_WGLEXT_PROTOTYPES
HANDLE WINAPI wglCreateBufferRegionARB (HDC hDC, int iLayerPlane, UINT uType);
VOID WINAPI wglDeleteBufferRegionARB (HANDLE hRegion);
BOOL WINAPI wglSaveBufferRegionARB (HANDLE hRegion, int x, int y, int width, int height);
BOOL WINAPI wglRestoreBufferRegionARB (HANDLE hRegion, int x, int y, int width, int height, int xSrc, int ySrc);
#endif
#endif /* WGL_ARB_buffer_region */
#ifndef WGL_ARB_create_context
#define WGL_ARB_create_context 1
#define WGL_CONTEXT_DEBUG_BIT_ARB 0x00000001
#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002
#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
#define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093
#define WGL_CONTEXT_FLAGS_ARB 0x2094
#define ERROR_INVALID_VERSION_ARB 0x2095
typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShareContext, const int *attribList);
#ifdef WGL_WGLEXT_PROTOTYPES
HGLRC WINAPI wglCreateContextAttribsARB (HDC hDC, HGLRC hShareContext, const int *attribList);
#endif
#endif /* WGL_ARB_create_context */
#ifndef WGL_ARB_create_context_profile
#define WGL_ARB_create_context_profile 1
#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
#define ERROR_INVALID_PROFILE_ARB 0x2096
#endif /* WGL_ARB_create_context_profile */
#ifndef WGL_ARB_create_context_robustness
#define WGL_ARB_create_context_robustness 1
#define WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB 0x00000004
#define WGL_LOSE_CONTEXT_ON_RESET_ARB 0x8252
#define WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB 0x8256
#define WGL_NO_RESET_NOTIFICATION_ARB 0x8261
#endif /* WGL_ARB_create_context_robustness */
#ifndef WGL_ARB_extensions_string
#define WGL_ARB_extensions_string 1
typedef const char *(WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC) (HDC hdc);
#ifdef WGL_WGLEXT_PROTOTYPES
const char *WINAPI wglGetExtensionsStringARB (HDC hdc);
#endif
#endif /* WGL_ARB_extensions_string */
#ifndef WGL_ARB_framebuffer_sRGB
#define WGL_ARB_framebuffer_sRGB 1
#define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20A9
#endif /* WGL_ARB_framebuffer_sRGB */
#ifndef WGL_ARB_make_current_read
#define WGL_ARB_make_current_read 1
#define ERROR_INVALID_PIXEL_TYPE_ARB 0x2043
#define ERROR_INCOMPATIBLE_DEVICE_CONTEXTS_ARB 0x2054
typedef BOOL (WINAPI * PFNWGLMAKECONTEXTCURRENTARBPROC) (HDC hDrawDC, HDC hReadDC, HGLRC hglrc);
typedef HDC (WINAPI * PFNWGLGETCURRENTREADDCARBPROC) (void);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglMakeContextCurrentARB (HDC hDrawDC, HDC hReadDC, HGLRC hglrc);
HDC WINAPI wglGetCurrentReadDCARB (void);
#endif
#endif /* WGL_ARB_make_current_read */
#ifndef WGL_ARB_multisample
#define WGL_ARB_multisample 1
#define WGL_SAMPLE_BUFFERS_ARB 0x2041
#define WGL_SAMPLES_ARB 0x2042
#endif /* WGL_ARB_multisample */
#ifndef WGL_ARB_pbuffer
#define WGL_ARB_pbuffer 1
DECLARE_HANDLE(HPBUFFERARB);
#define WGL_DRAW_TO_PBUFFER_ARB 0x202D
#define WGL_MAX_PBUFFER_PIXELS_ARB 0x202E
#define WGL_MAX_PBUFFER_WIDTH_ARB 0x202F
#define WGL_MAX_PBUFFER_HEIGHT_ARB 0x2030
#define WGL_PBUFFER_LARGEST_ARB 0x2033
#define WGL_PBUFFER_WIDTH_ARB 0x2034
#define WGL_PBUFFER_HEIGHT_ARB 0x2035
#define WGL_PBUFFER_LOST_ARB 0x2036
typedef HPBUFFERARB (WINAPI * PFNWGLCREATEPBUFFERARBPROC) (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList);
typedef HDC (WINAPI * PFNWGLGETPBUFFERDCARBPROC) (HPBUFFERARB hPbuffer);
typedef int (WINAPI * PFNWGLRELEASEPBUFFERDCARBPROC) (HPBUFFERARB hPbuffer, HDC hDC);
typedef BOOL (WINAPI * PFNWGLDESTROYPBUFFERARBPROC) (HPBUFFERARB hPbuffer);
typedef BOOL (WINAPI * PFNWGLQUERYPBUFFERARBPROC) (HPBUFFERARB hPbuffer, int iAttribute, int *piValue);
#ifdef WGL_WGLEXT_PROTOTYPES
HPBUFFERARB WINAPI wglCreatePbufferARB (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList);
HDC WINAPI wglGetPbufferDCARB (HPBUFFERARB hPbuffer);
int WINAPI wglReleasePbufferDCARB (HPBUFFERARB hPbuffer, HDC hDC);
BOOL WINAPI wglDestroyPbufferARB (HPBUFFERARB hPbuffer);
BOOL WINAPI wglQueryPbufferARB (HPBUFFERARB hPbuffer, int iAttribute, int *piValue);
#endif
#endif /* WGL_ARB_pbuffer */
#ifndef WGL_ARB_pixel_format
#define WGL_ARB_pixel_format 1
#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
#define WGL_DRAW_TO_WINDOW_ARB 0x2001
#define WGL_DRAW_TO_BITMAP_ARB 0x2002
#define WGL_ACCELERATION_ARB 0x2003
#define WGL_NEED_PALETTE_ARB 0x2004
#define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005
#define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006
#define WGL_SWAP_METHOD_ARB 0x2007
#define WGL_NUMBER_OVERLAYS_ARB 0x2008
#define WGL_NUMBER_UNDERLAYS_ARB 0x2009
#define WGL_TRANSPARENT_ARB 0x200A
#define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037
#define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
#define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
#define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
#define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
#define WGL_SHARE_DEPTH_ARB 0x200C
#define WGL_SHARE_STENCIL_ARB 0x200D
#define WGL_SHARE_ACCUM_ARB 0x200E
#define WGL_SUPPORT_GDI_ARB 0x200F
#define WGL_SUPPORT_OPENGL_ARB 0x2010
#define WGL_DOUBLE_BUFFER_ARB 0x2011
#define WGL_STEREO_ARB 0x2012
#define WGL_PIXEL_TYPE_ARB 0x2013
#define WGL_COLOR_BITS_ARB 0x2014
#define WGL_RED_BITS_ARB 0x2015
#define WGL_RED_SHIFT_ARB 0x2016
#define WGL_GREEN_BITS_ARB 0x2017
#define WGL_GREEN_SHIFT_ARB 0x2018
#define WGL_BLUE_BITS_ARB 0x2019
#define WGL_BLUE_SHIFT_ARB 0x201A
#define WGL_ALPHA_BITS_ARB 0x201B
#define WGL_ALPHA_SHIFT_ARB 0x201C
#define WGL_ACCUM_BITS_ARB 0x201D
#define WGL_ACCUM_RED_BITS_ARB 0x201E
#define WGL_ACCUM_GREEN_BITS_ARB 0x201F
#define WGL_ACCUM_BLUE_BITS_ARB 0x2020
#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
#define WGL_DEPTH_BITS_ARB 0x2022
#define WGL_STENCIL_BITS_ARB 0x2023
#define WGL_AUX_BUFFERS_ARB 0x2024
#define WGL_NO_ACCELERATION_ARB 0x2025
#define WGL_GENERIC_ACCELERATION_ARB 0x2026
#define WGL_FULL_ACCELERATION_ARB 0x2027
#define WGL_SWAP_EXCHANGE_ARB 0x2028
#define WGL_SWAP_COPY_ARB 0x2029
#define WGL_SWAP_UNDEFINED_ARB 0x202A
#define WGL_TYPE_RGBA_ARB 0x202B
#define WGL_TYPE_COLORINDEX_ARB 0x202C
typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBIVARBPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues);
typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBFVARBPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, FLOAT *pfValues);
typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATARBPROC) (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetPixelFormatAttribivARB (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, int *piValues);
BOOL WINAPI wglGetPixelFormatAttribfvARB (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int *piAttributes, FLOAT *pfValues);
BOOL WINAPI wglChoosePixelFormatARB (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
#endif
#endif /* WGL_ARB_pixel_format */
#ifndef WGL_ARB_pixel_format_float
#define WGL_ARB_pixel_format_float 1
#define WGL_TYPE_RGBA_FLOAT_ARB 0x21A0
#endif /* WGL_ARB_pixel_format_float */
#ifndef WGL_ARB_render_texture
#define WGL_ARB_render_texture 1
#define WGL_BIND_TO_TEXTURE_RGB_ARB 0x2070
#define WGL_BIND_TO_TEXTURE_RGBA_ARB 0x2071
#define WGL_TEXTURE_FORMAT_ARB 0x2072
#define WGL_TEXTURE_TARGET_ARB 0x2073
#define WGL_MIPMAP_TEXTURE_ARB 0x2074
#define WGL_TEXTURE_RGB_ARB 0x2075
#define WGL_TEXTURE_RGBA_ARB 0x2076
#define WGL_NO_TEXTURE_ARB 0x2077
#define WGL_TEXTURE_CUBE_MAP_ARB 0x2078
#define WGL_TEXTURE_1D_ARB 0x2079
#define WGL_TEXTURE_2D_ARB 0x207A
#define WGL_MIPMAP_LEVEL_ARB 0x207B
#define WGL_CUBE_MAP_FACE_ARB 0x207C
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x207D
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x207E
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x207F
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x2080
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x2081
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x2082
#define WGL_FRONT_LEFT_ARB 0x2083
#define WGL_FRONT_RIGHT_ARB 0x2084
#define WGL_BACK_LEFT_ARB 0x2085
#define WGL_BACK_RIGHT_ARB 0x2086
#define WGL_AUX0_ARB 0x2087
#define WGL_AUX1_ARB 0x2088
#define WGL_AUX2_ARB 0x2089
#define WGL_AUX3_ARB 0x208A
#define WGL_AUX4_ARB 0x208B
#define WGL_AUX5_ARB 0x208C
#define WGL_AUX6_ARB 0x208D
#define WGL_AUX7_ARB 0x208E
#define WGL_AUX8_ARB 0x208F
#define WGL_AUX9_ARB 0x2090
typedef BOOL (WINAPI * PFNWGLBINDTEXIMAGEARBPROC) (HPBUFFERARB hPbuffer, int iBuffer);
typedef BOOL (WINAPI * PFNWGLRELEASETEXIMAGEARBPROC) (HPBUFFERARB hPbuffer, int iBuffer);
typedef BOOL (WINAPI * PFNWGLSETPBUFFERATTRIBARBPROC) (HPBUFFERARB hPbuffer, const int *piAttribList);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglBindTexImageARB (HPBUFFERARB hPbuffer, int iBuffer);
BOOL WINAPI wglReleaseTexImageARB (HPBUFFERARB hPbuffer, int iBuffer);
BOOL WINAPI wglSetPbufferAttribARB (HPBUFFERARB hPbuffer, const int *piAttribList);
#endif
#endif /* WGL_ARB_render_texture */
#ifndef WGL_ARB_robustness_application_isolation
#define WGL_ARB_robustness_application_isolation 1
#define WGL_CONTEXT_RESET_ISOLATION_BIT_ARB 0x00000008
#endif /* WGL_ARB_robustness_application_isolation */
#ifndef WGL_ARB_robustness_share_group_isolation
#define WGL_ARB_robustness_share_group_isolation 1
#endif /* WGL_ARB_robustness_share_group_isolation */
#ifndef WGL_3DFX_multisample
#define WGL_3DFX_multisample 1
#define WGL_SAMPLE_BUFFERS_3DFX 0x2060
#define WGL_SAMPLES_3DFX 0x2061
#endif /* WGL_3DFX_multisample */
#ifndef WGL_3DL_stereo_control
#define WGL_3DL_stereo_control 1
#define WGL_STEREO_EMITTER_ENABLE_3DL 0x2055
#define WGL_STEREO_EMITTER_DISABLE_3DL 0x2056
#define WGL_STEREO_POLARITY_NORMAL_3DL 0x2057
#define WGL_STEREO_POLARITY_INVERT_3DL 0x2058
typedef BOOL (WINAPI * PFNWGLSETSTEREOEMITTERSTATE3DLPROC) (HDC hDC, UINT uState);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglSetStereoEmitterState3DL (HDC hDC, UINT uState);
#endif
#endif /* WGL_3DL_stereo_control */
#ifndef WGL_AMD_gpu_association
#define WGL_AMD_gpu_association 1
#define WGL_GPU_VENDOR_AMD 0x1F00
#define WGL_GPU_RENDERER_STRING_AMD 0x1F01
#define WGL_GPU_OPENGL_VERSION_STRING_AMD 0x1F02
#define WGL_GPU_FASTEST_TARGET_GPUS_AMD 0x21A2
#define WGL_GPU_RAM_AMD 0x21A3
#define WGL_GPU_CLOCK_AMD 0x21A4
#define WGL_GPU_NUM_PIPES_AMD 0x21A5
#define WGL_GPU_NUM_SIMD_AMD 0x21A6
#define WGL_GPU_NUM_RB_AMD 0x21A7
#define WGL_GPU_NUM_SPI_AMD 0x21A8
typedef UINT (WINAPI * PFNWGLGETGPUIDSAMDPROC) (UINT maxCount, UINT *ids);
typedef INT (WINAPI * PFNWGLGETGPUINFOAMDPROC) (UINT id, int property, GLenum dataType, UINT size, void *data);
typedef UINT (WINAPI * PFNWGLGETCONTEXTGPUIDAMDPROC) (HGLRC hglrc);
typedef HGLRC (WINAPI * PFNWGLCREATEASSOCIATEDCONTEXTAMDPROC) (UINT id);
typedef HGLRC (WINAPI * PFNWGLCREATEASSOCIATEDCONTEXTATTRIBSAMDPROC) (UINT id, HGLRC hShareContext, const int *attribList);
typedef BOOL (WINAPI * PFNWGLDELETEASSOCIATEDCONTEXTAMDPROC) (HGLRC hglrc);
typedef BOOL (WINAPI * PFNWGLMAKEASSOCIATEDCONTEXTCURRENTAMDPROC) (HGLRC hglrc);
typedef HGLRC (WINAPI * PFNWGLGETCURRENTASSOCIATEDCONTEXTAMDPROC) (void);
typedef VOID (WINAPI * PFNWGLBLITCONTEXTFRAMEBUFFERAMDPROC) (HGLRC dstCtx, GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
#ifdef WGL_WGLEXT_PROTOTYPES
UINT WINAPI wglGetGPUIDsAMD (UINT maxCount, UINT *ids);
INT WINAPI wglGetGPUInfoAMD (UINT id, int property, GLenum dataType, UINT size, void *data);
UINT WINAPI wglGetContextGPUIDAMD (HGLRC hglrc);
HGLRC WINAPI wglCreateAssociatedContextAMD (UINT id);
HGLRC WINAPI wglCreateAssociatedContextAttribsAMD (UINT id, HGLRC hShareContext, const int *attribList);
BOOL WINAPI wglDeleteAssociatedContextAMD (HGLRC hglrc);
BOOL WINAPI wglMakeAssociatedContextCurrentAMD (HGLRC hglrc);
HGLRC WINAPI wglGetCurrentAssociatedContextAMD (void);
VOID WINAPI wglBlitContextFramebufferAMD (HGLRC dstCtx, GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
#endif
#endif /* WGL_AMD_gpu_association */
#ifndef WGL_ATI_pixel_format_float
#define WGL_ATI_pixel_format_float 1
#define WGL_TYPE_RGBA_FLOAT_ATI 0x21A0
#endif /* WGL_ATI_pixel_format_float */
#ifndef WGL_EXT_create_context_es2_profile
#define WGL_EXT_create_context_es2_profile 1
#define WGL_CONTEXT_ES2_PROFILE_BIT_EXT 0x00000004
#endif /* WGL_EXT_create_context_es2_profile */
#ifndef WGL_EXT_create_context_es_profile
#define WGL_EXT_create_context_es_profile 1
#define WGL_CONTEXT_ES_PROFILE_BIT_EXT 0x00000004
#endif /* WGL_EXT_create_context_es_profile */
#ifndef WGL_EXT_depth_float
#define WGL_EXT_depth_float 1
#define WGL_DEPTH_FLOAT_EXT 0x2040
#endif /* WGL_EXT_depth_float */
#ifndef WGL_EXT_display_color_table
#define WGL_EXT_display_color_table 1
typedef GLboolean (WINAPI * PFNWGLCREATEDISPLAYCOLORTABLEEXTPROC) (GLushort id);
typedef GLboolean (WINAPI * PFNWGLLOADDISPLAYCOLORTABLEEXTPROC) (const GLushort *table, GLuint length);
typedef GLboolean (WINAPI * PFNWGLBINDDISPLAYCOLORTABLEEXTPROC) (GLushort id);
typedef VOID (WINAPI * PFNWGLDESTROYDISPLAYCOLORTABLEEXTPROC) (GLushort id);
#ifdef WGL_WGLEXT_PROTOTYPES
GLboolean WINAPI wglCreateDisplayColorTableEXT (GLushort id);
GLboolean WINAPI wglLoadDisplayColorTableEXT (const GLushort *table, GLuint length);
GLboolean WINAPI wglBindDisplayColorTableEXT (GLushort id);
VOID WINAPI wglDestroyDisplayColorTableEXT (GLushort id);
#endif
#endif /* WGL_EXT_display_color_table */
#ifndef WGL_EXT_extensions_string
#define WGL_EXT_extensions_string 1
typedef const char *(WINAPI * PFNWGLGETEXTENSIONSSTRINGEXTPROC) (void);
#ifdef WGL_WGLEXT_PROTOTYPES
const char *WINAPI wglGetExtensionsStringEXT (void);
#endif
#endif /* WGL_EXT_extensions_string */
#ifndef WGL_EXT_framebuffer_sRGB
#define WGL_EXT_framebuffer_sRGB 1
#define WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x20A9
#endif /* WGL_EXT_framebuffer_sRGB */
#ifndef WGL_EXT_make_current_read
#define WGL_EXT_make_current_read 1
#define ERROR_INVALID_PIXEL_TYPE_EXT 0x2043
typedef BOOL (WINAPI * PFNWGLMAKECONTEXTCURRENTEXTPROC) (HDC hDrawDC, HDC hReadDC, HGLRC hglrc);
typedef HDC (WINAPI * PFNWGLGETCURRENTREADDCEXTPROC) (void);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglMakeContextCurrentEXT (HDC hDrawDC, HDC hReadDC, HGLRC hglrc);
HDC WINAPI wglGetCurrentReadDCEXT (void);
#endif
#endif /* WGL_EXT_make_current_read */
#ifndef WGL_EXT_multisample
#define WGL_EXT_multisample 1
#define WGL_SAMPLE_BUFFERS_EXT 0x2041
#define WGL_SAMPLES_EXT 0x2042
#endif /* WGL_EXT_multisample */
#ifndef WGL_EXT_pbuffer
#define WGL_EXT_pbuffer 1
DECLARE_HANDLE(HPBUFFEREXT);
#define WGL_DRAW_TO_PBUFFER_EXT 0x202D
#define WGL_MAX_PBUFFER_PIXELS_EXT 0x202E
#define WGL_MAX_PBUFFER_WIDTH_EXT 0x202F
#define WGL_MAX_PBUFFER_HEIGHT_EXT 0x2030
#define WGL_OPTIMAL_PBUFFER_WIDTH_EXT 0x2031
#define WGL_OPTIMAL_PBUFFER_HEIGHT_EXT 0x2032
#define WGL_PBUFFER_LARGEST_EXT 0x2033
#define WGL_PBUFFER_WIDTH_EXT 0x2034
#define WGL_PBUFFER_HEIGHT_EXT 0x2035
typedef HPBUFFEREXT (WINAPI * PFNWGLCREATEPBUFFEREXTPROC) (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList);
typedef HDC (WINAPI * PFNWGLGETPBUFFERDCEXTPROC) (HPBUFFEREXT hPbuffer);
typedef int (WINAPI * PFNWGLRELEASEPBUFFERDCEXTPROC) (HPBUFFEREXT hPbuffer, HDC hDC);
typedef BOOL (WINAPI * PFNWGLDESTROYPBUFFEREXTPROC) (HPBUFFEREXT hPbuffer);
typedef BOOL (WINAPI * PFNWGLQUERYPBUFFEREXTPROC) (HPBUFFEREXT hPbuffer, int iAttribute, int *piValue);
#ifdef WGL_WGLEXT_PROTOTYPES
HPBUFFEREXT WINAPI wglCreatePbufferEXT (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int *piAttribList);
HDC WINAPI wglGetPbufferDCEXT (HPBUFFEREXT hPbuffer);
int WINAPI wglReleasePbufferDCEXT (HPBUFFEREXT hPbuffer, HDC hDC);
BOOL WINAPI wglDestroyPbufferEXT (HPBUFFEREXT hPbuffer);
BOOL WINAPI wglQueryPbufferEXT (HPBUFFEREXT hPbuffer, int iAttribute, int *piValue);
#endif
#endif /* WGL_EXT_pbuffer */
#ifndef WGL_EXT_pixel_format
#define WGL_EXT_pixel_format 1
#define WGL_NUMBER_PIXEL_FORMATS_EXT 0x2000
#define WGL_DRAW_TO_WINDOW_EXT 0x2001
#define WGL_DRAW_TO_BITMAP_EXT 0x2002
#define WGL_ACCELERATION_EXT 0x2003
#define WGL_NEED_PALETTE_EXT 0x2004
#define WGL_NEED_SYSTEM_PALETTE_EXT 0x2005
#define WGL_SWAP_LAYER_BUFFERS_EXT 0x2006
#define WGL_SWAP_METHOD_EXT 0x2007
#define WGL_NUMBER_OVERLAYS_EXT 0x2008
#define WGL_NUMBER_UNDERLAYS_EXT 0x2009
#define WGL_TRANSPARENT_EXT 0x200A
#define WGL_TRANSPARENT_VALUE_EXT 0x200B
#define WGL_SHARE_DEPTH_EXT 0x200C
#define WGL_SHARE_STENCIL_EXT 0x200D
#define WGL_SHARE_ACCUM_EXT 0x200E
#define WGL_SUPPORT_GDI_EXT 0x200F
#define WGL_SUPPORT_OPENGL_EXT 0x2010
#define WGL_DOUBLE_BUFFER_EXT 0x2011
#define WGL_STEREO_EXT 0x2012
#define WGL_PIXEL_TYPE_EXT 0x2013
#define WGL_COLOR_BITS_EXT 0x2014
#define WGL_RED_BITS_EXT 0x2015
#define WGL_RED_SHIFT_EXT 0x2016
#define WGL_GREEN_BITS_EXT 0x2017
#define WGL_GREEN_SHIFT_EXT 0x2018
#define WGL_BLUE_BITS_EXT 0x2019
#define WGL_BLUE_SHIFT_EXT 0x201A
#define WGL_ALPHA_BITS_EXT 0x201B
#define WGL_ALPHA_SHIFT_EXT 0x201C
#define WGL_ACCUM_BITS_EXT 0x201D
#define WGL_ACCUM_RED_BITS_EXT 0x201E
#define WGL_ACCUM_GREEN_BITS_EXT 0x201F
#define WGL_ACCUM_BLUE_BITS_EXT 0x2020
#define WGL_ACCUM_ALPHA_BITS_EXT 0x2021
#define WGL_DEPTH_BITS_EXT 0x2022
#define WGL_STENCIL_BITS_EXT 0x2023
#define WGL_AUX_BUFFERS_EXT 0x2024
#define WGL_NO_ACCELERATION_EXT 0x2025
#define WGL_GENERIC_ACCELERATION_EXT 0x2026
#define WGL_FULL_ACCELERATION_EXT 0x2027
#define WGL_SWAP_EXCHANGE_EXT 0x2028
#define WGL_SWAP_COPY_EXT 0x2029
#define WGL_SWAP_UNDEFINED_EXT 0x202A
#define WGL_TYPE_RGBA_EXT 0x202B
#define WGL_TYPE_COLORINDEX_EXT 0x202C
typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBIVEXTPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int *piAttributes, int *piValues);
typedef BOOL (WINAPI * PFNWGLGETPIXELFORMATATTRIBFVEXTPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int *piAttributes, FLOAT *pfValues);
typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATEXTPROC) (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetPixelFormatAttribivEXT (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int *piAttributes, int *piValues);
BOOL WINAPI wglGetPixelFormatAttribfvEXT (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int *piAttributes, FLOAT *pfValues);
BOOL WINAPI wglChoosePixelFormatEXT (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
#endif
#endif /* WGL_EXT_pixel_format */
#ifndef WGL_EXT_pixel_format_packed_float
#define WGL_EXT_pixel_format_packed_float 1
#define WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT 0x20A8
#endif /* WGL_EXT_pixel_format_packed_float */
#ifndef WGL_EXT_swap_control
#define WGL_EXT_swap_control 1
typedef BOOL (WINAPI * PFNWGLSWAPINTERVALEXTPROC) (int interval);
typedef int (WINAPI * PFNWGLGETSWAPINTERVALEXTPROC) (void);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglSwapIntervalEXT (int interval);
int WINAPI wglGetSwapIntervalEXT (void);
#endif
#endif /* WGL_EXT_swap_control */
#ifndef WGL_EXT_swap_control_tear
#define WGL_EXT_swap_control_tear 1
#endif /* WGL_EXT_swap_control_tear */
#ifndef WGL_I3D_digital_video_control
#define WGL_I3D_digital_video_control 1
#define WGL_DIGITAL_VIDEO_CURSOR_ALPHA_FRAMEBUFFER_I3D 0x2050
#define WGL_DIGITAL_VIDEO_CURSOR_ALPHA_VALUE_I3D 0x2051
#define WGL_DIGITAL_VIDEO_CURSOR_INCLUDED_I3D 0x2052
#define WGL_DIGITAL_VIDEO_GAMMA_CORRECTED_I3D 0x2053
typedef BOOL (WINAPI * PFNWGLGETDIGITALVIDEOPARAMETERSI3DPROC) (HDC hDC, int iAttribute, int *piValue);
typedef BOOL (WINAPI * PFNWGLSETDIGITALVIDEOPARAMETERSI3DPROC) (HDC hDC, int iAttribute, const int *piValue);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetDigitalVideoParametersI3D (HDC hDC, int iAttribute, int *piValue);
BOOL WINAPI wglSetDigitalVideoParametersI3D (HDC hDC, int iAttribute, const int *piValue);
#endif
#endif /* WGL_I3D_digital_video_control */
#ifndef WGL_I3D_gamma
#define WGL_I3D_gamma 1
#define WGL_GAMMA_TABLE_SIZE_I3D 0x204E
#define WGL_GAMMA_EXCLUDE_DESKTOP_I3D 0x204F
typedef BOOL (WINAPI * PFNWGLGETGAMMATABLEPARAMETERSI3DPROC) (HDC hDC, int iAttribute, int *piValue);
typedef BOOL (WINAPI * PFNWGLSETGAMMATABLEPARAMETERSI3DPROC) (HDC hDC, int iAttribute, const int *piValue);
typedef BOOL (WINAPI * PFNWGLGETGAMMATABLEI3DPROC) (HDC hDC, int iEntries, USHORT *puRed, USHORT *puGreen, USHORT *puBlue);
typedef BOOL (WINAPI * PFNWGLSETGAMMATABLEI3DPROC) (HDC hDC, int iEntries, const USHORT *puRed, const USHORT *puGreen, const USHORT *puBlue);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetGammaTableParametersI3D (HDC hDC, int iAttribute, int *piValue);
BOOL WINAPI wglSetGammaTableParametersI3D (HDC hDC, int iAttribute, const int *piValue);
BOOL WINAPI wglGetGammaTableI3D (HDC hDC, int iEntries, USHORT *puRed, USHORT *puGreen, USHORT *puBlue);
BOOL WINAPI wglSetGammaTableI3D (HDC hDC, int iEntries, const USHORT *puRed, const USHORT *puGreen, const USHORT *puBlue);
#endif
#endif /* WGL_I3D_gamma */
#ifndef WGL_I3D_genlock
#define WGL_I3D_genlock 1
#define WGL_GENLOCK_SOURCE_MULTIVIEW_I3D 0x2044
#define WGL_GENLOCK_SOURCE_EXTERNAL_SYNC_I3D 0x2045
#define WGL_GENLOCK_SOURCE_EXTERNAL_FIELD_I3D 0x2046
#define WGL_GENLOCK_SOURCE_EXTERNAL_TTL_I3D 0x2047
#define WGL_GENLOCK_SOURCE_DIGITAL_SYNC_I3D 0x2048
#define WGL_GENLOCK_SOURCE_DIGITAL_FIELD_I3D 0x2049
#define WGL_GENLOCK_SOURCE_EDGE_FALLING_I3D 0x204A
#define WGL_GENLOCK_SOURCE_EDGE_RISING_I3D 0x204B
#define WGL_GENLOCK_SOURCE_EDGE_BOTH_I3D 0x204C
typedef BOOL (WINAPI * PFNWGLENABLEGENLOCKI3DPROC) (HDC hDC);
typedef BOOL (WINAPI * PFNWGLDISABLEGENLOCKI3DPROC) (HDC hDC);
typedef BOOL (WINAPI * PFNWGLISENABLEDGENLOCKI3DPROC) (HDC hDC, BOOL *pFlag);
typedef BOOL (WINAPI * PFNWGLGENLOCKSOURCEI3DPROC) (HDC hDC, UINT uSource);
typedef BOOL (WINAPI * PFNWGLGETGENLOCKSOURCEI3DPROC) (HDC hDC, UINT *uSource);
typedef BOOL (WINAPI * PFNWGLGENLOCKSOURCEEDGEI3DPROC) (HDC hDC, UINT uEdge);
typedef BOOL (WINAPI * PFNWGLGETGENLOCKSOURCEEDGEI3DPROC) (HDC hDC, UINT *uEdge);
typedef BOOL (WINAPI * PFNWGLGENLOCKSAMPLERATEI3DPROC) (HDC hDC, UINT uRate);
typedef BOOL (WINAPI * PFNWGLGETGENLOCKSAMPLERATEI3DPROC) (HDC hDC, UINT *uRate);
typedef BOOL (WINAPI * PFNWGLGENLOCKSOURCEDELAYI3DPROC) (HDC hDC, UINT uDelay);
typedef BOOL (WINAPI * PFNWGLGETGENLOCKSOURCEDELAYI3DPROC) (HDC hDC, UINT *uDelay);
typedef BOOL (WINAPI * PFNWGLQUERYGENLOCKMAXSOURCEDELAYI3DPROC) (HDC hDC, UINT *uMaxLineDelay, UINT *uMaxPixelDelay);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglEnableGenlockI3D (HDC hDC);
BOOL WINAPI wglDisableGenlockI3D (HDC hDC);
BOOL WINAPI wglIsEnabledGenlockI3D (HDC hDC, BOOL *pFlag);
BOOL WINAPI wglGenlockSourceI3D (HDC hDC, UINT uSource);
BOOL WINAPI wglGetGenlockSourceI3D (HDC hDC, UINT *uSource);
BOOL WINAPI wglGenlockSourceEdgeI3D (HDC hDC, UINT uEdge);
BOOL WINAPI wglGetGenlockSourceEdgeI3D (HDC hDC, UINT *uEdge);
BOOL WINAPI wglGenlockSampleRateI3D (HDC hDC, UINT uRate);
BOOL WINAPI wglGetGenlockSampleRateI3D (HDC hDC, UINT *uRate);
BOOL WINAPI wglGenlockSourceDelayI3D (HDC hDC, UINT uDelay);
BOOL WINAPI wglGetGenlockSourceDelayI3D (HDC hDC, UINT *uDelay);
BOOL WINAPI wglQueryGenlockMaxSourceDelayI3D (HDC hDC, UINT *uMaxLineDelay, UINT *uMaxPixelDelay);
#endif
#endif /* WGL_I3D_genlock */
#ifndef WGL_I3D_image_buffer
#define WGL_I3D_image_buffer 1
#define WGL_IMAGE_BUFFER_MIN_ACCESS_I3D 0x00000001
#define WGL_IMAGE_BUFFER_LOCK_I3D 0x00000002
typedef LPVOID (WINAPI * PFNWGLCREATEIMAGEBUFFERI3DPROC) (HDC hDC, DWORD dwSize, UINT uFlags);
typedef BOOL (WINAPI * PFNWGLDESTROYIMAGEBUFFERI3DPROC) (HDC hDC, LPVOID pAddress);
typedef BOOL (WINAPI * PFNWGLASSOCIATEIMAGEBUFFEREVENTSI3DPROC) (HDC hDC, const HANDLE *pEvent, const LPVOID *pAddress, const DWORD *pSize, UINT count);
typedef BOOL (WINAPI * PFNWGLRELEASEIMAGEBUFFEREVENTSI3DPROC) (HDC hDC, const LPVOID *pAddress, UINT count);
#ifdef WGL_WGLEXT_PROTOTYPES
LPVOID WINAPI wglCreateImageBufferI3D (HDC hDC, DWORD dwSize, UINT uFlags);
BOOL WINAPI wglDestroyImageBufferI3D (HDC hDC, LPVOID pAddress);
BOOL WINAPI wglAssociateImageBufferEventsI3D (HDC hDC, const HANDLE *pEvent, const LPVOID *pAddress, const DWORD *pSize, UINT count);
BOOL WINAPI wglReleaseImageBufferEventsI3D (HDC hDC, const LPVOID *pAddress, UINT count);
#endif
#endif /* WGL_I3D_image_buffer */
#ifndef WGL_I3D_swap_frame_lock
#define WGL_I3D_swap_frame_lock 1
typedef BOOL (WINAPI * PFNWGLENABLEFRAMELOCKI3DPROC) (void);
typedef BOOL (WINAPI * PFNWGLDISABLEFRAMELOCKI3DPROC) (void);
typedef BOOL (WINAPI * PFNWGLISENABLEDFRAMELOCKI3DPROC) (BOOL *pFlag);
typedef BOOL (WINAPI * PFNWGLQUERYFRAMELOCKMASTERI3DPROC) (BOOL *pFlag);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglEnableFrameLockI3D (void);
BOOL WINAPI wglDisableFrameLockI3D (void);
BOOL WINAPI wglIsEnabledFrameLockI3D (BOOL *pFlag);
BOOL WINAPI wglQueryFrameLockMasterI3D (BOOL *pFlag);
#endif
#endif /* WGL_I3D_swap_frame_lock */
#ifndef WGL_I3D_swap_frame_usage
#define WGL_I3D_swap_frame_usage 1
typedef BOOL (WINAPI * PFNWGLGETFRAMEUSAGEI3DPROC) (float *pUsage);
typedef BOOL (WINAPI * PFNWGLBEGINFRAMETRACKINGI3DPROC) (void);
typedef BOOL (WINAPI * PFNWGLENDFRAMETRACKINGI3DPROC) (void);
typedef BOOL (WINAPI * PFNWGLQUERYFRAMETRACKINGI3DPROC) (DWORD *pFrameCount, DWORD *pMissedFrames, float *pLastMissedUsage);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetFrameUsageI3D (float *pUsage);
BOOL WINAPI wglBeginFrameTrackingI3D (void);
BOOL WINAPI wglEndFrameTrackingI3D (void);
BOOL WINAPI wglQueryFrameTrackingI3D (DWORD *pFrameCount, DWORD *pMissedFrames, float *pLastMissedUsage);
#endif
#endif /* WGL_I3D_swap_frame_usage */
#ifndef WGL_NV_DX_interop
#define WGL_NV_DX_interop 1
#define WGL_ACCESS_READ_ONLY_NV 0x00000000
#define WGL_ACCESS_READ_WRITE_NV 0x00000001
#define WGL_ACCESS_WRITE_DISCARD_NV 0x00000002
typedef BOOL (WINAPI * PFNWGLDXSETRESOURCESHAREHANDLENVPROC) (void *dxObject, HANDLE shareHandle);
typedef HANDLE (WINAPI * PFNWGLDXOPENDEVICENVPROC) (void *dxDevice);
typedef BOOL (WINAPI * PFNWGLDXCLOSEDEVICENVPROC) (HANDLE hDevice);
typedef HANDLE (WINAPI * PFNWGLDXREGISTEROBJECTNVPROC) (HANDLE hDevice, void *dxObject, GLuint name, GLenum type, GLenum access);
typedef BOOL (WINAPI * PFNWGLDXUNREGISTEROBJECTNVPROC) (HANDLE hDevice, HANDLE hObject);
typedef BOOL (WINAPI * PFNWGLDXOBJECTACCESSNVPROC) (HANDLE hObject, GLenum access);
typedef BOOL (WINAPI * PFNWGLDXLOCKOBJECTSNVPROC) (HANDLE hDevice, GLint count, HANDLE *hObjects);
typedef BOOL (WINAPI * PFNWGLDXUNLOCKOBJECTSNVPROC) (HANDLE hDevice, GLint count, HANDLE *hObjects);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglDXSetResourceShareHandleNV (void *dxObject, HANDLE shareHandle);
HANDLE WINAPI wglDXOpenDeviceNV (void *dxDevice);
BOOL WINAPI wglDXCloseDeviceNV (HANDLE hDevice);
HANDLE WINAPI wglDXRegisterObjectNV (HANDLE hDevice, void *dxObject, GLuint name, GLenum type, GLenum access);
BOOL WINAPI wglDXUnregisterObjectNV (HANDLE hDevice, HANDLE hObject);
BOOL WINAPI wglDXObjectAccessNV (HANDLE hObject, GLenum access);
BOOL WINAPI wglDXLockObjectsNV (HANDLE hDevice, GLint count, HANDLE *hObjects);
BOOL WINAPI wglDXUnlockObjectsNV (HANDLE hDevice, GLint count, HANDLE *hObjects);
#endif
#endif /* WGL_NV_DX_interop */
#ifndef WGL_NV_DX_interop2
#define WGL_NV_DX_interop2 1
#endif /* WGL_NV_DX_interop2 */
#ifndef WGL_NV_copy_image
#define WGL_NV_copy_image 1
typedef BOOL (WINAPI * PFNWGLCOPYIMAGESUBDATANVPROC) (HGLRC hSrcRC, GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, HGLRC hDstRC, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei width, GLsizei height, GLsizei depth);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglCopyImageSubDataNV (HGLRC hSrcRC, GLuint srcName, GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ, HGLRC hDstRC, GLuint dstName, GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ, GLsizei width, GLsizei height, GLsizei depth);
#endif
#endif /* WGL_NV_copy_image */
#ifndef WGL_NV_float_buffer
#define WGL_NV_float_buffer 1
#define WGL_FLOAT_COMPONENTS_NV 0x20B0
#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV 0x20B1
#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV 0x20B2
#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV 0x20B3
#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV 0x20B4
#define WGL_TEXTURE_FLOAT_R_NV 0x20B5
#define WGL_TEXTURE_FLOAT_RG_NV 0x20B6
#define WGL_TEXTURE_FLOAT_RGB_NV 0x20B7
#define WGL_TEXTURE_FLOAT_RGBA_NV 0x20B8
#endif /* WGL_NV_float_buffer */
#ifndef WGL_NV_gpu_affinity
#define WGL_NV_gpu_affinity 1
DECLARE_HANDLE(HGPUNV);
struct _GPU_DEVICE {
DWORD cb;
CHAR DeviceName[32];
CHAR DeviceString[128];
DWORD Flags;
RECT rcVirtualScreen;
};
typedef struct _GPU_DEVICE *PGPU_DEVICE;
#define ERROR_INCOMPATIBLE_AFFINITY_MASKS_NV 0x20D0
#define ERROR_MISSING_AFFINITY_MASK_NV 0x20D1
typedef BOOL (WINAPI * PFNWGLENUMGPUSNVPROC) (UINT iGpuIndex, HGPUNV *phGpu);
typedef BOOL (WINAPI * PFNWGLENUMGPUDEVICESNVPROC) (HGPUNV hGpu, UINT iDeviceIndex, PGPU_DEVICE lpGpuDevice);
typedef HDC (WINAPI * PFNWGLCREATEAFFINITYDCNVPROC) (const HGPUNV *phGpuList);
typedef BOOL (WINAPI * PFNWGLENUMGPUSFROMAFFINITYDCNVPROC) (HDC hAffinityDC, UINT iGpuIndex, HGPUNV *hGpu);
typedef BOOL (WINAPI * PFNWGLDELETEDCNVPROC) (HDC hdc);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglEnumGpusNV (UINT iGpuIndex, HGPUNV *phGpu);
BOOL WINAPI wglEnumGpuDevicesNV (HGPUNV hGpu, UINT iDeviceIndex, PGPU_DEVICE lpGpuDevice);
HDC WINAPI wglCreateAffinityDCNV (const HGPUNV *phGpuList);
BOOL WINAPI wglEnumGpusFromAffinityDCNV (HDC hAffinityDC, UINT iGpuIndex, HGPUNV *hGpu);
BOOL WINAPI wglDeleteDCNV (HDC hdc);
#endif
#endif /* WGL_NV_gpu_affinity */
#ifndef WGL_NV_multisample_coverage
#define WGL_NV_multisample_coverage 1
#define WGL_COVERAGE_SAMPLES_NV 0x2042
#define WGL_COLOR_SAMPLES_NV 0x20B9
#endif /* WGL_NV_multisample_coverage */
#ifndef WGL_NV_present_video
#define WGL_NV_present_video 1
DECLARE_HANDLE(HVIDEOOUTPUTDEVICENV);
#define WGL_NUM_VIDEO_SLOTS_NV 0x20F0
typedef int (WINAPI * PFNWGLENUMERATEVIDEODEVICESNVPROC) (HDC hDC, HVIDEOOUTPUTDEVICENV *phDeviceList);
typedef BOOL (WINAPI * PFNWGLBINDVIDEODEVICENVPROC) (HDC hDC, unsigned int uVideoSlot, HVIDEOOUTPUTDEVICENV hVideoDevice, const int *piAttribList);
typedef BOOL (WINAPI * PFNWGLQUERYCURRENTCONTEXTNVPROC) (int iAttribute, int *piValue);
#ifdef WGL_WGLEXT_PROTOTYPES
int WINAPI wglEnumerateVideoDevicesNV (HDC hDC, HVIDEOOUTPUTDEVICENV *phDeviceList);
BOOL WINAPI wglBindVideoDeviceNV (HDC hDC, unsigned int uVideoSlot, HVIDEOOUTPUTDEVICENV hVideoDevice, const int *piAttribList);
BOOL WINAPI wglQueryCurrentContextNV (int iAttribute, int *piValue);
#endif
#endif /* WGL_NV_present_video */
#ifndef WGL_NV_render_depth_texture
#define WGL_NV_render_depth_texture 1
#define WGL_BIND_TO_TEXTURE_DEPTH_NV 0x20A3
#define WGL_BIND_TO_TEXTURE_RECTANGLE_DEPTH_NV 0x20A4
#define WGL_DEPTH_TEXTURE_FORMAT_NV 0x20A5
#define WGL_TEXTURE_DEPTH_COMPONENT_NV 0x20A6
#define WGL_DEPTH_COMPONENT_NV 0x20A7
#endif /* WGL_NV_render_depth_texture */
#ifndef WGL_NV_render_texture_rectangle
#define WGL_NV_render_texture_rectangle 1
#define WGL_BIND_TO_TEXTURE_RECTANGLE_RGB_NV 0x20A0
#define WGL_BIND_TO_TEXTURE_RECTANGLE_RGBA_NV 0x20A1
#define WGL_TEXTURE_RECTANGLE_NV 0x20A2
#endif /* WGL_NV_render_texture_rectangle */
#ifndef WGL_NV_swap_group
#define WGL_NV_swap_group 1
typedef BOOL (WINAPI * PFNWGLJOINSWAPGROUPNVPROC) (HDC hDC, GLuint group);
typedef BOOL (WINAPI * PFNWGLBINDSWAPBARRIERNVPROC) (GLuint group, GLuint barrier);
typedef BOOL (WINAPI * PFNWGLQUERYSWAPGROUPNVPROC) (HDC hDC, GLuint *group, GLuint *barrier);
typedef BOOL (WINAPI * PFNWGLQUERYMAXSWAPGROUPSNVPROC) (HDC hDC, GLuint *maxGroups, GLuint *maxBarriers);
typedef BOOL (WINAPI * PFNWGLQUERYFRAMECOUNTNVPROC) (HDC hDC, GLuint *count);
typedef BOOL (WINAPI * PFNWGLRESETFRAMECOUNTNVPROC) (HDC hDC);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglJoinSwapGroupNV (HDC hDC, GLuint group);
BOOL WINAPI wglBindSwapBarrierNV (GLuint group, GLuint barrier);
BOOL WINAPI wglQuerySwapGroupNV (HDC hDC, GLuint *group, GLuint *barrier);
BOOL WINAPI wglQueryMaxSwapGroupsNV (HDC hDC, GLuint *maxGroups, GLuint *maxBarriers);
BOOL WINAPI wglQueryFrameCountNV (HDC hDC, GLuint *count);
BOOL WINAPI wglResetFrameCountNV (HDC hDC);
#endif
#endif /* WGL_NV_swap_group */
#ifndef WGL_NV_vertex_array_range
#define WGL_NV_vertex_array_range 1
typedef void *(WINAPI * PFNWGLALLOCATEMEMORYNVPROC) (GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
typedef void (WINAPI * PFNWGLFREEMEMORYNVPROC) (void *pointer);
#ifdef WGL_WGLEXT_PROTOTYPES
void *WINAPI wglAllocateMemoryNV (GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
void WINAPI wglFreeMemoryNV (void *pointer);
#endif
#endif /* WGL_NV_vertex_array_range */
#ifndef WGL_NV_video_capture
#define WGL_NV_video_capture 1
DECLARE_HANDLE(HVIDEOINPUTDEVICENV);
#define WGL_UNIQUE_ID_NV 0x20CE
#define WGL_NUM_VIDEO_CAPTURE_SLOTS_NV 0x20CF
typedef BOOL (WINAPI * PFNWGLBINDVIDEOCAPTUREDEVICENVPROC) (UINT uVideoSlot, HVIDEOINPUTDEVICENV hDevice);
typedef UINT (WINAPI * PFNWGLENUMERATEVIDEOCAPTUREDEVICESNVPROC) (HDC hDc, HVIDEOINPUTDEVICENV *phDeviceList);
typedef BOOL (WINAPI * PFNWGLLOCKVIDEOCAPTUREDEVICENVPROC) (HDC hDc, HVIDEOINPUTDEVICENV hDevice);
typedef BOOL (WINAPI * PFNWGLQUERYVIDEOCAPTUREDEVICENVPROC) (HDC hDc, HVIDEOINPUTDEVICENV hDevice, int iAttribute, int *piValue);
typedef BOOL (WINAPI * PFNWGLRELEASEVIDEOCAPTUREDEVICENVPROC) (HDC hDc, HVIDEOINPUTDEVICENV hDevice);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglBindVideoCaptureDeviceNV (UINT uVideoSlot, HVIDEOINPUTDEVICENV hDevice);
UINT WINAPI wglEnumerateVideoCaptureDevicesNV (HDC hDc, HVIDEOINPUTDEVICENV *phDeviceList);
BOOL WINAPI wglLockVideoCaptureDeviceNV (HDC hDc, HVIDEOINPUTDEVICENV hDevice);
BOOL WINAPI wglQueryVideoCaptureDeviceNV (HDC hDc, HVIDEOINPUTDEVICENV hDevice, int iAttribute, int *piValue);
BOOL WINAPI wglReleaseVideoCaptureDeviceNV (HDC hDc, HVIDEOINPUTDEVICENV hDevice);
#endif
#endif /* WGL_NV_video_capture */
#ifndef WGL_NV_video_output
#define WGL_NV_video_output 1
DECLARE_HANDLE(HPVIDEODEV);
#define WGL_BIND_TO_VIDEO_RGB_NV 0x20C0
#define WGL_BIND_TO_VIDEO_RGBA_NV 0x20C1
#define WGL_BIND_TO_VIDEO_RGB_AND_DEPTH_NV 0x20C2
#define WGL_VIDEO_OUT_COLOR_NV 0x20C3
#define WGL_VIDEO_OUT_ALPHA_NV 0x20C4
#define WGL_VIDEO_OUT_DEPTH_NV 0x20C5
#define WGL_VIDEO_OUT_COLOR_AND_ALPHA_NV 0x20C6
#define WGL_VIDEO_OUT_COLOR_AND_DEPTH_NV 0x20C7
#define WGL_VIDEO_OUT_FRAME 0x20C8
#define WGL_VIDEO_OUT_FIELD_1 0x20C9
#define WGL_VIDEO_OUT_FIELD_2 0x20CA
#define WGL_VIDEO_OUT_STACKED_FIELDS_1_2 0x20CB
#define WGL_VIDEO_OUT_STACKED_FIELDS_2_1 0x20CC
typedef BOOL (WINAPI * PFNWGLGETVIDEODEVICENVPROC) (HDC hDC, int numDevices, HPVIDEODEV *hVideoDevice);
typedef BOOL (WINAPI * PFNWGLRELEASEVIDEODEVICENVPROC) (HPVIDEODEV hVideoDevice);
typedef BOOL (WINAPI * PFNWGLBINDVIDEOIMAGENVPROC) (HPVIDEODEV hVideoDevice, HPBUFFERARB hPbuffer, int iVideoBuffer);
typedef BOOL (WINAPI * PFNWGLRELEASEVIDEOIMAGENVPROC) (HPBUFFERARB hPbuffer, int iVideoBuffer);
typedef BOOL (WINAPI * PFNWGLSENDPBUFFERTOVIDEONVPROC) (HPBUFFERARB hPbuffer, int iBufferType, unsigned long *pulCounterPbuffer, BOOL bBlock);
typedef BOOL (WINAPI * PFNWGLGETVIDEOINFONVPROC) (HPVIDEODEV hpVideoDevice, unsigned long *pulCounterOutputPbuffer, unsigned long *pulCounterOutputVideo);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetVideoDeviceNV (HDC hDC, int numDevices, HPVIDEODEV *hVideoDevice);
BOOL WINAPI wglReleaseVideoDeviceNV (HPVIDEODEV hVideoDevice);
BOOL WINAPI wglBindVideoImageNV (HPVIDEODEV hVideoDevice, HPBUFFERARB hPbuffer, int iVideoBuffer);
BOOL WINAPI wglReleaseVideoImageNV (HPBUFFERARB hPbuffer, int iVideoBuffer);
BOOL WINAPI wglSendPbufferToVideoNV (HPBUFFERARB hPbuffer, int iBufferType, unsigned long *pulCounterPbuffer, BOOL bBlock);
BOOL WINAPI wglGetVideoInfoNV (HPVIDEODEV hpVideoDevice, unsigned long *pulCounterOutputPbuffer, unsigned long *pulCounterOutputVideo);
#endif
#endif /* WGL_NV_video_output */
#ifndef WGL_OML_sync_control
#define WGL_OML_sync_control 1
typedef BOOL (WINAPI * PFNWGLGETSYNCVALUESOMLPROC) (HDC hdc, INT64 *ust, INT64 *msc, INT64 *sbc);
typedef BOOL (WINAPI * PFNWGLGETMSCRATEOMLPROC) (HDC hdc, INT32 *numerator, INT32 *denominator);
typedef INT64 (WINAPI * PFNWGLSWAPBUFFERSMSCOMLPROC) (HDC hdc, INT64 target_msc, INT64 divisor, INT64 remainder);
typedef INT64 (WINAPI * PFNWGLSWAPLAYERBUFFERSMSCOMLPROC) (HDC hdc, int fuPlanes, INT64 target_msc, INT64 divisor, INT64 remainder);
typedef BOOL (WINAPI * PFNWGLWAITFORMSCOMLPROC) (HDC hdc, INT64 target_msc, INT64 divisor, INT64 remainder, INT64 *ust, INT64 *msc, INT64 *sbc);
typedef BOOL (WINAPI * PFNWGLWAITFORSBCOMLPROC) (HDC hdc, INT64 target_sbc, INT64 *ust, INT64 *msc, INT64 *sbc);
#ifdef WGL_WGLEXT_PROTOTYPES
BOOL WINAPI wglGetSyncValuesOML (HDC hdc, INT64 *ust, INT64 *msc, INT64 *sbc);
BOOL WINAPI wglGetMscRateOML (HDC hdc, INT32 *numerator, INT32 *denominator);
INT64 WINAPI wglSwapBuffersMscOML (HDC hdc, INT64 target_msc, INT64 divisor, INT64 remainder);
INT64 WINAPI wglSwapLayerBuffersMscOML (HDC hdc, int fuPlanes, INT64 target_msc, INT64 divisor, INT64 remainder);
BOOL WINAPI wglWaitForMscOML (HDC hdc, INT64 target_msc, INT64 divisor, INT64 remainder, INT64 *ust, INT64 *msc, INT64 *sbc);
BOOL WINAPI wglWaitForSbcOML (HDC hdc, INT64 target_sbc, INT64 *ust, INT64 *msc, INT64 *sbc);
#endif
#endif /* WGL_OML_sync_control */
#ifdef __cplusplus
}
#endif
#endif

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View File

@ -1,230 +1,267 @@
/* Copyright (c) 2012, Kim Gräsman
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Kim Gräsman nor the names of contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL KIM GRÄSMAN BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*****************************************************************************
* getopt.c - competent and free getopt library.
* $Header: /cvsroot/freegetopt/freegetopt/getopt.c,v 1.2 2003/10/26 03:10:20 vindaci Exp $
*
* Copyright (c)2002-2003 Mark K. Kim
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the original author of this software nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "getopt.h"
#include <stddef.h>
#include <string.h>
/* 2013-01-06 Camilla Berglund <elmindreda@elmindreda.org>
*
* Only define _CRT_SECURE_NO_WARNINGS if not already defined.
*/
/* 2012-08-12 Lambert Clara <lambert.clara@yahoo.fr>
*
* Constify third argument of getopt.
*/
/* 2011-07-27 Camilla Berglund <elmindreda@elmindreda.org>
*
* Added _CRT_SECURE_NO_WARNINGS macro.
*/
/* 2009-10-12 Camilla Berglund <elmindreda@elmindreda.org>
*
* Removed unused global static variable 'ID'.
*/
const int no_argument = 0;
const int required_argument = 1;
const int optional_argument = 2;
char* optarg = NULL;
int optind = 0;
int opterr = 1;
int optopt = '?';
char* optarg;
int optopt;
/* The variable optind [...] shall be initialized to 1 by the system. */
int optind = 1;
int opterr;
static char* optcursor = NULL;
static char** prev_argv = NULL; /* Keep a copy of argv and argc to */
static int prev_argc = 0; /* tell if getopt params change */
static int argv_index = 0; /* Option we're checking */
static int argv_index2 = 0; /* Option argument we're checking */
static int opt_offset = 0; /* Index into compounded "-option" */
static int dashdash = 0; /* True if "--" option reached */
static int nonopt = 0; /* How many nonopts we've found */
/* Implemented based on [1] and [2] for optional arguments.
optopt is handled FreeBSD-style, per [3].
Other GNU and FreeBSD extensions are purely accidental.
[1] http://pubs.opengroup.org/onlinepubs/000095399/functions/getopt.html
[2] http://www.kernel.org/doc/man-pages/online/pages/man3/getopt.3.html
[3] http://www.freebsd.org/cgi/man.cgi?query=getopt&sektion=3&manpath=FreeBSD+9.0-RELEASE
*/
int getopt(int argc, char* const argv[], const char* optstring) {
int optchar = -1;
const char* optdecl = NULL;
optarg = NULL;
opterr = 0;
optopt = 0;
/* Unspecified, but we need it to avoid overrunning the argv bounds. */
if (optind >= argc)
goto no_more_optchars;
/* If, when getopt() is called argv[optind] is a null pointer, getopt()
shall return -1 without changing optind. */
if (argv[optind] == NULL)
goto no_more_optchars;
/* If, when getopt() is called *argv[optind] is not the character '-',
getopt() shall return -1 without changing optind. */
if (*argv[optind] != '-')
goto no_more_optchars;
/* If, when getopt() is called argv[optind] points to the string "-",
getopt() shall return -1 without changing optind. */
if (strcmp(argv[optind], "-") == 0)
goto no_more_optchars;
/* If, when getopt() is called argv[optind] points to the string "--",
getopt() shall return -1 after incrementing optind. */
if (strcmp(argv[optind], "--") == 0) {
++optind;
goto no_more_optchars;
}
if (optcursor == NULL || *optcursor == '\0')
optcursor = argv[optind] + 1;
optchar = *optcursor;
/* FreeBSD: The variable optopt saves the last known option character
returned by getopt(). */
optopt = optchar;
/* The getopt() function shall return the next option character (if one is
found) from argv that matches a character in optstring, if there is
one that matches. */
optdecl = strchr(optstring, optchar);
if (optdecl) {
/* [I]f a character is followed by a colon, the option takes an
argument. */
if (optdecl[1] == ':') {
optarg = ++optcursor;
if (*optarg == '\0') {
/* GNU extension: Two colons mean an option takes an
optional arg; if there is text in the current argv-element
(i.e., in the same word as the option name itself, for example,
"-oarg"), then it is returned in optarg, otherwise optarg is set
to zero. */
if (optdecl[2] != ':') {
/* If the option was the last character in the string pointed to by
an element of argv, then optarg shall contain the next element
of argv, and optind shall be incremented by 2. If the resulting
value of optind is greater than argc, this indicates a missing
option-argument, and getopt() shall return an error indication.
Otherwise, optarg shall point to the string following the
option character in that element of argv, and optind shall be
incremented by 1.
*/
if (++optind < argc) {
optarg = argv[optind];
} else {
/* If it detects a missing option-argument, it shall return the
colon character ( ':' ) if the first character of optstring
was a colon, or a question-mark character ( '?' ) otherwise.
*/
optarg = NULL;
optchar = (optstring[0] == ':') ? ':' : '?';
}
} else {
optarg = NULL;
}
}
optcursor = NULL;
}
} else {
/* If getopt() encounters an option character that is not contained in
optstring, it shall return the question-mark ( '?' ) character. */
optchar = '?';
}
if (optcursor == NULL || *++optcursor == '\0')
++optind;
return optchar;
no_more_optchars:
optcursor = NULL;
return -1;
static void increment_index()
{
/* Move onto the next option */
if(argv_index < argv_index2)
{
while(prev_argv[++argv_index] && prev_argv[argv_index][0] != '-'
&& argv_index < argv_index2+1);
}
else argv_index++;
opt_offset = 1;
}
/* Implementation based on [1].
[1] http://www.kernel.org/doc/man-pages/online/pages/man3/getopt.3.html
/*
* Permutes argv[] so that the argument currently being processed is moved
* to the end.
*/
int getopt_long(int argc, char* const argv[], const char* optstring,
const struct option* longopts, int* longindex) {
const struct option* o = longopts;
const struct option* match = NULL;
int num_matches = 0;
size_t argument_name_length = 0;
const char* current_argument = NULL;
int retval = -1;
static int permute_argv_once()
{
/* Movability check */
if(argv_index + nonopt >= prev_argc) return 1;
/* Move the current option to the end, bring the others to front */
else
{
char* tmp = prev_argv[argv_index];
optarg = NULL;
optopt = 0;
/* Move the data */
memmove(&prev_argv[argv_index], &prev_argv[argv_index+1],
sizeof(char**) * (prev_argc - argv_index - 1));
prev_argv[prev_argc - 1] = tmp;
if (optind >= argc)
return -1;
if (strlen(argv[optind]) < 3 || strncmp(argv[optind], "--", 2) != 0)
return getopt(argc, argv, optstring);
/* It's an option; starts with -- and is longer than two chars. */
current_argument = argv[optind] + 2;
argument_name_length = strcspn(current_argument, "=");
for (; o->name; ++o) {
if (strncmp(o->name, current_argument, argument_name_length) == 0) {
match = o;
++num_matches;
}
}
if (num_matches == 1) {
/* If longindex is not NULL, it points to a variable which is set to the
index of the long option relative to longopts. */
if (longindex)
*longindex = (int) (match - longopts);
/* If flag is NULL, then getopt_long() shall return val.
Otherwise, getopt_long() returns 0, and flag shall point to a variable
which shall be set to val if the option is found, but left unchanged if
the option is not found. */
if (match->flag)
*(match->flag) = match->val;
retval = match->flag ? 0 : match->val;
if (match->has_arg != no_argument) {
optarg = strchr(argv[optind], '=');
if (optarg != NULL)
++optarg;
if (match->has_arg == required_argument) {
/* Only scan the next argv for required arguments. Behavior is not
specified, but has been observed with Ubuntu and Mac OSX. */
if (optarg == NULL && ++optind < argc) {
optarg = argv[optind];
}
if (optarg == NULL)
retval = ':';
}
} else if (strchr(argv[optind], '=')) {
/* An argument was provided to a non-argument option.
I haven't seen this specified explicitly, but both GNU and BSD-based
implementations show this behavior.
*/
retval = '?';
}
} else {
/* Unknown option or ambiguous match. */
retval = '?';
}
++optind;
return retval;
nonopt++;
return 0;
}
}
int getopt(int argc, char** argv, const char* optstr)
{
int c = 0;
/* If we have new argv, reinitialize */
if(prev_argv != argv || prev_argc != argc)
{
/* Initialize variables */
prev_argv = argv;
prev_argc = argc;
argv_index = 1;
argv_index2 = 1;
opt_offset = 1;
dashdash = 0;
nonopt = 0;
}
/* Jump point in case we want to ignore the current argv_index */
getopt_top:
/* Misc. initializations */
optarg = NULL;
/* Dash-dash check */
if(argv[argv_index] && !strcmp(argv[argv_index], "--"))
{
dashdash = 1;
increment_index();
}
/* If we're at the end of argv, that's it. */
if(argv[argv_index] == NULL)
{
c = -1;
}
/* Are we looking at a string? Single dash is also a string */
else if(dashdash || argv[argv_index][0] != '-' || !strcmp(argv[argv_index], "-"))
{
/* If we want a string... */
if(optstr[0] == '-')
{
c = 1;
optarg = argv[argv_index];
increment_index();
}
/* If we really don't want it (we're in POSIX mode), we're done */
else if(optstr[0] == '+' || getenv("POSIXLY_CORRECT"))
{
c = -1;
/* Everything else is a non-opt argument */
nonopt = argc - argv_index;
}
/* If we mildly don't want it, then move it back */
else
{
if(!permute_argv_once()) goto getopt_top;
else c = -1;
}
}
/* Otherwise we're looking at an option */
else
{
char* opt_ptr = NULL;
/* Grab the option */
c = argv[argv_index][opt_offset++];
/* Is the option in the optstr? */
if(optstr[0] == '-') opt_ptr = strchr(optstr+1, c);
else opt_ptr = strchr(optstr, c);
/* Invalid argument */
if(!opt_ptr)
{
if(opterr)
{
fprintf(stderr, "%s: invalid option -- %c\n", argv[0], c);
}
optopt = c;
c = '?';
/* Move onto the next option */
increment_index();
}
/* Option takes argument */
else if(opt_ptr[1] == ':')
{
/* ie, -oARGUMENT, -xxxoARGUMENT, etc. */
if(argv[argv_index][opt_offset] != '\0')
{
optarg = &argv[argv_index][opt_offset];
increment_index();
}
/* ie, -o ARGUMENT (only if it's a required argument) */
else if(opt_ptr[2] != ':')
{
/* One of those "you're not expected to understand this" moment */
if(argv_index2 < argv_index) argv_index2 = argv_index;
while(argv[++argv_index2] && argv[argv_index2][0] == '-');
optarg = argv[argv_index2];
/* Don't cross into the non-option argument list */
if(argv_index2 + nonopt >= prev_argc) optarg = NULL;
/* Move onto the next option */
increment_index();
}
else
{
/* Move onto the next option */
increment_index();
}
/* In case we got no argument for an option with required argument */
if(optarg == NULL && opt_ptr[2] != ':')
{
optopt = c;
c = '?';
if(opterr)
{
fprintf(stderr,"%s: option requires an argument -- %c\n",
argv[0], optopt);
}
}
}
/* Option does not take argument */
else
{
/* Next argv_index */
if(argv[argv_index][opt_offset] == '\0')
{
increment_index();
}
}
}
/* Calculate optind */
if(c == -1)
{
optind = argc - nonopt;
}
else
{
optind = argv_index;
}
return c;
}
/* vim:ts=3
*/

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@ -1,57 +1,63 @@
/* Copyright (c) 2012, Kim Gräsman
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Kim Gräsman nor the names of contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL KIM GRÄSMAN BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*****************************************************************************
* getopt.h - competent and free getopt library.
* $Header: /cvsroot/freegetopt/freegetopt/getopt.h,v 1.2 2003/10/26 03:10:20 vindaci Exp $
*
* Copyright (c)2002-2003 Mark K. Kim
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the original author of this software nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
#ifndef GETOPT_H_
#define GETOPT_H_
#ifndef INCLUDED_GETOPT_PORT_H
#define INCLUDED_GETOPT_PORT_H
#if defined(__cplusplus)
#ifdef __cplusplus
extern "C" {
#endif
extern const int no_argument;
extern const int required_argument;
extern const int optional_argument;
extern char* optarg;
extern int optind, opterr, optopt;
extern int optind;
extern int opterr;
extern int optopt;
struct option {
const char* name;
int has_arg;
int* flag;
int val;
};
int getopt(int argc, char** argv, const char* optstr);
int getopt(int argc, char* const argv[], const char* optstring);
int getopt_long(int argc, char* const argv[],
const char* optstring, const struct option* longopts, int* longindex);
#if defined(__cplusplus)
#ifdef __cplusplus
}
#endif
#endif // INCLUDED_GETOPT_PORT_H
#endif /* GETOPT_H_ */
/* vim:ts=3
*/

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#ifndef LINMATH_H
#define LINMATH_H
#include <string.h>
#include <math.h>
#include <string.h>
/* 2021-03-21 Camilla Löwy <elmindreda@elmindreda.org>
* - Replaced double constants with float equivalents
*/
#ifdef LINMATH_NO_INLINE
#define LINMATH_H_FUNC static
#else
#define LINMATH_H_FUNC static inline
#endif
#define LINMATH_H_DEFINE_VEC(n) \
typedef float vec##n[n]; \
LINMATH_H_FUNC void vec##n##_add(vec##n r, vec##n const a, vec##n const b) \
{ \
int i; \
for(i=0; i<n; ++i) \
r[i] = a[i] + b[i]; \
} \
LINMATH_H_FUNC void vec##n##_sub(vec##n r, vec##n const a, vec##n const b) \
{ \
int i; \
for(i=0; i<n; ++i) \
r[i] = a[i] - b[i]; \
} \
LINMATH_H_FUNC void vec##n##_scale(vec##n r, vec##n const v, float const s) \
{ \
int i; \
for(i=0; i<n; ++i) \
r[i] = v[i] * s; \
} \
LINMATH_H_FUNC float vec##n##_mul_inner(vec##n const a, vec##n const b) \
{ \
float p = 0.f; \
int i; \
for(i=0; i<n; ++i) \
p += b[i]*a[i]; \
return p; \
} \
LINMATH_H_FUNC float vec##n##_len(vec##n const v) \
{ \
return sqrtf(vec##n##_mul_inner(v,v)); \
} \
LINMATH_H_FUNC void vec##n##_norm(vec##n r, vec##n const v) \
{ \
float k = 1.f / vec##n##_len(v); \
vec##n##_scale(r, v, k); \
} \
LINMATH_H_FUNC void vec##n##_min(vec##n r, vec##n const a, vec##n const b) \
{ \
int i; \
for(i=0; i<n; ++i) \
r[i] = a[i]<b[i] ? a[i] : b[i]; \
} \
LINMATH_H_FUNC void vec##n##_max(vec##n r, vec##n const a, vec##n const b) \
{ \
int i; \
for(i=0; i<n; ++i) \
r[i] = a[i]>b[i] ? a[i] : b[i]; \
} \
LINMATH_H_FUNC void vec##n##_dup(vec##n r, vec##n const src) \
{ \
int i; \
for(i=0; i<n; ++i) \
r[i] = src[i]; \
}
LINMATH_H_DEFINE_VEC(2)
LINMATH_H_DEFINE_VEC(3)
LINMATH_H_DEFINE_VEC(4)
LINMATH_H_FUNC void vec3_mul_cross(vec3 r, vec3 const a, vec3 const b)
{
r[0] = a[1]*b[2] - a[2]*b[1];
r[1] = a[2]*b[0] - a[0]*b[2];
r[2] = a[0]*b[1] - a[1]*b[0];
}
LINMATH_H_FUNC void vec3_reflect(vec3 r, vec3 const v, vec3 const n)
{
float p = 2.f * vec3_mul_inner(v, n);
int i;
for(i=0;i<3;++i)
r[i] = v[i] - p*n[i];
}
LINMATH_H_FUNC void vec4_mul_cross(vec4 r, vec4 const a, vec4 const b)
{
r[0] = a[1]*b[2] - a[2]*b[1];
r[1] = a[2]*b[0] - a[0]*b[2];
r[2] = a[0]*b[1] - a[1]*b[0];
r[3] = 1.f;
}
LINMATH_H_FUNC void vec4_reflect(vec4 r, vec4 const v, vec4 const n)
{
float p = 2.f*vec4_mul_inner(v, n);
int i;
for(i=0;i<4;++i)
r[i] = v[i] - p*n[i];
}
typedef vec4 mat4x4[4];
LINMATH_H_FUNC void mat4x4_identity(mat4x4 M)
{
int i, j;
for(i=0; i<4; ++i)
for(j=0; j<4; ++j)
M[i][j] = i==j ? 1.f : 0.f;
}
LINMATH_H_FUNC void mat4x4_dup(mat4x4 M, mat4x4 const N)
{
int i;
for(i=0; i<4; ++i)
vec4_dup(M[i], N[i]);
}
LINMATH_H_FUNC void mat4x4_row(vec4 r, mat4x4 const M, int i)
{
int k;
for(k=0; k<4; ++k)
r[k] = M[k][i];
}
LINMATH_H_FUNC void mat4x4_col(vec4 r, mat4x4 const M, int i)
{
int k;
for(k=0; k<4; ++k)
r[k] = M[i][k];
}
LINMATH_H_FUNC void mat4x4_transpose(mat4x4 M, mat4x4 const N)
{
// Note: if M and N are the same, the user has to
// explicitly make a copy of M and set it to N.
int i, j;
for(j=0; j<4; ++j)
for(i=0; i<4; ++i)
M[i][j] = N[j][i];
}
LINMATH_H_FUNC void mat4x4_add(mat4x4 M, mat4x4 const a, mat4x4 const b)
{
int i;
for(i=0; i<4; ++i)
vec4_add(M[i], a[i], b[i]);
}
LINMATH_H_FUNC void mat4x4_sub(mat4x4 M, mat4x4 const a, mat4x4 const b)
{
int i;
for(i=0; i<4; ++i)
vec4_sub(M[i], a[i], b[i]);
}
LINMATH_H_FUNC void mat4x4_scale(mat4x4 M, mat4x4 const a, float k)
{
int i;
for(i=0; i<4; ++i)
vec4_scale(M[i], a[i], k);
}
LINMATH_H_FUNC void mat4x4_scale_aniso(mat4x4 M, mat4x4 const a, float x, float y, float z)
{
vec4_scale(M[0], a[0], x);
vec4_scale(M[1], a[1], y);
vec4_scale(M[2], a[2], z);
vec4_dup(M[3], a[3]);
}
LINMATH_H_FUNC void mat4x4_mul(mat4x4 M, mat4x4 const a, mat4x4 const b)
{
mat4x4 temp;
int k, r, c;
for(c=0; c<4; ++c) for(r=0; r<4; ++r) {
temp[c][r] = 0.f;
for(k=0; k<4; ++k)
temp[c][r] += a[k][r] * b[c][k];
}
mat4x4_dup(M, temp);
}
LINMATH_H_FUNC void mat4x4_mul_vec4(vec4 r, mat4x4 const M, vec4 const v)
{
int i, j;
for(j=0; j<4; ++j) {
r[j] = 0.f;
for(i=0; i<4; ++i)
r[j] += M[i][j] * v[i];
}
}
LINMATH_H_FUNC void mat4x4_translate(mat4x4 T, float x, float y, float z)
{
mat4x4_identity(T);
T[3][0] = x;
T[3][1] = y;
T[3][2] = z;
}
LINMATH_H_FUNC void mat4x4_translate_in_place(mat4x4 M, float x, float y, float z)
{
vec4 t = {x, y, z, 0};
vec4 r;
int i;
for (i = 0; i < 4; ++i) {
mat4x4_row(r, M, i);
M[3][i] += vec4_mul_inner(r, t);
}
}
LINMATH_H_FUNC void mat4x4_from_vec3_mul_outer(mat4x4 M, vec3 const a, vec3 const b)
{
int i, j;
for(i=0; i<4; ++i) for(j=0; j<4; ++j)
M[i][j] = i<3 && j<3 ? a[i] * b[j] : 0.f;
}
LINMATH_H_FUNC void mat4x4_rotate(mat4x4 R, mat4x4 const M, float x, float y, float z, float angle)
{
float s = sinf(angle);
float c = cosf(angle);
vec3 u = {x, y, z};
if(vec3_len(u) > 1e-4) {
vec3_norm(u, u);
mat4x4 T;
mat4x4_from_vec3_mul_outer(T, u, u);
mat4x4 S = {
{ 0, u[2], -u[1], 0},
{-u[2], 0, u[0], 0},
{ u[1], -u[0], 0, 0},
{ 0, 0, 0, 0}
};
mat4x4_scale(S, S, s);
mat4x4 C;
mat4x4_identity(C);
mat4x4_sub(C, C, T);
mat4x4_scale(C, C, c);
mat4x4_add(T, T, C);
mat4x4_add(T, T, S);
T[3][3] = 1.f;
mat4x4_mul(R, M, T);
} else {
mat4x4_dup(R, M);
}
}
LINMATH_H_FUNC void mat4x4_rotate_X(mat4x4 Q, mat4x4 const M, float angle)
{
float s = sinf(angle);
float c = cosf(angle);
mat4x4 R = {
{1.f, 0.f, 0.f, 0.f},
{0.f, c, s, 0.f},
{0.f, -s, c, 0.f},
{0.f, 0.f, 0.f, 1.f}
};
mat4x4_mul(Q, M, R);
}
LINMATH_H_FUNC void mat4x4_rotate_Y(mat4x4 Q, mat4x4 const M, float angle)
{
float s = sinf(angle);
float c = cosf(angle);
mat4x4 R = {
{ c, 0.f, -s, 0.f},
{ 0.f, 1.f, 0.f, 0.f},
{ s, 0.f, c, 0.f},
{ 0.f, 0.f, 0.f, 1.f}
};
mat4x4_mul(Q, M, R);
}
LINMATH_H_FUNC void mat4x4_rotate_Z(mat4x4 Q, mat4x4 const M, float angle)
{
float s = sinf(angle);
float c = cosf(angle);
mat4x4 R = {
{ c, s, 0.f, 0.f},
{ -s, c, 0.f, 0.f},
{ 0.f, 0.f, 1.f, 0.f},
{ 0.f, 0.f, 0.f, 1.f}
};
mat4x4_mul(Q, M, R);
}
LINMATH_H_FUNC void mat4x4_invert(mat4x4 T, mat4x4 const M)
{
float s[6];
float c[6];
s[0] = M[0][0]*M[1][1] - M[1][0]*M[0][1];
s[1] = M[0][0]*M[1][2] - M[1][0]*M[0][2];
s[2] = M[0][0]*M[1][3] - M[1][0]*M[0][3];
s[3] = M[0][1]*M[1][2] - M[1][1]*M[0][2];
s[4] = M[0][1]*M[1][3] - M[1][1]*M[0][3];
s[5] = M[0][2]*M[1][3] - M[1][2]*M[0][3];
c[0] = M[2][0]*M[3][1] - M[3][0]*M[2][1];
c[1] = M[2][0]*M[3][2] - M[3][0]*M[2][2];
c[2] = M[2][0]*M[3][3] - M[3][0]*M[2][3];
c[3] = M[2][1]*M[3][2] - M[3][1]*M[2][2];
c[4] = M[2][1]*M[3][3] - M[3][1]*M[2][3];
c[5] = M[2][2]*M[3][3] - M[3][2]*M[2][3];
/* Assumes it is invertible */
float idet = 1.0f/( s[0]*c[5]-s[1]*c[4]+s[2]*c[3]+s[3]*c[2]-s[4]*c[1]+s[5]*c[0] );
T[0][0] = ( M[1][1] * c[5] - M[1][2] * c[4] + M[1][3] * c[3]) * idet;
T[0][1] = (-M[0][1] * c[5] + M[0][2] * c[4] - M[0][3] * c[3]) * idet;
T[0][2] = ( M[3][1] * s[5] - M[3][2] * s[4] + M[3][3] * s[3]) * idet;
T[0][3] = (-M[2][1] * s[5] + M[2][2] * s[4] - M[2][3] * s[3]) * idet;
T[1][0] = (-M[1][0] * c[5] + M[1][2] * c[2] - M[1][3] * c[1]) * idet;
T[1][1] = ( M[0][0] * c[5] - M[0][2] * c[2] + M[0][3] * c[1]) * idet;
T[1][2] = (-M[3][0] * s[5] + M[3][2] * s[2] - M[3][3] * s[1]) * idet;
T[1][3] = ( M[2][0] * s[5] - M[2][2] * s[2] + M[2][3] * s[1]) * idet;
T[2][0] = ( M[1][0] * c[4] - M[1][1] * c[2] + M[1][3] * c[0]) * idet;
T[2][1] = (-M[0][0] * c[4] + M[0][1] * c[2] - M[0][3] * c[0]) * idet;
T[2][2] = ( M[3][0] * s[4] - M[3][1] * s[2] + M[3][3] * s[0]) * idet;
T[2][3] = (-M[2][0] * s[4] + M[2][1] * s[2] - M[2][3] * s[0]) * idet;
T[3][0] = (-M[1][0] * c[3] + M[1][1] * c[1] - M[1][2] * c[0]) * idet;
T[3][1] = ( M[0][0] * c[3] - M[0][1] * c[1] + M[0][2] * c[0]) * idet;
T[3][2] = (-M[3][0] * s[3] + M[3][1] * s[1] - M[3][2] * s[0]) * idet;
T[3][3] = ( M[2][0] * s[3] - M[2][1] * s[1] + M[2][2] * s[0]) * idet;
}
LINMATH_H_FUNC void mat4x4_orthonormalize(mat4x4 R, mat4x4 const M)
{
mat4x4_dup(R, M);
float s = 1.f;
vec3 h;
vec3_norm(R[2], R[2]);
s = vec3_mul_inner(R[1], R[2]);
vec3_scale(h, R[2], s);
vec3_sub(R[1], R[1], h);
vec3_norm(R[1], R[1]);
s = vec3_mul_inner(R[0], R[2]);
vec3_scale(h, R[2], s);
vec3_sub(R[0], R[0], h);
s = vec3_mul_inner(R[0], R[1]);
vec3_scale(h, R[1], s);
vec3_sub(R[0], R[0], h);
vec3_norm(R[0], R[0]);
}
LINMATH_H_FUNC void mat4x4_frustum(mat4x4 M, float l, float r, float b, float t, float n, float f)
{
M[0][0] = 2.f*n/(r-l);
M[0][1] = M[0][2] = M[0][3] = 0.f;
M[1][1] = 2.f*n/(t-b);
M[1][0] = M[1][2] = M[1][3] = 0.f;
M[2][0] = (r+l)/(r-l);
M[2][1] = (t+b)/(t-b);
M[2][2] = -(f+n)/(f-n);
M[2][3] = -1.f;
M[3][2] = -2.f*(f*n)/(f-n);
M[3][0] = M[3][1] = M[3][3] = 0.f;
}
LINMATH_H_FUNC void mat4x4_ortho(mat4x4 M, float l, float r, float b, float t, float n, float f)
{
M[0][0] = 2.f/(r-l);
M[0][1] = M[0][2] = M[0][3] = 0.f;
M[1][1] = 2.f/(t-b);
M[1][0] = M[1][2] = M[1][3] = 0.f;
M[2][2] = -2.f/(f-n);
M[2][0] = M[2][1] = M[2][3] = 0.f;
M[3][0] = -(r+l)/(r-l);
M[3][1] = -(t+b)/(t-b);
M[3][2] = -(f+n)/(f-n);
M[3][3] = 1.f;
}
LINMATH_H_FUNC void mat4x4_perspective(mat4x4 m, float y_fov, float aspect, float n, float f)
{
/* NOTE: Degrees are an unhandy unit to work with.
* linmath.h uses radians for everything! */
float const a = 1.f / tanf(y_fov / 2.f);
m[0][0] = a / aspect;
m[0][1] = 0.f;
m[0][2] = 0.f;
m[0][3] = 0.f;
m[1][0] = 0.f;
m[1][1] = a;
m[1][2] = 0.f;
m[1][3] = 0.f;
m[2][0] = 0.f;
m[2][1] = 0.f;
m[2][2] = -((f + n) / (f - n));
m[2][3] = -1.f;
m[3][0] = 0.f;
m[3][1] = 0.f;
m[3][2] = -((2.f * f * n) / (f - n));
m[3][3] = 0.f;
}
LINMATH_H_FUNC void mat4x4_look_at(mat4x4 m, vec3 const eye, vec3 const center, vec3 const up)
{
/* Adapted from Android's OpenGL Matrix.java. */
/* See the OpenGL GLUT documentation for gluLookAt for a description */
/* of the algorithm. We implement it in a straightforward way: */
/* TODO: The negation of of can be spared by swapping the order of
* operands in the following cross products in the right way. */
vec3 f;
vec3_sub(f, center, eye);
vec3_norm(f, f);
vec3 s;
vec3_mul_cross(s, f, up);
vec3_norm(s, s);
vec3 t;
vec3_mul_cross(t, s, f);
m[0][0] = s[0];
m[0][1] = t[0];
m[0][2] = -f[0];
m[0][3] = 0.f;
m[1][0] = s[1];
m[1][1] = t[1];
m[1][2] = -f[1];
m[1][3] = 0.f;
m[2][0] = s[2];
m[2][1] = t[2];
m[2][2] = -f[2];
m[2][3] = 0.f;
m[3][0] = 0.f;
m[3][1] = 0.f;
m[3][2] = 0.f;
m[3][3] = 1.f;
mat4x4_translate_in_place(m, -eye[0], -eye[1], -eye[2]);
}
typedef float quat[4];
#define quat_add vec4_add
#define quat_sub vec4_sub
#define quat_norm vec4_norm
#define quat_scale vec4_scale
#define quat_mul_inner vec4_mul_inner
LINMATH_H_FUNC void quat_identity(quat q)
{
q[0] = q[1] = q[2] = 0.f;
q[3] = 1.f;
}
LINMATH_H_FUNC void quat_mul(quat r, quat const p, quat const q)
{
vec3 w;
vec3_mul_cross(r, p, q);
vec3_scale(w, p, q[3]);
vec3_add(r, r, w);
vec3_scale(w, q, p[3]);
vec3_add(r, r, w);
r[3] = p[3]*q[3] - vec3_mul_inner(p, q);
}
LINMATH_H_FUNC void quat_conj(quat r, quat const q)
{
int i;
for(i=0; i<3; ++i)
r[i] = -q[i];
r[3] = q[3];
}
LINMATH_H_FUNC void quat_rotate(quat r, float angle, vec3 const axis) {
vec3 axis_norm;
vec3_norm(axis_norm, axis);
float s = sinf(angle / 2);
float c = cosf(angle / 2);
vec3_scale(r, axis_norm, s);
r[3] = c;
}
LINMATH_H_FUNC void quat_mul_vec3(vec3 r, quat const q, vec3 const v)
{
/*
* Method by Fabian 'ryg' Giessen (of Farbrausch)
t = 2 * cross(q.xyz, v)
v' = v + q.w * t + cross(q.xyz, t)
*/
vec3 t;
vec3 q_xyz = {q[0], q[1], q[2]};
vec3 u = {q[0], q[1], q[2]};
vec3_mul_cross(t, q_xyz, v);
vec3_scale(t, t, 2);
vec3_mul_cross(u, q_xyz, t);
vec3_scale(t, t, q[3]);
vec3_add(r, v, t);
vec3_add(r, r, u);
}
LINMATH_H_FUNC void mat4x4_from_quat(mat4x4 M, quat const q)
{
float a = q[3];
float b = q[0];
float c = q[1];
float d = q[2];
float a2 = a*a;
float b2 = b*b;
float c2 = c*c;
float d2 = d*d;
M[0][0] = a2 + b2 - c2 - d2;
M[0][1] = 2.f*(b*c + a*d);
M[0][2] = 2.f*(b*d - a*c);
M[0][3] = 0.f;
M[1][0] = 2*(b*c - a*d);
M[1][1] = a2 - b2 + c2 - d2;
M[1][2] = 2.f*(c*d + a*b);
M[1][3] = 0.f;
M[2][0] = 2.f*(b*d + a*c);
M[2][1] = 2.f*(c*d - a*b);
M[2][2] = a2 - b2 - c2 + d2;
M[2][3] = 0.f;
M[3][0] = M[3][1] = M[3][2] = 0.f;
M[3][3] = 1.f;
}
LINMATH_H_FUNC void mat4x4o_mul_quat(mat4x4 R, mat4x4 const M, quat const q)
{
/* XXX: The way this is written only works for orthogonal matrices. */
/* TODO: Take care of non-orthogonal case. */
quat_mul_vec3(R[0], q, M[0]);
quat_mul_vec3(R[1], q, M[1]);
quat_mul_vec3(R[2], q, M[2]);
R[3][0] = R[3][1] = R[3][2] = 0.f;
R[0][3] = M[0][3];
R[1][3] = M[1][3];
R[2][3] = M[2][3];
R[3][3] = M[3][3]; // typically 1.0, but here we make it general
}
LINMATH_H_FUNC void quat_from_mat4x4(quat q, mat4x4 const M)
{
float r=0.f;
int i;
int perm[] = { 0, 1, 2, 0, 1 };
int *p = perm;
for(i = 0; i<3; i++) {
float m = M[i][i];
if( m < r )
continue;
m = r;
p = &perm[i];
}
r = sqrtf(1.f + M[p[0]][p[0]] - M[p[1]][p[1]] - M[p[2]][p[2]] );
if(r < 1e-6) {
q[0] = 1.f;
q[1] = q[2] = q[3] = 0.f;
return;
}
q[0] = r/2.f;
q[1] = (M[p[0]][p[1]] - M[p[1]][p[0]])/(2.f*r);
q[2] = (M[p[2]][p[0]] - M[p[0]][p[2]])/(2.f*r);
q[3] = (M[p[2]][p[1]] - M[p[1]][p[2]])/(2.f*r);
}
LINMATH_H_FUNC void mat4x4_arcball(mat4x4 R, mat4x4 const M, vec2 const _a, vec2 const _b, float s)
{
vec2 a; memcpy(a, _a, sizeof(a));
vec2 b; memcpy(b, _b, sizeof(b));
float z_a = 0.f;
float z_b = 0.f;
if(vec2_len(a) < 1.f) {
z_a = sqrtf(1.f - vec2_mul_inner(a, a));
} else {
vec2_norm(a, a);
}
if(vec2_len(b) < 1.f) {
z_b = sqrtf(1.f - vec2_mul_inner(b, b));
} else {
vec2_norm(b, b);
}
vec3 a_ = {a[0], a[1], z_a};
vec3 b_ = {b[0], b[1], z_b};
vec3 c_;
vec3_mul_cross(c_, a_, b_);
float const angle = acos(vec3_mul_inner(a_, b_)) * s;
mat4x4_rotate(R, M, c_[0], c_[1], c_[2], angle);
}
#endif

117
deps/mingw/_mingw_dxhelper.h vendored
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@ -1,117 +0,0 @@
/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER within this package.
*/
#if defined(_MSC_VER) && !defined(_MSC_EXTENSIONS)
#define NONAMELESSUNION 1
#endif
#if defined(NONAMELESSSTRUCT) && \
!defined(NONAMELESSUNION)
#define NONAMELESSUNION 1
#endif
#if defined(NONAMELESSUNION) && \
!defined(NONAMELESSSTRUCT)
#define NONAMELESSSTRUCT 1
#endif
#if !defined(__GNU_EXTENSION)
#if defined(__GNUC__) || defined(__GNUG__)
#define __GNU_EXTENSION __extension__
#else
#define __GNU_EXTENSION
#endif
#endif /* __extension__ */
#ifndef __ANONYMOUS_DEFINED
#define __ANONYMOUS_DEFINED
#if defined(__GNUC__) || defined(__GNUG__)
#define _ANONYMOUS_UNION __extension__
#define _ANONYMOUS_STRUCT __extension__
#else
#define _ANONYMOUS_UNION
#define _ANONYMOUS_STRUCT
#endif
#ifndef NONAMELESSUNION
#define _UNION_NAME(x)
#define _STRUCT_NAME(x)
#else /* NONAMELESSUNION */
#define _UNION_NAME(x) x
#define _STRUCT_NAME(x) x
#endif
#endif /* __ANONYMOUS_DEFINED */
#ifndef DUMMYUNIONNAME
# ifdef NONAMELESSUNION
# define DUMMYUNIONNAME u
# define DUMMYUNIONNAME1 u1 /* Wine uses this variant */
# define DUMMYUNIONNAME2 u2
# define DUMMYUNIONNAME3 u3
# define DUMMYUNIONNAME4 u4
# define DUMMYUNIONNAME5 u5
# define DUMMYUNIONNAME6 u6
# define DUMMYUNIONNAME7 u7
# define DUMMYUNIONNAME8 u8
# define DUMMYUNIONNAME9 u9
# else /* NONAMELESSUNION */
# define DUMMYUNIONNAME
# define DUMMYUNIONNAME1 /* Wine uses this variant */
# define DUMMYUNIONNAME2
# define DUMMYUNIONNAME3
# define DUMMYUNIONNAME4
# define DUMMYUNIONNAME5
# define DUMMYUNIONNAME6
# define DUMMYUNIONNAME7
# define DUMMYUNIONNAME8
# define DUMMYUNIONNAME9
# endif
#endif /* DUMMYUNIONNAME */
#if !defined(DUMMYUNIONNAME1) /* MinGW does not define this one */
# ifdef NONAMELESSUNION
# define DUMMYUNIONNAME1 u1 /* Wine uses this variant */
# else
# define DUMMYUNIONNAME1 /* Wine uses this variant */
# endif
#endif /* DUMMYUNIONNAME1 */
#ifndef DUMMYSTRUCTNAME
# ifdef NONAMELESSUNION
# define DUMMYSTRUCTNAME s
# define DUMMYSTRUCTNAME1 s1 /* Wine uses this variant */
# define DUMMYSTRUCTNAME2 s2
# define DUMMYSTRUCTNAME3 s3
# define DUMMYSTRUCTNAME4 s4
# define DUMMYSTRUCTNAME5 s5
# else
# define DUMMYSTRUCTNAME
# define DUMMYSTRUCTNAME1 /* Wine uses this variant */
# define DUMMYSTRUCTNAME2
# define DUMMYSTRUCTNAME3
# define DUMMYSTRUCTNAME4
# define DUMMYSTRUCTNAME5
# endif
#endif /* DUMMYSTRUCTNAME */
/* These are for compatibility with the Wine source tree */
#ifndef WINELIB_NAME_AW
# ifdef __MINGW_NAME_AW
# define WINELIB_NAME_AW __MINGW_NAME_AW
# else
# ifdef UNICODE
# define WINELIB_NAME_AW(func) func##W
# else
# define WINELIB_NAME_AW(func) func##A
# endif
# endif
#endif /* WINELIB_NAME_AW */
#ifndef DECL_WINELIB_TYPE_AW
# ifdef __MINGW_TYPEDEF_AW
# define DECL_WINELIB_TYPE_AW __MINGW_TYPEDEF_AW
# else
# define DECL_WINELIB_TYPE_AW(type) typedef WINELIB_NAME_AW(type) type;
# endif
#endif /* DECL_WINELIB_TYPE_AW */

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/*
* The Wine project - Xinput Joystick Library
* Copyright 2008 Andrew Fenn
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __WINE_XINPUT_H
#define __WINE_XINPUT_H
#include <windef.h>
/*
* Bitmasks for the joysticks buttons, determines what has
* been pressed on the joystick, these need to be mapped
* to whatever device you're using instead of an xbox 360
* joystick
*/
#define XINPUT_GAMEPAD_DPAD_UP 0x0001
#define XINPUT_GAMEPAD_DPAD_DOWN 0x0002
#define XINPUT_GAMEPAD_DPAD_LEFT 0x0004
#define XINPUT_GAMEPAD_DPAD_RIGHT 0x0008
#define XINPUT_GAMEPAD_START 0x0010
#define XINPUT_GAMEPAD_BACK 0x0020
#define XINPUT_GAMEPAD_LEFT_THUMB 0x0040
#define XINPUT_GAMEPAD_RIGHT_THUMB 0x0080
#define XINPUT_GAMEPAD_LEFT_SHOULDER 0x0100
#define XINPUT_GAMEPAD_RIGHT_SHOULDER 0x0200
#define XINPUT_GAMEPAD_A 0x1000
#define XINPUT_GAMEPAD_B 0x2000
#define XINPUT_GAMEPAD_X 0x4000
#define XINPUT_GAMEPAD_Y 0x8000
/*
* Defines the flags used to determine if the user is pushing
* down on a button, not holding a button, etc
*/
#define XINPUT_KEYSTROKE_KEYDOWN 0x0001
#define XINPUT_KEYSTROKE_KEYUP 0x0002
#define XINPUT_KEYSTROKE_REPEAT 0x0004
/*
* Defines the codes which are returned by XInputGetKeystroke
*/
#define VK_PAD_A 0x5800
#define VK_PAD_B 0x5801
#define VK_PAD_X 0x5802
#define VK_PAD_Y 0x5803
#define VK_PAD_RSHOULDER 0x5804
#define VK_PAD_LSHOULDER 0x5805
#define VK_PAD_LTRIGGER 0x5806
#define VK_PAD_RTRIGGER 0x5807
#define VK_PAD_DPAD_UP 0x5810
#define VK_PAD_DPAD_DOWN 0x5811
#define VK_PAD_DPAD_LEFT 0x5812
#define VK_PAD_DPAD_RIGHT 0x5813
#define VK_PAD_START 0x5814
#define VK_PAD_BACK 0x5815
#define VK_PAD_LTHUMB_PRESS 0x5816
#define VK_PAD_RTHUMB_PRESS 0x5817
#define VK_PAD_LTHUMB_UP 0x5820
#define VK_PAD_LTHUMB_DOWN 0x5821
#define VK_PAD_LTHUMB_RIGHT 0x5822
#define VK_PAD_LTHUMB_LEFT 0x5823
#define VK_PAD_LTHUMB_UPLEFT 0x5824
#define VK_PAD_LTHUMB_UPRIGHT 0x5825
#define VK_PAD_LTHUMB_DOWNRIGHT 0x5826
#define VK_PAD_LTHUMB_DOWNLEFT 0x5827
#define VK_PAD_RTHUMB_UP 0x5830
#define VK_PAD_RTHUMB_DOWN 0x5831
#define VK_PAD_RTHUMB_RIGHT 0x5832
#define VK_PAD_RTHUMB_LEFT 0x5833
#define VK_PAD_RTHUMB_UPLEFT 0x5834
#define VK_PAD_RTHUMB_UPRIGHT 0x5835
#define VK_PAD_RTHUMB_DOWNRIGHT 0x5836
#define VK_PAD_RTHUMB_DOWNLEFT 0x5837
/*
* Deadzones are for analogue joystick controls on the joypad
* which determine when input should be assumed to be in the
* middle of the pad. This is a threshold to stop a joypad
* controlling the game when the player isn't touching the
* controls.
*/
#define XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE 7849
#define XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE 8689
#define XINPUT_GAMEPAD_TRIGGER_THRESHOLD 30
/*
* Defines what type of abilities the type of joystick has
* DEVTYPE_GAMEPAD is available for all joysticks, however
* there may be more specific identifiers for other joysticks
* which are being used.
*/
#define XINPUT_DEVTYPE_GAMEPAD 0x01
#define XINPUT_DEVSUBTYPE_GAMEPAD 0x01
#define XINPUT_DEVSUBTYPE_WHEEL 0x02
#define XINPUT_DEVSUBTYPE_ARCADE_STICK 0x03
#define XINPUT_DEVSUBTYPE_FLIGHT_SICK 0x04
#define XINPUT_DEVSUBTYPE_DANCE_PAD 0x05
#define XINPUT_DEVSUBTYPE_GUITAR 0x06
#define XINPUT_DEVSUBTYPE_DRUM_KIT 0x08
/*
* These are used with the XInputGetCapabilities function to
* determine the abilities to the joystick which has been
* plugged in.
*/
#define XINPUT_CAPS_VOICE_SUPPORTED 0x0004
#define XINPUT_FLAG_GAMEPAD 0x00000001
/*
* Defines the status of the battery if one is used in the
* attached joystick. The first two define if the joystick
* supports a battery. Disconnected means that the joystick
* isn't connected. Wired shows that the joystick is a wired
* joystick.
*/
#define BATTERY_DEVTYPE_GAMEPAD 0x00
#define BATTERY_DEVTYPE_HEADSET 0x01
#define BATTERY_TYPE_DISCONNECTED 0x00
#define BATTERY_TYPE_WIRED 0x01
#define BATTERY_TYPE_ALKALINE 0x02
#define BATTERY_TYPE_NIMH 0x03
#define BATTERY_TYPE_UNKNOWN 0xFF
#define BATTERY_LEVEL_EMPTY 0x00
#define BATTERY_LEVEL_LOW 0x01
#define BATTERY_LEVEL_MEDIUM 0x02
#define BATTERY_LEVEL_FULL 0x03
/*
* How many joysticks can be used with this library. Games that
* use the xinput library will not go over this number.
*/
#define XUSER_MAX_COUNT 4
#define XUSER_INDEX_ANY 0x000000FF
/*
* Defines the structure of an xbox 360 joystick.
*/
typedef struct _XINPUT_GAMEPAD {
WORD wButtons;
BYTE bLeftTrigger;
BYTE bRightTrigger;
SHORT sThumbLX;
SHORT sThumbLY;
SHORT sThumbRX;
SHORT sThumbRY;
} XINPUT_GAMEPAD, *PXINPUT_GAMEPAD;
typedef struct _XINPUT_STATE {
DWORD dwPacketNumber;
XINPUT_GAMEPAD Gamepad;
} XINPUT_STATE, *PXINPUT_STATE;
/*
* Defines the structure of how much vibration is set on both the
* right and left motors in a joystick. If you're not using a 360
* joystick you will have to map these to your device.
*/
typedef struct _XINPUT_VIBRATION {
WORD wLeftMotorSpeed;
WORD wRightMotorSpeed;
} XINPUT_VIBRATION, *PXINPUT_VIBRATION;
/*
* Defines the structure for what kind of abilities the joystick has
* such abilities are things such as if the joystick has the ability
* to send and receive audio, if the joystick is in fact a driving
* wheel or perhaps if the joystick is some kind of dance pad or
* guitar.
*/
typedef struct _XINPUT_CAPABILITIES {
BYTE Type;
BYTE SubType;
WORD Flags;
XINPUT_GAMEPAD Gamepad;
XINPUT_VIBRATION Vibration;
} XINPUT_CAPABILITIES, *PXINPUT_CAPABILITIES;
/*
* Defines the structure for a joystick input event which is
* retrieved using the function XInputGetKeystroke
*/
typedef struct _XINPUT_KEYSTROKE {
WORD VirtualKey;
WCHAR Unicode;
WORD Flags;
BYTE UserIndex;
BYTE HidCode;
} XINPUT_KEYSTROKE, *PXINPUT_KEYSTROKE;
typedef struct _XINPUT_BATTERY_INFORMATION
{
BYTE BatteryType;
BYTE BatteryLevel;
} XINPUT_BATTERY_INFORMATION, *PXINPUT_BATTERY_INFORMATION;
#ifdef __cplusplus
extern "C" {
#endif
void WINAPI XInputEnable(WINBOOL);
DWORD WINAPI XInputSetState(DWORD, XINPUT_VIBRATION*);
DWORD WINAPI XInputGetState(DWORD, XINPUT_STATE*);
DWORD WINAPI XInputGetKeystroke(DWORD, DWORD, PXINPUT_KEYSTROKE);
DWORD WINAPI XInputGetCapabilities(DWORD, DWORD, XINPUT_CAPABILITIES*);
DWORD WINAPI XInputGetDSoundAudioDeviceGuids(DWORD, GUID*, GUID*);
DWORD WINAPI XInputGetBatteryInformation(DWORD, BYTE, XINPUT_BATTERY_INFORMATION*);
#ifdef __cplusplus
}
#endif
#endif /* __WINE_XINPUT_H */

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/*
* Nuklear - v1.32.0 - public domain
* no warrenty implied; use at your own risk.
* authored from 2015-2017 by Micha Mettke
*/
/*
* ==============================================================
*
* API
*
* ===============================================================
*/
#ifndef NK_GLFW_GL2_H_
#define NK_GLFW_GL2_H_
#include <GLFW/glfw3.h>
enum nk_glfw_init_state{
NK_GLFW3_DEFAULT = 0,
NK_GLFW3_INSTALL_CALLBACKS
};
NK_API struct nk_context* nk_glfw3_init(GLFWwindow *win, enum nk_glfw_init_state);
NK_API void nk_glfw3_font_stash_begin(struct nk_font_atlas **atlas);
NK_API void nk_glfw3_font_stash_end(void);
NK_API void nk_glfw3_new_frame(void);
NK_API void nk_glfw3_render(enum nk_anti_aliasing);
NK_API void nk_glfw3_shutdown(void);
NK_API void nk_glfw3_char_callback(GLFWwindow *win, unsigned int codepoint);
NK_API void nk_gflw3_scroll_callback(GLFWwindow *win, double xoff, double yoff);
#endif
/*
* ==============================================================
*
* IMPLEMENTATION
*
* ===============================================================
*/
#ifdef NK_GLFW_GL2_IMPLEMENTATION
#ifndef NK_GLFW_TEXT_MAX
#define NK_GLFW_TEXT_MAX 256
#endif
#ifndef NK_GLFW_DOUBLE_CLICK_LO
#define NK_GLFW_DOUBLE_CLICK_LO 0.02
#endif
#ifndef NK_GLFW_DOUBLE_CLICK_HI
#define NK_GLFW_DOUBLE_CLICK_HI 0.2
#endif
struct nk_glfw_device {
struct nk_buffer cmds;
struct nk_draw_null_texture null;
GLuint font_tex;
};
struct nk_glfw_vertex {
float position[2];
float uv[2];
nk_byte col[4];
};
static struct nk_glfw {
GLFWwindow *win;
int width, height;
int display_width, display_height;
struct nk_glfw_device ogl;
struct nk_context ctx;
struct nk_font_atlas atlas;
struct nk_vec2 fb_scale;
unsigned int text[NK_GLFW_TEXT_MAX];
int text_len;
struct nk_vec2 scroll;
double last_button_click;
int is_double_click_down;
struct nk_vec2 double_click_pos;
} glfw;
NK_INTERN void
nk_glfw3_device_upload_atlas(const void *image, int width, int height)
{
struct nk_glfw_device *dev = &glfw.ogl;
glGenTextures(1, &dev->font_tex);
glBindTexture(GL_TEXTURE_2D, dev->font_tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, (GLsizei)width, (GLsizei)height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, image);
}
NK_API void
nk_glfw3_render(enum nk_anti_aliasing AA)
{
/* setup global state */
struct nk_glfw_device *dev = &glfw.ogl;
glPushAttrib(GL_ENABLE_BIT|GL_COLOR_BUFFER_BIT|GL_TRANSFORM_BIT);
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
glEnable(GL_SCISSOR_TEST);
glEnable(GL_BLEND);
glEnable(GL_TEXTURE_2D);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
/* setup viewport/project */
glViewport(0,0,(GLsizei)glfw.display_width,(GLsizei)glfw.display_height);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0.0f, glfw.width, glfw.height, 0.0f, -1.0f, 1.0f);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
{
GLsizei vs = sizeof(struct nk_glfw_vertex);
size_t vp = offsetof(struct nk_glfw_vertex, position);
size_t vt = offsetof(struct nk_glfw_vertex, uv);
size_t vc = offsetof(struct nk_glfw_vertex, col);
/* convert from command queue into draw list and draw to screen */
const struct nk_draw_command *cmd;
const nk_draw_index *offset = NULL;
struct nk_buffer vbuf, ebuf;
/* fill convert configuration */
struct nk_convert_config config;
static const struct nk_draw_vertex_layout_element vertex_layout[] = {
{NK_VERTEX_POSITION, NK_FORMAT_FLOAT, NK_OFFSETOF(struct nk_glfw_vertex, position)},
{NK_VERTEX_TEXCOORD, NK_FORMAT_FLOAT, NK_OFFSETOF(struct nk_glfw_vertex, uv)},
{NK_VERTEX_COLOR, NK_FORMAT_R8G8B8A8, NK_OFFSETOF(struct nk_glfw_vertex, col)},
{NK_VERTEX_LAYOUT_END}
};
NK_MEMSET(&config, 0, sizeof(config));
config.vertex_layout = vertex_layout;
config.vertex_size = sizeof(struct nk_glfw_vertex);
config.vertex_alignment = NK_ALIGNOF(struct nk_glfw_vertex);
config.null = dev->null;
config.circle_segment_count = 22;
config.curve_segment_count = 22;
config.arc_segment_count = 22;
config.global_alpha = 1.0f;
config.shape_AA = AA;
config.line_AA = AA;
/* convert shapes into vertexes */
nk_buffer_init_default(&vbuf);
nk_buffer_init_default(&ebuf);
nk_convert(&glfw.ctx, &dev->cmds, &vbuf, &ebuf, &config);
/* setup vertex buffer pointer */
{const void *vertices = nk_buffer_memory_const(&vbuf);
glVertexPointer(2, GL_FLOAT, vs, (const void*)((const nk_byte*)vertices + vp));
glTexCoordPointer(2, GL_FLOAT, vs, (const void*)((const nk_byte*)vertices + vt));
glColorPointer(4, GL_UNSIGNED_BYTE, vs, (const void*)((const nk_byte*)vertices + vc));}
/* iterate over and execute each draw command */
offset = (const nk_draw_index*)nk_buffer_memory_const(&ebuf);
nk_draw_foreach(cmd, &glfw.ctx, &dev->cmds)
{
if (!cmd->elem_count) continue;
glBindTexture(GL_TEXTURE_2D, (GLuint)cmd->texture.id);
glScissor(
(GLint)(cmd->clip_rect.x * glfw.fb_scale.x),
(GLint)((glfw.height - (GLint)(cmd->clip_rect.y + cmd->clip_rect.h)) * glfw.fb_scale.y),
(GLint)(cmd->clip_rect.w * glfw.fb_scale.x),
(GLint)(cmd->clip_rect.h * glfw.fb_scale.y));
glDrawElements(GL_TRIANGLES, (GLsizei)cmd->elem_count, GL_UNSIGNED_SHORT, offset);
offset += cmd->elem_count;
}
nk_clear(&glfw.ctx);
nk_buffer_free(&vbuf);
nk_buffer_free(&ebuf);
}
/* default OpenGL state */
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
glDisable(GL_SCISSOR_TEST);
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glPopAttrib();
}
NK_API void
nk_glfw3_char_callback(GLFWwindow *win, unsigned int codepoint)
{
(void)win;
if (glfw.text_len < NK_GLFW_TEXT_MAX)
glfw.text[glfw.text_len++] = codepoint;
}
NK_API void
nk_gflw3_scroll_callback(GLFWwindow *win, double xoff, double yoff)
{
(void)win; (void)xoff;
glfw.scroll.x += (float)xoff;
glfw.scroll.y += (float)yoff;
}
NK_API void
nk_glfw3_mouse_button_callback(GLFWwindow* window, int button, int action, int mods)
{
double x, y;
if (button != GLFW_MOUSE_BUTTON_LEFT) return;
glfwGetCursorPos(window, &x, &y);
if (action == GLFW_PRESS) {
double dt = glfwGetTime() - glfw.last_button_click;
if (dt > NK_GLFW_DOUBLE_CLICK_LO && dt < NK_GLFW_DOUBLE_CLICK_HI) {
glfw.is_double_click_down = nk_true;
glfw.double_click_pos = nk_vec2((float)x, (float)y);
}
glfw.last_button_click = glfwGetTime();
} else glfw.is_double_click_down = nk_false;
}
NK_INTERN void
nk_glfw3_clipboard_paste(nk_handle usr, struct nk_text_edit *edit)
{
const char *text = glfwGetClipboardString(glfw.win);
if (text) nk_textedit_paste(edit, text, nk_strlen(text));
(void)usr;
}
NK_INTERN void
nk_glfw3_clipboard_copy(nk_handle usr, const char *text, int len)
{
char *str = 0;
(void)usr;
if (!len) return;
str = (char*)malloc((size_t)len+1);
if (!str) return;
NK_MEMCPY(str, text, (size_t)len);
str[len] = '\0';
glfwSetClipboardString(glfw.win, str);
free(str);
}
NK_API struct nk_context*
nk_glfw3_init(GLFWwindow *win, enum nk_glfw_init_state init_state)
{
glfw.win = win;
if (init_state == NK_GLFW3_INSTALL_CALLBACKS) {
glfwSetScrollCallback(win, nk_gflw3_scroll_callback);
glfwSetCharCallback(win, nk_glfw3_char_callback);
glfwSetMouseButtonCallback(win, nk_glfw3_mouse_button_callback);
}
nk_init_default(&glfw.ctx, 0);
glfw.ctx.clip.copy = nk_glfw3_clipboard_copy;
glfw.ctx.clip.paste = nk_glfw3_clipboard_paste;
glfw.ctx.clip.userdata = nk_handle_ptr(0);
nk_buffer_init_default(&glfw.ogl.cmds);
glfw.is_double_click_down = nk_false;
glfw.double_click_pos = nk_vec2(0, 0);
return &glfw.ctx;
}
NK_API void
nk_glfw3_font_stash_begin(struct nk_font_atlas **atlas)
{
nk_font_atlas_init_default(&glfw.atlas);
nk_font_atlas_begin(&glfw.atlas);
*atlas = &glfw.atlas;
}
NK_API void
nk_glfw3_font_stash_end(void)
{
const void *image; int w, h;
image = nk_font_atlas_bake(&glfw.atlas, &w, &h, NK_FONT_ATLAS_RGBA32);
nk_glfw3_device_upload_atlas(image, w, h);
nk_font_atlas_end(&glfw.atlas, nk_handle_id((int)glfw.ogl.font_tex), &glfw.ogl.null);
if (glfw.atlas.default_font)
nk_style_set_font(&glfw.ctx, &glfw.atlas.default_font->handle);
}
NK_API void
nk_glfw3_new_frame(void)
{
int i;
double x, y;
struct nk_context *ctx = &glfw.ctx;
struct GLFWwindow *win = glfw.win;
glfwGetWindowSize(win, &glfw.width, &glfw.height);
glfwGetFramebufferSize(win, &glfw.display_width, &glfw.display_height);
glfw.fb_scale.x = (float)glfw.display_width/(float)glfw.width;
glfw.fb_scale.y = (float)glfw.display_height/(float)glfw.height;
nk_input_begin(ctx);
for (i = 0; i < glfw.text_len; ++i)
nk_input_unicode(ctx, glfw.text[i]);
/* optional grabbing behavior */
if (ctx->input.mouse.grab)
glfwSetInputMode(glfw.win, GLFW_CURSOR, GLFW_CURSOR_HIDDEN);
else if (ctx->input.mouse.ungrab)
glfwSetInputMode(glfw.win, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
nk_input_key(ctx, NK_KEY_DEL, glfwGetKey(win, GLFW_KEY_DELETE) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_ENTER, glfwGetKey(win, GLFW_KEY_ENTER) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_TAB, glfwGetKey(win, GLFW_KEY_TAB) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_BACKSPACE, glfwGetKey(win, GLFW_KEY_BACKSPACE) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_UP, glfwGetKey(win, GLFW_KEY_UP) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_DOWN, glfwGetKey(win, GLFW_KEY_DOWN) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_TEXT_START, glfwGetKey(win, GLFW_KEY_HOME) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_TEXT_END, glfwGetKey(win, GLFW_KEY_END) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_SCROLL_START, glfwGetKey(win, GLFW_KEY_HOME) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_SCROLL_END, glfwGetKey(win, GLFW_KEY_END) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_SCROLL_DOWN, glfwGetKey(win, GLFW_KEY_PAGE_DOWN) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_SCROLL_UP, glfwGetKey(win, GLFW_KEY_PAGE_UP) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_SHIFT, glfwGetKey(win, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS||
glfwGetKey(win, GLFW_KEY_RIGHT_SHIFT) == GLFW_PRESS);
if (glfwGetKey(win, GLFW_KEY_LEFT_CONTROL) == GLFW_PRESS ||
glfwGetKey(win, GLFW_KEY_RIGHT_CONTROL) == GLFW_PRESS) {
nk_input_key(ctx, NK_KEY_COPY, glfwGetKey(win, GLFW_KEY_C) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_PASTE, glfwGetKey(win, GLFW_KEY_V) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_CUT, glfwGetKey(win, GLFW_KEY_X) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_TEXT_UNDO, glfwGetKey(win, GLFW_KEY_Z) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_TEXT_REDO, glfwGetKey(win, GLFW_KEY_R) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_TEXT_WORD_LEFT, glfwGetKey(win, GLFW_KEY_LEFT) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_TEXT_WORD_RIGHT, glfwGetKey(win, GLFW_KEY_RIGHT) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_TEXT_LINE_START, glfwGetKey(win, GLFW_KEY_B) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_TEXT_LINE_END, glfwGetKey(win, GLFW_KEY_E) == GLFW_PRESS);
} else {
nk_input_key(ctx, NK_KEY_LEFT, glfwGetKey(win, GLFW_KEY_LEFT) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_RIGHT, glfwGetKey(win, GLFW_KEY_RIGHT) == GLFW_PRESS);
nk_input_key(ctx, NK_KEY_COPY, 0);
nk_input_key(ctx, NK_KEY_PASTE, 0);
nk_input_key(ctx, NK_KEY_CUT, 0);
nk_input_key(ctx, NK_KEY_SHIFT, 0);
}
glfwGetCursorPos(win, &x, &y);
nk_input_motion(ctx, (int)x, (int)y);
if (ctx->input.mouse.grabbed) {
glfwSetCursorPos(glfw.win, (double)ctx->input.mouse.prev.x, (double)ctx->input.mouse.prev.y);
ctx->input.mouse.pos.x = ctx->input.mouse.prev.x;
ctx->input.mouse.pos.y = ctx->input.mouse.prev.y;
}
nk_input_button(ctx, NK_BUTTON_LEFT, (int)x, (int)y, glfwGetMouseButton(win, GLFW_MOUSE_BUTTON_LEFT) == GLFW_PRESS);
nk_input_button(ctx, NK_BUTTON_MIDDLE, (int)x, (int)y, glfwGetMouseButton(win, GLFW_MOUSE_BUTTON_MIDDLE) == GLFW_PRESS);
nk_input_button(ctx, NK_BUTTON_RIGHT, (int)x, (int)y, glfwGetMouseButton(win, GLFW_MOUSE_BUTTON_RIGHT) == GLFW_PRESS);
nk_input_button(ctx, NK_BUTTON_DOUBLE, (int)glfw.double_click_pos.x, (int)glfw.double_click_pos.y, glfw.is_double_click_down);
nk_input_scroll(ctx, glfw.scroll);
nk_input_end(&glfw.ctx);
glfw.text_len = 0;
glfw.scroll = nk_vec2(0,0);
}
NK_API
void nk_glfw3_shutdown(void)
{
struct nk_glfw_device *dev = &glfw.ogl;
nk_font_atlas_clear(&glfw.atlas);
nk_free(&glfw.ctx);
glDeleteTextures(1, &dev->font_tex);
nk_buffer_free(&dev->cmds);
NK_MEMSET(&glfw, 0, sizeof(glfw));
}
#endif

1724
deps/stb_image_write.h vendored
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File diff suppressed because it is too large Load Diff

9
deps/tinycthread.c vendored
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@ -21,10 +21,9 @@ freely, subject to the following restrictions:
distribution.
*/
/* 2013-01-06 Camilla Löwy <elmindreda@glfw.org>
*
/* 2013-01-06 Camilla Berglund <elmindreda@elmindreda.org>
*
* Added casts from time_t to DWORD to avoid warnings on VC++.
* Fixed time retrieval on POSIX systems.
*/
#include "tinycthread.h"
@ -295,7 +294,7 @@ int cnd_timedwait(cnd_t *cond, mtx_t *mtx, const struct timespec *ts)
{
#if defined(_TTHREAD_WIN32_)
struct timespec now;
if (clock_gettime(CLOCK_REALTIME, &now) == 0)
if (clock_gettime(TIME_UTC, &now) == 0)
{
DWORD delta = (DWORD) ((ts->tv_sec - now.tv_sec) * 1000 +
(ts->tv_nsec - now.tv_nsec + 500000) / 1000000);
@ -472,7 +471,7 @@ int thrd_sleep(const struct timespec *time_point, struct timespec *remaining)
#endif
/* Get the current time */
if (clock_gettime(CLOCK_REALTIME, &now) != 0)
if (clock_gettime(TIME_UTC, &now) != 0)
return -2; // FIXME: Some specific error code?
#if defined(_TTHREAD_WIN32_)

4
deps/tinycthread.h vendored
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@ -78,7 +78,6 @@ freely, subject to the following restrictions:
/* Platform specific includes */
#if defined(_TTHREAD_POSIX_)
#include <sys/time.h>
#include <pthread.h>
#elif defined(_TTHREAD_WIN32_)
#ifndef WIN32_LEAN_AND_MEAN
@ -123,9 +122,6 @@ typedef int _tthread_clockid_t;
/* Emulate clock_gettime */
int _tthread_clock_gettime(clockid_t clk_id, struct timespec *ts);
#define clock_gettime _tthread_clock_gettime
#ifndef CLOCK_REALTIME
#define CLOCK_REALTIME 0
#endif
#endif

102
deps/wayland/fractional-scale-v1.xml vendored
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@ -1,102 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<protocol name="fractional_scale_v1">
<copyright>
Copyright © 2022 Kenny Levinsen
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
</copyright>
<description summary="Protocol for requesting fractional surface scales">
This protocol allows a compositor to suggest for surfaces to render at
fractional scales.
A client can submit scaled content by utilizing wp_viewport. This is done by
creating a wp_viewport object for the surface and setting the destination
rectangle to the surface size before the scale factor is applied.
The buffer size is calculated by multiplying the surface size by the
intended scale.
The wl_surface buffer scale should remain set to 1.
If a surface has a surface-local size of 100 px by 50 px and wishes to
submit buffers with a scale of 1.5, then a buffer of 150px by 75 px should
be used and the wp_viewport destination rectangle should be 100 px by 50 px.
For toplevel surfaces, the size is rounded halfway away from zero. The
rounding algorithm for subsurface position and size is not defined.
</description>
<interface name="wp_fractional_scale_manager_v1" version="1">
<description summary="fractional surface scale information">
A global interface for requesting surfaces to use fractional scales.
</description>
<request name="destroy" type="destructor">
<description summary="unbind the fractional surface scale interface">
Informs the server that the client will not be using this protocol
object anymore. This does not affect any other objects,
wp_fractional_scale_v1 objects included.
</description>
</request>
<enum name="error">
<entry name="fractional_scale_exists" value="0"
summary="the surface already has a fractional_scale object associated"/>
</enum>
<request name="get_fractional_scale">
<description summary="extend surface interface for scale information">
Create an add-on object for the the wl_surface to let the compositor
request fractional scales. If the given wl_surface already has a
wp_fractional_scale_v1 object associated, the fractional_scale_exists
protocol error is raised.
</description>
<arg name="id" type="new_id" interface="wp_fractional_scale_v1"
summary="the new surface scale info interface id"/>
<arg name="surface" type="object" interface="wl_surface"
summary="the surface"/>
</request>
</interface>
<interface name="wp_fractional_scale_v1" version="1">
<description summary="fractional scale interface to a wl_surface">
An additional interface to a wl_surface object which allows the compositor
to inform the client of the preferred scale.
</description>
<request name="destroy" type="destructor">
<description summary="remove surface scale information for surface">
Destroy the fractional scale object. When this object is destroyed,
preferred_scale events will no longer be sent.
</description>
</request>
<event name="preferred_scale">
<description summary="notify of new preferred scale">
Notification of a new preferred scale for this surface that the
compositor suggests that the client should use.
The sent scale is the numerator of a fraction with a denominator of 120.
</description>
<arg name="scale" type="uint" summary="the new preferred scale"/>
</event>
</interface>
</protocol>

83
deps/wayland/idle-inhibit-unstable-v1.xml vendored
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@ -1,83 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<protocol name="idle_inhibit_unstable_v1">
<copyright>
Copyright © 2015 Samsung Electronics Co., Ltd
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
</copyright>
<interface name="zwp_idle_inhibit_manager_v1" version="1">
<description summary="control behavior when display idles">
This interface permits inhibiting the idle behavior such as screen
blanking, locking, and screensaving. The client binds the idle manager
globally, then creates idle-inhibitor objects for each surface.
Warning! The protocol described in this file is experimental and
backward incompatible changes may be made. Backward compatible changes
may be added together with the corresponding interface version bump.
Backward incompatible changes are done by bumping the version number in
the protocol and interface names and resetting the interface version.
Once the protocol is to be declared stable, the 'z' prefix and the
version number in the protocol and interface names are removed and the
interface version number is reset.
</description>
<request name="destroy" type="destructor">
<description summary="destroy the idle inhibitor object">
Destroy the inhibit manager.
</description>
</request>
<request name="create_inhibitor">
<description summary="create a new inhibitor object">
Create a new inhibitor object associated with the given surface.
</description>
<arg name="id" type="new_id" interface="zwp_idle_inhibitor_v1"/>
<arg name="surface" type="object" interface="wl_surface"
summary="the surface that inhibits the idle behavior"/>
</request>
</interface>
<interface name="zwp_idle_inhibitor_v1" version="1">
<description summary="context object for inhibiting idle behavior">
An idle inhibitor prevents the output that the associated surface is
visible on from being set to a state where it is not visually usable due
to lack of user interaction (e.g. blanked, dimmed, locked, set to power
save, etc.) Any screensaver processes are also blocked from displaying.
If the surface is destroyed, unmapped, becomes occluded, loses
visibility, or otherwise becomes not visually relevant for the user, the
idle inhibitor will not be honored by the compositor; if the surface
subsequently regains visibility the inhibitor takes effect once again.
Likewise, the inhibitor isn't honored if the system was already idled at
the time the inhibitor was established, although if the system later
de-idles and re-idles the inhibitor will take effect.
</description>
<request name="destroy" type="destructor">
<description summary="destroy the idle inhibitor object">
Remove the inhibitor effect from the associated wl_surface.
</description>
</request>
</interface>
</protocol>

339
deps/wayland/pointer-constraints-unstable-v1.xml vendored
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@ -1,339 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<protocol name="pointer_constraints_unstable_v1">
<copyright>
Copyright © 2014 Jonas Ådahl
Copyright © 2015 Red Hat Inc.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
</copyright>
<description summary="protocol for constraining pointer motions">
This protocol specifies a set of interfaces used for adding constraints to
the motion of a pointer. Possible constraints include confining pointer
motions to a given region, or locking it to its current position.
In order to constrain the pointer, a client must first bind the global
interface "wp_pointer_constraints" which, if a compositor supports pointer
constraints, is exposed by the registry. Using the bound global object, the
client uses the request that corresponds to the type of constraint it wants
to make. See wp_pointer_constraints for more details.
Warning! The protocol described in this file is experimental and backward
incompatible changes may be made. Backward compatible changes may be added
together with the corresponding interface version bump. Backward
incompatible changes are done by bumping the version number in the protocol
and interface names and resetting the interface version. Once the protocol
is to be declared stable, the 'z' prefix and the version number in the
protocol and interface names are removed and the interface version number is
reset.
</description>
<interface name="zwp_pointer_constraints_v1" version="1">
<description summary="constrain the movement of a pointer">
The global interface exposing pointer constraining functionality. It
exposes two requests: lock_pointer for locking the pointer to its
position, and confine_pointer for locking the pointer to a region.
The lock_pointer and confine_pointer requests create the objects
wp_locked_pointer and wp_confined_pointer respectively, and the client can
use these objects to interact with the lock.
For any surface, only one lock or confinement may be active across all
wl_pointer objects of the same seat. If a lock or confinement is requested
when another lock or confinement is active or requested on the same surface
and with any of the wl_pointer objects of the same seat, an
'already_constrained' error will be raised.
</description>
<enum name="error">
<description summary="wp_pointer_constraints error values">
These errors can be emitted in response to wp_pointer_constraints
requests.
</description>
<entry name="already_constrained" value="1"
summary="pointer constraint already requested on that surface"/>
</enum>
<enum name="lifetime">
<description summary="constraint lifetime">
These values represent different lifetime semantics. They are passed
as arguments to the factory requests to specify how the constraint
lifetimes should be managed.
</description>
<entry name="oneshot" value="1">
<description summary="the pointer constraint is defunct once deactivated">
A oneshot pointer constraint will never reactivate once it has been
deactivated. See the corresponding deactivation event
(wp_locked_pointer.unlocked and wp_confined_pointer.unconfined) for
details.
</description>
</entry>
<entry name="persistent" value="2">
<description summary="the pointer constraint may reactivate">
A persistent pointer constraint may again reactivate once it has
been deactivated. See the corresponding deactivation event
(wp_locked_pointer.unlocked and wp_confined_pointer.unconfined) for
details.
</description>
</entry>
</enum>
<request name="destroy" type="destructor">
<description summary="destroy the pointer constraints manager object">
Used by the client to notify the server that it will no longer use this
pointer constraints object.
</description>
</request>
<request name="lock_pointer">
<description summary="lock pointer to a position">
The lock_pointer request lets the client request to disable movements of
the virtual pointer (i.e. the cursor), effectively locking the pointer
to a position. This request may not take effect immediately; in the
future, when the compositor deems implementation-specific constraints
are satisfied, the pointer lock will be activated and the compositor
sends a locked event.
The protocol provides no guarantee that the constraints are ever
satisfied, and does not require the compositor to send an error if the
constraints cannot ever be satisfied. It is thus possible to request a
lock that will never activate.
There may not be another pointer constraint of any kind requested or
active on the surface for any of the wl_pointer objects of the seat of
the passed pointer when requesting a lock. If there is, an error will be
raised. See general pointer lock documentation for more details.
The intersection of the region passed with this request and the input
region of the surface is used to determine where the pointer must be
in order for the lock to activate. It is up to the compositor whether to
warp the pointer or require some kind of user interaction for the lock
to activate. If the region is null the surface input region is used.
A surface may receive pointer focus without the lock being activated.
The request creates a new object wp_locked_pointer which is used to
interact with the lock as well as receive updates about its state. See
the the description of wp_locked_pointer for further information.
Note that while a pointer is locked, the wl_pointer objects of the
corresponding seat will not emit any wl_pointer.motion events, but
relative motion events will still be emitted via wp_relative_pointer
objects of the same seat. wl_pointer.axis and wl_pointer.button events
are unaffected.
</description>
<arg name="id" type="new_id" interface="zwp_locked_pointer_v1"/>
<arg name="surface" type="object" interface="wl_surface"
summary="surface to lock pointer to"/>
<arg name="pointer" type="object" interface="wl_pointer"
summary="the pointer that should be locked"/>
<arg name="region" type="object" interface="wl_region" allow-null="true"
summary="region of surface"/>
<arg name="lifetime" type="uint" enum="lifetime" summary="lock lifetime"/>
</request>
<request name="confine_pointer">
<description summary="confine pointer to a region">
The confine_pointer request lets the client request to confine the
pointer cursor to a given region. This request may not take effect
immediately; in the future, when the compositor deems implementation-
specific constraints are satisfied, the pointer confinement will be
activated and the compositor sends a confined event.
The intersection of the region passed with this request and the input
region of the surface is used to determine where the pointer must be
in order for the confinement to activate. It is up to the compositor
whether to warp the pointer or require some kind of user interaction for
the confinement to activate. If the region is null the surface input
region is used.
The request will create a new object wp_confined_pointer which is used
to interact with the confinement as well as receive updates about its
state. See the the description of wp_confined_pointer for further
information.
</description>
<arg name="id" type="new_id" interface="zwp_confined_pointer_v1"/>
<arg name="surface" type="object" interface="wl_surface"
summary="surface to lock pointer to"/>
<arg name="pointer" type="object" interface="wl_pointer"
summary="the pointer that should be confined"/>
<arg name="region" type="object" interface="wl_region" allow-null="true"
summary="region of surface"/>
<arg name="lifetime" type="uint" enum="lifetime" summary="confinement lifetime"/>
</request>
</interface>
<interface name="zwp_locked_pointer_v1" version="1">
<description summary="receive relative pointer motion events">
The wp_locked_pointer interface represents a locked pointer state.
While the lock of this object is active, the wl_pointer objects of the
associated seat will not emit any wl_pointer.motion events.
This object will send the event 'locked' when the lock is activated.
Whenever the lock is activated, it is guaranteed that the locked surface
will already have received pointer focus and that the pointer will be
within the region passed to the request creating this object.
To unlock the pointer, send the destroy request. This will also destroy
the wp_locked_pointer object.
If the compositor decides to unlock the pointer the unlocked event is
sent. See wp_locked_pointer.unlock for details.
When unlocking, the compositor may warp the cursor position to the set
cursor position hint. If it does, it will not result in any relative
motion events emitted via wp_relative_pointer.
If the surface the lock was requested on is destroyed and the lock is not
yet activated, the wp_locked_pointer object is now defunct and must be
destroyed.
</description>
<request name="destroy" type="destructor">
<description summary="destroy the locked pointer object">
Destroy the locked pointer object. If applicable, the compositor will
unlock the pointer.
</description>
</request>
<request name="set_cursor_position_hint">
<description summary="set the pointer cursor position hint">
Set the cursor position hint relative to the top left corner of the
surface.
If the client is drawing its own cursor, it should update the position
hint to the position of its own cursor. A compositor may use this
information to warp the pointer upon unlock in order to avoid pointer
jumps.
The cursor position hint is double buffered. The new hint will only take
effect when the associated surface gets it pending state applied. See
wl_surface.commit for details.
</description>
<arg name="surface_x" type="fixed"
summary="surface-local x coordinate"/>
<arg name="surface_y" type="fixed"
summary="surface-local y coordinate"/>
</request>
<request name="set_region">
<description summary="set a new lock region">
Set a new region used to lock the pointer.
The new lock region is double-buffered. The new lock region will
only take effect when the associated surface gets its pending state
applied. See wl_surface.commit for details.
For details about the lock region, see wp_locked_pointer.
</description>
<arg name="region" type="object" interface="wl_region" allow-null="true"
summary="region of surface"/>
</request>
<event name="locked">
<description summary="lock activation event">
Notification that the pointer lock of the seat's pointer is activated.
</description>
</event>
<event name="unlocked">
<description summary="lock deactivation event">
Notification that the pointer lock of the seat's pointer is no longer
active. If this is a oneshot pointer lock (see
wp_pointer_constraints.lifetime) this object is now defunct and should
be destroyed. If this is a persistent pointer lock (see
wp_pointer_constraints.lifetime) this pointer lock may again
reactivate in the future.
</description>
</event>
</interface>
<interface name="zwp_confined_pointer_v1" version="1">
<description summary="confined pointer object">
The wp_confined_pointer interface represents a confined pointer state.
This object will send the event 'confined' when the confinement is
activated. Whenever the confinement is activated, it is guaranteed that
the surface the pointer is confined to will already have received pointer
focus and that the pointer will be within the region passed to the request
creating this object. It is up to the compositor to decide whether this
requires some user interaction and if the pointer will warp to within the
passed region if outside.
To unconfine the pointer, send the destroy request. This will also destroy
the wp_confined_pointer object.
If the compositor decides to unconfine the pointer the unconfined event is
sent. The wp_confined_pointer object is at this point defunct and should
be destroyed.
</description>
<request name="destroy" type="destructor">
<description summary="destroy the confined pointer object">
Destroy the confined pointer object. If applicable, the compositor will
unconfine the pointer.
</description>
</request>
<request name="set_region">
<description summary="set a new confine region">
Set a new region used to confine the pointer.
The new confine region is double-buffered. The new confine region will
only take effect when the associated surface gets its pending state
applied. See wl_surface.commit for details.
If the confinement is active when the new confinement region is applied
and the pointer ends up outside of newly applied region, the pointer may
warped to a position within the new confinement region. If warped, a
wl_pointer.motion event will be emitted, but no
wp_relative_pointer.relative_motion event.
The compositor may also, instead of using the new region, unconfine the
pointer.
For details about the confine region, see wp_confined_pointer.
</description>
<arg name="region" type="object" interface="wl_region" allow-null="true"
summary="region of surface"/>
</request>
<event name="confined">
<description summary="pointer confined">
Notification that the pointer confinement of the seat's pointer is
activated.
</description>
</event>
<event name="unconfined">
<description summary="pointer unconfined">
Notification that the pointer confinement of the seat's pointer is no
longer active. If this is a oneshot pointer confinement (see
wp_pointer_constraints.lifetime) this object is now defunct and should
be destroyed. If this is a persistent pointer confinement (see
wp_pointer_constraints.lifetime) this pointer confinement may again
reactivate in the future.
</description>
</event>
</interface>
</protocol>

136
deps/wayland/relative-pointer-unstable-v1.xml vendored
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@ -1,136 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<protocol name="relative_pointer_unstable_v1">
<copyright>
Copyright © 2014 Jonas Ådahl
Copyright © 2015 Red Hat Inc.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
</copyright>
<description summary="protocol for relative pointer motion events">
This protocol specifies a set of interfaces used for making clients able to
receive relative pointer events not obstructed by barriers (such as the
monitor edge or other pointer barriers).
To start receiving relative pointer events, a client must first bind the
global interface "wp_relative_pointer_manager" which, if a compositor
supports relative pointer motion events, is exposed by the registry. After
having created the relative pointer manager proxy object, the client uses
it to create the actual relative pointer object using the
"get_relative_pointer" request given a wl_pointer. The relative pointer
motion events will then, when applicable, be transmitted via the proxy of
the newly created relative pointer object. See the documentation of the
relative pointer interface for more details.
Warning! The protocol described in this file is experimental and backward
incompatible changes may be made. Backward compatible changes may be added
together with the corresponding interface version bump. Backward
incompatible changes are done by bumping the version number in the protocol
and interface names and resetting the interface version. Once the protocol
is to be declared stable, the 'z' prefix and the version number in the
protocol and interface names are removed and the interface version number is
reset.
</description>
<interface name="zwp_relative_pointer_manager_v1" version="1">
<description summary="get relative pointer objects">
A global interface used for getting the relative pointer object for a
given pointer.
</description>
<request name="destroy" type="destructor">
<description summary="destroy the relative pointer manager object">
Used by the client to notify the server that it will no longer use this
relative pointer manager object.
</description>
</request>
<request name="get_relative_pointer">
<description summary="get a relative pointer object">
Create a relative pointer interface given a wl_pointer object. See the
wp_relative_pointer interface for more details.
</description>
<arg name="id" type="new_id" interface="zwp_relative_pointer_v1"/>
<arg name="pointer" type="object" interface="wl_pointer"/>
</request>
</interface>
<interface name="zwp_relative_pointer_v1" version="1">
<description summary="relative pointer object">
A wp_relative_pointer object is an extension to the wl_pointer interface
used for emitting relative pointer events. It shares the same focus as
wl_pointer objects of the same seat and will only emit events when it has
focus.
</description>
<request name="destroy" type="destructor">
<description summary="release the relative pointer object"/>
</request>
<event name="relative_motion">
<description summary="relative pointer motion">
Relative x/y pointer motion from the pointer of the seat associated with
this object.
A relative motion is in the same dimension as regular wl_pointer motion
events, except they do not represent an absolute position. For example,
moving a pointer from (x, y) to (x', y') would have the equivalent
relative motion (x' - x, y' - y). If a pointer motion caused the
absolute pointer position to be clipped by for example the edge of the
monitor, the relative motion is unaffected by the clipping and will
represent the unclipped motion.
This event also contains non-accelerated motion deltas. The
non-accelerated delta is, when applicable, the regular pointer motion
delta as it was before having applied motion acceleration and other
transformations such as normalization.
Note that the non-accelerated delta does not represent 'raw' events as
they were read from some device. Pointer motion acceleration is device-
and configuration-specific and non-accelerated deltas and accelerated
deltas may have the same value on some devices.
Relative motions are not coupled to wl_pointer.motion events, and can be
sent in combination with such events, but also independently. There may
also be scenarios where wl_pointer.motion is sent, but there is no
relative motion. The order of an absolute and relative motion event
originating from the same physical motion is not guaranteed.
If the client needs button events or focus state, it can receive them
from a wl_pointer object of the same seat that the wp_relative_pointer
object is associated with.
</description>
<arg name="utime_hi" type="uint"
summary="high 32 bits of a 64 bit timestamp with microsecond granularity"/>
<arg name="utime_lo" type="uint"
summary="low 32 bits of a 64 bit timestamp with microsecond granularity"/>
<arg name="dx" type="fixed"
summary="the x component of the motion vector"/>
<arg name="dy" type="fixed"
summary="the y component of the motion vector"/>
<arg name="dx_unaccel" type="fixed"
summary="the x component of the unaccelerated motion vector"/>
<arg name="dy_unaccel" type="fixed"
summary="the y component of the unaccelerated motion vector"/>
</event>
</interface>
</protocol>

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<?xml version="1.0" encoding="UTF-8"?>
<protocol name="viewporter">
<copyright>
Copyright © 2013-2016 Collabora, Ltd.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
</copyright>
<interface name="wp_viewporter" version="1">
<description summary="surface cropping and scaling">
The global interface exposing surface cropping and scaling
capabilities is used to instantiate an interface extension for a
wl_surface object. This extended interface will then allow
cropping and scaling the surface contents, effectively
disconnecting the direct relationship between the buffer and the
surface size.
</description>
<request name="destroy" type="destructor">
<description summary="unbind from the cropping and scaling interface">
Informs the server that the client will not be using this
protocol object anymore. This does not affect any other objects,
wp_viewport objects included.
</description>
</request>
<enum name="error">
<entry name="viewport_exists" value="0"
summary="the surface already has a viewport object associated"/>
</enum>
<request name="get_viewport">
<description summary="extend surface interface for crop and scale">
Instantiate an interface extension for the given wl_surface to
crop and scale its content. If the given wl_surface already has
a wp_viewport object associated, the viewport_exists
protocol error is raised.
</description>
<arg name="id" type="new_id" interface="wp_viewport"
summary="the new viewport interface id"/>
<arg name="surface" type="object" interface="wl_surface"
summary="the surface"/>
</request>
</interface>
<interface name="wp_viewport" version="1">
<description summary="crop and scale interface to a wl_surface">
An additional interface to a wl_surface object, which allows the
client to specify the cropping and scaling of the surface
contents.
This interface works with two concepts: the source rectangle (src_x,
src_y, src_width, src_height), and the destination size (dst_width,
dst_height). The contents of the source rectangle are scaled to the
destination size, and content outside the source rectangle is ignored.
This state is double-buffered, and is applied on the next
wl_surface.commit.
The two parts of crop and scale state are independent: the source
rectangle, and the destination size. Initially both are unset, that
is, no scaling is applied. The whole of the current wl_buffer is
used as the source, and the surface size is as defined in
wl_surface.attach.
If the destination size is set, it causes the surface size to become
dst_width, dst_height. The source (rectangle) is scaled to exactly
this size. This overrides whatever the attached wl_buffer size is,
unless the wl_buffer is NULL. If the wl_buffer is NULL, the surface
has no content and therefore no size. Otherwise, the size is always
at least 1x1 in surface local coordinates.
If the source rectangle is set, it defines what area of the wl_buffer is
taken as the source. If the source rectangle is set and the destination
size is not set, then src_width and src_height must be integers, and the
surface size becomes the source rectangle size. This results in cropping
without scaling. If src_width or src_height are not integers and
destination size is not set, the bad_size protocol error is raised when
the surface state is applied.
The coordinate transformations from buffer pixel coordinates up to
the surface-local coordinates happen in the following order:
1. buffer_transform (wl_surface.set_buffer_transform)
2. buffer_scale (wl_surface.set_buffer_scale)
3. crop and scale (wp_viewport.set*)
This means, that the source rectangle coordinates of crop and scale
are given in the coordinates after the buffer transform and scale,
i.e. in the coordinates that would be the surface-local coordinates
if the crop and scale was not applied.
If src_x or src_y are negative, the bad_value protocol error is raised.
Otherwise, if the source rectangle is partially or completely outside of
the non-NULL wl_buffer, then the out_of_buffer protocol error is raised
when the surface state is applied. A NULL wl_buffer does not raise the
out_of_buffer error.
If the wl_surface associated with the wp_viewport is destroyed,
all wp_viewport requests except 'destroy' raise the protocol error
no_surface.
If the wp_viewport object is destroyed, the crop and scale
state is removed from the wl_surface. The change will be applied
on the next wl_surface.commit.
</description>
<request name="destroy" type="destructor">
<description summary="remove scaling and cropping from the surface">
The associated wl_surface's crop and scale state is removed.
The change is applied on the next wl_surface.commit.
</description>
</request>
<enum name="error">
<entry name="bad_value" value="0"
summary="negative or zero values in width or height"/>
<entry name="bad_size" value="1"
summary="destination size is not integer"/>
<entry name="out_of_buffer" value="2"
summary="source rectangle extends outside of the content area"/>
<entry name="no_surface" value="3"
summary="the wl_surface was destroyed"/>
</enum>
<request name="set_source">
<description summary="set the source rectangle for cropping">
Set the source rectangle of the associated wl_surface. See
wp_viewport for the description, and relation to the wl_buffer
size.
If all of x, y, width and height are -1.0, the source rectangle is
unset instead. Any other set of values where width or height are zero
or negative, or x or y are negative, raise the bad_value protocol
error.
The crop and scale state is double-buffered state, and will be
applied on the next wl_surface.commit.
</description>
<arg name="x" type="fixed" summary="source rectangle x"/>
<arg name="y" type="fixed" summary="source rectangle y"/>
<arg name="width" type="fixed" summary="source rectangle width"/>
<arg name="height" type="fixed" summary="source rectangle height"/>
</request>
<request name="set_destination">
<description summary="set the surface size for scaling">
Set the destination size of the associated wl_surface. See
wp_viewport for the description, and relation to the wl_buffer
size.
If width is -1 and height is -1, the destination size is unset
instead. Any other pair of values for width and height that
contains zero or negative values raises the bad_value protocol
error.
The crop and scale state is double-buffered state, and will be
applied on the next wl_surface.commit.
</description>
<arg name="width" type="int" summary="surface width"/>
<arg name="height" type="int" summary="surface height"/>
</request>
</interface>
</protocol>

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<?xml version="1.0" encoding="UTF-8"?>
<protocol name="xdg_activation_v1">
<copyright>
Copyright © 2020 Aleix Pol Gonzalez &lt;aleixpol@kde.org&gt;
Copyright © 2020 Carlos Garnacho &lt;carlosg@gnome.org&gt;
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
</copyright>
<description summary="Protocol for requesting activation of surfaces">
The way for a client to pass focus to another toplevel is as follows.
The client that intends to activate another toplevel uses the
xdg_activation_v1.get_activation_token request to get an activation token.
This token is then forwarded to the client, which is supposed to activate
one of its surfaces, through a separate band of communication.
One established way of doing this is through the XDG_ACTIVATION_TOKEN
environment variable of a newly launched child process. The child process
should unset the environment variable again right after reading it out in
order to avoid propagating it to other child processes.
Another established way exists for Applications implementing the D-Bus
interface org.freedesktop.Application, which should get their token under
activation-token on their platform_data.
In general activation tokens may be transferred across clients through
means not described in this protocol.
The client to be activated will then pass the token
it received to the xdg_activation_v1.activate request. The compositor can
then use this token to decide how to react to the activation request.
The token the activating client gets may be ineffective either already at
the time it receives it, for example if it was not focused, for focus
stealing prevention. The activating client will have no way to discover
the validity of the token, and may still forward it to the to be activated
client.
The created activation token may optionally get information attached to it
that can be used by the compositor to identify the application that we
intend to activate. This can for example be used to display a visual hint
about what application is being started.
Warning! The protocol described in this file is currently in the testing
phase. Backward compatible changes may be added together with the
corresponding interface version bump. Backward incompatible changes can
only be done by creating a new major version of the extension.
</description>
<interface name="xdg_activation_v1" version="1">
<description summary="interface for activating surfaces">
A global interface used for informing the compositor about applications
being activated or started, or for applications to request to be
activated.
</description>
<request name="destroy" type="destructor">
<description summary="destroy the xdg_activation object">
Notify the compositor that the xdg_activation object will no longer be
used.
The child objects created via this interface are unaffected and should
be destroyed separately.
</description>
</request>
<request name="get_activation_token">
<description summary="requests a token">
Creates an xdg_activation_token_v1 object that will provide
the initiating client with a unique token for this activation. This
token should be offered to the clients to be activated.
</description>
<arg name="id" type="new_id" interface="xdg_activation_token_v1"/>
</request>
<request name="activate">
<description summary="notify new interaction being available">
Requests surface activation. It's up to the compositor to display
this information as desired, for example by placing the surface above
the rest.
The compositor may know who requested this by checking the activation
token and might decide not to follow through with the activation if it's
considered unwanted.
Compositors can ignore unknown activation tokens when an invalid
token is passed.
</description>
<arg name="token" type="string" summary="the activation token of the initiating client"/>
<arg name="surface" type="object" interface="wl_surface"
summary="the wl_surface to activate"/>
</request>
</interface>
<interface name="xdg_activation_token_v1" version="1">
<description summary="an exported activation handle">
An object for setting up a token and receiving a token handle that can
be passed as an activation token to another client.
The object is created using the xdg_activation_v1.get_activation_token
request. This object should then be populated with the app_id, surface
and serial information and committed. The compositor shall then issue a
done event with the token. In case the request's parameters are invalid,
the compositor will provide an invalid token.
</description>
<enum name="error">
<entry name="already_used" value="0"
summary="The token has already been used previously"/>
</enum>
<request name="set_serial">
<description summary="specifies the seat and serial of the activating event">
Provides information about the seat and serial event that requested the
token.
The serial can come from an input or focus event. For instance, if a
click triggers the launch of a third-party client, the launcher client
should send a set_serial request with the serial and seat from the
wl_pointer.button event.
Some compositors might refuse to activate toplevels when the token
doesn't have a valid and recent enough event serial.
Must be sent before commit. This information is optional.
</description>
<arg name="serial" type="uint"
summary="the serial of the event that triggered the activation"/>
<arg name="seat" type="object" interface="wl_seat"
summary="the wl_seat of the event"/>
</request>
<request name="set_app_id">
<description summary="specifies the application being activated">
The requesting client can specify an app_id to associate the token
being created with it.
Must be sent before commit. This information is optional.
</description>
<arg name="app_id" type="string"
summary="the application id of the client being activated."/>
</request>
<request name="set_surface">
<description summary="specifies the surface requesting activation">
This request sets the surface requesting the activation. Note, this is
different from the surface that will be activated.
Some compositors might refuse to activate toplevels when the token
doesn't have a requesting surface.
Must be sent before commit. This information is optional.
</description>
<arg name="surface" type="object" interface="wl_surface"
summary="the requesting surface"/>
</request>
<request name="commit">
<description summary="issues the token request">
Requests an activation token based on the different parameters that
have been offered through set_serial, set_surface and set_app_id.
</description>
</request>
<event name="done">
<description summary="the exported activation token">
The 'done' event contains the unique token of this activation request
and notifies that the provider is done.
</description>
<arg name="token" type="string" summary="the exported activation token"/>
</event>
<request name="destroy" type="destructor">
<description summary="destroy the xdg_activation_token_v1 object">
Notify the compositor that the xdg_activation_token_v1 object will no
longer be used. The received token stays valid.
</description>
</request>
</interface>
</protocol>

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<?xml version="1.0" encoding="UTF-8"?>
<protocol name="xdg_decoration_unstable_v1">
<copyright>
Copyright © 2018 Simon Ser
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
</copyright>
<interface name="zxdg_decoration_manager_v1" version="1">
<description summary="window decoration manager">
This interface allows a compositor to announce support for server-side
decorations.
A window decoration is a set of window controls as deemed appropriate by
the party managing them, such as user interface components used to move,
resize and change a window's state.
A client can use this protocol to request being decorated by a supporting
compositor.
If compositor and client do not negotiate the use of a server-side
decoration using this protocol, clients continue to self-decorate as they
see fit.
Warning! The protocol described in this file is experimental and
backward incompatible changes may be made. Backward compatible changes
may be added together with the corresponding interface version bump.
Backward incompatible changes are done by bumping the version number in
the protocol and interface names and resetting the interface version.
Once the protocol is to be declared stable, the 'z' prefix and the
version number in the protocol and interface names are removed and the
interface version number is reset.
</description>
<request name="destroy" type="destructor">
<description summary="destroy the decoration manager object">
Destroy the decoration manager. This doesn't destroy objects created
with the manager.
</description>
</request>
<request name="get_toplevel_decoration">
<description summary="create a new toplevel decoration object">
Create a new decoration object associated with the given toplevel.
Creating an xdg_toplevel_decoration from an xdg_toplevel which has a
buffer attached or committed is a client error, and any attempts by a
client to attach or manipulate a buffer prior to the first
xdg_toplevel_decoration.configure event must also be treated as
errors.
</description>
<arg name="id" type="new_id" interface="zxdg_toplevel_decoration_v1"/>
<arg name="toplevel" type="object" interface="xdg_toplevel"/>
</request>
</interface>
<interface name="zxdg_toplevel_decoration_v1" version="1">
<description summary="decoration object for a toplevel surface">
The decoration object allows the compositor to toggle server-side window
decorations for a toplevel surface. The client can request to switch to
another mode.
The xdg_toplevel_decoration object must be destroyed before its
xdg_toplevel.
</description>
<enum name="error">
<entry name="unconfigured_buffer" value="0"
summary="xdg_toplevel has a buffer attached before configure"/>
<entry name="already_constructed" value="1"
summary="xdg_toplevel already has a decoration object"/>
<entry name="orphaned" value="2"
summary="xdg_toplevel destroyed before the decoration object"/>
</enum>
<request name="destroy" type="destructor">
<description summary="destroy the decoration object">
Switch back to a mode without any server-side decorations at the next
commit.
</description>
</request>
<enum name="mode">
<description summary="window decoration modes">
These values describe window decoration modes.
</description>
<entry name="client_side" value="1"
summary="no server-side window decoration"/>
<entry name="server_side" value="2"
summary="server-side window decoration"/>
</enum>
<request name="set_mode">
<description summary="set the decoration mode">
Set the toplevel surface decoration mode. This informs the compositor
that the client prefers the provided decoration mode.
After requesting a decoration mode, the compositor will respond by
emitting an xdg_surface.configure event. The client should then update
its content, drawing it without decorations if the received mode is
server-side decorations. The client must also acknowledge the configure
when committing the new content (see xdg_surface.ack_configure).
The compositor can decide not to use the client's mode and enforce a
different mode instead.
Clients whose decoration mode depend on the xdg_toplevel state may send
a set_mode request in response to an xdg_surface.configure event and wait
for the next xdg_surface.configure event to prevent unwanted state.
Such clients are responsible for preventing configure loops and must
make sure not to send multiple successive set_mode requests with the
same decoration mode.
</description>
<arg name="mode" type="uint" enum="mode" summary="the decoration mode"/>
</request>
<request name="unset_mode">
<description summary="unset the decoration mode">
Unset the toplevel surface decoration mode. This informs the compositor
that the client doesn't prefer a particular decoration mode.
This request has the same semantics as set_mode.
</description>
</request>
<event name="configure">
<description summary="suggest a surface change">
The configure event asks the client to change its decoration mode. The
configured state should not be applied immediately. Clients must send an
ack_configure in response to this event. See xdg_surface.configure and
xdg_surface.ack_configure for details.
A configure event can be sent at any time. The specified mode must be
obeyed by the client.
</description>
<arg name="mode" type="uint" enum="mode" summary="the decoration mode"/>
</event>
</interface>
</protocol>

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# NOTE: The order of this list determines the order of items in the Guides
# (i.e. Pages) list in the generated documentation
set(source_files
main.md
news.md
quick.md
moving.md
compile.md
build.md
intro.md
context.md
monitor.md
window.md
input.md
vulkan.md
compat.md
internal.md)
set(extra_files DoxygenLayout.xml header.html footer.html extra.css spaces.svg)
set(header_paths
"${GLFW_SOURCE_DIR}/include/GLFW/glfw3.h"
"${GLFW_SOURCE_DIR}/include/GLFW/glfw3native.h")
# Format the source list into a Doxyfile INPUT value that Doxygen can parse
foreach(path IN LISTS header_paths)
string(APPEND GLFW_DOXYGEN_INPUT " \\\n\"${path}\"")
endforeach()
foreach(file IN LISTS source_files)
string(APPEND GLFW_DOXYGEN_INPUT " \\\n\"${CMAKE_CURRENT_SOURCE_DIR}/${file}\"")
endforeach()
set(DOXYGEN_SKIP_DOT TRUE)
find_package(Doxygen)
if (NOT DOXYGEN_FOUND OR DOXYGEN_VERSION VERSION_LESS "1.9.8")
message(STATUS "Documentation generation requires Doxygen 1.9.8 or later")
else()
configure_file(Doxyfile.in Doxyfile @ONLY)
add_custom_command(OUTPUT "html/index.html"
COMMAND "${DOXYGEN_EXECUTABLE}"
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
MAIN_DEPENDENCY Doxyfile
DEPENDS ${header_paths} ${source_files} ${extra_files}
COMMENT "Generating HTML documentation"
VERBATIM)
add_custom_target(docs ALL SOURCES "html/index.html")
set_target_properties(docs PROPERTIES FOLDER "GLFW3")
if (GLFW_INSTALL)
install(DIRECTORY "${GLFW_BINARY_DIR}/docs/html"
DESTINATION "${CMAKE_INSTALL_DOCDIR}")
endif()
endif()
add_custom_target(docs ALL ${DOXYGEN_EXECUTABLE}
WORKING_DIRECTORY ${GLFW_BINARY_DIR}/docs
COMMENT "Generating HTML documentation" VERBATIM)

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# Contribution Guide
## Contents
- [Asking a question](#asking-a-question)
- [Reporting a bug](#reporting-a-bug)
- [Reporting a compile or link bug](#reporting-a-compile-or-link-bug)
- [Reporting a segfault or other crash bug](#reporting-a-segfault-or-other-crash-bug)
- [Reporting a context creation bug](#reporting-a-context-creation-bug)
- [Reporting a monitor or video mode bug](#reporting-a-monitor-or-video-mode-bug)
- [Reporting a window, input or event bug](#reporting-a-window-input-or-event-bug)
- [Reporting some other library bug](#reporting-some-other-library-bug)
- [Reporting a documentation bug](#reporting-a-documentation-bug)
- [Reporting a website bug](#reporting-a-website-bug)
- [Requesting a feature](#requesting-a-feature)
- [Contributing a bug fix](#contributing-a-bug-fix)
- [Contributing a feature](#contributing-a-feature)
## Asking a question
Questions about how to use GLFW should be asked either in the [support
section](https://discourse.glfw.org/c/support) of the forum, under the [Stack
Overflow tag](https://stackoverflow.com/questions/tagged/glfw) or [Game
Development tag](https://gamedev.stackexchange.com/questions/tagged/glfw) on
Stack Exchange.
Questions about the design or implementation of GLFW or about future plans
should be asked in the [dev section](https://discourse.glfw.org/c/dev) of the
forum. Please don't open a GitHub issue to discuss design questions without
first checking with a maintainer.
## Reporting a bug
If GLFW is behaving unexpectedly at run-time, start by setting an [error
callback](https://www.glfw.org/docs/latest/intro_guide.html#error_handling).
GLFW will often tell you the cause of an error via this callback. If it
doesn't, that might be a separate bug.
If GLFW is crashing or triggering asserts, make sure that all your object
handles and other pointers are valid.
For bugs where it makes sense, a short, self contained example is absolutely
invaluable. Just put it inline in the body text. Note that if the bug is
reproducible with one of the test programs that come with GLFW, just mention
that instead.
__Don't worry about adding too much information__. Unimportant information can
be abbreviated or removed later, but missing information can stall bug fixing,
especially when your schedule doesn't align with that of the maintainer.
__Please provide text as text, not as images__. This includes code, error
messages and any other text. Text in images cannot be found by other users
searching for the same problem and may have to be re-typed by maintainers when
debugging.
You don't need to manually indent your code or other text to quote it with
GitHub Markdown; just surround it with triple backticks:
```
Some quoted text.
```
You can also add syntax highlighting by appending the common file extension:
```c
int five(void)
{
return 5;
}
```
There are issue labels for both platforms and GPU manufacturers, so there is no
need to mention these in the subject line. If you do, it will be removed when
the issue is labeled.
If your bug is already reported, please add any new information you have, or if
it already has everything, give it a :+1:.
### Reporting a compile or link bug
__Note:__ GLFW needs many system APIs to do its job, which on some platforms
means linking to many system libraries. If you are using GLFW as a static
library, that means your application needs to link to these in addition to GLFW.
__Note:__ Check the [Compiling
GLFW](https://www.glfw.org/docs/latest/compile.html) guide and or [Building
applications](https://www.glfw.org/docs/latest/build.html) guide for before
opening an issue of this kind. Most issues are caused by a missing package or
linker flag.
Always include the __operating system name and version__ (e.g. `Windows
7 64-bit` or `Ubuntu 15.10`) and the __compiler name and version__ (e.g. `Visual
C++ 2015 Update 2`). If you are using an official release of GLFW,
include the __GLFW release version__ (e.g. `3.1.2`), otherwise include the
__GLFW commit ID__ (e.g. `3795d78b14ef06008889cc422a1fb8d642597751`) from Git.
Please also include the __complete build log__ from your compiler and linker,
even if it's long. It can always be shortened later, if necessary.
#### Quick template
```
OS and version:
Compiler version:
Release or commit:
Build log:
```
### Reporting a segfault or other crash bug
Always include the __operating system name and version__ (e.g. `Windows
7 64-bit` or `Ubuntu 15.10`). If you are using an official release of GLFW,
include the __GLFW release version__ (e.g. `3.1.2`), otherwise include the
__GLFW commit ID__ (e.g. `3795d78b14ef06008889cc422a1fb8d642597751`) from Git.
Please also include any __error messages__ provided to your application via the
[error
callback](https://www.glfw.org/docs/latest/intro_guide.html#error_handling) and
the __full call stack__ of the crash, or if the crash does not occur in debug
mode, mention that instead.
#### Quick template
```
OS and version:
Release or commit:
Error messages:
Call stack:
```
### Reporting a context creation bug
__Note:__ Windows ships with graphics drivers that do not support OpenGL. If
GLFW says that your machine lacks support for OpenGL, it very likely does.
Install drivers from the computer manufacturer or graphics card manufacturer
([Nvidia](https://www.geforce.com/drivers),
[AMD](https://www.amd.com/en/support),
[Intel](https://www-ssl.intel.com/content/www/us/en/support/detect.html)) to
fix this.
__Note:__ AMD only supports OpenGL ES on Windows via EGL. See the
[GLFW\_CONTEXT\_CREATION\_API](https://www.glfw.org/docs/latest/window_guide.html#window_hints_ctx)
hint for how to select EGL.
Please verify that context creation also fails with the `glfwinfo` tool before
reporting it as a bug. This tool is included in the GLFW source tree as
`tests/glfwinfo.c` and is built along with the library. It has switches for all
GLFW context and framebuffer hints. Run `glfwinfo -h` for a complete list.
Always include the __operating system name and version__ (e.g. `Windows
7 64-bit` or `Ubuntu 15.10`). If you are using an official release of GLFW,
include the __GLFW release version__ (e.g. `3.1.2`), otherwise include the
__GLFW commit ID__ (e.g. `3795d78b14ef06008889cc422a1fb8d642597751`) from Git.
If you are running your program in a virtual machine, please mention this and
include the __VM name and version__ (e.g. `VirtualBox 5.1`).
Please also include the __GLFW version string__ (`3.2.0 X11 EGL clock_gettime
/dev/js`), as described
[here](https://www.glfw.org/docs/latest/intro.html#intro_version_string), the
__GPU model and driver version__ (e.g. `GeForce GTX660 with 352.79`), and the
__output of `glfwinfo`__ (with switches matching any hints you set in your
code) when reporting this kind of bug. If this tool doesn't run on the machine,
mention that instead.
#### Quick template
```
OS and version:
GPU and driver:
Release or commit:
Version string:
glfwinfo output:
```
### Reporting a monitor or video mode bug
__Note:__ On headless systems on some platforms, no monitors are reported. This
causes glfwGetPrimaryMonitor to return `NULL`, which not all applications are
prepared for.
__Note:__ Some third-party tools report more video modes than are approved of
by the OS. For safety and compatibility, GLFW only reports video modes the OS
wants programs to use. This is not a bug.
The `monitors` tool is included in the GLFW source tree as `tests/monitors.c`
and is built along with the library. It lists all information GLFW provides
about monitors it detects.
Always include the __operating system name and version__ (e.g. `Windows
7 64-bit` or `Ubuntu 15.10`). If you are using an official release of GLFW,
include the __GLFW release version__ (e.g. `3.1.2`), otherwise include the
__GLFW commit ID__ (e.g. `3795d78b14ef06008889cc422a1fb8d642597751`) from Git.
If you are running your program in a virtual machine, please mention this and
include the __VM name and version__ (e.g. `VirtualBox 5.1`).
Please also include any __error messages__ provided to your application via the
[error
callback](https://www.glfw.org/docs/latest/intro_guide.html#error_handling) and
the __output of `monitors`__ when reporting this kind of bug. If this tool
doesn't run on the machine, mention this instead.
#### Quick template
```
OS and version:
Release or commit:
Error messages:
monitors output:
```
### Reporting a window, input or event bug
__Note:__ The exact ordering of related window events will sometimes differ.
__Note:__ Window moving and resizing (by the user) will block the main thread on
some platforms. This is not a bug. Set a [refresh
callback](https://www.glfw.org/docs/latest/window.html#window_refresh) if you
want to keep the window contents updated during a move or size operation.
The `events` tool is included in the GLFW source tree as `tests/events.c` and is
built along with the library. It prints all information provided to every
callback supported by GLFW as events occur. Each event is listed with the time
and a unique number to make discussions about event logs easier. The tool has
command-line options for creating multiple windows and full screen windows.
Always include the __operating system name and version__ (e.g. `Windows
7 64-bit` or `Ubuntu 15.10`). If you are using an official release of GLFW,
include the __GLFW release version__ (e.g. `3.1.2`), otherwise include the
__GLFW commit ID__ (e.g. `3795d78b14ef06008889cc422a1fb8d642597751`) from Git.
If you are running your program in a virtual machine, please mention this and
include the __VM name and version__ (e.g. `VirtualBox 5.1`).
Please also include any __error messages__ provided to your application via the
[error
callback](https://www.glfw.org/docs/latest/intro_guide.html#error_handling) and
if relevant, the __output of `events`__ when reporting this kind of bug. If
this tool doesn't run on the machine, mention this instead.
__X11:__ If possible, please include what desktop environment (e.g. GNOME,
Unity, KDE) and/or window manager (e.g. Openbox, dwm, Window Maker) you are
running. If the bug is related to keyboard input, please include any input
method (e.g. ibus, SCIM) you are using.
#### Quick template
```
OS and version:
Release or commit:
Error messages:
events output:
```
### Reporting some other library bug
Always include the __operating system name and version__ (e.g. `Windows
7 64-bit` or `Ubuntu 15.10`). If you are using an official release of GLFW,
include the __GLFW release version__ (e.g. `3.1.2`), otherwise include the
__GLFW commit ID__ (e.g. `3795d78b14ef06008889cc422a1fb8d642597751`) from Git.
Please also include any __error messages__ provided to your application via the
[error
callback](https://www.glfw.org/docs/latest/intro_guide.html#error_handling), if
relevant.
#### Quick template
```
OS and version:
Release or commit:
Error messages:
```
### Reporting a documentation bug
If you found a bug in the documentation, including this file, then it's fine to
just link to that web page or mention that source file. You don't need to match
the source to the output or vice versa.
### Reporting a website bug
If the bug is in the documentation (anything under `/docs/`) then please see the
section above. Bugs in the rest of the site are reported to the [website
source repository](https://github.com/glfw/website/issues).
## Requesting a feature
Please explain why you need the feature and how you intend to use it. If you
have a specific API design in mind, please add that as well. If you have or are
planning to write code for the feature, see the section below.
If there already is a request for the feature you need, add your specific use
case unless it is already mentioned. If it is, give it a :+1:.
## Contributing a bug fix
__Note:__ You must have all necessary [intellectual
property rights](https://en.wikipedia.org/wiki/Intellectual_property) to any
code you contribute. If you did not write the code yourself, you must explain
where it came from and under what license you received it. Even code using the
same license as GLFW may not be copied without attribution.
__There is no preferred patch size__. A one character fix is just as welcome as
a thousand line one, if that is the appropriate size for the fix.
In addition to the code, a complete bug fix includes:
- Change log entry in `README.md`, describing the incorrect behavior
- Credits entries in `CONTRIBUTORS.md` for all authors of the bug fix
Bug fixes will not be rejected because they don't include all the above parts,
but please keep in mind that maintainer time is finite and that there are many
other bugs and features to work on.
If the patch fixes a bug introduced after the last release, it should not get
a change log entry.
If you haven't already, read the excellent article [How to Write a Git Commit
Message](https://chris.beams.io/posts/git-commit/).
## Contributing a feature
__Note:__ You must have all necessary rights to any code you contribute. If you
did not write the code yourself, you must explain where it came from and under
what license. Even code using the same license as GLFW may not be copied
without attribution.
__Note:__ If you haven't already implemented the feature, check first if there
already is an open issue for it and if it's already being developed in an
[experimental branch](https://github.com/glfw/glfw/branches/all).
__There is no preferred patch size__. A one-character change is just as welcome
as one adding a thousand lines, if that is the appropriate size for the
feature.
In addition to the code, a complete feature includes:
- Change log entry in `README.md`, listing all new symbols
- News page entry in `docs/news.md`, briefly describing the feature
- Guide documentation, with minimal examples, in the relevant guide in the `docs` folder
- Reference documentation, with all applicable tags
- Cross-references and mentions in appropriate places
- Credits entries in `CONTRIBUTORS.md` for all authors of the feature
If the feature requires platform-specific code, at minimum stubs must be added
for the new platform function to all supported and experimental platforms.
If it adds a new callback, support for it must be added to `tests/event.c`.
If it adds a new monitor property, support for it must be added to
`tests/monitor.c`.
If it adds a new OpenGL, OpenGL ES or Vulkan option or extension, support
for it must be added to `tests/glfwinfo.c` and the behavior of the library when
the extension is missing documented in `docs/compat.md`.
If you haven't already, read the excellent article [How to Write a Git Commit
Message](https://chris.beams.io/posts/git-commit/).
Features will not be rejected because they don't include all the above parts,
but please keep in mind that maintainer time is finite and that there are many
other features and bugs to work on.
Please also keep in mind that any part of the public API that has been included
in a release cannot be changed until the next _major_ version. Features can be
added and existing parts can sometimes be overloaded (in the general sense of
doing more things, not in the C++ sense), but code written to the API of one
minor release should both compile and run on subsequent minor releases.

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# Support resources
See the [latest documentation](https://www.glfw.org/docs/latest/) for tutorials,
guides and the API reference.
If you have questions about using GLFW, we have a
[forum](https://discourse.glfw.org/).
Bugs are reported to our [issue tracker](https://github.com/glfw/glfw/issues).
Please check the [contribution
guide](https://github.com/glfw/glfw/blob/master/docs/CONTRIBUTING.md) for
information on what to include when reporting a bug.

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/*!
@page build Building programs using GLFW
@tableofcontents
This is about compiling and linking programs that use GLFW. For information on
how to *write* such programs, start with the [introductory tutorial](@ref quick).
@section build_include Including the GLFW header file
In the files of your program where you use OpenGL or GLFW, you should include
the GLFW 3 header file, i.e.:
@code
#include <GLFW/glfw3.h>
@endcode
This defines all the constants, types and function prototypes of the GLFW API.
It also includes the chosen client API header files (by default OpenGL), and
defines all the constants and types necessary for those headers to work on that
platform.
For example, under Windows you are normally required to include `windows.h`
before including `GL/gl.h`. This would make your source file tied to Windows
and pollute your code's namespace with the whole Win32 API.
Instead, the GLFW header takes care of this for you, not by including
`windows.h`, but rather by itself duplicating only the necessary parts of it.
It does this only where needed, so if `windows.h` *is* included, the GLFW header
does not try to redefine those symbols.
In other words:
- Do *not* include the OpenGL headers yourself, as GLFW does this for you
- Do *not* include `windows.h` or other platform-specific headers unless you
plan on using those APIs directly
- If you *do* need to include such headers, do it *before* including
the GLFW one and it will detect this
If you are using an OpenGL extension loading library such as
[GLEW](http://glew.sourceforge.net/), the GLEW header should also be included
*before* the GLFW one. The GLEW header defines macros that disable any OpenGL
header that the GLFW header includes and GLEW will work as expected.
@subsection build_macros GLFW header option macros
These macros may be defined before the inclusion of the GLFW header and affect
how that header behaves.
`GLFW_INCLUDE_GLCOREARB` makes the header include the modern `GL/glcorearb.h`
header (`OpenGL/gl3.h` on OS X) instead of the regular OpenGL header.
`GLFW_INCLUDE_ES1` makes the header include the OpenGL ES 1.x `GLES/gl.h` header
instead of the regular OpenGL header.
`GLFW_INCLUDE_ES2` makes the header include the OpenGL ES 2.0 `GLES2/gl2.h`
header instead of the regular OpenGL header.
`GLFW_INCLUDE_ES3` makes the header include the OpenGL ES 3.0 `GLES3/gl3.h`
header instead of the regular OpenGL header.
`GLFW_INCLUDE_NONE` makes the header not include any client API header.
`GLFW_INCLUDE_GLU` makes the header include the GLU header *in addition to* the
OpenGL header. This should only be used with the default `GL/gl.h` header
(`OpenGL/gl.h` on OS X), i.e. if you are not using any of the above macros.
`GLFW_DLL` is necessary when using the GLFW DLL on Windows, in order to explain
to the compiler that the GLFW functions will be coming from another executable.
It has no function on other platforms.
@section build_link Link with the right libraries
@subsection build_link_win32 With MinGW or Visual C++ on Windows
The static version of the GLFW library is named `glfw3`. When using this
version, it is also necessary to link with some libraries that GLFW uses.
When linking a program under Windows that uses the static version of GLFW, you
must link with `opengl32`. If you are using GLU, you must also link with
`glu32`.
The link library for the GLFW DLL is named `glfw3dll`. When compiling a program
that uses the DLL version of GLFW, you need to define the `GLFW_DLL` macro
*before* any inclusion of the GLFW header. This can be done either with
a compiler switch or by defining it in your source code.
A program using the GLFW DLL does not need to link against any of its
dependencies, but you still have to link against `opengl32` if your program uses
OpenGL and `glu32` if it uses GLU.
@subsection build_link_cmake_source With CMake and GLFW source
You can use the GLFW source tree directly from a project that uses CMake. This
way, GLFW will be built along with your application as needed.
Firstly, add the root directory of the GLFW source tree to your project. This
will add the `glfw` target and the necessary cache variables to your project.
add_subdirectory(path/to/glfw)
To be able to include the GLFW header from your code, you need to tell the
compiler where to find it.
include_directories(path/to/glfw/include)
Once GLFW has been added to the project, the `GLFW_LIBRARIES` cache variable
contains all link-time dependencies of GLFW as it is currently configured. To
link against GLFW, link against them and the `glfw` target.
target_link_libraries(myapp glfw ${GLFW_LIBRARIES})
Note that `GLFW_LIBRARIES` does not include GLU, as GLFW does not use it. If
your application needs GLU, you can add it to the list of dependencies with the
`OPENGL_glu_LIBRARY` cache variable, which is implicitly created when the GLFW
CMake files look for OpenGL.
target_link_libraries(myapp glfw ${OPENGL_glu_LIBRARY} ${GLFW_LIBRARIES})
@subsection build_link_cmake_pkgconfig With CMake on Unix and installed GLFW binaries
CMake can import settings from pkg-config, which GLFW supports. When you
installed GLFW, the pkg-config file `glfw3.pc` was installed along with it.
First you need to find the PkgConfig package. If this fails, you may need to
install the pkg-config package for your distribution.
find_package(PkgConfig REQUIRED)
This creates the CMake commands to find pkg-config packages. Then you need to
find the GLFW package.
pkg_search_module(GLFW REQUIRED glfw3)
This creates the CMake variables you need to use GLFW. To be able to include
the GLFW header, you need to tell your compiler where it is.
include_directories(${GLFW_INCLUDE_DIRS})
You also need to link against the correct libraries. If you are using the
shared library version of GLFW, use the `GLFW_LIBRARIES` variable.
target_link_libraries(simple ${GLFW_LIBRARIES})
If you are using the static library version of GLFW, use the
`GLFW_STATIC_LIBRARIES` variable instead.
target_link_libraries(simple ${GLFW_STATIC_LIBRARIES})
@subsection build_link_pkgconfig With pkg-config on OS X or other Unix
GLFW supports [pkg-config](http://www.freedesktop.org/wiki/Software/pkg-config/),
and `glfw3.pc` file is generated when the GLFW library is built and installed
along with it.
A typical compile and link command-line when using the static may look like this:
cc `pkg-config --cflags glfw3` -o myprog myprog.c `pkg-config --static --libs glfw3`
If you are using the shared library, simply omit the `--static` flag.
cc `pkg-config --cflags glfw3` -o myprog myprog.c `pkg-config --libs glfw3`
You can also use the `glfw3.pc` file without installing it first, by using the
`PKG_CONFIG_PATH` environment variable.
env PKG_CONFIG_PATH=path/to/glfw/src cc `pkg-config --cflags glfw3` -o myprog myprog.c `pkg-config --static --libs glfw3`
The dependencies do not include GLU, as GLFW does not need it. On OS X, GLU is
built into the OpenGL framework, so if you need GLU you don't need to do
anything extra. If you need GLU and are using Linux or BSD, you should add
`-lGLU` to your link flags.
See the manpage and other documentation for pkg-config and your compiler and
linker for more information on how to link programs.
@subsection build_link_xcode With Xcode on OS X
If you are using the dynamic library version of GLFW, simply add it to the
project dependencies.
If you are using the static library version of GLFW, add it and the Cocoa,
OpenGL and IOKit frameworks to the project as dependencies.
@subsection build_link_osx With command-line on OS X
If you do not wish to use pkg-config, you need to add the required frameworks
and libraries to your command-line using the `-l` and `-framework` switches,
i.e.:
cc -o myprog myprog.c -lglfw -framework Cocoa -framework OpenGL -framework IOKit
Note that you do not add the `.framework` extension to a framework when adding
it from the command-line.
The OpenGL framework contains both the OpenGL and GLU APIs, so there is nothing
special to do when using GLU. Also note that even though your machine may have
`libGL`-style OpenGL libraries, they are for use with the X Window System and
will *not* work with the OS X native version of GLFW.
*/

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# Building applications {#build_guide}
[TOC]
This is about compiling and linking applications that use GLFW. For information on
how to write such applications, start with the
[introductory tutorial](@ref quick_guide). For information on how to compile
the GLFW library itself, see @ref compile_guide.
This is not a tutorial on compilation or linking. It assumes basic
understanding of how to compile and link a C program as well as how to use the
specific compiler of your chosen development environment. The compilation
and linking process should be explained in your C programming material and in
the documentation for your development environment.
## Including the GLFW header file {#build_include}
You should include the GLFW header in the source files where you use OpenGL or
GLFW.
```c
#include <GLFW/glfw3.h>
```
This header defines all the constants and declares all the types and function
prototypes of the GLFW API. By default, it also includes the OpenGL header from
your development environment. See [option macros](@ref build_macros) below for
how to select OpenGL ES headers and more.
The GLFW header also defines any platform-specific macros needed by your OpenGL
header, so that it can be included without needing any window system headers.
It does this only when needed, so if window system headers are included, the
GLFW header does not try to redefine those symbols. The reverse is not true,
i.e. `windows.h` cannot cope if any Win32 symbols have already been defined.
In other words:
- Use the GLFW header to include OpenGL or OpenGL ES headers portably
- Do not include window system headers unless you will use those APIs directly
- If you do need such headers, include them before the GLFW header
If you are using an OpenGL extension loading library such as [glad][], the
extension loader header should be included before the GLFW one. GLFW attempts
to detect any OpenGL or OpenGL ES header or extension loader header included
before it and will then disable the inclusion of the default OpenGL header.
Most extension loaders also define macros that disable similar headers below it.
[glad]: https://github.com/Dav1dde/glad
```c
#include <glad/gl.h>
#include <GLFW/glfw3.h>
```
Both of these mechanisms depend on the extension loader header defining a known
macro. If yours doesn't or you don't know which one your users will pick, the
@ref GLFW_INCLUDE_NONE macro will explicitly prevent the GLFW header from
including the OpenGL header. This will also allow you to include the two
headers in any order.
```c
#define GLFW_INCLUDE_NONE
#include <GLFW/glfw3.h>
#include <glad/gl.h>
```
### GLFW header option macros {#build_macros}
These macros may be defined before the inclusion of the GLFW header and affect
its behavior.
@anchor GLFW_DLL
__GLFW_DLL__ is required on Windows when using the GLFW DLL, to tell the
compiler that the GLFW functions are defined in a DLL.
The following macros control which OpenGL or OpenGL ES API header is included.
Only one of these may be defined at a time.
@note GLFW does not provide any of the API headers mentioned below. They are
provided by your development environment or your OpenGL, OpenGL ES or Vulkan
SDK, and most of them can be downloaded from the [Khronos Registry][registry].
[registry]: https://www.khronos.org/registry/
@anchor GLFW_INCLUDE_GLCOREARB
__GLFW_INCLUDE_GLCOREARB__ makes the GLFW header include the modern
`GL/glcorearb.h` header (`OpenGL/gl3.h` on macOS) instead of the regular OpenGL
header.
@anchor GLFW_INCLUDE_ES1
__GLFW_INCLUDE_ES1__ makes the GLFW header include the OpenGL ES 1.x `GLES/gl.h`
header instead of the regular OpenGL header.
@anchor GLFW_INCLUDE_ES2
__GLFW_INCLUDE_ES2__ makes the GLFW header include the OpenGL ES 2.0
`GLES2/gl2.h` header instead of the regular OpenGL header.
@anchor GLFW_INCLUDE_ES3
__GLFW_INCLUDE_ES3__ makes the GLFW header include the OpenGL ES 3.0
`GLES3/gl3.h` header instead of the regular OpenGL header.
@anchor GLFW_INCLUDE_ES31
__GLFW_INCLUDE_ES31__ makes the GLFW header include the OpenGL ES 3.1
`GLES3/gl31.h` header instead of the regular OpenGL header.
@anchor GLFW_INCLUDE_ES32
__GLFW_INCLUDE_ES32__ makes the GLFW header include the OpenGL ES 3.2
`GLES3/gl32.h` header instead of the regular OpenGL header.
@anchor GLFW_INCLUDE_NONE
__GLFW_INCLUDE_NONE__ makes the GLFW header not include any OpenGL or OpenGL ES
API header. This is useful in combination with an extension loading library.
If none of the above inclusion macros are defined, the standard OpenGL `GL/gl.h`
header (`OpenGL/gl.h` on macOS) is included, unless GLFW detects the inclusion
guards of any OpenGL, OpenGL ES or extension loader header it knows about.
The following macros control the inclusion of additional API headers. Any
number of these may be defined simultaneously, and/or together with one of the
above macros.
@anchor GLFW_INCLUDE_VULKAN
__GLFW_INCLUDE_VULKAN__ makes the GLFW header include the Vulkan
`vulkan/vulkan.h` header in addition to any selected OpenGL or OpenGL ES header.
@anchor GLFW_INCLUDE_GLEXT
__GLFW_INCLUDE_GLEXT__ makes the GLFW header include the appropriate extension
header for the OpenGL or OpenGL ES header selected above after and in addition
to that header.
@anchor GLFW_INCLUDE_GLU
__GLFW_INCLUDE_GLU__ makes the header include the GLU header in addition to the
header selected above. This should only be used with the standard OpenGL header
and only for compatibility with legacy code. GLU has been deprecated and should
not be used in new code.
@note None of these macros may be defined during the compilation of GLFW itself.
If your build includes GLFW and you define any these in your build files, make
sure they are not applied to the GLFW sources.
## Link with the right libraries {#build_link}
GLFW is essentially a wrapper of various platform-specific APIs and therefore
needs to link against many different system libraries. If you are using GLFW as
a shared library / dynamic library / DLL then it takes care of these links.
However, if you are using GLFW as a static library then your executable will
need to link against these libraries.
On Windows and macOS, the list of system libraries is static and can be
hard-coded into your build environment. See the section for your development
environment below. On Linux and other Unix-like operating systems, the list
varies but can be retrieved in various ways as described below.
A good general introduction to linking is [Beginner's Guide to
Linkers][linker_guide] by David Drysdale.
[linker_guide]: https://www.lurklurk.org/linkers/linkers.html
### With Visual C++ and GLFW binaries {#build_link_win32}
If you are using a downloaded [binary
archive](https://www.glfw.org/download.html), first make sure you have the
archive matching the architecture you are building for (32-bit or 64-bit), or
you will get link errors. Also make sure you are using the binaries for your
version of Visual C++ or you may get other link errors.
There are two version of the static GLFW library in the binary archive, because
it needs to use the same base run-time library variant as the rest of your
executable.
One is named `glfw3.lib` and is for projects with the _Runtime Library_ project
option set to _Multi-threaded DLL_ or _Multi-threaded Debug DLL_. The other is
named `glfw3_mt.lib` and is for projects with _Runtime Library_ set to
_Multi-threaded_ or _Multi-threaded Debug_. To use the static GLFW library you
will need to add `path/to/glfw3.lib` or `path/to/glfw3_mt.lib` to the
_Additional Dependencies_ project option.
If you compiled a GLFW static library yourself then there will only be one,
named `glfw3.lib`, and you have to make sure the run-time library variant
matches.
The DLL version of the GLFW library is named `glfw3.dll`, but you will be
linking against the `glfw3dll.lib` link library. To use the DLL you will need
to add `path/to/glfw3dll.lib` to the _Additional Dependencies_ project option.
All of its dependencies are already listed there by default, but when building
with the DLL version of GLFW, you also need to define the @ref GLFW_DLL. This
can be done either in the _Preprocessor Definitions_ project option or by
defining it in your source code before including the GLFW header.
```c
#define GLFW_DLL
#include <GLFW/glfw3.h>
```
All link-time dependencies for GLFW are already listed in the _Additional
Dependencies_ option by default.
### With MinGW-w64 and GLFW binaries {#build_link_mingw}
This is intended for building a program from the command-line or by writing
a makefile, on Windows with [MinGW-w64][] and GLFW binaries. These can be from
a downloaded and extracted [binary archive](https://www.glfw.org/download.html)
or by compiling GLFW yourself. The paths below assume a binary archive is used.
If you are using a downloaded binary archive, first make sure you have the
archive matching the architecture you are building for (32-bit or 64-bit) or you
will get link errors.
Note that the order of source files and libraries matter for GCC. Dependencies
must be listed after the files that depend on them. Any source files that
depend on GLFW must be listed before the GLFW library. GLFW in turn depends on
`gdi32` and must be listed before it.
[MinGW-w64]: https://www.mingw-w64.org/
If you are using the static version of the GLFW library, which is named
`libglfw3.a`, do:
```sh
gcc -o myprog myprog.c -I path/to/glfw/include path/to/glfw/lib-mingw-w64/libglfw3.a -lgdi32
```
If you are using the DLL version of the GLFW library, which is named
`glfw3.dll`, you will need to use the `libglfw3dll.a` link library.
```sh
gcc -o myprog myprog.c -I path/to/glfw/include path/to/glfw/lib-mingw-w64/libglfw3dll.a -lgdi32
```
The resulting executable will need to find `glfw3.dll` to run, typically by
keeping both files in the same directory.
When you are building with the DLL version of GLFW, you will also need to define
the @ref GLFW_DLL macro. This can be done in your source files, as long as it
done before including the GLFW header:
```c
#define GLFW_DLL
#include <GLFW/glfw3.h>
```
It can also be done on the command-line:
```sh
gcc -o myprog myprog.c -D GLFW_DLL -I path/to/glfw/include path/to/glfw/lib-mingw-w64/libglfw3dll.a -lgdi32
```
### With CMake and GLFW source {#build_link_cmake_source}
This section is about using CMake to compile and link GLFW along with your
application. If you want to use an installed binary instead, see @ref
build_link_cmake_package.
With a few changes to your `CMakeLists.txt` you can have the GLFW source tree
built along with your application.
Add the root directory of the GLFW source tree to your project. This will add
the `glfw` target to your project.
```cmake
add_subdirectory(path/to/glfw)
```
Once GLFW has been added, link your application against the `glfw` target.
This adds the GLFW library and its link-time dependencies as it is currently
configured, the include directory for the GLFW header and, when applicable, the
@ref GLFW_DLL macro.
```cmake
target_link_libraries(myapp glfw)
```
Note that the `glfw` target does not depend on OpenGL, as GLFW loads any OpenGL,
OpenGL ES or Vulkan libraries it needs at runtime. If your application calls
OpenGL directly, instead of using a modern
[extension loader library](@ref context_glext_auto), use the OpenGL CMake
package.
```cmake
find_package(OpenGL REQUIRED)
```
If OpenGL is found, the `OpenGL::GL` target is added to your project, containing
library and include directory paths. Link against this like any other library.
```cmake
target_link_libraries(myapp OpenGL::GL)
```
For a minimal example of a program and GLFW sources built with CMake, see the
[GLFW CMake Starter][cmake_starter] on GitHub.
[cmake_starter]: https://github.com/juliettef/GLFW-CMake-starter
### With CMake and installed GLFW binaries {#build_link_cmake_package}
This section is about using CMake to link GLFW after it has been built and
installed. If you want to build it along with your application instead, see
@ref build_link_cmake_source.
With a few changes to your `CMakeLists.txt` you can locate the package and
target files generated when GLFW is installed.
```cmake
find_package(glfw3 3.5 REQUIRED)
```
Once GLFW has been added to the project, link against it with the `glfw` target.
This adds the GLFW library and its link-time dependencies, the include directory
for the GLFW header and, when applicable, the @ref GLFW_DLL macro.
```cmake
target_link_libraries(myapp glfw)
```
Note that the `glfw` target does not depend on OpenGL, as GLFW loads any OpenGL,
OpenGL ES or Vulkan libraries it needs at runtime. If your application calls
OpenGL directly, instead of using a modern
[extension loader library](@ref context_glext_auto), use the OpenGL CMake
package.
```cmake
find_package(OpenGL REQUIRED)
```
If OpenGL is found, the `OpenGL::GL` target is added to your project, containing
library and include directory paths. Link against this like any other library.
```cmake
target_link_libraries(myapp OpenGL::GL)
```
### With pkg-config and GLFW binaries on Unix {#build_link_pkgconfig}
This is intended for building a program from the command-line or by writing
a makefile, on macOS or any Unix-like system like Linux, FreeBSD and Cygwin.
GLFW supports [pkg-config][], and the `glfw3.pc` pkg-config file is generated
when the GLFW library is built and is installed along with it. A pkg-config
file describes all necessary compile-time and link-time flags and dependencies
needed to use a library. When they are updated or if they differ between
systems, you will get the correct ones automatically.
[pkg-config]: https://www.freedesktop.org/wiki/Software/pkg-config/
A typical compile and link command-line when using the static version of the
GLFW library may look like this:
```sh
cc $(pkg-config --cflags glfw3) -o myprog myprog.c $(pkg-config --static --libs glfw3)
```
If you are using the shared version of the GLFW library, omit the `--static`
flag.
```sh
cc $(pkg-config --cflags glfw3) -o myprog myprog.c $(pkg-config --libs glfw3)
```
You can also use the `glfw3.pc` file without installing it first, by using the
`PKG_CONFIG_PATH` environment variable.
```sh
env PKG_CONFIG_PATH=path/to/glfw/src cc $(pkg-config --cflags glfw3) -o myprog myprog.c $(pkg-config --libs glfw3)
```
The dependencies do not include OpenGL, as GLFW loads any OpenGL, OpenGL ES or
Vulkan libraries it needs at runtime. If your application calls OpenGL
directly, instead of using a modern
[extension loader library](@ref context_glext_auto), you should add the `gl`
pkg-config package.
```sh
cc $(pkg-config --cflags glfw3 gl) -o myprog myprog.c $(pkg-config --libs glfw3 gl)
```
### With Xcode on macOS {#build_link_xcode}
If you are using the dynamic library version of GLFW, add it to the project
dependencies.
If you are using the static library version of GLFW, add it and the Cocoa,
OpenGL, IOKit and QuartzCore frameworks to the project as dependencies. They
can all be found in `/System/Library/Frameworks`.
### With command-line or makefile on macOS {#build_link_osx}
It is recommended that you use [pkg-config](@ref build_link_pkgconfig) when
using installed GLFW binaries from the command line on macOS. That way you will
get any new dependencies added automatically. If you still wish to build
manually, you need to add the required frameworks and libraries to your
command-line yourself using the `-l` and `-framework` switches.
If you are using the dynamic GLFW library, which is named `libglfw.3.dylib`, do:
```sh
cc -o myprog myprog.c -lglfw -framework Cocoa -framework OpenGL -framework IOKit -framework QuartzCore
```
If you are using the static library, named `libglfw3.a`, substitute `-lglfw3`
for `-lglfw`.
Note that you do not add the `.framework` extension to a framework when linking
against it from the command-line.
@note Your machine may have `libGL.*.dylib` style OpenGL library, but that is
for the X Window System and will not work with the macOS native version of GLFW.

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/*!
@page compat Standards conformance
@tableofcontents
This chapter describes the various API extensions used by this version of GLFW.
It lists what are essentially implementation details, but which are nonetheless
vital knowledge for developers wishing to deploy their applications on machines
with varied specifications.
Note that the information in this appendix is not a part of the API
specification but merely list some of the preconditions for certain parts of the
API to function on a given machine. As such, any part of it may change in
future versions without this being considered a breaking API change.
@section compat_wm ICCCM and EWMH conformance
As GLFW uses Xlib, directly, without any intervening toolkit
library, it has sole responsibility for interacting well with the many and
varied window managers in use on Unix-like systems. In order for applications
and window managers to work well together, a number of standards and
conventions have been developed that regulate behavior outside the scope of the
X11 API; most importantly the
[Inter-Client Communication Conventions Manual](http://www.tronche.com/gui/x/icccm/)
(ICCCM) and
[Extended Window Manager Hints](http://standards.freedesktop.org/wm-spec/wm-spec-latest.html)
(EWMH) standards.
GLFW uses the ICCCM `WM_DELETE_WINDOW` protocol to intercept the user
attempting to close the GLFW window. If the running window manager does not
support this protocol, the close callback will never be called.
GLFW uses the EWMH `_NET_WM_PING` protocol, allowing the window manager notify
the user when the application has stopped responding, i.e. when it has ceased to
process events. If the running window manager does not support this protocol,
the user will not be notified if the application locks up.
GLFW uses the EWMH `_NET_WM_STATE` protocol to tell the window manager to make
the GLFW window full screen. If the running window manager does not support this
protocol, full screen windows may not work properly. GLFW has a fallback code
path in case this protocol is unavailable, but every window manager behaves
slightly differently in this regard.
GLFW uses the
[clipboard manager protocol](http://www.freedesktop.org/wiki/ClipboardManager/)
to push a clipboard string (i.e. selection) owned by a GLFW window about to be
destroyed to the clipboard manager. If there is no running clipboard manager,
the clipboard string will be unavailable once the window has been destroyed.
@section compat_glx GLX extensions
The GLX API is the default API used to create OpenGL contexts on Unix-like
systems using the X Window System.
GLFW uses the `GLXFBConfig` API to enumerate and select framebuffer pixel
formats. This requires either GLX 1.3 or greater, or the `GLX_SGIX_fbconfig`
extension. Where both are available, the SGIX extension is preferred. If
neither is available, GLFW will be unable to create windows.
GLFW uses the `GLX_MESA_swap_control,` `GLX_EXT_swap_control` and
`GLX_SGI_swap_control` extensions to provide vertical retrace synchronization
(or "vsync"), in that order of preference. Where none of these extension are
available, calling @ref glfwSwapInterval will have no effect.
GLFW uses the `GLX_ARB_multisample` extension to create contexts with
multisampling anti-aliasing. Where this extension is unavailable, the
`GLFW_SAMPLES` hint will have no effect.
GLFW uses the `GLX_ARB_create_context` extension when available, even when
creating OpenGL contexts of version 2.1 and below. Where this extension is
unavailable, the `GLFW_CONTEXT_VERSION_MAJOR` and `GLFW_CONTEXT_VERSION_MINOR`
hints will only be partially supported, the `GLFW_OPENGL_DEBUG_CONTEXT` hint
will have no effect, and setting the `GLFW_OPENGL_PROFILE` or
`GLFW_OPENGL_FORWARD_COMPAT` hints to a non-zero value will cause @ref
glfwCreateWindow to fail.
GLFW uses the `GLX_ARB_create_context_profile` extension to provide support for
context profiles. Where this extension is unavailable, setting the
`GLFW_OPENGL_PROFILE` hint to anything but zero, or setting `GLFW_CLIENT_API` to
anything but `GLFW_OPENGL_API` will cause @ref glfwCreateWindow to fail.
@section compat_wgl WGL extensions
The WGL API is used to create OpenGL contexts on Microsoft Windows and other
implementations of the Win32 API, such as Wine.
GLFW uses either the `WGL_EXT_extension_string` or the
`WGL_ARB_extension_string` extension to check for the presence of all other WGL
extensions listed below. If both are available, the EXT one is preferred. If
neither is available, no other extensions are used and many GLFW features
related to context creation will have no effect or cause errors when used.
GLFW uses the `WGL_EXT_swap_control` extension to provide vertical retrace
synchronization (or 'vsync'). Where this extension is unavailable, calling @ref
glfwSwapInterval will have no effect.
GLFW uses the `WGL_ARB_pixel_format` and `WGL_ARB_multisample` extensions to
create contexts with multisampling anti-aliasing. Where these extensions are
unavailable, the `GLFW_SAMPLES` hint will have no effect.
GLFW uses the `WGL_ARB_create_context` extension when available, even when
creating OpenGL contexts of version 2.1 and below. Where this extension is
unavailable, the `GLFW_CONTEXT_VERSION_MAJOR` and `GLFW_CONTEXT_VERSION_MINOR`
hints will only be partially supported, the `GLFW_OPENGL_DEBUG_CONTEXT` hint
will have no effect, and setting the `GLFW_OPENGL_PROFILE` or
`GLFW_OPENGL_FORWARD_COMPAT` hints to a non-zero value will cause @ref
glfwCreateWindow to fail.
GLFW uses the `WGL_ARB_create_context_profile` extension to provide support for
context profiles. Where this extension is unavailable, setting the
`GLFW_OPENGL_PROFILE` hint to anything but zero will cause @ref glfwCreateWindow
to fail.
@section compat_osx OpenGL 3.2 and later on OS X
Support for OpenGL 3.2 and above was introduced with OS X 10.7 and even then
only forward-compatible, core profile contexts are supported. Support for
OpenGL 4.1 was introduced with OS X 10.9, also limited to forward-compatible,
core profile contexts. There is also still no mechanism for requesting debug
contexts. Versions of Mac OS X earlier than 10.7 support at most OpenGL
version 2.1.
Because of this, on OS X 10.7 and later, the `GLFW_CONTEXT_VERSION_MAJOR` and
`GLFW_CONTEXT_VERSION_MINOR` hints will cause @ref glfwCreateWindow to fail if
given version 3.0 or 3.1, the `GLFW_OPENGL_FORWARD_COMPAT` is required for
creating contexts for OpenGL 3.2 and later, the `GLFW_OPENGL_DEBUG_CONTEXT` hint
is ignored and setting the `GLFW_OPENGL_PROFILE` hint to anything except
`GLFW_OPENGL_CORE_PROFILE` will cause @ref glfwCreateWindow to fail.
Also, on Mac OS X 10.6 and below, the `GLFW_CONTEXT_VERSION_MAJOR` and
`GLFW_CONTEXT_VERSION_MINOR` hints will fail if given a version above 2.1, the
`GLFW_OPENGL_DEBUG_CONTEXT` hint will have no effect, and setting the
`GLFW_OPENGL_PROFILE` or `GLFW_OPENGL_FORWARD_COMPAT` hints to a non-zero value
will cause @ref glfwCreateWindow to fail.
*/

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# Standards conformance {#compat_guide}
[TOC]
This guide describes the various API extensions used by this version of GLFW.
It lists what are essentially implementation details, but which are nonetheless
vital knowledge for developers intending to deploy their applications on a wide
range of machines.
The information in this guide is not a part of GLFW API, but merely
preconditions for some parts of the library to function on a given machine. Any
part of this information may change in future versions of GLFW and that will not
be considered a breaking API change.
## X11 extensions, protocols and IPC standards {#compat_x11}
As GLFW uses Xlib directly, without any intervening toolkit library, it has sole
responsibility for interacting well with the many and varied window managers in
use on Unix-like systems. In order for applications and window managers to work
well together, a number of standards and conventions have been developed that
regulate behavior outside the scope of the X11 API; most importantly the
[Inter-Client Communication Conventions Manual][ICCCM] (ICCCM) and [Extended
Window Manager Hints][EWMH] (EWMH) standards.
[ICCCM]: https://www.tronche.com/gui/x/icccm/
[EWMH]: https://standards.freedesktop.org/wm-spec/wm-spec-latest.html
GLFW uses the `_MOTIF_WM_HINTS` window property to support borderless windows.
If the running window manager does not support this property, the
`GLFW_DECORATED` hint will have no effect.
GLFW uses the ICCCM `WM_DELETE_WINDOW` protocol to intercept the user
attempting to close the GLFW window. If the running window manager does not
support this protocol, the close callback will never be called.
GLFW uses the EWMH `_NET_WM_PING` protocol, allowing the window manager notify
the user when the application has stopped responding, i.e. when it has ceased to
process events. If the running window manager does not support this protocol,
the user will not be notified if the application locks up.
GLFW uses the EWMH `_NET_WM_STATE_FULLSCREEN` window state to tell the window
manager to make the GLFW window full screen. If the running window manager does
not support this state, full screen windows may not work properly. GLFW has
a fallback code path in case this state is unavailable, but every window manager
behaves slightly differently in this regard.
GLFW uses the EWMH `_NET_WM_BYPASS_COMPOSITOR` window property to tell a
compositing window manager to un-redirect full screen GLFW windows. If the
running window manager uses compositing but does not support this property then
additional copying may be performed for each buffer swap of full screen windows.
GLFW uses the [clipboard manager protocol][ClipboardManager] to push a clipboard
string (i.e. selection) owned by a GLFW window about to be destroyed to the
clipboard manager. If there is no running clipboard manager, the clipboard
string will be unavailable once the window has been destroyed.
[clipboardManager]: https://www.freedesktop.org/wiki/ClipboardManager/
GLFW uses the [X drag-and-drop protocol][XDND] to provide file drop events. If
the application originating the drag does not support this protocol, drag and
drop will not work.
[XDND]: https://www.freedesktop.org/wiki/Specifications/XDND/
GLFW uses the XRandR 1.3 extension to provide multi-monitor support. If the
running X server does not support this version of this extension, multi-monitor
support will not function and only a single, desktop-spanning monitor will be
reported.
GLFW uses the XRandR 1.3 and Xf86vidmode extensions to provide gamma ramp
support. If the running X server does not support either or both of these
extensions, gamma ramp support will not function.
GLFW uses the Xkb extension and detectable auto-repeat to provide keyboard
input. If the running X server does not support this extension, a non-Xkb
fallback path is used.
GLFW uses the XInput2 extension to provide raw, non-accelerated mouse motion
when the cursor is disabled. If the running X server does not support this
extension, regular accelerated mouse motion will be used.
GLFW uses both the XRender extension and the compositing manager to support
transparent window framebuffers. If the running X server does not support this
extension or there is no running compositing manager, the
`GLFW_TRANSPARENT_FRAMEBUFFER` framebuffer hint will have no effect.
GLFW uses both the Xcursor extension and the freedesktop cursor conventions to
provide an expanded set of standard cursor shapes. If the running X server does
not support this extension or the current cursor theme does not support the
conventions, the `GLFW_RESIZE_NWSE_CURSOR`, `GLFW_RESIZE_NESW_CURSOR` and
`GLFW_NOT_ALLOWED_CURSOR` shapes will not be available and other shapes may use
legacy images.
## Wayland protocols and IPC standards {#compat_wayland}
As GLFW uses libwayland directly, without any intervening toolkit library, it
has sole responsibility for interacting well with every compositor in use on
Unix-like systems. Most of the features are provided by the core protocol,
while cursor support is provided by the libwayland-cursor helper library, EGL
integration by libwayland-egl, and keyboard handling by
[libxkbcommon](https://xkbcommon.org/). In addition, GLFW uses some additional
Wayland protocols to implement certain features if the compositor supports them.
GLFW uses xkbcommon 0.5.0 to provide key and text input support. Earlier
versions are not supported.
GLFW uses the [xdg-shell][] protocol to provide better window management. This
protocol is mandatory for GLFW to display a window.
[xdg-shell]: https://wayland.app/protocols/xdg-shell
GLFW uses the [relative-pointer-unstable-v1][] protocol alongside the
[pointer-constraints-unstable-v1][] protocol to implement disabled cursor. If
the running compositor does not support both of these protocols, disabling the
cursor will have no effect.
[relative-pointer-unstable-v1]: https://wayland.app/protocols/relative-pointer-unstable-v1
[pointer-constraints-unstable-v1]: https://wayland.app/protocols/pointer-constraints-unstable-v1
GLFW uses the [idle-inhibit-unstable-v1][] protocol to prohibit the screensaver
from starting. If the running compositor does not support this protocol, the
screensaver may start even for full screen windows.
[idle-inhibit-unstable-v1]: https://wayland.app/protocols/idle-inhibit-unstable-v1
GLFW uses the [libdecor][] library for window decorations, where available.
This in turn provides good quality client-side decorations (drawn by the
application) on desktop systems that do not support server-side decorations
(drawn by the window manager). On systems that do not provide either libdecor
or xdg-decoration, very basic window decorations are provided. These do not
include the window title or any caption buttons.
[libdecor]: https://gitlab.freedesktop.org/libdecor/libdecor
GLFW uses the [xdg-decoration-unstable-v1][] protocol to request decorations to
be drawn around its windows. This protocol is part of wayland-protocols 1.15,
and mandatory at build time. If the running compositor does not support this
protocol, a very simple frame will be drawn by GLFW itself, using the
[viewporter][] protocol alongside subsurfaces. If the running compositor does
not support these protocols either, no decorations will be drawn around windows.
[xdg-decoration-unstable-v1]: https://wayland.app/protocols/xdg-decoration-unstable-v1
[viewporter]: https://wayland.app/protocols/viewporter
GLFW uses the [xdg-activation-v1][] protocol to implement window focus and
attention requests. If the running compositor does not support this protocol,
window focus and attention requests do nothing.
[xdg-activation-v1]: https://wayland.app/protocols/xdg-activation-v1
GLFW uses the [fractional-scale-v1][] protocol to implement fine-grained
framebuffer scaling. If the running compositor does not support this protocol,
the @ref GLFW_SCALE_FRAMEBUFFER window hint will only be able to scale the
framebuffer by integer scales. This will typically be the smallest integer not
less than the actual scale.
[fractional-scale-v1]: https://wayland.app/protocols/fractional-scale-v1
## GLX extensions {#compat_glx}
The GLX API is the default API used to create OpenGL contexts on Unix-like
systems using the X Window System.
GLFW uses the GLX 1.3 `GLXFBConfig` functions to enumerate and select framebuffer pixel
formats. If GLX 1.3 is not supported, @ref glfwInit will fail.
GLFW uses the `GLX_MESA_swap_control,` `GLX_EXT_swap_control` and
`GLX_SGI_swap_control` extensions to provide vertical retrace synchronization
(or _vsync_), in that order of preference. When none of these extensions are
available, calling @ref glfwSwapInterval will have no effect.
GLFW uses the `GLX_ARB_multisample` extension to create contexts with
multisampling anti-aliasing. Where this extension is unavailable, the
`GLFW_SAMPLES` hint will have no effect.
GLFW uses the `GLX_ARB_create_context` extension when available, even when
creating OpenGL contexts of version 2.1 and below. Where this extension is
unavailable, the `GLFW_CONTEXT_VERSION_MAJOR` and `GLFW_CONTEXT_VERSION_MINOR`
hints will only be partially supported, the `GLFW_CONTEXT_DEBUG` hint will have
no effect, and setting the `GLFW_OPENGL_PROFILE` or `GLFW_OPENGL_FORWARD_COMPAT`
hints to `GLFW_TRUE` will cause @ref glfwCreateWindow to fail.
GLFW uses the `GLX_ARB_create_context_profile` extension to provide support for
context profiles. Where this extension is unavailable, setting the
`GLFW_OPENGL_PROFILE` hint to anything but `GLFW_OPENGL_ANY_PROFILE`, or setting
`GLFW_CLIENT_API` to anything but `GLFW_OPENGL_API` or `GLFW_NO_API` will cause
@ref glfwCreateWindow to fail.
GLFW uses the `GLX_ARB_context_flush_control` extension to provide control over
whether a context is flushed when it is released (made non-current). Where this
extension is unavailable, the `GLFW_CONTEXT_RELEASE_BEHAVIOR` hint will have no
effect and the context will always be flushed when released.
GLFW uses the `GLX_ARB_framebuffer_sRGB` and `GLX_EXT_framebuffer_sRGB`
extensions to provide support for sRGB framebuffers. Where both of these
extensions are unavailable, the `GLFW_SRGB_CAPABLE` hint will have no effect.
## WGL extensions {#compat_wgl}
The WGL API is used to create OpenGL contexts on Microsoft Windows and other
implementations of the Win32 API, such as Wine.
GLFW uses either the `WGL_EXT_extension_string` or the
`WGL_ARB_extension_string` extension to check for the presence of all other WGL
extensions listed below. If both are available, the EXT one is preferred. If
neither is available, no other extensions are used and many GLFW features
related to context creation will have no effect or cause errors when used.
GLFW uses the `WGL_EXT_swap_control` extension to provide vertical retrace
synchronization (or _vsync_). Where this extension is unavailable, calling @ref
glfwSwapInterval will have no effect.
GLFW uses the `WGL_ARB_pixel_format` and `WGL_ARB_multisample` extensions to
create contexts with multisampling anti-aliasing. Where these extensions are
unavailable, the `GLFW_SAMPLES` hint will have no effect.
GLFW uses the `WGL_ARB_create_context` extension when available, even when
creating OpenGL contexts of version 2.1 and below. Where this extension is
unavailable, the `GLFW_CONTEXT_VERSION_MAJOR` and `GLFW_CONTEXT_VERSION_MINOR`
hints will only be partially supported, the `GLFW_CONTEXT_DEBUG` hint will have
no effect, and setting the `GLFW_OPENGL_PROFILE` or `GLFW_OPENGL_FORWARD_COMPAT`
hints to `GLFW_TRUE` will cause @ref glfwCreateWindow to fail.
GLFW uses the `WGL_ARB_create_context_profile` extension to provide support for
context profiles. Where this extension is unavailable, setting the
`GLFW_OPENGL_PROFILE` hint to anything but `GLFW_OPENGL_ANY_PROFILE` will cause
@ref glfwCreateWindow to fail.
GLFW uses the `WGL_ARB_context_flush_control` extension to provide control over
whether a context is flushed when it is released (made non-current). Where this
extension is unavailable, the `GLFW_CONTEXT_RELEASE_BEHAVIOR` hint will have no
effect and the context will always be flushed when released.
GLFW uses the `WGL_ARB_framebuffer_sRGB` and `WGL_EXT_framebuffer_sRGB`
extensions to provide support for sRGB framebuffers. When both of these
extensions are unavailable, the `GLFW_SRGB_CAPABLE` hint will have no effect.
## OpenGL on macOS {#compat_osx}
macOS (as of version 14) still provides OpenGL but it has been deprecated by
Apple. While the API is still available, it is poorly maintained and frequently
develops new issues. On modern systems, OpenGL is implemented on top of Metal
and is not fully thread-safe.
macOS does not support OpenGL stereo rendering. If the `GLFW_STEREO` hint is
set to true, OpenGL context creation will always fail.
macOS only supports OpenGL core profile contexts that are forward-compatible,
but the `GLFW_OPENGL_FORWARD_COMPAT` hint is ignored since GLFW 3.4. Even if
this hint is set to false (the default), a forward-compatible context will be
returned if available.
macOS does not support OpenGL debug contexts, no-error contexts or robustness.
The `GLFW_CONTEXT_DEBUG`, `GLFW_CONTEXT_NO_ERROR` and `GLFW_CONTEXT_ROBUSTNESS`
hints will be ignored and a context without these features will be returned.
macOS does not flush OpenGL contexts when they are made non-current. The
`GLFW_CONTEXT_RELEASE_BEHAVIOR` hint is ignored and the release behavior will
always be the equivalent of `GLFW_RELEASE_BEHAVIOR_NONE`. If you need a context
to be flushed, call `glFlush` before making it non-current.
## Vulkan loader and API {#compat_vulkan}
By default, GLFW uses the standard system-wide Vulkan loader to access the
Vulkan API on all platforms except macOS. This is installed by both graphics
drivers and Vulkan SDKs. If either the loader or at least one minimally
functional ICD is missing, @ref glfwVulkanSupported will return `GLFW_FALSE` and
all other Vulkan-related functions will fail with an @ref GLFW_API_UNAVAILABLE
error.
## Vulkan WSI extensions {#compat_wsi}
The Vulkan WSI extensions are used to create Vulkan surfaces for GLFW windows on
all supported platforms.
GLFW uses the `VK_KHR_surface` and `VK_KHR_win32_surface` extensions to create
surfaces on Microsoft Windows. If any of these extensions are not available,
@ref glfwGetRequiredInstanceExtensions will return an empty list and window
surface creation will fail.
GLFW uses the `VK_KHR_surface` and either the `VK_MVK_macos_surface` or
`VK_EXT_metal_surface` extensions to create surfaces on macOS. If any of these
extensions are not available, @ref glfwGetRequiredInstanceExtensions will
return an empty list and window surface creation will fail.
GLFW uses the `VK_KHR_surface` and either the `VK_KHR_xlib_surface` or
`VK_KHR_xcb_surface` extensions to create surfaces on X11. If `VK_KHR_surface`
or both `VK_KHR_xlib_surface` and `VK_KHR_xcb_surface` are not available, @ref
glfwGetRequiredInstanceExtensions will return an empty list and window surface
creation will fail.
GLFW uses the `VK_KHR_surface` and `VK_KHR_wayland_surface` extensions to create
surfaces on Wayland. If any of these extensions are not available, @ref
glfwGetRequiredInstanceExtensions will return an empty list and window surface
creation will fail.

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# Compiling GLFW {#compile_guide}
[TOC]
This is about compiling the GLFW library itself. For information on how to
build applications that use GLFW, see @ref build_guide.
GLFW uses some C99 features and does not support Visual Studio 2012 and earlier.
## Using CMake {#compile_cmake}
GLFW behaves like most other libraries that use CMake so this guide mostly
describes the standard configure, generate and compile sequence. If you are already
familiar with this from other projects, you may want to focus on the @ref
compile_deps and @ref compile_options sections for GLFW-specific information.
GLFW uses [CMake](https://cmake.org/) to generate project files or makefiles
for your chosen development environment. To compile GLFW, first generate these
files with CMake and then use them to compile the GLFW library.
If you are on Windows and macOS you can [download
CMake](https://cmake.org/download/) from their site.
If you are on a Unix-like system such as Linux, FreeBSD or Cygwin or have
a package system like Fink, MacPorts or Homebrew, you can install its CMake
package.
CMake is a complex tool and this guide will only show a few of the possible ways
to set up and compile GLFW. The CMake project has their own much more detailed
[CMake user guide][cmake-guide] that includes everything in this guide not
specific to GLFW. It may be a useful companion to this one.
[cmake-guide]: https://cmake.org/cmake/help/latest/guide/user-interaction/
### Installing dependencies {#compile_deps}
The C/C++ development environments in Visual Studio, Xcode and MinGW come with
all necessary dependencies for compiling GLFW, but on Unix-like systems like
Linux and FreeBSD you will need a few extra packages.
#### Dependencies for Wayland and X11 {#compile_deps_wayland}
By default, both the Wayland and X11 backends are enabled on Linux and other Unix-like
systems (except macOS). To disable one or both of these, set the @ref GLFW_BUILD_WAYLAND
or @ref GLFW_BUILD_X11 CMake options in the next step when generating build files.
To compile GLFW for both Wayland and X11, you need to have the X11, Wayland and xkbcommon
development packages installed. On some systems a few other packages are also required.
None of the development packages above are needed to build or run programs that use an
already compiled GLFW library.
On Debian and derivatives like Ubuntu and Linux Mint you will need the `libwayland-dev`
and `libxkbcommon-dev` packages to compile for Wayland and the `xorg-dev` meta-package to
compile for X11. These will pull in all other dependencies.
```sh
sudo apt install libwayland-dev libxkbcommon-dev xorg-dev
```
On Fedora and derivatives like Red Hat you will need the `wayland-devel` and
`libxkbcommon-devel` packages to compile for Wayland and the `libXcursor-devel`,
`libXi-devel`, `libXinerama-devel` and `libXrandr-devel` packages to compile for X11.
These will pull in all other dependencies.
```sh
sudo dnf install wayland-devel libxkbcommon-devel libXcursor-devel libXi-devel libXinerama-devel libXrandr-devel
```
On FreeBSD you will need the `wayland`, `libxkbcommon` and `evdev-proto` packages to
compile for Wayland. The X11 headers are installed along the end-user X11 packages, so if
you have an X server running you should have the headers as well. If not, install the
`xorgproto` package to compile for X11.
```sh
pkg install wayland libxkbcommon evdev-proto xorgproto
```
On Cygwin Wayland is not supported but you will need the `libXcursor-devel`,
`libXi-devel`, `libXinerama-devel`, `libXrandr-devel` and `libXrender-devel` packages to
compile for X11. These can be found in the Libs section of the GUI installer and will
pull in all other dependencies.
Once you have the required dependencies, move on to @ref compile_generate.
### Generating build files with CMake {#compile_generate}
Once you have all necessary dependencies it is time to generate the project
files or makefiles for your development environment. CMake needs two paths for
this:
- the path to the root directory of the GLFW source tree (not its `src`
subdirectory)
- the path to the directory where the generated build files and compiled
binaries will be placed
If these are the same, it is called an in-tree build, otherwise it is called an
out-of-tree build.
Out-of-tree builds are recommended as they avoid cluttering up the source tree.
They also allow you to have several build directories for different
configurations all using the same source tree.
A common pattern when building a single configuration is to have a build
directory named `build` in the root of the source tree.
#### Generating with the CMake GUI {#compile_generate_gui}
Start the CMake GUI and set the paths to the source and build directories
described above. Then press _Configure_ and _Generate_.
If you wish change any CMake variables in the list, press _Configure_ and then
_Generate_ to have the new values take effect. The variable list will be
populated after the first configure step.
By default, GLFW will use Wayland and X11 on Linux and other Unix-like systems other than
macOS. To disable support for one or both of these, set the @ref GLFW_BUILD_WAYLAND
and/or @ref GLFW_BUILD_X11 option in the GLFW section of the variable list, then apply the
new value as described above.
Once you have generated the project files or makefiles for your chosen
development environment, move on to @ref compile_compile.
#### Generating with command-line CMake {#compile_generate_cli}
To make a build directory, pass the source and build directories to the `cmake`
command. These can be relative or absolute paths. The build directory is
created if it doesn't already exist.
```sh
cmake -S path/to/glfw -B path/to/build
```
It is common to name the build directory `build` and place it in the root of the
source tree when only planning to build a single configuration.
```sh
cd path/to/glfw
cmake -S . -B build
```
Without other flags these will generate Visual Studio project files on Windows
and makefiles on other platforms. You can choose other targets using the `-G`
flag.
```sh
cmake -S path/to/glfw -B path/to/build -G Xcode
```
By default, GLFW will use Wayland and X11 on Linux and other Unix-like systems other than
macOS. To disable support for one or both of these, set the @ref GLFW_BUILD_WAYLAND
and/or @ref GLFW_BUILD_X11 CMake option.
```sh
cmake -S path/to/glfw -B path/to/build -D GLFW_BUILD_X11=0
```
Once you have generated the project files or makefiles for your chosen
development environment, move on to @ref compile_compile.
### Compiling the library {#compile_compile}
You should now have all required dependencies and the project files or makefiles
necessary to compile GLFW. Go ahead and compile the actual GLFW library with
these files as you would with any other project.
With Visual Studio open `GLFW.sln` and use the Build menu. With Xcode open
`GLFW.xcodeproj` and use the Project menu.
With Linux, macOS and other forms of Unix, run `make`.
```sh
cd path/to/build
make
```
With MinGW, it is `mingw32-make`.
```sh
cd path/to/build
mingw32-make
```
Any CMake build directory can also be built with the `cmake` command and the
`--build` flag.
```sh
cmake --build path/to/build
```
This will run the platform specific build tool the directory was generated for.
Once the GLFW library is compiled you are ready to build your application,
linking it to the GLFW library. See @ref build_guide for more information.
## CMake options {#compile_options}
The CMake files for GLFW provide a number of options, although not all are
available on all supported platforms. Some of these are de facto standards
among projects using CMake and so have no `GLFW_` prefix.
If you are using the GUI version of CMake, these are listed and can be changed
from there. If you are using the command-line version of CMake you can use the
`ccmake` ncurses GUI to set options. Some package systems like Ubuntu and other
distributions based on Debian GNU/Linux have this tool in a separate
`cmake-curses-gui` package.
Finally, if you don't want to use any GUI, you can set options from the `cmake`
command-line with the `-D` flag.
```sh
cmake -S path/to/glfw -B path/to/build -D BUILD_SHARED_LIBS=ON
```
### Shared CMake options {#compile_options_shared}
@anchor BUILD_SHARED_LIBS
__BUILD_SHARED_LIBS__ determines whether GLFW is built as a static library or as
a DLL / shared library / dynamic library. This is disabled by default,
producing a static GLFW library. This variable has no `GLFW_` prefix because it
is defined by CMake. If you want to change the library only for GLFW when it is
part of a larger project, see @ref GLFW_LIBRARY_TYPE.
@anchor GLFW_LIBRARY_TYPE
__GLFW_LIBRARY_TYPE__ allows you to override @ref BUILD_SHARED_LIBS only for
GLFW, without affecting other libraries in a larger project. When set, the
value of this option must be a valid CMake library type. Set it to `STATIC` to
build GLFW as a static library, `SHARED` to build it as a shared library
/ dynamic library / DLL, or `OBJECT` to make GLFW a CMake object library.
@anchor GLFW_BUILD_EXAMPLES
__GLFW_BUILD_EXAMPLES__ determines whether the GLFW examples are built
along with the library. This is enabled by default unless GLFW is being built
as a subproject of a larger CMake project.
@anchor GLFW_BUILD_TESTS
__GLFW_BUILD_TESTS__ determines whether the GLFW test programs are
built along with the library. This is enabled by default unless GLFW is being
built as a subproject of a larger CMake project.
@anchor GLFW_BUILD_DOCS
__GLFW_BUILD_DOCS__ determines whether the GLFW documentation is built along
with the library. This is enabled by default if
[Doxygen](https://www.doxygen.nl/) is found by CMake during configuration.
### Win32 specific CMake options {#compile_options_win32}
@anchor GLFW_BUILD_WIN32
__GLFW_BUILD_WIN32__ determines whether to include support for Win32 when compiling the
library. This option is only available when compiling for Windows. This is enabled by
default.
@anchor USE_MSVC_RUNTIME_LIBRARY_DLL
__USE_MSVC_RUNTIME_LIBRARY_DLL__ determines whether to use the DLL version or the
static library version of the Visual C++ runtime library. When enabled, the
DLL version of the Visual C++ library is used. This is enabled by default.
It is recommended to set the standard CMake variable [CMAKE_MSVC_RUNTIME_LIBRARY][]
instead of this GLFW-specific option.
[CMAKE_MSVC_RUNTIME_LIBRARY]: https://cmake.org/cmake/help/latest/variable/CMAKE_MSVC_RUNTIME_LIBRARY.html
@anchor GLFW_USE_HYBRID_HPG
__GLFW_USE_HYBRID_HPG__ determines whether to export the `NvOptimusEnablement` and
`AmdPowerXpressRequestHighPerformance` symbols, which force the use of the
high-performance GPU on Nvidia Optimus and AMD PowerXpress systems. These symbols
need to be exported by the EXE to be detected by the driver, so the override
will not work if GLFW is built as a DLL. This is disabled by default, letting
the operating system and driver decide.
### macOS specific CMake options {#compile_options_macos}
@anchor GLFW_BUILD_COCOA
__GLFW_BUILD_COCOA__ determines whether to include support for Cocoa when compiling the
library. This option is only available when compiling for macOS. This is enabled by
default.
### Unix-like system specific CMake options {#compile_options_unix}
@anchor GLFW_BUILD_WAYLAND
__GLFW_BUILD_WAYLAND__ determines whether to include support for Wayland when compiling
the library. This option is only available when compiling for Linux and other Unix-like
systems other than macOS. This is enabled by default.
@anchor GLFW_BUILD_X11
__GLFW_BUILD_X11__ determines whether to include support for X11 when compiling the
library. This option is only available when compiling for Linux and other Unix-like
systems other than macOS. This is enabled by default.
## Cross-compilation with CMake and MinGW {#compile_mingw_cross}
Both Cygwin and many Linux distributions have MinGW or MinGW-w64 packages. For
example, Cygwin has the `mingw64-i686-gcc` and `mingw64-x86_64-gcc` packages
for 32- and 64-bit version of MinGW-w64, while Debian GNU/Linux and derivatives
like Ubuntu have the `mingw-w64` package for both.
GLFW has CMake toolchain files in the `CMake` subdirectory that set up
cross-compilation of Windows binaries. To use these files you set the
`CMAKE_TOOLCHAIN_FILE` CMake variable with the `-D` flag add an option when
configuring and generating the build files.
```sh
cmake -S path/to/glfw -B path/to/build -D CMAKE_TOOLCHAIN_FILE=path/to/file
```
The exact toolchain file to use depends on the prefix used by the MinGW or
MinGW-w64 binaries on your system. You can usually see this in the /usr
directory. For example, both the Ubuntu and Cygwin MinGW-w64 packages have
`/usr/x86_64-w64-mingw32` for the 64-bit compilers, so the correct invocation
would be:
```sh
cmake -S path/to/glfw -B path/to/build -D CMAKE_TOOLCHAIN_FILE=CMake/x86_64-w64-mingw32.cmake
```
The path to the toolchain file is relative to the path to the GLFW source tree
passed to the `-S` flag, not to the current directory.
For more details see the [CMake toolchain guide][cmake-toolchains].
[cmake-toolchains]: https://cmake.org/cmake/help/latest/manual/cmake-toolchains.7.html
## Compiling GLFW manually {#compile_manual}
If you wish to compile GLFW without its CMake build environment then you will have to do
at least some platform-detection yourself. There are preprocessor macros for
enabling support for the platforms (window systems) available. There are also optional,
platform-specific macros for various features.
When building, GLFW will expect the necessary configuration macros to be defined
on the command-line. The GLFW CMake files set these as private compile
definitions on the GLFW target but if you compile the GLFW sources manually you
will need to define them yourself.
The window system is used to create windows, handle input, monitors, gamma ramps and
clipboard. The options are:
- @b _GLFW_COCOA to use the Cocoa frameworks
- @b _GLFW_WIN32 to use the Win32 API
- @b _GLFW_WAYLAND to use the Wayland protocol
- @b _GLFW_X11 to use the X Window System
The @b _GLFW_WAYLAND and @b _GLFW_X11 macros may be combined and produces a library that
attempts to detect the appropriate platform at initialization.
If you are building GLFW as a shared library / dynamic library / DLL then you
must also define @b _GLFW_BUILD_DLL. Otherwise, you must not define it.
If you are using a custom name for the Vulkan, EGL, GLX, OSMesa, OpenGL, GLESv1
or GLESv2 library, you can override the default names by defining those you need
of @b _GLFW_VULKAN_LIBRARY, @b _GLFW_EGL_LIBRARY, @b _GLFW_GLX_LIBRARY, @b
_GLFW_OSMESA_LIBRARY, @b _GLFW_OPENGL_LIBRARY, @b _GLFW_GLESV1_LIBRARY and @b
_GLFW_GLESV2_LIBRARY. Otherwise, GLFW will use the built-in default names.
@note None of the @ref build_macros may be defined during the compilation of
GLFW. If you define any of these in your build files, make sure they are not
applied to the GLFW sources.

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/*!
@page context Context handling guide
@tableofcontents
The primary purpose of GLFW is to provide a simple interface to window
management and OpenGL and OpenGL ES context creation. GLFW supports
multiple windows, each of which has its own context.
@section context_object Context handles
The @ref GLFWwindow object encapsulates both a window and a context. They are
created with @ref glfwCreateWindow and destroyed with @ref glfwDestroyWindow (or
@ref glfwTerminate, if any remain). As the window and context are inseparably
linked, the object pointer is used as both a context and window handle.
@section context_hints Context creation hints
There are a number of hints, specified using @ref glfwWindowHint, related to
what kind of context is created. See
[context related hints](@ref window_hints_ctx) in the window handling guide.
@section context_current Current context
Before you can use the OpenGL or OpenGL ES APIs, you need to have a current
context of the proper type. The context encapsulates all render state and all
objects like textures and shaders.
Note that a context can only be current for a single thread at a time, and
a thread can only have a single context at a time.
A context is made current with @ref glfwMakeContextCurrent.
@code
glfwMakeContextCurrent(window);
@endcode
The current context is returned by @ref glfwGetCurrentContext.
@code
GLFWwindow* window = glfwGetCurrentContext();
@endcode
@section context_swap Swapping buffers
See [swapping buffers](@ref window_swap) in the window handling guide.
@section context_glext OpenGL extension handling
One of the benefits of OpenGL is its extensibility. Independent hardware
vendors (IHVs) may include functionality in their OpenGL implementations that
expand upon the OpenGL standard before that functionality is included in a new
version of the OpenGL specification.
An extension is defined by:
- An extension name (e.g. `GL_ARB_debug_output`)
- New OpenGL tokens (e.g. `GL_DEBUG_SEVERITY_HIGH_ARB`)
- New OpenGL functions (e.g. `glGetDebugMessageLogARB`)
Note the `ARB` affix, which stands for Architecture Review Board and is used
for official extensions. There are many different affixes, depending on who
wrote the extension. A list of extensions, together with their specifications,
can be found at the [OpenGL Registry](http://www.opengl.org/registry/).
To use a certain extension, you must first check whether the context supports
that extension and then, if it introduces new functions, retrieve the pointers
to those functions.
This can be done with GLFW, as will be described in this section, but usually
you will instead want to use a dedicated extension loading library such as
[GLEW](http://glew.sourceforge.net/). This kind of library greatly reduces the
amount of work necessary to use both OpenGL extensions and modern versions of
the OpenGL API. GLEW in particular has been extensively tested with and works
well with GLFW.
@subsection context_glext_header The glext.h header
The `glext.h` header is a continually updated file that defines the interfaces
for all OpenGL extensions. The latest version of this can always be found at
the [OpenGL Registry](http://www.opengl.org/registry/). It it strongly
recommended that you use your own copy, as the one shipped with your development
environment may be several years out of date and may not include the extensions
you wish to use.
The header defines function pointer types for all functions of all extensions it
supports. These have names like `PFNGLGETDEBUGMESSAGELOGARB` (for
`glGetDebugMessageLogARB`), i.e. the name is made uppercase and `PFN` and `PROC`
are added to the ends.
@subsection context_glext_string Checking for extensions
A given machine may not actually support the extension (it may have older
drivers or a graphics card that lacks the necessary hardware features), so it
is necessary to check whether the context supports the extension. This is done
with @ref glfwExtensionSupported.
@code
if (glfwExtensionSupported("GL_ARB_debug_output"))
{
// The extension is supported by the current context
}
@endcode
The argument is a null terminated ASCII string with the extension name. If the
extension is supported, @ref glfwExtensionSupported returns non-zero, otherwise
it returns zero.
@subsection context_glext_proc Fetching function pointers
Many extensions, though not all, require the use of new OpenGL functions.
These entry points are often not exposed by your link libraries, making
it necessary to fetch them at run time. With @ref glfwGetProcAddress you can
retrieve the address of extension and non-extension OpenGL functions.
@code
PFNGLGETDEBUGMESSAGELOGARB pfnGetDebugMessageLog = glfwGetProcAddress("glGetDebugMessageLogARB");
@endcode
In general, you should avoid giving the function pointer variables the (exact)
same name as the function, as this may confuse your linker. Instead, you can
use a different prefix, like above, or some other naming scheme.
Now that all the pieces have been introduced, here is what they might look like
when used together.
@code
#include "glext.h"
#define glGetDebugMessageLogARB pfnGetDebugMessageLog
PFNGLGETDEBUGMESSAGELOGARB pfnGetDebugMessageLog;
// Flag indicating whether the extension is supported
int has_debug_output = 0;
void load_extensions(void)
{
if (glfwExtensionSupported("GL_ARB_debug_output"))
{
pfnGetDebugMessageLog = (PFNGLGETDEBUGMESSAGELOGARB) glfwGetProcAddress("glGetDebugMessageLogARB");
if (pfnGetDebugMessageLog)
{
// Both the extension name and the function pointer are present
has_debug_output = 1;
}
}
}
void some_function(void)
{
// Now the extension function can be called as usual
glGetDebugMessageLogARB(...);
}
@endcode
*/

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# Context guide {#context_guide}
[TOC]
This guide introduces the OpenGL and OpenGL ES context related functions of
GLFW. For details on a specific function in this category, see the @ref
context. There are also guides for the other areas of the GLFW API.
- @ref intro_guide
- @ref window_guide
- @ref vulkan_guide
- @ref monitor_guide
- @ref input_guide
## Context objects {#context_object}
A window object encapsulates both a top-level window and an OpenGL or OpenGL ES
context. It is created with @ref glfwCreateWindow and destroyed with @ref
glfwDestroyWindow or @ref glfwTerminate. See @ref window_creation for more
information.
As the window and context are inseparably linked, the window object also serves
as the context handle.
To test the creation of various kinds of contexts and see their properties, run
the `glfwinfo` test program.
@note Vulkan does not have a context and the Vulkan instance is created via the
Vulkan API itself. If you will be using Vulkan to render to a window, disable
context creation by setting the [GLFW_CLIENT_API](@ref GLFW_CLIENT_API_hint)
hint to `GLFW_NO_API`. For more information, see the @ref vulkan_guide.
### Context creation hints {#context_hints}
There are a number of hints, specified using @ref glfwWindowHint, related to
what kind of context is created. See
[context related hints](@ref window_hints_ctx) in the window guide.
### Context object sharing {#context_sharing}
When creating a window and its OpenGL or OpenGL ES context with @ref
glfwCreateWindow, you can specify another window whose context the new one
should share its objects (textures, vertex and element buffers, etc.) with.
```c
GLFWwindow* second_window = glfwCreateWindow(640, 480, "Second Window", NULL, first_window);
```
Object sharing is implemented by the operating system and graphics driver. On
platforms where it is possible to choose which types of objects are shared, GLFW
requests that all types are shared.
See the relevant chapter of the [OpenGL](https://www.opengl.org/registry/) or
[OpenGL ES](https://www.khronos.org/opengles/) reference documents for more
information. The name and number of this chapter unfortunately varies between
versions and APIs, but has at times been named _Shared Objects and Multiple
Contexts_.
GLFW comes with a bare-bones object sharing example program called `sharing`.
### Offscreen contexts {#context_offscreen}
GLFW doesn't support creating contexts without an associated window. However,
contexts with hidden windows can be created with the
[GLFW_VISIBLE](@ref GLFW_VISIBLE_hint) window hint.
```c
glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
GLFWwindow* offscreen_context = glfwCreateWindow(640, 480, "", NULL, NULL);
```
The window never needs to be shown and its context can be used as a plain
offscreen context. Depending on the window manager, the size of a hidden
window's framebuffer may not be usable or modifiable, so framebuffer
objects are recommended for rendering with such contexts.
You should still [process events](@ref events) as long as you have at least one
window, even if none of them are visible.
### Windows without contexts {#context_less}
You can disable context creation by setting the
[GLFW_CLIENT_API](@ref GLFW_CLIENT_API_hint) hint to `GLFW_NO_API`.
Windows without contexts should not be passed to @ref glfwMakeContextCurrent or
@ref glfwSwapBuffers. Doing this generates a @ref GLFW_NO_WINDOW_CONTEXT error.
## Current context {#context_current}
Before you can make OpenGL or OpenGL ES calls, you need to have a current
context of the correct type. A context can only be current for a single thread
at a time, and a thread can only have a single context current at a time.
When moving a context between threads, you must make it non-current on the old
thread before making it current on the new one.
The context of a window is made current with @ref glfwMakeContextCurrent.
```c
glfwMakeContextCurrent(window);
```
The window of the current context is returned by @ref glfwGetCurrentContext.
```c
GLFWwindow* window = glfwGetCurrentContext();
```
The following GLFW functions require a context to be current. Calling any these
functions without a current context will generate a @ref GLFW_NO_CURRENT_CONTEXT
error.
- @ref glfwSwapInterval
- @ref glfwExtensionSupported
- @ref glfwGetProcAddress
## Buffer swapping {#context_swap}
See @ref buffer_swap in the window guide.
## OpenGL and OpenGL ES extensions {#context_glext}
One of the benefits of OpenGL and OpenGL ES is their extensibility.
Hardware vendors may include extensions in their implementations that extend the
API before that functionality is included in a new version of the OpenGL or
OpenGL ES specification, and some extensions are never included and remain
as extensions until they become obsolete.
An extension is defined by:
- An extension name (e.g. `GL_ARB_gl_spirv`)
- New OpenGL tokens (e.g. `GL_SPIR_V_BINARY_ARB`)
- New OpenGL functions (e.g. `glSpecializeShaderARB`)
Note the `ARB` affix, which stands for Architecture Review Board and is used
for official extensions. The extension above was created by the ARB, but there
are many different affixes, like `NV` for Nvidia and `AMD` for, well, AMD. Any
group may also use the generic `EXT` affix. Lists of extensions, together with
their specifications, can be found at the
[OpenGL Registry](https://www.opengl.org/registry/) and
[OpenGL ES Registry](https://www.khronos.org/registry/gles/).
### Loading extension with a loader library {#context_glext_auto}
An extension loader library is the easiest and best way to access both OpenGL and
OpenGL ES extensions and modern versions of the core OpenGL or OpenGL ES APIs.
They will take care of all the details of declaring and loading everything you
need. One such library is [glad](https://github.com/Dav1dde/glad) and there are
several others.
The following example will use glad but all extension loader libraries work
similarly.
First you need to generate the source files using the glad Python script. This
example generates a loader for any version of OpenGL, which is the default for
both GLFW and glad, but loaders for OpenGL ES, as well as loaders for specific
API versions and extension sets can be generated. The generated files are
written to the `output` directory.
```sh
python main.py --generator c --no-loader --out-path output
```
The `--no-loader` option is added because GLFW already provides a function for
loading OpenGL and OpenGL ES function pointers, one that automatically uses the
selected context creation API, and glad can call this instead of having to
implement its own. There are several other command-line options as well. See
the glad documentation for details.
Add the generated `output/src/glad.c`, `output/include/glad/glad.h` and
`output/include/KHR/khrplatform.h` files to your build. Then you need to
include the glad header file, which will replace the OpenGL header of your
development environment. By including the glad header before the GLFW header,
it suppresses the development environment's OpenGL or OpenGL ES header.
```c
#include <glad/glad.h>
#include <GLFW/glfw3.h>
```
Finally, you need to initialize glad once you have a suitable current context.
```c
window = glfwCreateWindow(640, 480, "My Window", NULL, NULL);
if (!window)
{
...
}
glfwMakeContextCurrent(window);
gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
```
Once glad has been loaded, you have access to all OpenGL core and extension
functions supported by both the context you created and the glad loader you
generated. After that, you are ready to start rendering.
You can specify a minimum required OpenGL or OpenGL ES version with
[context hints](@ref window_hints_ctx). If your needs are more complex, you can
check the actual OpenGL or OpenGL ES version with
[context attributes](@ref window_attribs_ctx), or you can check whether
a specific version is supported by the current context with the
`GLAD_GL_VERSION_x_x` booleans.
```c
if (GLAD_GL_VERSION_3_2)
{
// Call OpenGL 3.2+ specific code
}
```
To check whether a specific extension is supported, use the `GLAD_GL_xxx`
booleans.
```c
if (GLAD_GL_ARB_gl_spirv)
{
// Use GL_ARB_gl_spirv
}
```
### Loading extensions manually {#context_glext_manual}
__Do not use this technique__ unless it is absolutely necessary. An
[extension loader library](@ref context_glext_auto) will save you a ton of
tedious, repetitive, error prone work.
To use a certain extension, you must first check whether the context supports
that extension and then, if it introduces new functions, retrieve the pointers
to those functions. GLFW provides @ref glfwExtensionSupported and @ref
glfwGetProcAddress for manual loading of extensions and new API functions.
This section will demonstrate manual loading of OpenGL extensions. The loading
of OpenGL ES extensions is identical except for the name of the extension header.
#### The glext.h header {#context_glext_header}
The `glext.h` extension header is a continually updated file that defines the
interfaces for all OpenGL extensions. The latest version of this can always be
found at the [OpenGL Registry](https://www.opengl.org/registry/). There are also
extension headers for the various versions of OpenGL ES at the
[OpenGL ES Registry](https://www.khronos.org/registry/gles/). It it strongly
recommended that you use your own copy of the extension header, as the one
included in your development environment may be several years out of date and
may not include the extensions you wish to use.
The header defines function pointer types for all functions of all extensions it
supports. These have names like `PFNGLSPECIALIZESHADERARBPROC` (for
`glSpecializeShaderARB`), i.e. the name is made uppercase and `PFN` (pointer
to function) and `PROC` (procedure) are added to the ends.
To include the extension header, define @ref GLFW_INCLUDE_GLEXT before including
the GLFW header.
```c
#define GLFW_INCLUDE_GLEXT
#include <GLFW/glfw3.h>
```
#### Checking for extensions {#context_glext_string}
A given machine may not actually support the extension (it may have older
drivers or a graphics card that lacks the necessary hardware features), so it
is necessary to check at run-time whether the context supports the extension.
This is done with @ref glfwExtensionSupported.
```c
if (glfwExtensionSupported("GL_ARB_gl_spirv"))
{
// The extension is supported by the current context
}
```
The argument is a null terminated ASCII string with the extension name. If the
extension is supported, @ref glfwExtensionSupported returns `GLFW_TRUE`,
otherwise it returns `GLFW_FALSE`.
#### Fetching function pointers {#context_glext_proc}
Many extensions, though not all, require the use of new OpenGL functions.
These functions often do not have entry points in the client API libraries of
your operating system, making it necessary to fetch them at run time. You can
retrieve pointers to these functions with @ref glfwGetProcAddress.
```c
PFNGLSPECIALIZESHADERARBPROC pfnSpecializeShaderARB = glfwGetProcAddress("glSpecializeShaderARB");
```
In general, you should avoid giving the function pointer variables the (exact)
same name as the function, as this may confuse your linker. Instead, you can
use a different prefix, like above, or some other naming scheme.
Now that all the pieces have been introduced, here is what they might look like
when used together.
```c
#define GLFW_INCLUDE_GLEXT
#include <GLFW/glfw3.h>
#define glSpecializeShaderARB pfnSpecializeShaderARB
PFNGLSPECIALIZESHADERARBPROC pfnSpecializeShaderARB;
// Flag indicating whether the extension is supported
int has_ARB_gl_spirv = 0;
void load_extensions(void)
{
if (glfwExtensionSupported("GL_ARB_gl_spirv"))
{
pfnSpecializeShaderARB = (PFNGLSPECIALIZESHADERARBPROC)
glfwGetProcAddress("glSpecializeShaderARB");
has_ARB_gl_spirv = 1;
}
}
void some_function(void)
{
if (has_ARB_gl_spirv)
{
// Now the extension function can be called as usual
glSpecializeShaderARB(...);
}
}
```

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<a href="https://www.glfw.org/" id="glfwhome">GLFW</a>
<ul class="glfwnavbar">
<li><a href="https://www.glfw.org/documentation.html">Documentation</a></li>
<li><a href="https://www.glfw.org/download.html">Download</a></li>
<li><a href="https://www.glfw.org/community.html">Community</a></li>
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# Internal structure {#internals_guide}
/*!
[TOC]
@page internals Internal structure
@tableofcontents
There are several interfaces inside GLFW. Each interface has its own area of
responsibility and its own naming conventions.
## Public interface {#internals_public}
@section internals_public Public interface
The most well-known is the public interface, described in the glfw3.h header
file. This is implemented in source files shared by all platforms and these
@ -17,10 +19,11 @@ The public interface uses the OpenGL naming conventions except with GLFW and
glfw instead of GL and gl. For struct members, where OpenGL sets no precedent,
it use headless camel case.
Examples: `glfwCreateWindow`, `GLFWwindow`, `GLFW_RED_BITS`
Examples: @ref glfwCreateWindow, @ref GLFWwindow, @ref GLFWvidmode.redBits,
`GLFW_RED_BITS`
## Native interface {#internals_native}
@section internals_native Native interface
The [native interface](@ref native) is a small set of publicly available
but platform-specific functions, described in the glfw3native.h header file and
@ -31,10 +34,10 @@ The function names of the native interface are similar to those of the public
interface, but embeds the name of the interface that the returned handle is
from.
Examples: `glfwGetX11Window`, `glfwGetWGLContext`
Examples: @ref glfwGetX11Window, @ref glfwGetWGLContext
## Internal interface {#internals_internal}
@section internals_internal Internal interface
The internal interface consists of utility functions used by all other
interfaces. It is shared code implemented in the same shared source files as
@ -47,33 +50,24 @@ a `_GLFWlibrary` struct named `_glfw`.
The internal interface uses the same style as the public interface, except all
global names have a leading underscore.
Examples: `_glfwIsValidContextConfig`, `_GLFWwindow`, `_glfw.monitorCount`
Examples: @ref _glfwIsValidContextConfig, @ref _GLFWwindow, `_glfw.currentRamp`
## Platform interface {#internals_platform}
@section internals_platform Platform interface
The platform interface implements all platform-specific operations as a service
to the public interface. This includes event processing. The platform
interface is never directly called by application code and never directly calls
application-provided callbacks. It is also prohibited from modifying the
platform-independent part of the internal structs. Instead, it calls the event
interface when events interesting to GLFW are received.
interface is never directly called by users of GLFW and never directly calls the
user's code. It is also prohibited from modifying the platform-independent part
of the internal structs. Instead, it calls the event interface when events
interesting to GLFW are received.
The platform interface mostly mirrors those parts of the public interface that needs to
perform platform-specific operations on some or all platforms.
The platform interface mirrors those parts of the public interface that needs to
perform platform-specific operations on some or all platforms. The are also
named the same except that the glfw function prefix is replaced by
_glfwPlatform.
The window system bits of the platform API is called through the `_GLFWplatform` struct of
function pointers, to allow runtime selection of platform. This includes the window and
context creation, input and event processing, monitor and Vulkan surface creation parts of
GLFW. This is located in the global `_glfw` struct.
Examples: `_glfw.platform.createWindow`
The timer, threading and module loading bits of the platform API are plain functions with
a `_glfwPlatform` prefix, as these things are independent of what window system is being
used.
Examples: `_glfwPlatformGetTimerValue`
Examples: @ref _glfwPlatformCreateWindow
The platform interface also defines structs that contain platform-specific
global and per-object state. Their names mirror those of the internal
@ -85,36 +79,38 @@ These structs are incorporated as members into the internal interface structs
using special macros that name them after the specific interface used. This
prevents shared code from accidentally using these members.
Examples: `window->win32.handle`, `_glfw.x11.display`
Examples: `window.win32.handle`, `_glfw.x11.display`
## Event interface {#internals_event}
@section internals_event Event interface
The event interface is implemented in the same shared source files as the public
interface and is responsible for delivering the events it receives to the
application, either via callbacks, via window state changes or both.
interface and is responsible for delivering the events it receives to the user,
either via callbacks, via window state changes or both.
The function names of the event interface use a `_glfwInput` prefix and the
ObjectEvent pattern.
Examples: `_glfwInputWindowFocus`, `_glfwInputCursorPos`
Examples: @ref _glfwInputWindowFocus, @ref _glfwInputCursorMotion
## Static functions {#internals_static}
@section internals_static Static functions
Static functions may be used by any interface and have no prefixes or suffixes.
These use headless camel case.
Examples: `isValidElementForJoystick`
Examples: `clearScrollOffsets`
## Configuration macros {#internals_config}
@section internals_config Configuration macros
GLFW uses a number of configuration macros to select at compile time which
interfaces and code paths to use. They are defined in the GLFW CMake target.
interfaces and code paths to use. They are defined in the config.h header file,
which is generated from the `config.h.in` file by CMake.
Configuration macros the same style as tokens in the public interface, except
with a leading underscore.
Examples: `_GLFW_WIN32`, `_GLFW_BUILD_DLL`
Examples: `_GLFW_HAS_GLXGETPROCADDRESS`
*/

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# Introduction to the API {#intro_guide}
[TOC]
This guide introduces the basic concepts of GLFW and describes initialization,
error handling and API guarantees and limitations. For a broad but shallow
tutorial, see @ref quick_guide instead. For details on a specific function in
this category, see the @ref init.
There are also guides for the other areas of GLFW.
- @ref window_guide
- @ref context_guide
- @ref vulkan_guide
- @ref monitor_guide
- @ref input_guide
## Initialization and termination {#intro_init}
Before most GLFW functions may be called, the library must be initialized.
This initialization checks what features are available on the machine,
enumerates monitors, initializes the timer and performs any required
platform-specific initialization.
Only the following functions may be called before the library has been
successfully initialized, and only from the main thread.
- @ref glfwGetVersion
- @ref glfwGetVersionString
- @ref glfwPlatformSupported
- @ref glfwGetError
- @ref glfwSetErrorCallback
- @ref glfwInitHint
- @ref glfwInitAllocator
- @ref glfwInitVulkanLoader
- @ref glfwInit
- @ref glfwTerminate
Calling any other function before successful initialization will cause a @ref
GLFW_NOT_INITIALIZED error.
### Initializing GLFW {#intro_init_init}
The library is initialized with @ref glfwInit, which returns `GLFW_FALSE` if an
error occurred.
```c
if (!glfwInit())
{
// Handle initialization failure
}
```
If any part of initialization fails, any parts that succeeded are terminated as
if @ref glfwTerminate had been called. The library only needs to be initialized
once and additional calls to an already initialized library will return
`GLFW_TRUE` immediately.
Once the library has been successfully initialized, it should be terminated
before the application exits. Modern systems are very good at freeing resources
allocated by programs that exit, but GLFW sometimes has to change global system
settings and these might not be restored without termination.
@macos When the library is initialized the main menu and dock icon are created.
These are not desirable for a command-line only program. The creation of the
main menu and dock icon can be disabled with the @ref GLFW_COCOA_MENUBAR init
hint.
### Initialization hints {#init_hints}
Initialization hints are set before @ref glfwInit and affect how the library
behaves until termination. Hints are set with @ref glfwInitHint.
```c
glfwInitHint(GLFW_JOYSTICK_HAT_BUTTONS, GLFW_FALSE);
```
The values you set hints to are never reset by GLFW, but they only take effect
during initialization. Once GLFW has been initialized, any values you set will
be ignored until the library is terminated and initialized again.
Some hints are platform specific. These may be set on any platform but they
will only affect their specific platform. Other platforms will ignore them.
Setting these hints requires no platform specific headers or functions.
#### Shared init hints {#init_hints_shared}
@anchor GLFW_PLATFORM
__GLFW_PLATFORM__ specifies the platform to use for windowing and input.
Possible values are `GLFW_ANY_PLATFORM`, `GLFW_PLATFORM_WIN32`,
`GLFW_PLATFORM_COCOA`, `GLFW_PLATFORM_WAYLAND`, `GLFW_PLATFORM_X11` and
`GLFW_PLATFORM_NULL`. The default value is `GLFW_ANY_PLATFORM`, which will
choose any platform the library includes support for except for the Null
backend.
@anchor GLFW_JOYSTICK_HAT_BUTTONS
__GLFW_JOYSTICK_HAT_BUTTONS__ specifies whether to also expose joystick hats as
buttons, for compatibility with earlier versions of GLFW that did not have @ref
glfwGetJoystickHats. Possible values are `GLFW_TRUE` and `GLFW_FALSE`.
@anchor GLFW_ANGLE_PLATFORM_TYPE_hint
__GLFW_ANGLE_PLATFORM_TYPE__ specifies the platform type (rendering backend) to
request when using OpenGL ES and EGL via [ANGLE][]. If the requested platform
type is unavailable, ANGLE will use its default. Possible values are one of
`GLFW_ANGLE_PLATFORM_TYPE_NONE`, `GLFW_ANGLE_PLATFORM_TYPE_OPENGL`,
`GLFW_ANGLE_PLATFORM_TYPE_OPENGLES`, `GLFW_ANGLE_PLATFORM_TYPE_D3D9`,
`GLFW_ANGLE_PLATFORM_TYPE_D3D11`, `GLFW_ANGLE_PLATFORM_TYPE_VULKAN` and
`GLFW_ANGLE_PLATFORM_TYPE_METAL`.
[ANGLE]: https://chromium.googlesource.com/angle/angle/
The ANGLE platform type is specified via the `EGL_ANGLE_platform_angle`
extension. This extension is not used if this hint is
`GLFW_ANGLE_PLATFORM_TYPE_NONE`, which is the default value.
#### macOS specific init hints {#init_hints_osx}
@anchor GLFW_COCOA_CHDIR_RESOURCES_hint
__GLFW_COCOA_CHDIR_RESOURCES__ specifies whether to set the current directory to
the application to the `Contents/Resources` subdirectory of the application's
bundle, if present. Possible values are `GLFW_TRUE` and `GLFW_FALSE`. This is
ignored on other platforms.
@anchor GLFW_COCOA_MENUBAR_hint
__GLFW_COCOA_MENUBAR__ specifies whether to create the menu bar and dock icon
when GLFW is initialized. This applies whether the menu bar is created from
a nib or manually by GLFW. Possible values are `GLFW_TRUE` and `GLFW_FALSE`.
This is ignored on other platforms.
#### Wayland specific init hints {#init_hints_wayland}
@anchor GLFW_WAYLAND_LIBDECOR_hint
__GLFW_WAYLAND_LIBDECOR__ specifies whether to use [libdecor][] for window
decorations where available. Possible values are `GLFW_WAYLAND_PREFER_LIBDECOR`
and `GLFW_WAYLAND_DISABLE_LIBDECOR`. This is ignored on other platforms.
[libdecor]: https://gitlab.freedesktop.org/libdecor/libdecor
#### X11 specific init hints {#init_hints_x11}
@anchor GLFW_X11_XCB_VULKAN_SURFACE_hint
__GLFW_X11_XCB_VULKAN_SURFACE__ specifies whether to prefer the
`VK_KHR_xcb_surface` extension for creating Vulkan surfaces, or whether to use
the `VK_KHR_xlib_surface` extension. Possible values are `GLFW_TRUE` and
`GLFW_FALSE`. This is ignored on other platforms.
#### Supported and default values {#init_hints_values}
Initialization hint | Default value | Supported values
-------------------------------- | ------------------------------- | ----------------
@ref GLFW_PLATFORM | `GLFW_ANY_PLATFORM` | `GLFW_ANY_PLATFORM`, `GLFW_PLATFORM_WIN32`, `GLFW_PLATFORM_COCOA`, `GLFW_PLATFORM_WAYLAND`, `GLFW_PLATFORM_X11` or `GLFW_PLATFORM_NULL`
@ref GLFW_JOYSTICK_HAT_BUTTONS | `GLFW_TRUE` | `GLFW_TRUE` or `GLFW_FALSE`
@ref GLFW_ANGLE_PLATFORM_TYPE | `GLFW_ANGLE_PLATFORM_TYPE_NONE` | `GLFW_ANGLE_PLATFORM_TYPE_NONE`, `GLFW_ANGLE_PLATFORM_TYPE_OPENGL`, `GLFW_ANGLE_PLATFORM_TYPE_OPENGLES`, `GLFW_ANGLE_PLATFORM_TYPE_D3D9`, `GLFW_ANGLE_PLATFORM_TYPE_D3D11`, `GLFW_ANGLE_PLATFORM_TYPE_VULKAN` or `GLFW_ANGLE_PLATFORM_TYPE_METAL`
@ref GLFW_COCOA_CHDIR_RESOURCES | `GLFW_TRUE` | `GLFW_TRUE` or `GLFW_FALSE`
@ref GLFW_COCOA_MENUBAR | `GLFW_TRUE` | `GLFW_TRUE` or `GLFW_FALSE`
@ref GLFW_WAYLAND_LIBDECOR | `GLFW_WAYLAND_PREFER_LIBDECOR` | `GLFW_WAYLAND_PREFER_LIBDECOR` or `GLFW_WAYLAND_DISABLE_LIBDECOR`
@ref GLFW_X11_XCB_VULKAN_SURFACE | `GLFW_TRUE` | `GLFW_TRUE` or `GLFW_FALSE`
### Runtime platform selection {#platform}
GLFW can be compiled for more than one platform (window system) at once. This lets
a single library binary support both Wayland and X11 on Linux and other Unix-like systems.
You can control platform selection via the @ref GLFW_PLATFORM initialization hint. By
default, this is set to @ref GLFW_ANY_PLATFORM, which will look for supported window
systems in order of priority and select the first one it finds. It can also be set to any
specific platform to have GLFW only look for that one.
```c
glfwInitHint(GLFW_PLATFORM, GLFW_PLATFORM_X11);
```
This mechanism also provides the Null platform, which is always supported but needs to be
explicitly requested. This platform is effectively a stub, emulating a window system on
a single 1080p monitor, but will not interact with any actual window system.
```c
glfwInitHint(GLFW_PLATFORM, GLFW_PLATFORM_NULL);
```
You can test whether a library binary was compiled with support for a specific platform
with @ref glfwPlatformSupported.
```c
if (glfwPlatformSupported(GLFW_PLATFORM_WAYLAND))
glfwInitHint(GLFW_PLATFORM, GLFW_PLATFORM_WAYLAND);
```
Once GLFW has been initialized, you can query which platform was selected with @ref
glfwGetPlatform.
```c
int platform = glfwGetPlatform();
```
If you are using any [native access functions](@ref native), especially on Linux and other
Unix-like systems, then you may need to check that you are calling the ones matching the
selected platform.
### Custom heap memory allocator {#init_allocator}
The heap memory allocator can be customized before initialization with @ref
glfwInitAllocator.
```c
GLFWallocator allocator;
allocator.allocate = my_malloc;
allocator.reallocate = my_realloc;
allocator.deallocate = my_free;
allocator.user = NULL;
glfwInitAllocator(&allocator);
```
The allocator will be made active at the beginning of initialization and will be used by
GLFW until the library has been fully terminated. Any allocator set after initialization
will be picked up only at the next initialization.
The allocator will only be used for allocations that would have been made with
the C standard library. Memory allocations that must be made with platform
specific APIs will still use those.
The allocation function must have a signature matching @ref GLFWallocatefun. It receives
the desired size, in bytes, and the user pointer passed to @ref glfwInitAllocator and
returns the address to the allocated memory block.
```c
void* my_malloc(size_t size, void* user)
{
...
}
```
The documentation for @ref GLFWallocatefun also lists the requirements and limitations for
an allocation function. If the active one does not meet all of these, GLFW may fail.
The reallocation function must have a function signature matching @ref GLFWreallocatefun.
It receives the memory block to be reallocated, the new desired size, in bytes, and the user
pointer passed to @ref glfwInitAllocator and returns the address to the resized memory
block.
```c
void* my_realloc(void* block, size_t size, void* user)
{
...
}
```
The documentation for @ref GLFWreallocatefun also lists the requirements and limitations
for a reallocation function. If the active one does not meet all of these, GLFW may fail.
The deallocation function must have a function signature matching @ref GLFWdeallocatefun.
It receives the memory block to be deallocated and the user pointer passed to @ref
glfwInitAllocator.
```c
void my_free(void* block, void* user)
{
...
}
```
The documentation for @ref GLFWdeallocatefun also lists the requirements and limitations
for a deallocation function. If the active one does not meet all of these, GLFW may fail.
### Terminating GLFW {#intro_init_terminate}
Before your application exits, you should terminate the GLFW library if it has
been initialized. This is done with @ref glfwTerminate.
```c
glfwTerminate();
```
This will destroy any remaining window, monitor and cursor objects, restore any
modified gamma ramps, re-enable the screensaver if it had been disabled and free
any other resources allocated by GLFW.
Once the library is terminated, it is as if it had never been initialized, therefore
you will need to initialize it again before being able to use GLFW. If the
library was not initialized or had already been terminated, it returns
immediately.
## Error handling {#error_handling}
Some GLFW functions have return values that indicate an error, but this is often
not very helpful when trying to figure out what happened or why it occurred.
Other functions have no return value reserved for errors, so error notification
needs a separate channel. Finally, far from all GLFW functions have return
values.
The last [error code](@ref errors) for the calling thread can be queried at any
time with @ref glfwGetError.
```c
int code = glfwGetError(NULL);
if (code != GLFW_NO_ERROR)
handle_error(code);
```
If no error has occurred since the last call, @ref GLFW_NO_ERROR (zero) is
returned. The error is cleared before the function returns.
The error code indicates the general category of the error. Some error codes,
such as @ref GLFW_NOT_INITIALIZED has only a single meaning, whereas others like
@ref GLFW_PLATFORM_ERROR are used for many different errors.
GLFW often has more information about an error than its general category. You
can retrieve a UTF-8 encoded human-readable description along with the error
code. If no error has occurred since the last call, the description is set to
`NULL`.
```c
const char* description;
int code = glfwGetError(&description);
if (description)
display_error_message(code, description);
```
The retrieved description string is only valid until the next error occurs.
This means you must make a copy of it if you want to keep it.
You can also set an error callback, which will be called each time an error
occurs. It is set with @ref glfwSetErrorCallback.
```c
glfwSetErrorCallback(error_callback);
```
The error callback receives the same error code and human-readable description
returned by @ref glfwGetError.
```c
void error_callback(int code, const char* description)
{
display_error_message(code, description);
}
```
The error callback is called after the error is stored, so calling @ref
glfwGetError from within the error callback returns the same values as the
callback argument.
The description string passed to the callback is only valid until the error
callback returns. This means you must make a copy of it if you want to keep it.
__Reported errors are never fatal.__ As long as GLFW was successfully
initialized, it will remain initialized and in a safe state until terminated
regardless of how many errors occur. If an error occurs during initialization
that causes @ref glfwInit to fail, any part of the library that was initialized
will be safely terminated.
Do not rely on a currently invalid call to generate a specific error, as in the
future that same call may generate a different error or become valid.
## Coordinate systems {#coordinate_systems}
GLFW has two primary coordinate systems: the _virtual screen_ and the window
_content area_ or _content area_. Both use the same unit: _virtual screen
coordinates_, or just _screen coordinates_, which don't necessarily correspond
to pixels.
<img src="spaces.svg" width="90%" />
Both the virtual screen and the content area coordinate systems have the X-axis
pointing to the right and the Y-axis pointing down.
Window and monitor positions are specified as the position of the upper-left
corners of their content areas relative to the virtual screen, while cursor
positions are specified relative to a window's content area.
Because the origin of the window's content area coordinate system is also the
point from which the window position is specified, you can translate content
area coordinates to the virtual screen by adding the window position. The
window frame, when present, extends out from the content area but does not
affect the window position.
Almost all positions and sizes in GLFW are measured in screen coordinates
relative to one of the two origins above. This includes cursor positions,
window positions and sizes, window frame sizes, monitor positions and video mode
resolutions.
Two exceptions are the [monitor physical size](@ref monitor_size), which is
measured in millimetres, and [framebuffer size](@ref window_fbsize), which is
measured in pixels.
Pixels and screen coordinates may map 1:1 on your machine, but they won't on
every other machine, for example on a Mac with a Retina display. The ratio
between screen coordinates and pixels may also change at run-time depending on
which monitor the window is currently considered to be on.
## Guarantees and limitations {#guarantees_limitations}
This section describes the conditions under which GLFW can be expected to
function, barring bugs in the operating system or drivers. Use of GLFW outside
these limits may work on some platforms, or on some machines, or some of the
time, or on some versions of GLFW, but it may break at any time and this will
not be considered a bug.
### Pointer lifetimes {#lifetime}
GLFW will never free any pointer you provide to it, and you must never free any
pointer it provides to you.
Many GLFW functions return pointers to dynamically allocated structures, strings
or arrays, and some callbacks are provided with strings or arrays. These are
always managed by GLFW and should never be freed by the application. The
lifetime of these pointers is documented for each GLFW function and callback.
If you need to keep this data, you must copy it before its lifetime expires.
Many GLFW functions accept pointers to structures or strings allocated by the
application. These are never freed by GLFW and are always the responsibility of
the application. If GLFW needs to keep the data in these structures or strings,
it is copied before the function returns.
Pointer lifetimes are guaranteed not to be shortened in future minor or patch
releases.
### Reentrancy {#reentrancy}
GLFW event processing and object destruction are not reentrant. This means that
the following functions must not be called from any callback function:
- @ref glfwDestroyWindow
- @ref glfwDestroyCursor
- @ref glfwPollEvents
- @ref glfwWaitEvents
- @ref glfwWaitEventsTimeout
- @ref glfwTerminate
These functions may be made reentrant in future minor or patch releases, but
functions not on this list will not be made non-reentrant.
### Thread safety {#thread_safety}
Most GLFW functions must only be called from the main thread (the thread that
calls main), but some may be called from any thread once the library has been
initialized. Before initialization the whole library is thread-unsafe.
The reference documentation for every GLFW function states whether it is limited
to the main thread.
Initialization, termination, event processing and the creation and
destruction of windows, cursors and OpenGL and OpenGL ES contexts are all
restricted to the main thread due to limitations of one or several platforms.
Because event processing must be performed on the main thread, all callbacks
except for the error callback will only be called on that thread. The error
callback may be called on any thread, as any GLFW function may generate errors.
The error code and description may be queried from any thread.
- @ref glfwGetError
Empty events may be posted from any thread.
- @ref glfwPostEmptyEvent
The window user pointer and close flag may be read and written from any thread,
but this is not synchronized by GLFW.
- @ref glfwGetWindowUserPointer
- @ref glfwSetWindowUserPointer
- @ref glfwWindowShouldClose
- @ref glfwSetWindowShouldClose
These functions for working with OpenGL and OpenGL ES contexts may be called
from any thread, but the window object is not synchronized by GLFW.
- @ref glfwMakeContextCurrent
- @ref glfwGetCurrentContext
- @ref glfwSwapBuffers
- @ref glfwSwapInterval
- @ref glfwExtensionSupported
- @ref glfwGetProcAddress
The raw timer functions may be called from any thread.
- @ref glfwGetTimerFrequency
- @ref glfwGetTimerValue
The regular timer may be used from any thread, but reading and writing the timer
offset is not synchronized by GLFW.
- @ref glfwGetTime
- @ref glfwSetTime
Library version information may be queried from any thread.
- @ref glfwGetVersion
- @ref glfwGetVersionString
Platform information may be queried from any thread.
- @ref glfwPlatformSupported
- @ref glfwGetPlatform
All Vulkan related functions may be called from any thread.
- @ref glfwVulkanSupported
- @ref glfwGetRequiredInstanceExtensions
- @ref glfwGetInstanceProcAddress
- @ref glfwGetPhysicalDevicePresentationSupport
- @ref glfwCreateWindowSurface
GLFW uses synchronization objects internally only to manage the per-thread
context and error states. Additional synchronization is left to the
application.
Functions that may currently be called from any thread will always remain so,
but functions that are currently limited to the main thread may be updated to
allow calls from any thread in future releases.
### Version compatibility {#compatibility}
GLFW uses [Semantic Versioning](https://semver.org/). This guarantees source
and binary backward compatibility with earlier minor versions of the API. This
means that you can drop in a newer version of the library and existing programs
will continue to compile and existing binaries will continue to run.
Once a function or constant has been added, the signature of that function or
value of that constant will remain unchanged until the next major version of
GLFW. No compatibility of any kind is guaranteed between major versions.
Undocumented behavior, i.e. behavior that is not described in the documentation,
may change at any time until it is documented.
If the reference documentation and the implementation differ, the reference
documentation will almost always take precedence and the implementation will be
fixed in the next release. The reference documentation will also take
precedence over anything stated in a guide.
### Event order {#event_order}
The order of arrival of related events is not guaranteed to be consistent
across platforms. The exception is synthetic key and mouse button release
events, which are always delivered after the window defocus event.
## Version management {#intro_version}
GLFW provides mechanisms for identifying what version of GLFW your application
was compiled against as well as what version it is currently running against.
If you are loading GLFW dynamically (not just linking dynamically), you can use
this to verify that the library binary is compatible with your application.
### Compile-time version {#intro_version_compile}
The compile-time version of GLFW is provided by the GLFW header with the
`GLFW_VERSION_MAJOR`, `GLFW_VERSION_MINOR` and `GLFW_VERSION_REVISION` macros.
```c
printf("Compiled against GLFW %i.%i.%i\n",
GLFW_VERSION_MAJOR,
GLFW_VERSION_MINOR,
GLFW_VERSION_REVISION);
```
### Run-time version {#intro_version_runtime}
The run-time version can be retrieved with @ref glfwGetVersion, a function that
may be called regardless of whether GLFW is initialized.
```c
int major, minor, revision;
glfwGetVersion(&major, &minor, &revision);
printf("Running against GLFW %i.%i.%i\n", major, minor, revision);
```
### Version string {#intro_version_string}
GLFW 3 also provides a compile-time generated version string that describes the
version, platform, compiler and any platform-specific compile-time options.
This is primarily intended for submitting bug reports, to allow developers to
see which code paths are enabled in a binary.
The version string is returned by @ref glfwGetVersionString, a function that may
be called regardless of whether GLFW is initialized.
__Do not use the version string__ to parse the GLFW library version. The @ref
glfwGetVersion function already provides the version of the running library
binary.
__Do not use the version string__ to parse what platforms are supported. The @ref
glfwPlatformSupported function lets you query platform support.
__GLFW 3.4:__ The format of this string was changed to support the addition of
[runtime platform selection](@ref platform).
The format of the string is as follows:
- The version of GLFW
- For each supported platform:
- The name of the window system API
- The name of the window system specific context creation API, if applicable
- The names of the always supported context creation APIs EGL and OSMesa
- Any additional compile-time options, APIs and (on Windows) what compiler was used
For example, compiling GLFW 3.5 with MinGW as a DLL for Windows, may result in a version string
like this:
```c
3.5.0 Win32 WGL Null EGL OSMesa MinGW DLL
```
Compiling GLFW as a static library for Linux, with both Wayland and X11 enabled, may
result in a version string like this:
```c
3.5.0 Wayland X11 GLX Null EGL OSMesa monotonic
```

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/*!
@mainpage notitle
@section main_intro Introduction
GLFW is a free, Open Source, multi-platform library for opening a window,
creating an OpenGL context and managing input. It is easy to integrate into
existing applications and does not lay claim to the main loop.
This is the documentation for version 3.0, which has [many new features](@ref news).
There is a [quick tutorial](@ref quick) for people new to GLFW, which shows how
to write a small but complete program.
If you have used GLFW 2.x in the past, there is a
[transition guide](@ref moving) that explains what has changed and how to update
existing code to use the new API.
*/

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# Introduction {#mainpage}
GLFW is a free, Open Source, multi-platform library for OpenGL, OpenGL ES and
Vulkan application development. It provides a simple, platform-independent API
for creating windows, contexts and surfaces, reading input, handling events, etc.
@ref news list new features, caveats and deprecations.
@ref quick_guide is a guide for users new to GLFW. It takes you through how to
write a small but complete program.
There are guides for each section of the API:
- @ref intro_guide – initialization, error handling and high-level design
- @ref window_guide – creating and working with windows and framebuffers
- @ref context_guide – working with OpenGL and OpenGL ES contexts
- @ref vulkan_guide - working with Vulkan objects and extensions
- @ref monitor_guide – enumerating and working with monitors and video modes
- @ref input_guide – receiving events, polling and processing input
Once you have written a program, see @ref compile_guide and @ref build_guide.
The [reference documentation](modules.html) provides more detailed information
about specific functions.
@ref moving_guide explains what has changed and how to update existing code to
use the new API.
There is a section on @ref guarantees_limitations for pointer lifetimes,
reentrancy, thread safety, event order and backward and forward compatibility.
Finally, @ref compat_guide explains what APIs, standards and protocols GLFW uses
and what happens when they are not present on a given machine.
This documentation was generated with Doxygen. The sources for it are available
in both the [source distribution](https://www.glfw.org/download.html) and
[GitHub repository](https://github.com/glfw/glfw).

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/*!
@page monitor Multi-monitor guide
@tableofcontents
@section monitor_objects Monitor objects
The @ref GLFWmonitor object represents a currently connected monitor.
@section monitor_monitors Retrieving monitors
The primary monitor is returned by @ref glfwGetPrimaryMonitor. It is usually
the user's preferred monitor and the one with global UI elements like task bar
or menu bar.
@code
GLFWmonitor* primary = glfwGetPrimaryMonitor();
@endcode
You can retrieve all currently connected monitors with @ref glfwGetMonitors.
@code
int count;
GLFWmonitor** monitors = glfwGetMonitors(&count);
@endcode
@section monitor_modes Retrieving video modes
Although GLFW generally does a good job at selecting a suitable video
mode for you when you open a full screen window, it is sometimes useful to
know exactly which modes are available on a certain system. For example,
you may want to present the user with a list of video modes to select
from. To get a list of available video modes, you can use the function
@ref glfwGetVideoModes.
@code
int count;
GLFWvidmode* modes = glfwGetVideoModes(monitor, &count);
@endcode
To get the current video mode of a monitor call @ref glfwGetVideoMode.
@code
const GLFWvidmode* mode = glfwGetVideoMode(monitor);
@endcode
@section monitor_size Monitor physical size
The physical size in millimetres of a monitor, or an approximation of it, can be
retrieved with @ref glfwGetMonitorPhysicalSize.
@code
int widthMM, heightMM;
glfwGetMonitorPhysicalSize(monitor, &widthMM, &heightMM);
@endcode
This can, for example, be used together with the current video mode to calculate
the DPI of a monitor.
@code
const double dpi = mode->width / (widthMM / 25.4);
@endcode
@section monitor_name Monitor name
The name of a monitor is returned by @ref glfwGetMonitorName.
@code
const char* name = glfwGetMonitorName(monitor);
@endcode
The monitor name is a regular C string using the UTF-8 encoding. Note that
monitor names are not guaranteed to be unique.
@section monitor_gamma Monitor gamma ramp
The gamma ramp of a monitor can be set with @ref glfwSetGammaRamp, which accepts
a monitor handle and a pointer to a @ref GLFWgammaramp structure.
@code
glfwSetGammaRamp(monitor, &ramp);
@endcode
The current gamma ramp for a monitor is returned by @ref glfwGetGammaRamp.
@code
const GLFWgammaramp* ramp = glfwGetGammaRamp(monitor);
@endcode
If you wish to set a regular gamma ramp, you can have GLFW calculate it for you
from the desired exponent with @ref glfwSetGamma, which in turn calls @ref
glfwSetGammaRamp with the resulting ramp.
@code
glfwSetGamma(monitor, 1.0);
@endcode
*/

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# Monitor guide {#monitor_guide}
[TOC]
This guide introduces the monitor related functions of GLFW. For details on
a specific function in this category, see the @ref monitor. There are also
guides for the other areas of GLFW.
- @ref intro_guide
- @ref window_guide
- @ref context_guide
- @ref vulkan_guide
- @ref input_guide
## Monitor objects {#monitor_object}
A monitor object represents a currently connected monitor and is represented as
a pointer to the [opaque](https://en.wikipedia.org/wiki/Opaque_data_type) type
@ref GLFWmonitor. Monitor objects cannot be created or destroyed by the
application and retain their addresses until the monitors they represent are
disconnected or until the library is [terminated](@ref intro_init_terminate).
Each monitor has a current video mode, a list of supported video modes,
a virtual position, a human-readable name, an estimated physical size and
a gamma ramp. One of the monitors is the primary monitor.
The virtual position of a monitor is in
[screen coordinates](@ref coordinate_systems) and, together with the current
video mode, describes the viewports that the connected monitors provide into the
virtual desktop that spans them.
To see how GLFW views your monitor setup and its available video modes, run the
`monitors` test program.
### Retrieving monitors {#monitor_monitors}
The primary monitor is returned by @ref glfwGetPrimaryMonitor. It is the user's
preferred monitor and is usually the one with global UI elements like task bar
or menu bar.
```c
GLFWmonitor* primary = glfwGetPrimaryMonitor();
```
You can retrieve all currently connected monitors with @ref glfwGetMonitors.
See the reference documentation for the lifetime of the returned array.
```c
int count;
GLFWmonitor** monitors = glfwGetMonitors(&count);
```
The primary monitor is always the first monitor in the returned array, but other
monitors may be moved to a different index when a monitor is connected or
disconnected.
### Monitor configuration changes {#monitor_event}
If you wish to be notified when a monitor is connected or disconnected, set
a monitor callback.
```c
glfwSetMonitorCallback(monitor_callback);
```
The callback function receives the handle for the monitor that has been
connected or disconnected and the event that occurred.
```c
void monitor_callback(GLFWmonitor* monitor, int event)
{
if (event == GLFW_CONNECTED)
{
// The monitor was connected
}
else if (event == GLFW_DISCONNECTED)
{
// The monitor was disconnected
}
}
```
If a monitor is disconnected, all windows that are full screen on it will be
switched to windowed mode before the callback is called. Only @ref
glfwGetMonitorName and @ref glfwGetMonitorUserPointer will return useful values
for a disconnected monitor and only before the monitor callback returns.
## Monitor properties {#monitor_properties}
Each monitor has a current video mode, a list of supported video modes,
a virtual position, a content scale, a human-readable name, a user pointer, an
estimated physical size and a gamma ramp.
### Video modes {#monitor_modes}
GLFW generally does a good job selecting a suitable video mode when you create
a full screen window, change its video mode or make a windowed one full
screen, but it is sometimes useful to know exactly which video modes are
supported.
Video modes are represented as @ref GLFWvidmode structures. You can get an
array of the video modes supported by a monitor with @ref glfwGetVideoModes.
See the reference documentation for the lifetime of the returned array.
```c
int count;
GLFWvidmode* modes = glfwGetVideoModes(monitor, &count);
```
To get the current video mode of a monitor call @ref glfwGetVideoMode. See the
reference documentation for the lifetime of the returned pointer.
```c
const GLFWvidmode* mode = glfwGetVideoMode(monitor);
```
The resolution of a video mode is specified in
[screen coordinates](@ref coordinate_systems), not pixels.
### Physical size {#monitor_size}
The physical size of a monitor in millimetres, or an estimation of it, can be
retrieved with @ref glfwGetMonitorPhysicalSize. This has no relation to its
current _resolution_, i.e. the width and height of its current
[video mode](@ref monitor_modes).
```c
int width_mm, height_mm;
glfwGetMonitorPhysicalSize(monitor, &width_mm, &height_mm);
```
While this can be used to calculate the raw DPI of a monitor, this is often not
useful. Instead, use the [monitor content scale](@ref monitor_scale) and
[window content scale](@ref window_scale) to scale your content.
### Content scale {#monitor_scale}
The content scale for a monitor can be retrieved with @ref
glfwGetMonitorContentScale.
```c
float xscale, yscale;
glfwGetMonitorContentScale(monitor, &xscale, &yscale);
```
For more information on what the content scale is and how to use it, see
[window content scale](@ref window_scale).
### Virtual position {#monitor_pos}
The position of the monitor on the virtual desktop, in
[screen coordinates](@ref coordinate_systems), can be retrieved with @ref
glfwGetMonitorPos.
```c
int xpos, ypos;
glfwGetMonitorPos(monitor, &xpos, &ypos);
```
### Work area {#monitor_workarea}
The area of a monitor not occupied by global task bars or menu bars is the work
area. This is specified in [screen coordinates](@ref coordinate_systems) and
can be retrieved with @ref glfwGetMonitorWorkarea.
```c
int xpos, ypos, width, height;
glfwGetMonitorWorkarea(monitor, &xpos, &ypos, &width, &height);
```
### Human-readable name {#monitor_name}
The human-readable, UTF-8 encoded name of a monitor is returned by @ref
glfwGetMonitorName. See the reference documentation for the lifetime of the
returned string.
```c
const char* name = glfwGetMonitorName(monitor);
```
Monitor names are not guaranteed to be unique. Two monitors of the same model
and make may have the same name. Only the monitor handle is guaranteed to be
unique, and only until that monitor is disconnected.
### User pointer {#monitor_userptr}
Each monitor has a user pointer that can be set with @ref
glfwSetMonitorUserPointer and queried with @ref glfwGetMonitorUserPointer. This
can be used for any purpose you need and will not be modified by GLFW. The
value will be kept until the monitor is disconnected or until the library is
terminated.
The initial value of the pointer is `NULL`.
### Gamma ramp {#monitor_gamma}
The gamma ramp of a monitor can be set with @ref glfwSetGammaRamp, which accepts
a monitor handle and a pointer to a @ref GLFWgammaramp structure.
```c
GLFWgammaramp ramp;
unsigned short red[256], green[256], blue[256];
ramp.size = 256;
ramp.red = red;
ramp.green = green;
ramp.blue = blue;
for (i = 0; i < ramp.size; i++)
{
// Fill out gamma ramp arrays as desired
}
glfwSetGammaRamp(monitor, &ramp);
```
The gamma ramp data is copied before the function returns, so there is no need
to keep it around once the ramp has been set.
It is recommended that your gamma ramp have the same size as the current gamma
ramp for that monitor.
The current gamma ramp for a monitor is returned by @ref glfwGetGammaRamp. See
the reference documentation for the lifetime of the returned structure.
```c
const GLFWgammaramp* ramp = glfwGetGammaRamp(monitor);
```
If you wish to set a regular gamma ramp, you can have GLFW calculate it for you
from the desired exponent with @ref glfwSetGamma, which in turn calls @ref
glfwSetGammaRamp with the resulting ramp.
```c
glfwSetGamma(monitor, 1.0);
```
To experiment with gamma correction via the @ref glfwSetGamma function, run the
`gamma` test program.
@note The software controlled gamma ramp is applied _in addition_ to the
hardware gamma correction, which today is typically an approximation of sRGB
gamma. This means that setting a perfectly linear ramp, or gamma 1.0, will
produce the default (usually sRGB-like) behavior.

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/*!
@page moving Moving from GLFW 2 to 3
@tableofcontents
This is a transition guide for moving from GLFW 2 to 3. It describes what has
changed or been removed, but does *not* include
[new features](@ref news) unless they are required when moving an existing code
base onto the new API. For example, use of the new multi-monitor functions are
required to create full screen windows with GLFW 3.
@section moving_removed Removed features
@subsection moving_threads Threading functions
The threading functions have been removed, including the sleep function. They
were fairly primitive, under-used, poorly integrated and took time away from the
focus of GLFW (i.e. context, input and window). There are better threading
libraries available and native threading support is available in both C++11 and
C11, both of which are gaining traction.
If you wish to use the C++11 or C11 facilities but your compiler doesn't yet
support them, see the
[TinyThread++](https://gitorious.org/tinythread/tinythreadpp) and
[TinyCThread](https://gitorious.org/tinythread/tinycthread) projects created by
the original author of GLFW. These libraries implement a usable subset of the
threading APIs in C++11 and C11, and in fact some GLFW 3 test programs use
TinyCThread.
However, GLFW 3 has better support for *use from multiple threads* than GLFW
2 had. Contexts can be made current on and rendered with from secondary
threads, and the documentation explicitly states which functions may be used
from secondary threads and which may only be used from the main thread, i.e. the
thread that calls main.
@subsection moving_image Image and texture loading
The image and texture loading functions have been removed. They only supported
the Targa image format, making them mostly useful for beginner level examples.
To become of sufficiently high quality to warrant keeping them in GLFW 3, they
would need not only to support other formats, but also modern extensions to the
OpenGL texturing facilities. This would either add a number of external
dependencies (libjpeg, libpng, etc.), or force GLFW to ship with inline versions
of these libraries.
As there already are libraries doing this, it seems unnecessary both to
duplicate this work and to tie this duplicate to GLFW. Projects similar to
GLFW, such as freeglut, could also gain from such a library. Also, would be no
platform-specific part of such a library, as both OpenGL and stdio are available
wherever GLFW is.
@subsection moving_char_up Character actions
The action parameter of the [character callback](@ref GLFWcharfun) has been
removed. This was an artefact of the origin of GLFW, i.e. being developed in
English by a Swede. However, many keyboard layouts require more than one key to
produce characters with diacritical marks. Even the Swedish keyboard layout
requires this for uncommon cases like ü.
Note that this is only the removal of the *action parameter* of the character
callback, *not* the removal of the character callback itself.
@subsection moving_wheel Mouse wheel position
The `glfwGetMouseWheel` function has been removed. Scroll events do not
represent an absolute state, but is instead an interpretation of a relative
change in state, like character input. So, like character input, there is no
sane 'current state' to return. The mouse wheel callback has been replaced by
a [scroll callback](@ref GLFWscrollfun) that receives two-dimensional scroll
offsets.
@subsection moving_stdcall GLFWCALL macro
The `GLFWCALL` macro, which made callback functions use
[__stdcall](http://msdn.microsoft.com/en-us/library/zxk0tw93.aspx) on Windows,
has been removed. GLFW is written in C, not Pascal. Removing this macro means
there's one less thing for users of GLFW to remember, i.e. the requirement to
mark all callback functions with `GLFWCALL`. It also simplifies the creation of
DLLs and DLL link libraries, as there's no need to explicitly disable `@n` entry
point suffixes.
@subsection moving_mbcs Win32 MBCS support
The Win32 port of GLFW 3 will not compile in
[MBCS mode](http://msdn.microsoft.com/en-us/library/5z097dxa.aspx).
However, because the use of the Unicode version of the Win32 API doesn't affect
the process as a whole, but only those windows created using it, it's perfectly
possible to call MBCS functions from other parts of the same application.
Therefore, even if an application using GLFW has MBCS mode code, there's no need
for GLFW itself to support it.
@subsection moving_windows Support for versions of Windows older than XP
All explicit support for version of Windows older than XP has been removed.
There is no code that actively prevents GLFW 3 from running on these earlier
versions, but it uses Win32 functions that those versions lack.
Windows XP was released in 2001, and by now (2013) it has not only
replaced almost all earlier versions of Windows, but is itself rapidly being
replaced by Windows 7 and 8. The MSDN library doesn't even provide
documentation for version older than Windows 2000, making it difficult to
maintain compatibility with these versions even if it was deemed worth the
effort.
The Win32 API has also not stood still, and GLFW 3 uses many functions only
present on Windows XP or later. Even supporting an OS as new as XP (new
from the perspective of GLFW 2, which still supports Windows 95) requires
runtime checking for a number of functions that are present only on modern
version of Windows.
@subsection moving_syskeys Capture of system-wide hotkeys
The ability to disable and capture system-wide hotkeys like Alt+Tab has been
removed. Modern applications, whether they're games, scientific visualisations
or something else, are nowadays expected to be good desktop citizens and allow
these hotkeys to function even when running in full screen mode.
@subsection moving_opened Window open parameter
The `GLFW_OPENED` window parameter has been removed. As long as the
[window object](@ref window_object) is around, the window is "open". To detect
when the user attempts to close the window, see @ref glfwWindowShouldClose and
the [close callback](@ref GLFWwindowclosefun).
@subsection moving_autopoll Automatic polling of events
GLFW 3 does not automatically poll for events on @ref glfwSwapBuffers, which
means you need to call @ref glfwPollEvents or @ref glfwWaitEvents yourself.
Unlike buffer swap, the event processing functions act on all windows at once.
@subsection moving_terminate Automatic termination
GLFW 3 does not register @ref glfwTerminate with `atexit` at initialization. To
properly release all resources allocated by GLFW, you should therefore call @ref
glfwTerminate yourself before exiting.
@subsection moving_glu GLU header inclusion
GLFW 3 does not include the GLU header by default and GLU itself has been
deprecated, but you can request that the GLFW 3 header includes it by defining
`GLFW_INCLUDE_GLU` before the inclusion of the GLFW 3 header.
@section moving_changed Changes to existing features
@subsection moving_window_handles Window handles
Because GLFW 3 supports multiple windows, window handle parameters have been
added to all window-related GLFW functions and callbacks. The handle of
a newly created window is returned by @ref glfwCreateWindow (formerly
`glfwOpenWindow`). Window handles are of the `GLFWwindow*` type, i.e. a pointer
to an opaque struct.
@subsection moving_monitor Multi-monitor support
GLFW 3 provides support for multiple monitors, adding the `GLFWmonitor*` handle
type and a set of related functions. To request a full screen mode window,
instead of passing `GLFW_FULLSCREEN` you specify which monitor you wish the
window to use. There is @ref glfwGetPrimaryMonitor that provides behaviour
similar to that of GLFW 2.
@subsection moving_window_close Window closing
Window closing is now just an event like any other. GLFW 3 windows won't
disappear from underfoot even when no close callback is set; instead the
window's close flag is set. You can query this flag using @ref
glfwWindowShouldClose, or capture close events by setting a close callback. The
close flag can be modified from any point in your program using @ref
glfwSetWindowShouldClose.
@subsection moving_context Explicit context management
Each GLFW 3 window has its own OpenGL context and only you, the user, can know
which context should be current on which thread at any given time. Therefore,
GLFW 3 makes no assumptions about when you want a certain context to be current,
leaving that decision to you.
This means, among other things, that you need to call @ref
glfwMakeContextCurrent after creating a window before you can call any OpenGL
functions.
@subsection moving_repeat Key repeat
The `GLFW_KEY_REPEAT` enable has been removed and key repeat is always enabled
for both keys and characters. A new key action, `GLFW_REPEAT`, has been added
to allow the [key callback](@ref GLFWkeyfun) to distinguish an initial key press
from a repeat. Note that @ref glfwGetKey still returns only `GLFW_PRESS` or
`GLFW_RELEASE`.
@subsection moving_keys Physical key input
GLFW 3 key tokens map to physical keys, unlike in GLFW 2 where they mapped to
the values generated by the current keyboard layout. The tokens are named
according to the values they would have using the standard US layout, but this
is only a convenience, as most programmers are assumed to know that layout.
This means that (for example) `GLFW_KEY_LEFT_BRACKET` is always a single key and
is the same key in the same place regardless of what keyboard layouts the users
of your program has.
The key input facility was never meant for text input, although using it that
way worked slightly better in GLFW 2. If you were using it to input text, you
should be using the character callback instead, on both GLFW 2 and 3. This will
give you the characters being input, as opposed to the keys being pressed.
GLFW 3 has key tokens for all keys on a standard 105 key keyboard, so instead of
having to remember whether to check for `'a'` or `'A'`, you now check for
`GLFW_KEY_A`.
@subsection moving_joystick Joystick input
The `glfwGetJoystickPos` function has been renamed to @ref glfwGetJoystickAxes.
The `glfwGetJoystickParam` function and the `GLFW_PRESENT`, `GLFW_AXES` and
`GLFW_BUTTONS` tokens have been replaced by the @ref glfwJoystickPresent
function as well as axis and button counts returned by the @ref
glfwGetJoystickAxes and @ref glfwGetJoystickButtons functions.
@subsection moving_video_modes Video mode enumeration
Video mode enumeration is now per-monitor. The @ref glfwGetVideoModes function
now returns all available modes for a specific monitor instead of requiring you
to guess how large an array you need. The `glfwGetDesktopMode` function, which
had poorly defined behavior, has been replaced by @ref glfwGetVideoMode, which
returns the current mode of a monitor.
@subsection moving_cursor Cursor positioning
GLFW 3 only allows you to position the cursor within a window using @ref
glfwSetCursorPos (formerly `glfwSetMousePos`) when that window is active.
Unless the window is active, the function fails silently.
@subsection moving_hints Persistent window hints
Window hints are no longer reset to their default values on window creation, but
instead retain their values until modified by @ref glfwWindowHint (formerly
`glfwOpenWindowHint`) or @ref glfwDefaultWindowHints, or until the library is
terminated and re-initialized.
@section moving_renamed Name changes
@subsection moving_renamed_files Library and header file
The GLFW 3 header is named @ref glfw3.h and moved to the `GLFW` directory, to
avoid collisions with the headers of other major versions. Similarly, the GLFW
3 library is named `glfw3,` except when it's installed as a shared library on
Unix-like systems, where it uses the
[soname](https://en.wikipedia.org/wiki/soname) `libglfw.so.3`.
@subsection moving_renamed_functions Functions
| GLFW 2 | GLFW 3 | Notes |
| --------------------------- | ----------------------------- | ----- |
| `glfwOpenWindow` | @ref glfwCreateWindow | All channel bit depths are now hints
| `glfwCloseWindow` | @ref glfwDestroyWindow | |
| `glfwOpenWindowHint` | @ref glfwWindowHint | Now accepts all `GLFW_*_BITS` tokens |
| `glfwEnable` | @ref glfwSetInputMode | |
| `glfwDisable` | @ref glfwSetInputMode | |
| `glfwGetMousePos` | @ref glfwGetCursorPos | |
| `glfwSetMousePos` | @ref glfwSetCursorPos | |
| `glfwSetMousePosCallback` | @ref glfwSetCursorPosCallback | |
| `glfwSetMouseWheelCallback` | @ref glfwSetScrollCallback | Accepts two-dimensional scroll offsets as doubles |
| `glfwGetJoystickPos` | @ref glfwGetJoystickAxes | |
| `glfwGetWindowParam` | @ref glfwGetWindowAttrib | |
| `glfwGetGLVersion` | @ref glfwGetWindowAttrib | Use `GLFW_CONTEXT_VERSION_MAJOR`, `GLFW_CONTEXT_VERSION_MINOR` and `GLFW_CONTEXT_REVISION` |
| `glfwGetDesktopMode` | @ref glfwGetVideoMode | Returns the current mode of a monitor |
| `glfwGetJoystickParam` | @ref glfwJoystickPresent | The axis and button counts are provided by @ref glfwGetJoystickAxes and @ref glfwGetJoystickButtons |
@subsection moving_renamed_tokens Tokens
| GLFW 2 | GLFW 3 | Notes |
| --------------------------- | ---------------------------- | ----- |
| `GLFW_OPENGL_VERSION_MAJOR` | `GLFW_CONTEXT_VERSION_MAJOR` | Renamed as it applies to OpenGL ES as well |
| `GLFW_OPENGL_VERSION_MINOR` | `GLFW_CONTEXT_VERSION_MINOR` | Renamed as it applies to OpenGL ES as well |
| `GLFW_FSAA_SAMPLES` | `GLFW_SAMPLES` | Renamed to match the OpenGL API |
| `GLFW_ACTIVE` | `GLFW_FOCUSED` | Renamed to match the window focus callback |
| `GLFW_WINDOW_NO_RESIZE` | `GLFW_RESIZABLE` | The default has been inverted |
| `GLFW_MOUSE_CURSOR` | `GLFW_CURSOR` | Used with @ref glfwSetInputMode |
| `GLFW_KEY_ESC` | `GLFW_KEY_ESCAPE` | |
| `GLFW_KEY_DEL` | `GLFW_KEY_DELETE` | |
| `GLFW_KEY_PAGEUP` | `GLFW_KEY_PAGE_UP` | |
| `GLFW_KEY_PAGEDOWN` | `GLFW_KEY_PAGE_DOWN` | |
| `GLFW_KEY_KP_NUM_LOCK` | `GLFW_KEY_NUM_LOCK` | |
| `GLFW_KEY_LCTRL` | `GLFW_KEY_LEFT_CONTROL` | |
| `GLFW_KEY_LSHIFT` | `GLFW_KEY_LEFT_SHIFT` | |
| `GLFW_KEY_LALT` | `GLFW_KEY_LEFT_ALT` | |
| `GLFW_KEY_LSUPER` | `GLFW_KEY_LEFT_SUPER` | |
| `GLFW_KEY_RCTRL` | `GLFW_KEY_RIGHT_CONTROL` | |
| `GLFW_KEY_RSHIFT` | `GLFW_KEY_RIGHT_SHIFT` | |
| `GLFW_KEY_RALT` | `GLFW_KEY_RIGHT_ALT` | |
| `GLFW_KEY_RSUPER` | `GLFW_KEY_RIGHT_SUPER` | |
*/

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# Moving from GLFW 2 to 3 {#moving_guide}
[TOC]
This is a transition guide for moving from GLFW 2 to 3. It describes what has
changed or been removed, but does _not_ include
[new features](@ref news) unless they are required when moving an existing code
base onto the new API. For example, the new multi-monitor functions are
required to create full screen windows with GLFW 3.
## Changed and removed features {#moving_removed}
### Renamed library and header file {#moving_renamed_files}
The GLFW 3 header is named @ref glfw3.h and moved to the `GLFW` directory, to
avoid collisions with the headers of other major versions. Similarly, the GLFW
3 library is named `glfw3,` except when it's installed as a shared library on
Unix-like systems, where it uses the [soname][] `libglfw.so.3`.
[soname]: https://en.wikipedia.org/wiki/soname
__Old syntax__
```c
#include <GL/glfw.h>
```
__New syntax__
```c
#include <GLFW/glfw3.h>
```
### Removal of threading functions {#moving_threads}
The threading functions have been removed, including the per-thread sleep
function. They were fairly primitive, under-used, poorly integrated and took
time away from the focus of GLFW (i.e. context, input and window). There are
better threading libraries available and native threading support is available
in both [C++11][] and [C11][], both of which are gaining traction.
[C++11]: https://en.cppreference.com/w/cpp/thread
[C11]: https://en.cppreference.com/w/c/thread
If you wish to use the C++11 or C11 facilities but your compiler doesn't yet
support them, see the [TinyThread++][] and [TinyCThread][] projects created by
the original author of GLFW. These libraries implement a usable subset of the
threading APIs in C++11 and C11, and in fact some GLFW 3 test programs use
TinyCThread.
[TinyThread++]: https://gitorious.org/tinythread/tinythreadpp
[TinyCThread]: https://github.com/tinycthread/tinycthread
However, GLFW 3 has better support for _use from multiple threads_ than GLFW
2 had. Contexts can be made current on any thread, although only a single
thread at a time, and the documentation explicitly states which functions may be
used from any thread and which must only be used from the main thread.
__Removed functions__
> `glfwSleep`, `glfwCreateThread`, `glfwDestroyThread`, `glfwWaitThread`,
> `glfwGetThreadID`, `glfwCreateMutex`, `glfwDestroyMutex`, `glfwLockMutex`,
> `glfwUnlockMutex`, `glfwCreateCond`, `glfwDestroyCond`, `glfwWaitCond`,
> `glfwSignalCond`, `glfwBroadcastCond` and `glfwGetNumberOfProcessors`.
__Removed types__
> `GLFWthreadfun`
### Removal of image and texture loading {#moving_image}
The image and texture loading functions have been removed. They only supported
the Targa image format, making them mostly useful for beginner level examples.
To become of sufficiently high quality to warrant keeping them in GLFW 3, they
would need not only to support other formats, but also modern extensions to
OpenGL texturing. This would either add a number of external
dependencies (libjpeg, libpng, etc.), or force GLFW to ship with inline versions
of these libraries.
As there already are libraries doing this, it is unnecessary both to duplicate
the work and to tie the duplicate to GLFW. The resulting library would also be
platform-independent, as both OpenGL and stdio are available wherever GLFW is.
__Removed functions__
> `glfwReadImage`, `glfwReadMemoryImage`, `glfwFreeImage`, `glfwLoadTexture2D`,
> `glfwLoadMemoryTexture2D` and `glfwLoadTextureImage2D`.
### Removal of GLFWCALL macro {#moving_stdcall}
The `GLFWCALL` macro, which made callback functions use [\_\_stdcall][stdcall]
on Windows, has been removed. GLFW is written in C, not Pascal. Removing this
macro means there's one less thing for application programmers to remember, i.e.
the requirement to mark all callback functions with `GLFWCALL`. It also
simplifies the creation of DLLs and DLL link libraries, as there's no need to
explicitly disable `@n` entry point suffixes.
[stdcall]: https://msdn.microsoft.com/en-us/library/zxk0tw93.aspx
__Old syntax__
```c
void GLFWCALL callback_function(...);
```
__New syntax__
```c
void callback_function(...);
```
### Window handle parameters {#moving_window_handles}
Because GLFW 3 supports multiple windows, window handle parameters have been
added to all window-related GLFW functions and callbacks. The handle of
a newly created window is returned by @ref glfwCreateWindow (formerly
`glfwOpenWindow`). Window handles are pointers to the
[opaque][opaque-type] type @ref GLFWwindow.
[opaque-type]: https://en.wikipedia.org/wiki/Opaque_data_type
__Old syntax__
```c
glfwSetWindowTitle("New Window Title");
```
__New syntax__
```c
glfwSetWindowTitle(window, "New Window Title");
```
### Explicit monitor selection {#moving_monitor}
GLFW 3 provides support for multiple monitors. To request a full screen mode window,
instead of passing `GLFW_FULLSCREEN` you specify which monitor you wish the
window to use. The @ref glfwGetPrimaryMonitor function returns the monitor that
GLFW 2 would have selected, but there are many other
[monitor functions](@ref monitor_guide). Monitor handles are pointers to the
[opaque][opaque-type] type @ref GLFWmonitor.
__Old basic full screen__
```c
glfwOpenWindow(640, 480, 8, 8, 8, 0, 24, 0, GLFW_FULLSCREEN);
```
__New basic full screen__
```c
window = glfwCreateWindow(640, 480, "My Window", glfwGetPrimaryMonitor(), NULL);
```
@note The framebuffer bit depth parameters of `glfwOpenWindow` have been turned
into [window hints](@ref window_hints), but as they have been given
[sane defaults](@ref window_hints_values) you rarely need to set these hints.
### Removal of automatic event polling {#moving_autopoll}
GLFW 3 does not automatically poll for events in @ref glfwSwapBuffers, meaning
you need to call @ref glfwPollEvents or @ref glfwWaitEvents yourself. Unlike
buffer swap, which acts on a single window, the event processing functions act
on all windows at once.
__Old basic main loop__
```c
while (...)
{
// Process input
// Render output
glfwSwapBuffers();
}
```
__New basic main loop__
```c
while (...)
{
// Process input
// Render output
glfwSwapBuffers(window);
glfwPollEvents();
}
```
### Explicit context management {#moving_context}
Each GLFW 3 window has its own OpenGL context and only you, the application
programmer, can know which context should be current on which thread at any
given time. Therefore, GLFW 3 leaves that decision to you.
This means that you need to call @ref glfwMakeContextCurrent after creating
a window before you can call any OpenGL functions.
### Separation of window and framebuffer sizes {#moving_hidpi}
Window positions and sizes now use screen coordinates, which may not be the same
as pixels on machines with high-DPI monitors. This is important as OpenGL uses
pixels, not screen coordinates. For example, the rectangle specified with
`glViewport` needs to use pixels. Therefore, framebuffer size functions have
been added. You can retrieve the size of the framebuffer of a window with @ref
glfwGetFramebufferSize function. A framebuffer size callback has also been
added, which can be set with @ref glfwSetFramebufferSizeCallback.
__Old basic viewport setup__
```c
glfwGetWindowSize(&width, &height);
glViewport(0, 0, width, height);
```
__New basic viewport setup__
```c
glfwGetFramebufferSize(window, &width, &height);
glViewport(0, 0, width, height);
```
### Window closing changes {#moving_window_close}
The `GLFW_OPENED` window parameter has been removed. As long as the window has
not been destroyed, whether through @ref glfwDestroyWindow or @ref
glfwTerminate, the window is "open".
A user attempting to close a window is now just an event like any other. Unlike
GLFW 2, windows and contexts created with GLFW 3 will never be destroyed unless
you choose them to be. Each window now has a close flag that is set to
`GLFW_TRUE` when the user attempts to close that window. By default, nothing else
happens and the window stays visible. It is then up to you to either destroy
the window, take some other action or ignore the request.
You can query the close flag at any time with @ref glfwWindowShouldClose and set
it at any time with @ref glfwSetWindowShouldClose.
__Old basic main loop__
```c
while (glfwGetWindowParam(GLFW_OPENED))
{
...
}
```
__New basic main loop__
```c
while (!glfwWindowShouldClose(window))
{
...
}
```
The close callback no longer returns a value. Instead, it is called after the
close flag has been set, so it can optionally override its value, before
event processing completes. You may however not call @ref glfwDestroyWindow
from the close callback (or any other window related callback).
__Old syntax__
```c
int GLFWCALL window_close_callback(void);
```
__New syntax__
```c
void window_close_callback(GLFWwindow* window);
```
@note GLFW never clears the close flag to `GLFW_FALSE`, meaning you can use it
for other reasons to close the window as well, for example the user choosing
Quit from an in-game menu.
### Persistent window hints {#moving_hints}
The `glfwOpenWindowHint` function has been renamed to @ref glfwWindowHint.
Window hints are no longer reset to their default values on window creation, but
instead retain their values until modified by @ref glfwWindowHint or @ref
glfwDefaultWindowHints, or until the library is terminated and re-initialized.
### Video mode enumeration {#moving_video_modes}
Video mode enumeration is now per-monitor. The @ref glfwGetVideoModes function
now returns all available modes for a specific monitor instead of requiring you
to guess how large an array you need. The `glfwGetDesktopMode` function, which
had poorly defined behavior, has been replaced by @ref glfwGetVideoMode, which
returns the current mode of a monitor.
### Removal of character actions {#moving_char_up}
The action parameter of the [character callback](@ref GLFWcharfun) has been
removed. This was an artefact of the origin of GLFW, i.e. being developed in
English by a Swede. However, many keyboard layouts require more than one key to
produce characters with diacritical marks. Even the Swedish keyboard layout
requires this for uncommon cases like ü.
__Old syntax__
```c
void GLFWCALL character_callback(int character, int action);
```
__New syntax__
```c
void character_callback(GLFWwindow* window, int character);
```
### Cursor position changes {#moving_cursorpos}
The `glfwGetMousePos` function has been renamed to @ref glfwGetCursorPos,
`glfwSetMousePos` to @ref glfwSetCursorPos and `glfwSetMousePosCallback` to @ref
glfwSetCursorPosCallback.
The cursor position is now `double` instead of `int`, both for the direct
functions and for the callback. Some platforms can provide sub-pixel cursor
movement and this data is now passed on to the application where available. On
platforms where this is not provided, the decimal part is zero.
GLFW 3 only allows you to position the cursor within a window using @ref
glfwSetCursorPos (formerly `glfwSetMousePos`) when that window is active.
Unless the window is active, the function fails silently.
### Wheel position replaced by scroll offsets {#moving_wheel}
The `glfwGetMouseWheel` function has been removed. Scrolling is the input of
offsets and has no absolute position. The mouse wheel callback has been
replaced by a [scroll callback](@ref GLFWscrollfun) that receives
two-dimensional floating point scroll offsets. This allows you to receive
precise scroll data from for example modern touchpads.
__Old syntax__
```c
void GLFWCALL mouse_wheel_callback(int position);
```
__New syntax__
```c
void scroll_callback(GLFWwindow* window, double xoffset, double yoffset);
```
__Removed functions__
> `glfwGetMouseWheel`
### Key repeat action {#moving_repeat}
The `GLFW_KEY_REPEAT` enable has been removed and key repeat is always enabled
for both keys and characters. A new key action, `GLFW_REPEAT`, has been added
to allow the [key callback](@ref GLFWkeyfun) to distinguish an initial key press
from a repeat. Note that @ref glfwGetKey still returns only `GLFW_PRESS` or
`GLFW_RELEASE`.
### Physical key input {#moving_keys}
GLFW 3 key tokens map to physical keys, unlike in GLFW 2 where they mapped to
the values generated by the current keyboard layout. The tokens are named
according to the values they would have in the standard US layout, but this
is only a convenience, as most programmers are assumed to know that layout.
This means that (for example) `GLFW_KEY_LEFT_BRACKET` is always a single key and
is the same key in the same place regardless of what keyboard layouts the users
of your program have.
The key input facility was never meant for text input, although using it that
way worked slightly better in GLFW 2. If you were using it to input text, you
should be using the character callback instead, on both GLFW 2 and 3. This will
give you the characters being input, as opposed to the keys being pressed.
GLFW 3 has key tokens for all keys on a standard 105 key keyboard, so instead of
having to remember whether to check for `a` or `A`, you now check for
@ref GLFW_KEY_A.
### Joystick function changes {#moving_joystick}
The `glfwGetJoystickPos` function has been renamed to @ref glfwGetJoystickAxes.
The `glfwGetJoystickParam` function and the `GLFW_PRESENT`, `GLFW_AXES` and
`GLFW_BUTTONS` tokens have been replaced by the @ref glfwJoystickPresent
function as well as axis and button counts returned by the @ref
glfwGetJoystickAxes and @ref glfwGetJoystickButtons functions.
### Win32 MBCS support {#moving_mbcs}
The Win32 port of GLFW 3 will not compile in [MBCS mode][MBCS]. However,
because the use of the Unicode version of the Win32 API doesn't affect the
process as a whole, but only those windows created using it, it's perfectly
possible to call MBCS functions from other parts of the same application.
Therefore, even if an application using GLFW has MBCS mode code, there's no need
for GLFW itself to support it.
[MBCS]: https://msdn.microsoft.com/en-us/library/5z097dxa.aspx
### Support for versions of Windows older than XP {#moving_windows}
All explicit support for version of Windows older than XP has been removed.
There is no code that actively prevents GLFW 3 from running on these earlier
versions, but it uses Win32 functions that those versions lack.
Windows XP was released in 2001, and by now (January 2015) it has not only
replaced almost all earlier versions of Windows, but is itself rapidly being
replaced by Windows 7 and 8. The MSDN library doesn't even provide
documentation for version older than Windows 2000, making it difficult to
maintain compatibility with these versions even if it was deemed worth the
effort.
The Win32 API has also not stood still, and GLFW 3 uses many functions only
present on Windows XP or later. Even supporting an OS as new as XP (new
from the perspective of GLFW 2, which still supports Windows 95) requires
runtime checking for a number of functions that are present only on modern
version of Windows.
### Capture of system-wide hotkeys {#moving_syskeys}
The ability to disable and capture system-wide hotkeys like Alt+Tab has been
removed. Modern applications, whether they're games, scientific visualisations
or something else, are nowadays expected to be good desktop citizens and allow
these hotkeys to function even when running in full screen mode.
### Automatic termination {#moving_terminate}
GLFW 3 does not register @ref glfwTerminate with `atexit` at initialization,
because `exit` calls registered functions from the calling thread and while it
is permitted to call `exit` from any thread, @ref glfwTerminate must only be
called from the main thread.
To release all resources allocated by GLFW, you should call @ref glfwTerminate
yourself, from the main thread, before the program terminates. Note that this
destroys all windows not already destroyed with @ref glfwDestroyWindow,
invalidating any window handles you may still have.
### GLU header inclusion {#moving_glu}
GLFW 3 does not by default include the GLU header and GLU itself has been
deprecated by [Khronos][]. __New projects should not use GLU__, but if you need
it for legacy code that has been moved to GLFW 3, you can request that the GLFW
header includes it by defining @ref GLFW_INCLUDE_GLU before the inclusion of the
GLFW header.
[Khronos]: https://en.wikipedia.org/wiki/Khronos_Group
__Old syntax__
```c
#include <GL/glfw.h>
```
__New syntax__
```c
#define GLFW_INCLUDE_GLU
#include <GLFW/glfw3.h>
```
There are many libraries that offer replacements for the functionality offered
by GLU. For the matrix helper functions, see math libraries like [GLM][] (for
C++), [linmath.h][] (for C) and others. For the tessellation functions, see for
example [libtess2][].
[GLM]: https://github.com/g-truc/glm
[linmath.h]: https://github.com/datenwolf/linmath.h
[libtess2]: https://github.com/memononen/libtess2
## Name change tables {#moving_tables}
### Renamed functions {#moving_renamed_functions}
| GLFW 2 | GLFW 3 | Notes |
| --------------------------- | ----------------------------- | ----- |
| `glfwOpenWindow` | @ref glfwCreateWindow | All channel bit depths are now hints
| `glfwCloseWindow` | @ref glfwDestroyWindow | |
| `glfwOpenWindowHint` | @ref glfwWindowHint | Now accepts all `GLFW_*_BITS` tokens |
| `glfwEnable` | @ref glfwSetInputMode | |
| `glfwDisable` | @ref glfwSetInputMode | |
| `glfwGetMousePos` | @ref glfwGetCursorPos | |
| `glfwSetMousePos` | @ref glfwSetCursorPos | |
| `glfwSetMousePosCallback` | @ref glfwSetCursorPosCallback | |
| `glfwSetMouseWheelCallback` | @ref glfwSetScrollCallback | Accepts two-dimensional scroll offsets as doubles |
| `glfwGetJoystickPos` | @ref glfwGetJoystickAxes | |
| `glfwGetWindowParam` | @ref glfwGetWindowAttrib | |
| `glfwGetGLVersion` | @ref glfwGetWindowAttrib | Use `GLFW_CONTEXT_VERSION_MAJOR`, `GLFW_CONTEXT_VERSION_MINOR` and `GLFW_CONTEXT_REVISION` |
| `glfwGetDesktopMode` | @ref glfwGetVideoMode | Returns the current mode of a monitor |
| `glfwGetJoystickParam` | @ref glfwJoystickPresent | The axis and button counts are provided by @ref glfwGetJoystickAxes and @ref glfwGetJoystickButtons |
### Renamed types {#moving_renamed_types}
| GLFW 2 | GLFW 3 | Notes |
| ------------------- | --------------------- | |
| `GLFWmousewheelfun` | @ref GLFWscrollfun | |
| `GLFWmouseposfun` | @ref GLFWcursorposfun | |
### Renamed tokens {#moving_renamed_tokens}
| GLFW 2 | GLFW 3 | Notes |
| --------------------------- | ---------------------------- | ----- |
| `GLFW_OPENGL_VERSION_MAJOR` | `GLFW_CONTEXT_VERSION_MAJOR` | Renamed as it applies to OpenGL ES as well |
| `GLFW_OPENGL_VERSION_MINOR` | `GLFW_CONTEXT_VERSION_MINOR` | Renamed as it applies to OpenGL ES as well |
| `GLFW_FSAA_SAMPLES` | `GLFW_SAMPLES` | Renamed to match the OpenGL API |
| `GLFW_ACTIVE` | `GLFW_FOCUSED` | Renamed to match the window focus callback |
| `GLFW_WINDOW_NO_RESIZE` | `GLFW_RESIZABLE` | The default has been inverted |
| `GLFW_MOUSE_CURSOR` | `GLFW_CURSOR` | Used with @ref glfwSetInputMode |
| `GLFW_KEY_ESC` | `GLFW_KEY_ESCAPE` | |
| `GLFW_KEY_DEL` | `GLFW_KEY_DELETE` | |
| `GLFW_KEY_PAGEUP` | `GLFW_KEY_PAGE_UP` | |
| `GLFW_KEY_PAGEDOWN` | `GLFW_KEY_PAGE_DOWN` | |
| `GLFW_KEY_KP_NUM_LOCK` | `GLFW_KEY_NUM_LOCK` | |
| `GLFW_KEY_LCTRL` | `GLFW_KEY_LEFT_CONTROL` | |
| `GLFW_KEY_LSHIFT` | `GLFW_KEY_LEFT_SHIFT` | |
| `GLFW_KEY_LALT` | `GLFW_KEY_LEFT_ALT` | |
| `GLFW_KEY_LSUPER` | `GLFW_KEY_LEFT_SUPER` | |
| `GLFW_KEY_RCTRL` | `GLFW_KEY_RIGHT_CONTROL` | |
| `GLFW_KEY_RSHIFT` | `GLFW_KEY_RIGHT_SHIFT` | |
| `GLFW_KEY_RALT` | `GLFW_KEY_RIGHT_ALT` | |
| `GLFW_KEY_RSUPER` | `GLFW_KEY_RIGHT_SUPER` | |

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/*!
@page news New features
@tableofcontents
@section news_30 New features in version 3.0
@subsection news_30_cmake CMake build system
GLFW now uses the CMake build system instead of the various makefiles and
project files used by earlier versions. CMake is available for all platforms
supported by GLFW, is present in most package systems and can generate
makefiles and/or project files for most popular development environments.
For more information on how to use CMake, see the
[CMake manual](http://cmake.org/cmake/help/documentation.html).
@subsection new_30_multiwnd Multi-window support
GLFW now supports the creation of multiple windows, each with their own OpenGL
or OpenGL ES context, and all window functions now take a window handle. Event
callbacks are now per-window and are provided with the handle of the window that
received the event. The @ref glfwMakeContextCurrent function has been added to
select which context is current on a given thread.
@subsection news_30_multimon Multi-monitor support
GLFW now explicitly supports multiple monitors. They can be enumerated with
@ref glfwGetMonitors, queried with @ref glfwGetVideoModes, @ref
glfwGetMonitorPos, @ref glfwGetMonitorName and @ref glfwGetMonitorPhysicalSize,
and specified at window creation to make the newly created window full screen on
that specific monitor.
@subsection news_30_unicode Unicode support
All string arguments to GLFW functions and all strings returned by GLFW now use
the UTF-8 encoding. This includes the window title, error string, clipboard
text, monitor and joystick names as well as the extension function arguments (as
ASCII is a subset of UTF-8).
@subsection news_30_clipboard Clipboard text I/O
GLFW now supports reading and writing plain text to and from the system
clipboard, with the @ref glfwGetClipboardString and @ref glfwSetClipboardString
functions.
@subsection news_30_gamma Gamma ramp support
GLFW now supports setting and reading back the gamma ramp of monitors, with the
@ref glfwGetGammaRamp and @ref glfwSetGammaRamp functions. There is also @ref
glfwSetGamma, which generates a ramp from a gamma value and then sets it.
@subsection news_30_gles OpenGL ES support
GLFW now supports the creation of OpenGL ES contexts, by setting the
`GLFW_CLIENT_API` window hint to `GLFW_OPENGL_ES_API`, where creation of such
contexts are supported. Note that GLFW *does not implement* OpenGL ES, so your
driver must provide support in a way usable by GLFW. Modern nVidia and Intel
drivers support creation of OpenGL ES context using the GLX and WGL APIs, while
AMD provides an EGL implementation instead.
@subsection news_30_egl (Experimental) EGL support
GLFW now has an experimental EGL context creation back end that can be selected
through CMake options.
@subsection news_30_hidpi High-DPI support
GLFW now supports high-DPI monitors on both Windows and OS X, giving windows full
resolution framebuffers where other UI elements are scaled up. To achieve this,
@ref glfwGetFramebufferSize and @ref glfwSetFramebufferSizeCallback have been
added. These work with pixels, while the rest of the GLFW API work with screen
coordinates.
@subsection news_30_error Error callback
GLFW now has an error callback, which can provide your application with much
more detailed diagnostics than was previously possible. The callback is passed
an error code and a description string.
@subsection news_30_wndptr Per-window user pointer
Each window now has a user-defined pointer, retrieved with @ref
glfwGetWindowUserPointer and set with @ref glfwSetWindowUserPointer, to make it
easier to integrate GLFW into C++ code.
@subsection news_30_iconifyfun Window iconification callback
Each window now has a callback for iconification and restoration events,
which is set with @ref glfwSetWindowIconifyCallback.
@subsection news_30_wndposfun Window position callback
Each window now has a callback for position events, which is set with @ref
glfwSetWindowPosCallback.
@subsection news_30_wndpos Window position query
The position of a window can now be retrieved using @ref glfwGetWindowPos.
@subsection news_30_focusfun Window focus callback
Each windows now has a callback for focus events, which is set with @ref
glfwSetWindowFocusCallback.
@subsection news_30_enterleave Cursor enter/leave callback
Each window now has a callback for when the mouse cursor enters or leaves its
client area, which is set with @ref glfwSetCursorEnterCallback.
@subsection news_30_wndtitle Initial window title
The title of a window is now specified at creation time, as one of the arguments
to @ref glfwCreateWindow.
@subsection news_30_hidden Hidden windows
Windows can now be hidden with @ref glfwHideWindow, shown using @ref
glfwShowWindow and created initially hidden with the `GLFW_VISIBLE` window hint.
This allows for off-screen rendering in a way compatible with most drivers, as
well as moving a window to a specific position before showing it.
@subsection news_30_undecorated Undecorated windows
Windowed mode windows can now be created without decorations, i.e. things like
a frame, a title bar, with the `GLFW_DECORATED` window hint. This allows for
the creation of things like splash screens.
@subsection news_30_keymods Modifier key bit masks
[Modifier key bit mask](@ref mods) parameters have been added to the
[mouse button](@ref GLFWmousebuttonfun) and [key](@ref GLFWkeyfun) callbacks.
@subsection news_30_scancode Platform-specific scancodes
A scancode parameter has been added to the [key callback](@ref GLFWkeyfun). Keys
that don't have a [key token](@ref keys) still get passed on with the key
parameter set to `GLFW_KEY_UNKNOWN`. These scancodes will vary between machines
and are intended to be used for key bindings.
@subsection news_30_jsname Joystick names
The name of a joystick can now be retrieved using @ref glfwGetJoystickName.
@subsection news_30_doxygen Doxygen documentation
You are reading it.
*/

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# Release notes for version 3.5 {#news}
[TOC]
## New features {#features}
### Unlimited mouse buttons {#unlimited_mouse_buttons}
GLFW now has an input mode which allows an unlimited number of mouse buttons to
be reported by the mouse buttton callback, rather than just the associated
[mouse button tokens](@ref buttons). This allows using mouse buttons with
values over 8. For compatibility with older versions, the
@ref GLFW_UNLIMITED_MOUSE_BUTTONS input mode needs to be set to make use of
this.
## Caveats {#caveats}
## Deprecations {#deprecations}
## Removals {#removals}
## New symbols {#new_symbols}
### New functions {#new_functions}
### New types {#new_types}
### New constants {#new_constants}
- @ref GLFW_UNLIMITED_MOUSE_BUTTONS
## Release notes for earlier versions {#news_archive}
- [Release notes for 3.4](https://www.glfw.org/docs/3.4/news.html)
- [Release notes for 3.3](https://www.glfw.org/docs/3.3/news.html)
- [Release notes for 3.2](https://www.glfw.org/docs/3.2/news.html)
- [Release notes for 3.1](https://www.glfw.org/docs/3.1/news.html)
- [Release notes for 3.0](https://www.glfw.org/docs/3.0/news.html)

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/*!
@page quick Getting started
@tableofcontents
This guide will show how to write simple OpenGL applications using GLFW 3. It
will introduce a few of the most commonly used functions, but there are many
others. To see detailed documentation on any GLFW function, just click on its
name.
This guide assumes no experience with earlier versions of GLFW. If you
have used GLFW 2.x in the past, you should also read the
[transition guide](@ref moving).
@section quick_include Including the GLFW header
In the files of your program where you use OpenGL or GLFW, you need to include
the GLFW 3 header file.
@code
#include <GLFW/glfw3.h>
@endcode
This defines all the constants, types and function prototypes of the GLFW API.
It also includes the OpenGL header, and defines all the constants and types
necessary for it to work on your platform.
For example, under Windows you are normally required to include `windows.h`
before including `GL/gl.h`. This would make your source file tied to Windows
and pollute your code's namespace with the whole Win32 API.
Instead, the GLFW header takes care of this for you, not by including
`windows.h`, but rather by itself duplicating only the necessary parts of it.
It does this only where needed, so if `windows.h` *is* included, the GLFW header
does not try to redefine those symbols.
In other words:
- Do *not* include the OpenGL headers yourself, as GLFW does this for you
- Do *not* include `windows.h` or other platform-specific headers unless
you plan on using those APIs directly
- If you *do* need to include such headers, do it *before* including the
GLFW one and it will detect this
Starting with version 3.0, the GLU header `glu.h` is no longer included by
default. If you wish to include it, define `GLFW_INCLUDE_GLU` before the
inclusion of the GLFW header.
@code
#define GLFW_INCLUDE_GLU
#include <GLFW/glfw3.h>
@endcode
@section quick_init_term Initializing and terminating GLFW
Before you can use most GLFW functions, the library must be initialized. This
is done with @ref glfwInit, which returns non-zero if successful, or zero if an
error occurred.
@code
if (!glfwInit())
exit(EXIT_FAILURE);
@endcode
When you are done using GLFW, typically at the very end of the program, you need
to call @ref glfwTerminate.
@code
glfwTerminate();
@endcode
This destroys any remaining windows and releases any other resources allocated by
GLFW. After this call, you must call @ref glfwInit again before using any GLFW
functions that require it.
@section quick_capture_error Setting an error callback
Most events are reported through callbacks, whether it's a key being pressed,
a GLFW window being moved, or an error occurring. Callbacks are simply
C functions (or C++ static methods) that are called by GLFW with arguments
describing the event.
In case @ref glfwInit or any other GLFW function fails, an error is reported to
the GLFW error callback. You can receive these reports by setting the error
callback. The callback function itself should match the signature of @ref
GLFWerrorfun. Here is a simple error callback that just prints the error
description to `stderr`.
@code
void error_callback(int error, const char* description)
{
fputs(description, stderr);
}
@endcode
Setting the callback, so GLFW knows to call it, is done with @ref
glfwSetErrorCallback. This is one of the few GLFW functions that may be called
before @ref glfwInit, which lets you be notified of errors during
initialization, so you should set it before you do anything else with GLFW.
@code
glfwSetErrorCallback(error_callback);
@endcode
@section quick_create_window Creating a window and context
The window (and its context) is created with @ref glfwCreateWindow, which
returns a handle to the created window. For example, this creates a 640 by 480
windowed mode window:
@code
GLFWwindow* window = glfwCreateWindow(640, 480, "My Title", NULL, NULL);
@endcode
If window creation fails, `NULL` will be returned, so you need to check whether
it did.
@code
if (!window)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
@endcode
This handle is then passed to all window related functions, and is provided to
you along with input events, so you know which window received the input.
To create a full screen window, you need to specify which monitor the window
should use. In most cases, the user's primary monitor is a good choice. You
can get this with @ref glfwGetPrimaryMonitor. To make the above window
full screen, just pass along the monitor handle:
@code
GLFWwindow* window = glfwCreateWindow(640, 480, "My Title", glfwGetPrimaryMonitor(), NULL);
@endcode
Full screen windows cover the entire display area of a monitor, have no border
or decorations, and change the monitor's resolution to the one most closely
matching the requested window size.
When you are done with the window, destroy it with the @ref glfwDestroyWindow
function.
@code
glfwDestroyWindow(window);
@endcode
Once this function is called, no more events will be delivered for that window
and its handle becomes invalid.
@section quick_context_current Making the OpenGL context current
Before you can use the OpenGL API, it must have a current OpenGL context. You
make a window's context current with @ref glfwMakeContextCurrent. It will then
remain as the current context until you make another context current or until
the window owning it is destroyed.
@code
glfwMakeContextCurrent(window);
@endcode
@section quick_window_close Checking the window close flag
Each window has a flag indicating whether the window should be closed. This can
be checked with @ref glfwWindowShouldClose.
When the user attempts to close the window, either by pressing the close widget
in the title bar or using a key combination like Alt+F4, this flag is set to 1.
Note that **the window isn't actually closed**, so you are expected to monitor
this flag and either destroy the window or give some kind of feedback to the
user.
@code
while (!glfwWindowShouldClose(window))
{
// Keep running
}
@endcode
You can be notified when user is attempting to close the window by setting
a close callback with @ref glfwSetWindowCloseCallback. The callback will be
called immediately after the close flag has been set.
You can also set it yourself with @ref glfwSetWindowShouldClose. This can be
useful if you want to interpret other kinds of input as closing the window, like
for example pressing the escape key.
@section quick_key_input Receiving input events
Each window has a large number of callbacks that can be set to receive all the
various kinds of events. To receive key press and release events, a
[key callback](@ref GLFWkeyfun) is set using @ref glfwSetKeyCallback.
@code
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GL_TRUE);
}
@endcode
For event callbacks to actually be called when an event occurs, you need to
process events as described below.
@section quick_render Rendering with OpenGL
Once you have a current OpenGL context, you can use OpenGL normally. In this
tutorial, a multi-colored rotating triangle will be rendered. The framebuffer
size, needed by this example for `glViewport` and `glOrtho`, is retrieved with
@ref glfwGetFramebufferSize.
@code
int width, height;
glfwGetFramebufferSize(window, &width, &height);
glViewport(0, 0, width, height);
@endcode
However, you can also set a framebuffer size callback using @ref
glfwSetFramebufferSizeCallback and call `glViewport` from there.
@code
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
glViewport(0, 0, width, height);
}
@endcode
@section quick_timer Reading the timer
For the triangle to rotate properly, a time source is needed. GLFW provides
@ref glfwGetTime, which returns the number of seconds since @ref glfwInit as
a `double`. The time source used is the most accurate on each platform and
generally has micro- or nanosecond resolution.
@code
double time = glfwGetTime();
@endcode
@section quick_swap_buffers Swapping buffers
GLFW windows always use double-buffering. That means that you have two
rendering buffers; a front buffer and a back buffer. The front buffer is the
one being displayed and the back buffer the one you render to.
When the entire frame has been rendered, it is time to swap the back and the
front buffers in order to display the rendered frame, and begin rendering a new
frame. This is done with @ref glfwSwapBuffers.
@code
glfwSwapBuffers(window);
@endcode
@section quick_process_events Processing events
GLFW needs to communicate regularly with the window system both in order to
receive events and to show that it hasn't locked up. Event processing must be
done regularly and is normally done each frame before rendering but after buffer
swap.
There are two ways to process pending events. @ref glfwPollEvents processes
only those events that have already been received and then returns immediately.
This is the best choice when rendering continually, like most games do.
@code
glfwPollEvents();
@endcode
If instead you only need to update your rendering once you have received new
input, @ref glfwWaitEvents is a better choice. It waits until at least one
event has been received, putting the thread to sleep in the meantime, and then
processes all received events just like @ref glfwPollEvents does. This saves
a great deal of CPU cycles and is useful for, for example, many kinds of editing
tools.
@code
glfwWaitEvents();
@endcode
@section quick_example Putting it together: A small GLFW application
Now that you know how to initialize GLFW, create a window and poll for
keyboard input, it's possible to create a simple program.
@snippet simple.c code
This program creates a 640 by 480 windowed mode window and runs a loop clearing
the screen, rendering a triangle and processing events until the user closes the
window. It can be found in the source distribution as `examples/simple.c`, and
is by default compiled along with all other examples when you build GLFW.
*/

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# Getting started {#quick_guide}
[TOC]
This guide takes you through writing a small application using GLFW 3. The
application will create a window and OpenGL context, render a rotating triangle
and exit when the user closes the window or presses _Escape_. This guide will
introduce a few of the most commonly used functions, but there are many more.
This guide assumes no experience with earlier versions of GLFW. If you
have used GLFW 2 in the past, read @ref moving_guide, as some functions
behave differently in GLFW 3.
## Step by step {#quick_steps}
### Including the GLFW header {#quick_include}
In the source files of your application where you use GLFW, you need to include
its header file.
```c
#include <GLFW/glfw3.h>
```
This header provides all the constants, types and function prototypes of the
GLFW API.
By default it also includes the OpenGL header from your development environment.
On some platforms this header only supports older versions of OpenGL. The most
extreme case is Windows, where it typically only supports OpenGL 1.2.
Most programs will instead use an
[extension loader library](@ref context_glext_auto) and include its header.
This example uses files generated by [glad](https://gen.glad.sh/). The GLFW
header can detect most such headers if they are included first and will then not
include the one from your development environment.
```c
#include <glad/gl.h>
#include <GLFW/glfw3.h>
```
To make sure there will be no header conflicts, you can define @ref
GLFW_INCLUDE_NONE before the GLFW header to explicitly disable inclusion of the
development environment header. This also allows the two headers to be included
in any order.
```c
#define GLFW_INCLUDE_NONE
#include <GLFW/glfw3.h>
#include <glad/gl.h>
```
### Initializing and terminating GLFW {#quick_init_term}
Before you can use most GLFW functions, the library must be initialized. On
successful initialization, `GLFW_TRUE` is returned. If an error occurred,
`GLFW_FALSE` is returned.
```c
if (!glfwInit())
{
// Initialization failed
}
```
Note that `GLFW_TRUE` and `GLFW_FALSE` are and will always be one and zero.
When you are done using GLFW, typically just before the application exits, you
need to terminate GLFW.
```c
glfwTerminate();
```
This destroys any remaining windows and releases any other resources allocated by
GLFW. After this call, you must initialize GLFW again before using any GLFW
functions that require it.
### Setting an error callback {#quick_capture_error}
Most events are reported through callbacks, whether it's a key being pressed,
a GLFW window being moved, or an error occurring. Callbacks are C functions (or
C++ static methods) that are called by GLFW with arguments describing the event.
In case a GLFW function fails, an error is reported to the GLFW error callback.
You can receive these reports with an error callback. This function must have
the signature below but may do anything permitted in other callbacks.
```c
void error_callback(int error, const char* description)
{
fprintf(stderr, "Error: %s\n", description);
}
```
Callback functions must be set, so GLFW knows to call them. The function to set
the error callback is one of the few GLFW functions that may be called before
initialization, which lets you be notified of errors both during and after
initialization.
```c
glfwSetErrorCallback(error_callback);
```
### Creating a window and context {#quick_create_window}
The window and its OpenGL context are created with a single call to @ref
glfwCreateWindow, which returns a handle to the created combined window and
context object
```c
GLFWwindow* window = glfwCreateWindow(640, 480, "My Title", NULL, NULL);
if (!window)
{
// Window or OpenGL context creation failed
}
```
This creates a 640 by 480 windowed mode window with an OpenGL context. If
window or OpenGL context creation fails, `NULL` will be returned. You should
always check the return value. While window creation rarely fails, context
creation depends on properly installed drivers and may fail even on machines
with the necessary hardware.
By default, the OpenGL context GLFW creates may have any version. You can
require a minimum OpenGL version by setting the `GLFW_CONTEXT_VERSION_MAJOR` and
`GLFW_CONTEXT_VERSION_MINOR` hints _before_ creation. If the required minimum
version is not supported on the machine, context (and window) creation fails.
You can select the OpenGL profile by setting the `GLFW_OPENGL_PROFILE` hint.
This program uses the core profile as that is the only profile macOS supports
for OpenGL 3.x and 4.x.
```c
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
GLFWwindow* window = glfwCreateWindow(640, 480, "My Title", NULL, NULL);
if (!window)
{
// Window or context creation failed
}
```
When a window and context is no longer needed, destroy it.
```c
glfwDestroyWindow(window);
```
Once this function is called, no more events will be delivered for that window
and its handle becomes invalid.
### Making the OpenGL context current {#quick_context_current}
Before you can use the OpenGL API, you must have a current OpenGL context.
```c
glfwMakeContextCurrent(window);
```
The context will remain current until you make another context current or until
the window owning the current context is destroyed.
If you are using an [extension loader library](@ref context_glext_auto) to
access modern OpenGL then this is when to initialize it, as the loader needs
a current context to load from. This example uses
[glad](https://github.com/Dav1dde/glad), but the same rule applies to all such
libraries.
```c
gladLoadGL(glfwGetProcAddress);
```
### Checking the window close flag {#quick_window_close}
Each window has a flag indicating whether the window should be closed.
When the user attempts to close the window, either by pressing the close widget
in the title bar or using a key combination like Alt+F4, this flag is set to 1.
Note that __the window isn't actually closed__, so you are expected to monitor
this flag and either destroy the window or give some kind of feedback to the
user.
```c
while (!glfwWindowShouldClose(window))
{
// Keep running
}
```
You can be notified when the user is attempting to close the window by setting
a close callback with @ref glfwSetWindowCloseCallback. The callback will be
called immediately after the close flag has been set.
You can also set it yourself with @ref glfwSetWindowShouldClose. This can be
useful if you want to interpret other kinds of input as closing the window, like
for example pressing the _Escape_ key.
### Receiving input events {#quick_key_input}
Each window has a large number of callbacks that can be set to receive all the
various kinds of events. To receive key press and release events, create a key
callback function.
```c
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GLFW_TRUE);
}
```
The key callback, like other window related callbacks, are set per-window.
```c
glfwSetKeyCallback(window, key_callback);
```
In order for event callbacks to be called when events occur, you need to process
events as described below.
### Rendering with OpenGL {#quick_render}
Once you have a current OpenGL context, you can use OpenGL normally. In this
tutorial, a multicolored rotating triangle will be rendered. The framebuffer
size needs to be retrieved for `glViewport`.
```c
int width, height;
glfwGetFramebufferSize(window, &width, &height);
glViewport(0, 0, width, height);
```
You can also set a framebuffer size callback using @ref
glfwSetFramebufferSizeCallback and be notified when the size changes.
The details of how to render with OpenGL is outside the scope of this tutorial,
but there are many excellent resources for learning modern OpenGL. Here are
a few of them:
- [Anton's OpenGL 4 Tutorials](https://antongerdelan.net/opengl/)
- [Learn OpenGL](https://learnopengl.com/)
- [Open.GL](https://open.gl/)
These all happen to use GLFW, but OpenGL itself works the same whatever API you
use to create the window and context.
### Reading the timer {#quick_timer}
To create smooth animation, a time source is needed. GLFW provides a timer that
returns the number of seconds since initialization. The time source used is the
most accurate on each platform and generally has micro- or nanosecond
resolution.
```c
double time = glfwGetTime();
```
### Swapping buffers {#quick_swap_buffers}
GLFW windows by default use double buffering. That means that each window has
two rendering buffers; a front buffer and a back buffer. The front buffer is
the one being displayed and the back buffer the one you render to.
When the entire frame has been rendered, the buffers need to be swapped with one
another, so the back buffer becomes the front buffer and vice versa.
```c
glfwSwapBuffers(window);
```
The swap interval indicates how many frames to wait until swapping the buffers,
commonly known as _vsync_. By default, the swap interval is zero, meaning
buffer swapping will occur immediately. On fast machines, many of those frames
will never be seen, as the screen is still only updated typically 60-75 times
per second, so this wastes a lot of CPU and GPU cycles.
Also, because the buffers will be swapped in the middle the screen update,
leading to [screen tearing](https://en.wikipedia.org/wiki/Screen_tearing).
For these reasons, applications will typically want to set the swap interval to
one. It can be set to higher values, but this is usually not recommended,
because of the input latency it leads to.
```c
glfwSwapInterval(1);
```
This function acts on the current context and will fail unless a context is
current.
### Processing events {#quick_process_events}
GLFW needs to communicate regularly with the window system both in order to
receive events and to show that the application hasn't locked up. Event
processing must be done regularly while you have visible windows and is normally
done each frame after buffer swapping.
There are two methods for processing pending events; polling and waiting. This
example will use event polling, which processes only those events that have
already been received and then returns immediately.
```c
glfwPollEvents();
```
This is the best choice when rendering continually, like most games do. If
instead you only need to update your rendering once you have received new input,
@ref glfwWaitEvents is a better choice. It waits until at least one event has
been received, putting the thread to sleep in the meantime, and then processes
all received events. This saves a great deal of CPU cycles and is useful for,
for example, many kinds of editing tools.
## Putting it together {#quick_example}
Now that you know how to initialize GLFW, create a window and poll for
keyboard input, it's possible to create a small program.
This program creates a 640 by 480 windowed mode window and starts a loop that
clears the screen, renders a triangle and processes events until the user either
presses _Escape_ or closes the window.
@snippet triangle-opengl.c code
The program above can be found in the [source package][download] as
`examples/triangle-opengl.c` and is compiled along with all other examples when
you build GLFW. If you built GLFW from the source package then you already have
this as `triangle-opengl.exe` on Windows, `triangle-opengl` on Linux or
`triangle-opengl.app` on macOS.
[download]: https://www.glfw.org/download.html
This tutorial used only a few of the many functions GLFW provides. There are
guides for each of the areas covered by GLFW. Each guide will introduce all the
functions for that category.
- @ref intro_guide
- @ref window_guide
- @ref context_guide
- @ref monitor_guide
- @ref input_guide
You can access reference documentation for any GLFW function by clicking it and
the reference for each function links to related functions and guide sections.
The tutorial ends here. Once you have written a program that uses GLFW, you
will need to compile and link it. How to do that depends on the development
environment you are using and is best explained by the documentation for that
environment. To learn about the details that are specific to GLFW, see
@ref build_guide.

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# Vulkan guide {#vulkan_guide}
[TOC]
This guide is intended to fill the gaps between the official [Vulkan
resources](https://www.khronos.org/vulkan/) and the rest of the GLFW
documentation and is not a replacement for either. It assumes some familiarity
with Vulkan concepts like loaders, devices, queues and surfaces and leaves it to
the Vulkan documentation to explain the details of Vulkan functions.
To develop for Vulkan you should download the [LunarG Vulkan
SDK](https://vulkan.lunarg.com/) for your platform. Apart from headers and link
libraries, they also provide the validation layers necessary for development.
The [Vulkan Tutorial](https://vulkan-tutorial.com/) has more information on how
to use GLFW and Vulkan. The [Khronos Vulkan
Samples](https://github.com/KhronosGroup/Vulkan-Samples) also use GLFW, although
with a small framework in between.
For details on a specific Vulkan support function, see the @ref vulkan. There
are also guides for the other areas of the GLFW API.
- @ref intro_guide
- @ref window_guide
- @ref context_guide
- @ref monitor_guide
- @ref input_guide
## Finding the Vulkan loader {#vulkan_loader}
GLFW itself does not ever need to be linked against the Vulkan loader.
By default, GLFW will load the Vulkan loader dynamically at runtime via its standard name:
`vulkan-1.dll` on Windows, `libvulkan.so.1` on Linux and other Unix-like systems and
`libvulkan.1.dylib` on macOS.
@macos GLFW will also look up and search the `Frameworks` subdirectory of your
application bundle.
If your code is using a Vulkan loader with a different name or in a non-standard location
you will need to direct GLFW to it. Pass your version of `vkGetInstanceProcAddr` to @ref
glfwInitVulkanLoader before initializing GLFW and it will use that function for all Vulkan
entry point retrieval. This prevents GLFW from dynamically loading the Vulkan loader.
```c
glfwInitVulkanLoader(vkGetInstanceProcAddr);
```
@macos To make your application be redistributable you will need to set up the application
bundle according to the LunarG SDK documentation. This is explained in more detail in the
[SDK documentation for macOS](https://vulkan.lunarg.com/doc/sdk/latest/mac/getting_started.html).
## Including the Vulkan header file {#vulkan_include}
To have GLFW include the Vulkan header, define @ref GLFW_INCLUDE_VULKAN before including
the GLFW header.
```c
#define GLFW_INCLUDE_VULKAN
#include <GLFW/glfw3.h>
```
If you instead want to include the Vulkan header from a custom location or use
your own custom Vulkan header then do this before the GLFW header.
```c
#include <path/to/vulkan.h>
#include <GLFW/glfw3.h>
```
Unless a Vulkan header is included, either by the GLFW header or above it, the following
GLFW functions will not be declared, as depend on Vulkan types.
- @ref glfwInitVulkanLoader
- @ref glfwGetInstanceProcAddress
- @ref glfwGetPhysicalDevicePresentationSupport
- @ref glfwCreateWindowSurface
The `VK_USE_PLATFORM_*_KHR` macros do not need to be defined for the Vulkan part
of GLFW to work. Define them only if you are using these extensions directly.
## Querying for Vulkan support {#vulkan_support}
If you are linking directly against the Vulkan loader then you can skip this
section. The canonical desktop loader library exports all Vulkan core and
Khronos extension functions, allowing them to be called directly.
If you are loading the Vulkan loader dynamically instead of linking directly
against it, you can check for the availability of a loader and ICD with @ref
glfwVulkanSupported.
```c
if (glfwVulkanSupported())
{
// Vulkan is available, at least for compute
}
```
This function returns `GLFW_TRUE` if the Vulkan loader and any minimally
functional ICD was found.
If one or both were not found, calling any other Vulkan related GLFW function
will generate a @ref GLFW_API_UNAVAILABLE error.
### Querying Vulkan function pointers {#vulkan_proc}
To load any Vulkan core or extension function from the found loader, call @ref
glfwGetInstanceProcAddress. To load functions needed for instance creation,
pass `NULL` as the instance.
```c
PFN_vkCreateInstance pfnCreateInstance = (PFN_vkCreateInstance)
glfwGetInstanceProcAddress(NULL, "vkCreateInstance");
```
Once you have created an instance, you can load from it all other Vulkan core
functions and functions from any instance extensions you enabled.
```c
PFN_vkCreateDevice pfnCreateDevice = (PFN_vkCreateDevice)
glfwGetInstanceProcAddress(instance, "vkCreateDevice");
```
This function in turn calls `vkGetInstanceProcAddr`. If that fails, the
function falls back to a platform-specific query of the Vulkan loader (i.e.
`dlsym` or `GetProcAddress`). If that also fails, the function returns `NULL`.
For more information about `vkGetInstanceProcAddr`, see the Vulkan
documentation.
Vulkan also provides `vkGetDeviceProcAddr` for loading device-specific versions
of Vulkan function. This function can be retrieved from an instance with @ref
glfwGetInstanceProcAddress.
```c
PFN_vkGetDeviceProcAddr pfnGetDeviceProcAddr = (PFN_vkGetDeviceProcAddr)
glfwGetInstanceProcAddress(instance, "vkGetDeviceProcAddr");
```
Device-specific functions may execute a little faster, due to not having to
dispatch internally based on the device passed to them. For more information
about `vkGetDeviceProcAddr`, see the Vulkan documentation.
## Querying required Vulkan extensions {#vulkan_ext}
To do anything useful with Vulkan you need to create an instance. If you want
to use Vulkan to render to a window, you must enable the instance extensions
GLFW requires to create Vulkan surfaces.
To query the instance extensions required, call @ref
glfwGetRequiredInstanceExtensions.
```c
uint32_t count;
const char** extensions = glfwGetRequiredInstanceExtensions(&count);
```
These extensions must all be enabled when creating instances that are going to
be passed to @ref glfwGetPhysicalDevicePresentationSupport and @ref
glfwCreateWindowSurface. The set of extensions will vary depending on platform
and may also vary depending on graphics drivers and other factors.
If it fails it will return `NULL` and GLFW will not be able to create Vulkan
window surfaces. You can still use Vulkan for off-screen rendering and compute
work.
If successful the returned array will always include `VK_KHR_surface`, so if
you don't require any additional extensions you can pass this list directly to
the `VkInstanceCreateInfo` struct.
```c
VkInstanceCreateInfo ici;
memset(&ici, 0, sizeof(ici));
ici.enabledExtensionCount = count;
ici.ppEnabledExtensionNames = extensions;
...
```
Additional extensions may be required by future versions of GLFW. You should
check whether any extensions you wish to enable are already in the returned
array, as it is an error to specify an extension more than once in the
`VkInstanceCreateInfo` struct.
@macos MoltenVK is (as of July 2022) not yet a fully conformant implementation
of Vulkan. As of Vulkan SDK 1.3.216.0, this means you must also enable the
`VK_KHR_portability_enumeration` instance extension and set the
`VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR` bit in the instance creation
info flags for MoltenVK to show up in the list of physical devices. For more
information, see the Vulkan and MoltenVK documentation.
## Querying for Vulkan presentation support {#vulkan_present}
Not every queue family of every Vulkan device can present images to surfaces.
To check whether a specific queue family of a physical device supports image
presentation without first having to create a window and surface, call @ref
glfwGetPhysicalDevicePresentationSupport.
```c
if (glfwGetPhysicalDevicePresentationSupport(instance, physical_device, queue_family_index))
{
// Queue family supports image presentation
}
```
The `VK_KHR_surface` extension additionally provides the
`vkGetPhysicalDeviceSurfaceSupportKHR` function, which performs the same test on
an existing Vulkan surface.
## Creating the window {#vulkan_window}
Unless you will be using OpenGL or OpenGL ES with the same window as Vulkan,
there is no need to create a context. You can disable context creation with the
[GLFW_CLIENT_API](@ref GLFW_CLIENT_API_hint) hint.
```c
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
GLFWwindow* window = glfwCreateWindow(640, 480, "Window Title", NULL, NULL);
```
See @ref context_less for more information.
## Creating a Vulkan window surface {#vulkan_surface}
You can create a Vulkan surface (as defined by the `VK_KHR_surface` extension)
for a GLFW window with @ref glfwCreateWindowSurface.
```c
VkSurfaceKHR surface;
VkResult err = glfwCreateWindowSurface(instance, window, NULL, &surface);
if (err)
{
// Window surface creation failed
}
```
If an OpenGL or OpenGL ES context was created on the window, the context has
ownership of the presentation on the window and a Vulkan surface cannot be
created.
It is your responsibility to destroy the surface. GLFW does not destroy it for
you. Call `vkDestroySurfaceKHR` function from the same extension to destroy it.

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/*!
@page window Window handling guide
@tableofcontents
The primary purpose of GLFW is to provide a simple interface to window
management and OpenGL and OpenGL ES context creation. GLFW supports multiple
windows, which can be either a normal desktop window or a full screen window.
@section window_object Window handles
The @ref GLFWwindow object encapsulates both a window and a context. They are
created with @ref glfwCreateWindow and destroyed with @ref glfwDestroyWindow (or
@ref glfwTerminate, if any remain). As the window and context are inseparably
linked, the object pointer is used as both a context and window handle.
@section window_creation Window creation
The window and its context are created with @ref glfwCreateWindow, which
returns a handle to the created window object. For example, this creates a 640
by 480 windowed mode window:
@code
GLFWwindow* window = glfwCreateWindow(640, 480, "My Title", NULL, NULL);
@endcode
If window creation fails, `NULL` will be returned, so you need to check whether
it did.
This handle is then passed to all window related functions, and is provided to
you along with input events, so you know which window received the input.
To create a full screen window, you need to specify which monitor the window
should use. In most cases, the user's primary monitor is a good choice. For
more information about monitors, see the @ref monitor.
@code
GLFWwindow* window = glfwCreateWindow(640, 480, "My Title", glfwGetPrimaryMonitor(), NULL);
@endcode
Full screen windows cover the entire display area of a monitor, have no border
or decorations, and change the monitor's resolution to the one most closely
matching the requested window size.
For more control over how the window and its context are created, see @ref
window_hints below.
@section window_destruction Window destruction
When you are done with the window, destroy it with the @ref glfwDestroyWindow
function.
@code
glfwDestroyWindow(window);
@endcode
Once this function is called, no more events will be delivered for that window
and its handle becomes invalid.
@section window_hints Window creation hints
There are a number of hints that can be set before the creation of a window and
context. Some affect the window itself, others affect the framebuffer or
context. These hints are set to their default values each time the library is
initialized with @ref glfwInit, can be set individually with @ref glfwWindowHint
and reset all at once to their defaults with @ref glfwDefaultWindowHints.
Note that hints need to be set *before* the creation of the window and context
you wish to have the specified attributes.
@subsection window_hints_hard Hard and soft constraints
Some window hints are hard constraints. These must match the available
capabilities *exactly* for window and context creation to succeed. Hints
that are not hard constraints are matched as closely as possible, but the
resulting window and context may differ from what these hints requested. To
find out the actual attributes of the created window and context, use the
@ref glfwGetWindowAttrib function.
The following hints are hard constraints:
- `GLFW_STEREO`
- `GLFW_CLIENT_API`
The following additional hints are hard constraints if requesting an OpenGL
context:
- `GLFW_OPENGL_FORWARD_COMPAT`
- `GLFW_OPENGL_PROFILE`
Hints that do not apply to a given type of window or context are ignored.
@subsection window_hints_wnd Window related hints
The `GLFW_RESIZABLE` hint specifies whether the window will be resizable *by the
user*. The window will still be resizable using the @ref glfwSetWindowSize
function. This hint is ignored for full screen windows.
The `GLFW_VISIBLE` hint specifies whether the window will be initially
visible. This hint is ignored for full screen windows.
The `GLFW_DECORATED` hint specifies whether the window will have window
decorations such as a border, a close widget, etc. This hint is ignored for
full screen windows. Note that even though a window may lack a close widget, it
is usually still possible for the user to generate close events.
@subsection window_hints_fb Framebuffer related hints
The `GLFW_RED_BITS`, `GLFW_GREEN_BITS`, `GLFW_BLUE_BITS`, `GLFW_ALPHA_BITS`,
`GLFW_DEPTH_BITS` and `GLFW_STENCIL_BITS` hints specify the desired bit
depths of the various components of the default framebuffer.
The `GLFW_ACCUM_RED_BITS`, `GLFW_ACCUM_GREEN_BITS`, `GLFW_ACCUM_BLUE_BITS`
and `GLFW_ACCUM_ALPHA_BITS` hints specify the desired bit depths of the
various components of the accumulation buffer.
The `GLFW_AUX_BUFFERS` hint specifies the desired number of auxiliary
buffers.
The `GLFW_STEREO` hint specifies whether to use stereoscopic rendering.
The `GLFW_SAMPLES` hint specifies the desired number of samples to use for
multisampling. Zero disables multisampling.
The `GLFW_SRGB_CAPABLE` hint specifies whether the framebuffer should be
sRGB capable.
The `GLFW_REFRESH_RATE` hint specifies the desired refresh rate for full screen
windows. If set to zero, the highest available refresh rate will be used. This
hint is ignored for windowed mode windows.
@subsection window_hints_ctx Context related hints
The `GLFW_CLIENT_API` hint specifies which client API to create the context
for. Possible values are `GLFW_OPENGL_API` and `GLFW_OPENGL_ES_API`.
The `GLFW_CONTEXT_VERSION_MAJOR` and `GLFW_CONTEXT_VERSION_MINOR` hints
specify the client API version that the created context must be compatible
with.
For OpenGL, these hints are *not* hard constraints, as they don't have to
match exactly, but @ref glfwCreateWindow will still fail if the resulting
OpenGL version is less than the one requested. It is therefore perfectly
safe to use the default of version 1.0 for legacy code and you may still
get backwards-compatible contexts of version 3.0 and above when available.
While there is no way to ask the driver for a context of the highest supported
version, most drivers provide this when you ask GLFW for a version
1.0 context.
For OpenGL ES, these hints are hard constraints.
If an OpenGL context is requested, the `GLFW_OPENGL_FORWARD_COMPAT` hint
specifies whether the OpenGL context should be forward-compatible, i.e. one
where all functionality deprecated in the requested version of OpenGL is
removed. This may only be used if the requested OpenGL version is 3.0 or
above. If another client API is requested, this hint is ignored.
If an OpenGL context is requested, the `GLFW_OPENGL_DEBUG_CONTEXT` hint
specifies whether to create a debug OpenGL context, which may have
additional error and performance issue reporting functionality. If another
client API is requested, this hint is ignored.
If an OpenGL context is requested, the `GLFW_OPENGL_PROFILE` hint specifies
which OpenGL profile to create the context for. Possible values are one of
`GLFW_OPENGL_CORE_PROFILE` or `GLFW_OPENGL_COMPAT_PROFILE`, or
`GLFW_OPENGL_ANY_PROFILE` to not request a specific profile. If requesting
an OpenGL version below 3.2, `GLFW_OPENGL_ANY_PROFILE` must be used. If
another client API is requested, this hint is ignored.
The `GLFW_CONTEXT_ROBUSTNESS` hint specifies the robustness strategy to be
used by the context. This can be one of `GLFW_NO_RESET_NOTIFICATION` or
`GLFW_LOSE_CONTEXT_ON_RESET`, or `GLFW_NO_ROBUSTNESS` to not request
a robustness strategy.
@subsection window_hints_values Supported and default values
| Name | Default value | Supported values |
| ---------------------------- | ------------------------- | ----------------------- |
| `GLFW_RESIZABLE` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_VISIBLE` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_DECORATED` | `GL_TRUE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_RED_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_GREEN_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_BLUE_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_ALPHA_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_DEPTH_BITS` | 24 | 0 to `INT_MAX` |
| `GLFW_STENCIL_BITS` | 8 | 0 to `INT_MAX` |
| `GLFW_ACCUM_RED_BITS` | 0 | 0 to `INT_MAX` |
| `GLFW_ACCUM_GREEN_BITS` | 0 | 0 to `INT_MAX` |
| `GLFW_ACCUM_BLUE_BITS` | 0 | 0 to `INT_MAX` |
| `GLFW_ACCUM_ALPHA_BITS` | 0 | 0 to `INT_MAX` |
| `GLFW_AUX_BUFFERS` | 0 | 0 to `INT_MAX` |
| `GLFW_SAMPLES` | 0 | 0 to `INT_MAX` |
| `GLFW_REFRESH_RATE` | 0 | 0 to `INT_MAX` |
| `GLFW_STEREO` | `GL_FALSE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_SRGB_CAPABLE` | `GL_FALSE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_CLIENT_API` | `GLFW_OPENGL_API` | `GLFW_OPENGL_API` or `GLFW_OPENGL_ES_API` |
| `GLFW_CONTEXT_VERSION_MAJOR` | 1 | Any valid major version number of the chosen client API |
| `GLFW_CONTEXT_VERSION_MINOR` | 0 | Any valid minor version number of the chosen client API |
| `GLFW_CONTEXT_ROBUSTNESS` | `GLFW_NO_ROBUSTNESS` | `GLFW_NO_ROBUSTNESS`, `GLFW_NO_RESET_NOTIFICATION` or `GLFW_LOSE_CONTEXT_ON_RESET` |
| `GLFW_OPENGL_FORWARD_COMPAT` | `GL_FALSE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_OPENGL_DEBUG_CONTEXT` | `GL_FALSE` | `GL_TRUE` or `GL_FALSE` |
| `GLFW_OPENGL_PROFILE` | `GLFW_OPENGL_ANY_PROFILE` | `GLFW_OPENGL_ANY_PROFILE`, `GLFW_OPENGL_COMPAT_PROFILE` or `GLFW_OPENGL_CORE_PROFILE` |
@section window_close Window close flag
When the user attempts to close the window, for example by clicking the close
widget or using a key chord like Alt+F4, the *close flag* of the window is set.
The window is however not actually destroyed and, unless you watch for this
state change, nothing further happens.
The current state of the close flag is returned by @ref glfwWindowShouldClose
and can be set or cleared directly with @ref glfwSetWindowShouldClose. A common
pattern is to use the close flag as a main loop condition.
@code
while (!glfwWindowShouldClose(window))
{
render(window);
glfwSwapBuffers(window);
glfwPollEvents();
}
@endcode
If you wish to be notified when the user attempts to close a window, you can set
the close callback with @ref glfwSetWindowCloseCallback. This callback is
called directly *after* the close flag has been set.
@code
glfwSetWindowCloseCallback(window, window_close_callback);
@endcode
The callback function can be used for example to filter close requests and clear
the close flag again unless certain conditions are met.
@code
void window_close_callback(GLFWwindow* window)
{
if (!time_to_close)
glfwSetWindowShouldClose(window, GL_FALSE);
}
@endcode
@section window_size Window size
The size of a window can be changed with @ref glfwSetWindowSize. For windowed
mode windows, this resizes the specified window so that its *client area* has
the specified size. Note that the window system may put limitations on size.
For full screen windows, it selects and sets the video mode most closely
matching the specified size.
@code
void glfwSetWindowSize(window, 640, 480);
@endcode
If you wish to be notified when a window is resized, whether by the user or
the system, you can set the size callback with @ref glfwSetWindowSizeCallback.
@code
glfwSetWindowSizeCallback(window, window_size_callback);
@endcode
The callback function receives the new size of the client area of the window.
@code
void window_size_callback(GLFWwindow* window, int width, int height)
{
}
@endcode
There is also @ref glfwGetWindowSize for directly retrieving the current size of
a window.
@code
int width, height;
glfwGetWindowSize(window, &width, &height);
@endcode
@section window_fbsize Window framebuffer size
While the size of a window is measured in screen coordinates, OpenGL works with
pixels. The size you pass into `glViewport`, for example, should be in pixels
and not screen coordinates. On some platforms screen coordinates and pixels are
the same, but this is not the case on all platforms supported by GLFW. There is
a second set of functions to retrieve the size in pixels of the framebuffer of
a window.
If you wish to be notified when the framebuffer of a window is resized, whether
by the user or the system, you can set the size callback with @ref
glfwSetFramebufferSizeCallback.
@code
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
@endcode
The callback function receives the new size of the client area of the window,
which can for example be used to update the OpenGL viewport.
@code
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
glViewport(0, 0, width, height);
}
@endcode
There is also @ref glfwGetFramebufferSize for directly retrieving the current
size of the framebuffer of a window.
@code
int width, height;
glfwGetFramebufferSize(window, &width, &height);
glViewport(0, 0, width, height);
@endcode
Note that the size of a framebuffer may change independently of the size of
a window, for example if the window is dragged between a regular monitor and
a high-DPI one.
@section window_pos Window position
The position of a windowed-mode window can be changed with @ref
glfwSetWindowPos. This moves the window so that the upper-left corner of its
client area has the specified screen coordinates. Note that the window system
may put limitations on placement.
@code
glfwSetWindowPos(window, 100, 100);
@endcode
If you wish to be notified when a window is moved, whether by the user or
the system, you can set the position callback with @ref glfwSetWindowPosCallback.
@code
glfwSetWindowPosCallback(window, window_pos_callback);
@endcode
The callback function receives the new position of the upper-left corner of its
client area.
@code
void window_size_callback(GLFWwindow* window, int xpos, int ypos)
{
}
@endcode
There is also @ref glfwGetWindowPos for directly retrieving the current position
of the client area of the window.
@code
int xpos, ypos;
glfwGetWindowPos(window, &xpos, &ypos);
@endcode
@section window_title Window title
All GLFW windows have a title, although undecorated or full screen windows may
not display it or only display it in a task bar or similar interface. To change
the title of a window, use @ref glfwSetWindowTitle.
@code
glfwSetWindowTitle(window, "My Window");
@endcode
The window title is a regular C string using the UTF-8 encoding. This means
for example that, as long as your source file is encoded as UTF-8, you can use
any Unicode characters.
@code
glfwSetWindowTitle(window, "さよなら絶望先生");
@endcode
@section window_attribs Window attributes
Windows have a number of attributes that can be returned using @ref
glfwGetWindowAttrib. Some reflect state that may change during the lifetime of
the window, while others reflect the corresponding hints and are fixed at the
time of creation.
@code
if (glfwGetWindowAttrib(window, GLFW_FOCUSED))
{
// window has input focus
}
@endcode
@subsection window_attribs_window Window attributes
The `GLFW_FOCUSED` attribute indicates whether the specified window currently
has input focus.
The `GLFW_ICONIFIED` attribute indicates whether the specified window is
currently iconified, whether by the user or with @ref glfwIconifyWindow.
The `GLFW_VISIBLE` attribute indicates whether the specified window is currently
visible. Window visibility can be controlled with @ref glfwShowWindow and @ref
glfwHideWindow and initial visibility is controlled by the
[window hint](@ref window_hints) with the same name.
The `GLFW_RESIZABLE` attribute indicates whether the specified window is
resizable *by the user*. This is controlled by the
[window hint](@ref window_hints) with the same name.
The `GLFW_DECORATED` attribute indicates whether the specified window has
decorations such as a border, a close widget, etc. This is controlled by the
[window hint](@ref window_hints) with the same name.
@subsection window_attribs_context Context attributes
The `GLFW_CLIENT_API` attribute indicates the client API provided by the
window's context; either `GLFW_OPENGL_API` or `GLFW_OPENGL_ES_API`.
The `GLFW_CONTEXT_VERSION_MAJOR`, `GLFW_CONTEXT_VERSION_MINOR` and
`GLFW_CONTEXT_REVISION` attributes indicate the client API version of the
window's context.
The `GLFW_OPENGL_FORWARD_COMPAT` attribute is `GL_TRUE` if the window's
context is an OpenGL forward-compatible one, or `GL_FALSE` otherwise.
The `GLFW_OPENGL_DEBUG_CONTEXT` attribute is `GL_TRUE` if the window's
context is an OpenGL debug context, or `GL_FALSE` otherwise.
The `GLFW_OPENGL_PROFILE` attribute indicates the OpenGL profile used by the
context. This is `GLFW_OPENGL_CORE_PROFILE` or `GLFW_OPENGL_COMPAT_PROFILE`
if the context uses a known profile, or `GLFW_OPENGL_ANY_PROFILE` if the
OpenGL profile is unknown or the context is for another client API.
The `GLFW_CONTEXT_ROBUSTNESS` attribute indicates the robustness strategy
used by the context. This is `GLFW_LOSE_CONTEXT_ON_RESET` or
`GLFW_NO_RESET_NOTIFICATION` if the window's context supports robustness, or
`GLFW_NO_ROBUSTNESS` otherwise.
@section window_swap Swapping buffers
GLFW windows are always double buffered. That means that you have two
rendering buffers; a front buffer and a back buffer. The front buffer is
the one being displayed and the back buffer the one you render to.
When the entire frame has been rendered, it is time to swap the back and the
front buffers in order to display what has been rendered and begin rendering
a new frame. This is done with @ref glfwSwapBuffers.
@code
glfwSwapBuffers(window);
@endcode
Sometimes it can be useful to select when the buffer swap will occur. With the
function @ref glfwSwapInterval it is possible to select the minimum number of
monitor refreshes the driver should wait before swapping the buffers:
@code
glfwSwapInterval(1);
@endcode
If the interval is zero, the swap will take place immediately when @ref
glfwSwapBuffers is called without waiting for a refresh. Otherwise at least
interval retraces will pass between each buffer swap. Using a swap interval of
zero can be useful for benchmarking purposes, when it is not desirable to
measure the time it takes to wait for the vertical retrace. However, a swap
interval of one lets you avoid tearing.
Note that not all OpenGL implementations properly implement this function, in
which case @ref glfwSwapInterval will have no effect. Some drivers also have
user settings that override requests by GLFW.
*/

1530
docs/window.md
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109
examples/CMakeLists.txt
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@ -1,83 +1,60 @@
link_libraries(glfw)
link_libraries(glfw ${OPENGL_glu_LIBRARY})
include_directories("${GLFW_SOURCE_DIR}/deps")
if (MATH_LIBRARY)
link_libraries("${MATH_LIBRARY}")
if (BUILD_SHARED_LIBS)
add_definitions(-DGLFW_DLL)
link_libraries(${OPENGL_gl_LIBRARY} ${MATH_LIBRARY})
else()
link_libraries(${glfw_LIBRARIES})
endif()
# Workaround for the MS CRT deprecating parts of the standard library
if (MSVC OR CMAKE_C_SIMULATE_ID STREQUAL "MSVC")
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
include_directories(${GLFW_SOURCE_DIR}/include
${GLFW_SOURCE_DIR}/deps)
if (NOT APPLE)
# HACK: This is NOTFOUND on OS X 10.8
include_directories(${OPENGL_INCLUDE_DIR})
endif()
if (WIN32)
set(ICON glfw.rc)
elseif (APPLE)
set(ICON glfw.icns)
set(GETOPT ${GLFW_SOURCE_DIR}/deps/getopt.h
${GLFW_SOURCE_DIR}/deps/getopt.c)
if (APPLE)
# Set fancy names for bundles
add_executable(Boing MACOSX_BUNDLE boing.c)
add_executable(Gears MACOSX_BUNDLE gears.c)
add_executable(Simple MACOSX_BUNDLE simple.c)
add_executable("Split View" MACOSX_BUNDLE splitview.c)
add_executable(Wave MACOSX_BUNDLE wave.c)
set_target_properties(Boing PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Boing")
set_target_properties(Gears PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Gears")
set_target_properties(Simple PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Simple")
set_target_properties("Split View" PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Split View")
set_target_properties(Wave PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Wave")
else()
# Set boring names for executables
add_executable(boing WIN32 boing.c)
add_executable(gears WIN32 gears.c)
add_executable(heightmap WIN32 heightmap.c ${GETOPT})
add_executable(simple WIN32 simple.c)
add_executable(splitview WIN32 splitview.c)
add_executable(wave WIN32 wave.c)
endif()
set(GLAD_GL "${GLFW_SOURCE_DIR}/deps/glad/gl.h")
set(GLAD_GLES2 "${GLFW_SOURCE_DIR}/deps/glad/gles2.h")
set(GETOPT "${GLFW_SOURCE_DIR}/deps/getopt.h"
"${GLFW_SOURCE_DIR}/deps/getopt.c")
set(TINYCTHREAD "${GLFW_SOURCE_DIR}/deps/tinycthread.h"
"${GLFW_SOURCE_DIR}/deps/tinycthread.c")
add_executable(boing WIN32 MACOSX_BUNDLE boing.c ${ICON} ${GLAD_GL})
add_executable(gears WIN32 MACOSX_BUNDLE gears.c ${ICON} ${GLAD_GL})
add_executable(heightmap WIN32 MACOSX_BUNDLE heightmap.c ${ICON} ${GLAD_GL})
add_executable(offscreen offscreen.c ${ICON} ${GLAD_GL})
add_executable(particles WIN32 MACOSX_BUNDLE particles.c ${ICON} ${TINYCTHREAD} ${GETOPT} ${GLAD_GL})
add_executable(sharing WIN32 MACOSX_BUNDLE sharing.c ${ICON} ${GLAD_GL})
add_executable(splitview WIN32 MACOSX_BUNDLE splitview.c ${ICON} ${GLAD_GL})
add_executable(triangle-opengl WIN32 MACOSX_BUNDLE triangle-opengl.c ${ICON} ${GLAD_GL})
add_executable(triangle-opengles WIN32 MACOSX_BUNDLE triangle-opengles.c ${ICON} ${GLAD_GLES2})
add_executable(wave WIN32 MACOSX_BUNDLE wave.c ${ICON} ${GLAD_GL})
add_executable(windows WIN32 MACOSX_BUNDLE windows.c ${ICON} ${GLAD_GL})
target_link_libraries(particles Threads::Threads)
if (RT_LIBRARY)
target_link_libraries(particles "${RT_LIBRARY}")
endif()
set(GUI_ONLY_BINARIES boing gears heightmap particles sharing splitview
triangle-opengl triangle-opengles wave windows)
set(CONSOLE_BINARIES offscreen)
set_target_properties(${GUI_ONLY_BINARIES} ${CONSOLE_BINARIES} PROPERTIES
C_STANDARD 99
FOLDER "GLFW3/Examples")
if (MSVC)
# Tell MSVC to use main instead of WinMain
set_target_properties(${GUI_ONLY_BINARIES} PROPERTIES
set(WINDOWS_BINARIES boing gears heightmap simple splitview wave)
# Tell MSVC to use main instead of WinMain for Windows subsystem executables
set_target_properties(${WINDOWS_BINARIES} PROPERTIES
LINK_FLAGS "/ENTRY:mainCRTStartup")
elseif (CMAKE_C_SIMULATE_ID STREQUAL "MSVC")
# Tell Clang using MS CRT to use main instead of WinMain
set_target_properties(${GUI_ONLY_BINARIES} PROPERTIES
LINK_FLAGS "-Wl,/entry:mainCRTStartup")
endif()
if (APPLE)
set_target_properties(boing PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Boing")
set_target_properties(gears PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Gears")
set_target_properties(heightmap PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Heightmap")
set_target_properties(particles PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Particles")
set_target_properties(sharing PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Sharing")
set_target_properties(triangle-opengl PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "OpenGL Triangle")
set_target_properties(triangle-opengles PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "OpenGL ES Triangle")
set_target_properties(splitview PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "SplitView")
set_target_properties(wave PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Wave")
set_target_properties(windows PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Windows")
set(BUNDLE_BINARIES Boing Gears Simple "Split View" Wave)
set_source_files_properties(glfw.icns PROPERTIES
MACOSX_PACKAGE_LOCATION "Resources")
set_target_properties(${GUI_ONLY_BINARIES} PROPERTIES
set_target_properties(${BUNDLE_BINARIES} PROPERTIES
MACOSX_BUNDLE_SHORT_VERSION_STRING ${GLFW_VERSION}
MACOSX_BUNDLE_LONG_VERSION_STRING ${GLFW_VERSION}
MACOSX_BUNDLE_ICON_FILE glfw.icns
MACOSX_BUNDLE_INFO_PLIST "${GLFW_SOURCE_DIR}/CMake/Info.plist.in")
MACOSX_BUNDLE_LONG_VERSION_STRING ${GLFW_VERSION_FULL})
endif()

146
examples/boing.c
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@ -27,22 +27,13 @@
* a hidden computer or VCR.
*****************************************************************************/
#if defined(_MSC_VER)
// Make MS math.h define M_PI
#define _USE_MATH_DEFINES
#endif
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define GLAD_GL_IMPLEMENTATION
#include <glad/gl.h>
#define GLFW_INCLUDE_NONE
#define GLFW_INCLUDE_GLU
#include <GLFW/glfw3.h>
#include <linmath.h>
/*****************************************************************************
* Various declarations and macros
@ -53,8 +44,6 @@ void init( void );
void display( void );
void reshape( GLFWwindow* window, int w, int h );
void key_callback( GLFWwindow* window, int key, int scancode, int action, int mods );
void mouse_button_callback( GLFWwindow* window, int button, int action, int mods );
void cursor_position_callback( GLFWwindow* window, double x, double y );
void DrawBoingBall( void );
void BounceBall( double dt );
void DrawBoingBallBand( GLfloat long_lo, GLfloat long_hi );
@ -91,13 +80,8 @@ typedef enum { DRAW_BALL, DRAW_BALL_SHADOW } DRAW_BALL_ENUM;
typedef struct {float x; float y; float z;} vertex_t;
/* Global vars */
int windowed_xpos, windowed_ypos, windowed_width, windowed_height;
int width, height;
GLfloat deg_rot_y = 0.f;
GLfloat deg_rot_y_inc = 2.f;
int override_pos = GLFW_FALSE;
GLfloat cursor_x = 0.f;
GLfloat cursor_y = 0.f;
GLfloat ball_x = -RADIUS;
GLfloat ball_y = -RADIUS;
GLfloat ball_x_inc = 1.f;
@ -112,6 +96,11 @@ double dt;
#define RAND_MAX 4095
#endif
/* PI */
#ifndef M_PI
#define M_PI 3.1415926535897932384626433832795
#endif
/*****************************************************************************
* Truncate a degree.
@ -167,11 +156,33 @@ void CrossProduct( vertex_t a, vertex_t b, vertex_t c, vertex_t *n )
v2 = c.y - a.y;
v3 = c.z - a.z;
n->x = u2 * v3 - v2 * u3;
n->x = u2 * v3 - v2 * v3;
n->y = u3 * v1 - v3 * u1;
n->z = u1 * v2 - v1 * u2;
}
/*****************************************************************************
* Calculate the angle to be passed to gluPerspective() so that a scene
* is visible. This function originates from the OpenGL Red Book.
*
* Parms : size
* The size of the segment when the angle is intersected at "dist"
* (ie at the outermost edge of the angle of vision).
*
* dist
* Distance from viewpoint to scene.
*****************************************************************************/
GLfloat PerspectiveAngle( GLfloat size,
GLfloat dist )
{
GLfloat radTheta, degTheta;
radTheta = 2.f * (GLfloat) atan2( size / 2.f, dist );
degTheta = (180.f * radTheta) / (GLfloat) M_PI;
return degTheta;
}
#define BOING_DEBUG 0
@ -216,86 +227,28 @@ void display(void)
*****************************************************************************/
void reshape( GLFWwindow* window, int w, int h )
{
mat4x4 projection, view;
glViewport( 0, 0, (GLsizei)w, (GLsizei)h );
glMatrixMode( GL_PROJECTION );
mat4x4_perspective( projection,
2.f * (float) atan2( RADIUS, 200.f ),
(float)w / (float)h,
1.f, VIEW_SCENE_DIST );
glLoadMatrixf((const GLfloat*) projection);
glLoadIdentity();
gluPerspective( PerspectiveAngle( RADIUS * 2, 200 ),
(GLfloat)w / (GLfloat)h,
1.0,
VIEW_SCENE_DIST );
glMatrixMode( GL_MODELVIEW );
{
vec3 eye = { 0.f, 0.f, VIEW_SCENE_DIST };
vec3 center = { 0.f, 0.f, 0.f };
vec3 up = { 0.f, -1.f, 0.f };
mat4x4_look_at( view, eye, center, up );
}
glLoadMatrixf((const GLfloat*) view);
glLoadIdentity();
gluLookAt( 0.0, 0.0, VIEW_SCENE_DIST,/* eye */
0.0, 0.0, 0.0, /* center of vision */
0.0, -1.0, 0.0 ); /* up vector */
}
void key_callback( GLFWwindow* window, int key, int scancode, int action, int mods )
{
if (action != GLFW_PRESS)
return;
if (key == GLFW_KEY_ESCAPE && mods == 0)
glfwSetWindowShouldClose(window, GLFW_TRUE);
if ((key == GLFW_KEY_ENTER && mods == GLFW_MOD_ALT) ||
(key == GLFW_KEY_F11 && mods == GLFW_MOD_ALT))
{
if (glfwGetWindowMonitor(window))
{
glfwSetWindowMonitor(window, NULL,
windowed_xpos, windowed_ypos,
windowed_width, windowed_height, 0);
}
else
{
GLFWmonitor* monitor = glfwGetPrimaryMonitor();
if (monitor)
{
const GLFWvidmode* mode = glfwGetVideoMode(monitor);
glfwGetWindowPos(window, &windowed_xpos, &windowed_ypos);
glfwGetWindowSize(window, &windowed_width, &windowed_height);
glfwSetWindowMonitor(window, monitor, 0, 0, mode->width, mode->height, mode->refreshRate);
}
}
}
}
static void set_ball_pos ( GLfloat x, GLfloat y )
{
ball_x = (width / 2) - x;
ball_y = y - (height / 2);
}
void mouse_button_callback( GLFWwindow* window, int button, int action, int mods )
{
if (button != GLFW_MOUSE_BUTTON_LEFT)
return;
if (action == GLFW_PRESS)
{
override_pos = GLFW_TRUE;
set_ball_pos(cursor_x, cursor_y);
}
else
{
override_pos = GLFW_FALSE;
}
}
void cursor_position_callback( GLFWwindow* window, double x, double y )
{
cursor_x = (float) x;
cursor_y = (float) y;
if ( override_pos )
set_ball_pos(cursor_x, cursor_y);
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GL_TRUE);
}
/*****************************************************************************
@ -304,7 +257,7 @@ void cursor_position_callback( GLFWwindow* window, double x, double y )
* The Boing ball is sphere in which each facet is a rectangle.
* Facet colors alternate between red and white.
* The ball is built by stacking latitudinal circles. Each circle is composed
* of a widely-separated set of points, so that each facet is noticeably large.
* of a widely-separated set of points, so that each facet is noticably large.
*****************************************************************************/
void DrawBoingBall( void )
{
@ -388,9 +341,6 @@ void BounceBall( double delta_t )
GLfloat sign;
GLfloat deg;
if ( override_pos )
return;
/* Bounce on walls */
if ( ball_x > (BOUNCE_WIDTH/2 + WALL_R_OFFSET ) )
{
@ -448,7 +398,7 @@ void DrawBoingBallBand( GLfloat long_lo,
static int colorToggle = 0;
/*
* Iterate through the points of a latitude circle.
* Iterate thru the points of a latitude circle.
* A latitude circle is a 2D set of X,Z points.
*/
for ( lat_deg = 0;
@ -624,11 +574,14 @@ void DrawGrid( void )
int main( void )
{
GLFWwindow* window;
int width, height;
/* Init GLFW */
if( !glfwInit() )
exit( EXIT_FAILURE );
glfwWindowHint(GLFW_DEPTH_BITS, 16);
window = glfwCreateWindow( 400, 400, "Boing (classic Amiga demo)", NULL, NULL );
if (!window)
{
@ -636,15 +589,10 @@ int main( void )
exit( EXIT_FAILURE );
}
glfwSetWindowAspectRatio(window, 1, 1);
glfwSetFramebufferSizeCallback(window, reshape);
glfwSetKeyCallback(window, key_callback);
glfwSetMouseButtonCallback(window, mouse_button_callback);
glfwSetCursorPosCallback(window, cursor_position_callback);
glfwMakeContextCurrent(window);
gladLoadGL(glfwGetProcAddress);
glfwSwapInterval( 1 );
glfwGetFramebufferSize(window, &width, &height);

41
examples/gears.c
View File

@ -15,27 +15,27 @@
* - Slightly modified camera that should work better for stereo viewing
*
*
* Camilla Löwy:
* Camilla Berglund:
* - Removed FPS counter (this is not a benchmark)
* - Added a few comments
* - Enabled vsync
*/
#if defined(_MSC_VER)
// Make MS math.h define M_PI
#define _USE_MATH_DEFINES
#endif
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define GLAD_GL_IMPLEMENTATION
#include <glad/gl.h>
#define GLFW_INCLUDE_NONE
#include <GLFW/glfw3.h>
#ifndef M_PI
#define M_PI 3.141592654
#endif
/* If non-zero, the program exits after that many seconds
*/
static int autoexit = 0;
/**
Draw a gear wheel. You'll probably want to call this function when
@ -174,7 +174,6 @@ static GLfloat angle = 0.f;
/* OpenGL draw function & timing */
static void draw(void)
{
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
@ -224,7 +223,7 @@ void key( GLFWwindow* window, int k, int s, int action, int mods )
view_rotz += 5.0;
break;
case GLFW_KEY_ESCAPE:
glfwSetWindowShouldClose(window, GLFW_TRUE);
glfwSetWindowShouldClose(window, GL_TRUE);
break;
case GLFW_KEY_UP:
view_rotx += 5.0;
@ -265,12 +264,13 @@ void reshape( GLFWwindow* window, int width, int height )
/* program & OpenGL initialization */
static void init(void)
static void init(int argc, char *argv[])
{
static GLfloat pos[4] = {5.f, 5.f, 10.f, 0.f};
static GLfloat red[4] = {0.8f, 0.1f, 0.f, 1.f};
static GLfloat green[4] = {0.f, 0.8f, 0.2f, 1.f};
static GLfloat blue[4] = {0.2f, 0.2f, 1.f, 1.f};
GLint i;
glLightfv(GL_LIGHT0, GL_POSITION, pos);
glEnable(GL_CULL_FACE);
@ -298,6 +298,19 @@ static void init(void)
glEndList();
glEnable(GL_NORMALIZE);
for ( i=1; i<argc; i++ ) {
if (strcmp(argv[i], "-info")==0) {
printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
}
else if ( strcmp(argv[i], "-exit")==0) {
autoexit = 30;
printf("Auto Exit after %i seconds.\n", autoexit );
}
}
}
@ -314,7 +327,6 @@ int main(int argc, char *argv[])
}
glfwWindowHint(GLFW_DEPTH_BITS, 16);
glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_TRUE);
window = glfwCreateWindow( 300, 300, "Gears", NULL, NULL );
if (!window)
@ -329,14 +341,13 @@ int main(int argc, char *argv[])
glfwSetKeyCallback(window, key);
glfwMakeContextCurrent(window);
gladLoadGL(glfwGetProcAddress);
glfwSwapInterval( 1 );
glfwGetFramebufferSize(window, &width, &height);
reshape(window, width, height);
// Parse command-line options
init();
init(argc, argv);
// Main loop
while( !glfwWindowShouldClose(window) )

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3
examples/glfw.rc
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@ -1,3 +0,0 @@
GLFW_ICON ICON "glfw.ico"

311
examples/heightmap.c
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@ -28,11 +28,37 @@
#include <math.h>
#include <assert.h>
#include <stddef.h>
#include "getopt.h"
#define GLAD_GL_IMPLEMENTATION
#include <glad/gl.h>
#define GLFW_INCLUDE_NONE
#include <GLFW/glfw3.h>
#include <GL/glext.h>
/* OpenGL function pointers */
static PFNGLGENBUFFERSPROC pglGenBuffers = NULL;
static PFNGLGENVERTEXARRAYSPROC pglGenVertexArrays = NULL;
static PFNGLDELETEVERTEXARRAYSPROC pglDeleteVertexArrays = NULL;
static PFNGLCREATESHADERPROC pglCreateShader = NULL;
static PFNGLSHADERSOURCEPROC pglShaderSource = NULL;
static PFNGLCOMPILESHADERPROC pglCompileShader = NULL;
static PFNGLGETSHADERIVPROC pglGetShaderiv = NULL;
static PFNGLGETSHADERINFOLOGPROC pglGetShaderInfoLog = NULL;
static PFNGLDELETESHADERPROC pglDeleteShader = NULL;
static PFNGLCREATEPROGRAMPROC pglCreateProgram = NULL;
static PFNGLATTACHSHADERPROC pglAttachShader = NULL;
static PFNGLLINKPROGRAMPROC pglLinkProgram = NULL;
static PFNGLUSEPROGRAMPROC pglUseProgram = NULL;
static PFNGLGETPROGRAMIVPROC pglGetProgramiv = NULL;
static PFNGLGETPROGRAMINFOLOGPROC pglGetProgramInfoLog = NULL;
static PFNGLDELETEPROGRAMPROC pglDeleteProgram = NULL;
static PFNGLGETUNIFORMLOCATIONPROC pglGetUniformLocation = NULL;
static PFNGLUNIFORMMATRIX4FVPROC pglUniformMatrix4fv = NULL;
static PFNGLGETATTRIBLOCATIONPROC pglGetAttribLocation = NULL;
static PFNGLBINDVERTEXARRAYPROC pglBindVertexArray = NULL;
static PFNGLBUFFERDATAPROC pglBufferData = NULL;
static PFNGLBINDBUFFERPROC pglBindBuffer = NULL;
static PFNGLBUFFERSUBDATAPROC pglBufferSubData = NULL;
static PFNGLENABLEVERTEXATTRIBARRAYPROC pglEnableVertexAttribArray = NULL;
static PFNGLVERTEXATTRIBPOINTERPROC pglVertexAttribPointer = NULL;
/* Map height updates */
#define MAX_CIRCLE_SIZE (5.0f)
@ -49,11 +75,54 @@
2 * (MAP_NUM_VERTICES - 1))
/* OpenGL function pointers */
#define RESOLVE_GL_FCN(type, var, name) \
if (status == GL_TRUE) \
{\
var = (type) glfwGetProcAddress((name));\
if ((var) == NULL)\
{\
status = GL_FALSE;\
}\
}
static GLboolean init_opengl(void)
{
GLboolean status = GL_TRUE;
RESOLVE_GL_FCN(PFNGLCREATESHADERPROC, pglCreateShader, "glCreateShader");
RESOLVE_GL_FCN(PFNGLSHADERSOURCEPROC, pglShaderSource, "glShaderSource");
RESOLVE_GL_FCN(PFNGLCOMPILESHADERPROC, pglCompileShader, "glCompileShader");
RESOLVE_GL_FCN(PFNGLGETSHADERIVPROC, pglGetShaderiv, "glGetShaderiv");
RESOLVE_GL_FCN(PFNGLGETSHADERINFOLOGPROC, pglGetShaderInfoLog, "glGetShaderInfoLog");
RESOLVE_GL_FCN(PFNGLDELETESHADERPROC, pglDeleteShader, "glDeleteShader");
RESOLVE_GL_FCN(PFNGLCREATEPROGRAMPROC, pglCreateProgram, "glCreateProgram");
RESOLVE_GL_FCN(PFNGLATTACHSHADERPROC, pglAttachShader, "glAttachShader");
RESOLVE_GL_FCN(PFNGLLINKPROGRAMPROC, pglLinkProgram, "glLinkProgram");
RESOLVE_GL_FCN(PFNGLUSEPROGRAMPROC, pglUseProgram, "glUseProgram");
RESOLVE_GL_FCN(PFNGLGETPROGRAMIVPROC, pglGetProgramiv, "glGetProgramiv");
RESOLVE_GL_FCN(PFNGLGETPROGRAMINFOLOGPROC, pglGetProgramInfoLog, "glGetProgramInfoLog");
RESOLVE_GL_FCN(PFNGLDELETEPROGRAMPROC, pglDeleteProgram, "glDeleteProgram");
RESOLVE_GL_FCN(PFNGLGETUNIFORMLOCATIONPROC, pglGetUniformLocation, "glGetUniformLocation");
RESOLVE_GL_FCN(PFNGLUNIFORMMATRIX4FVPROC, pglUniformMatrix4fv, "glUniformMatrix4fv");
RESOLVE_GL_FCN(PFNGLGETATTRIBLOCATIONPROC, pglGetAttribLocation, "glGetAttribLocation");
RESOLVE_GL_FCN(PFNGLGENVERTEXARRAYSPROC, pglGenVertexArrays, "glGenVertexArrays");
RESOLVE_GL_FCN(PFNGLDELETEVERTEXARRAYSPROC, pglDeleteVertexArrays, "glDeleteVertexArrays");
RESOLVE_GL_FCN(PFNGLBINDVERTEXARRAYPROC, pglBindVertexArray, "glBindVertexArray");
RESOLVE_GL_FCN(PFNGLGENBUFFERSPROC, pglGenBuffers, "glGenBuffers");
RESOLVE_GL_FCN(PFNGLBINDBUFFERPROC, pglBindBuffer, "glBindBuffer");
RESOLVE_GL_FCN(PFNGLBUFFERDATAPROC, pglBufferData, "glBufferData");
RESOLVE_GL_FCN(PFNGLBUFFERSUBDATAPROC, pglBufferSubData, "glBufferSubData");
RESOLVE_GL_FCN(PFNGLENABLEVERTEXATTRIBARRAYPROC, pglEnableVertexAttribArray, "glEnableVertexAttribArray");
RESOLVE_GL_FCN(PFNGLVERTEXATTRIBPOINTERPROC, pglVertexAttribPointer, "glVertexAttribPointer");
return status;
}
/**********************************************************************
* Default shader programs
*********************************************************************/
static const char* vertex_shader_text =
static const char* default_vertex_shader =
"#version 150\n"
"uniform mat4 project;\n"
"uniform mat4 modelview;\n"
@ -66,12 +135,12 @@ static const char* vertex_shader_text =
" gl_Position = project * modelview * vec4(x, y, z, 1.0);\n"
"}\n";
static const char* fragment_shader_text =
static const char* default_fragment_shader =
"#version 150\n"
"out vec4 color;\n"
"out vec4 gl_FragColor;\n"
"void main()\n"
"{\n"
" color = vec4(0.2, 1.0, 0.2, 1.0); \n"
" gl_FragColor = vec4(0.2, 1.0, 0.2, 1.0); \n"
"}\n";
/**********************************************************************
@ -119,27 +188,53 @@ static GLuint mesh_vbo[4];
* OpenGL helper functions
*********************************************************************/
/* Load a (text) file into memory and return its contents
*/
static char* read_file_content(const char* filename)
{
FILE* fd;
size_t size = 0;
char* result = NULL;
fd = fopen(filename, "r");
if (fd != NULL)
{
size = fseek(fd, 0, SEEK_END);
(void) fseek(fd, 0, SEEK_SET);
result = malloc(size + 1);
result[size] = '\0';
if (fread(result, size, 1, fd) != 1)
{
free(result);
result = NULL;
}
(void) fclose(fd);
}
return result;
}
/* Creates a shader object of the specified type using the specified text
*/
static GLuint make_shader(GLenum type, const char* text)
static GLuint make_shader(GLenum type, const char* shader_src)
{
GLuint shader;
GLint shader_ok;
GLsizei log_length;
char info_log[8192];
shader = glCreateShader(type);
shader = pglCreateShader(type);
if (shader != 0)
{
glShaderSource(shader, 1, (const GLchar**)&text, NULL);
glCompileShader(shader);
glGetShaderiv(shader, GL_COMPILE_STATUS, &shader_ok);
pglShaderSource(shader, 1, (const GLchar**)&shader_src, NULL);
pglCompileShader(shader);
pglGetShaderiv(shader, GL_COMPILE_STATUS, &shader_ok);
if (shader_ok != GL_TRUE)
{
fprintf(stderr, "ERROR: Failed to compile %s shader\n", (type == GL_FRAGMENT_SHADER) ? "fragment" : "vertex" );
glGetShaderInfoLog(shader, 8192, &log_length,info_log);
pglGetShaderInfoLog(shader, 8192, &log_length,info_log);
fprintf(stderr, "ERROR: \n%s\n\n", info_log);
glDeleteShader(shader);
pglDeleteShader(shader);
shader = 0;
}
}
@ -148,7 +243,7 @@ static GLuint make_shader(GLenum type, const char* text)
/* Creates a program object using the specified vertex and fragment text
*/
static GLuint make_shader_program(const char* vs_text, const char* fs_text)
static GLuint make_shader_program(const char* vertex_shader_src, const char* fragment_shader_src)
{
GLuint program = 0u;
GLint program_ok;
@ -157,30 +252,30 @@ static GLuint make_shader_program(const char* vs_text, const char* fs_text)
GLsizei log_length;
char info_log[8192];
vertex_shader = make_shader(GL_VERTEX_SHADER, vs_text);
vertex_shader = make_shader(GL_VERTEX_SHADER, (vertex_shader_src == NULL) ? default_vertex_shader : vertex_shader_src);
if (vertex_shader != 0u)
{
fragment_shader = make_shader(GL_FRAGMENT_SHADER, fs_text);
fragment_shader = make_shader(GL_FRAGMENT_SHADER, (fragment_shader_src == NULL) ? default_fragment_shader : fragment_shader_src);
if (fragment_shader != 0u)
{
/* make the program that connect the two shader and link it */
program = glCreateProgram();
program = pglCreateProgram();
if (program != 0u)
{
/* attach both shader and link */
glAttachShader(program, vertex_shader);
glAttachShader(program, fragment_shader);
glLinkProgram(program);
glGetProgramiv(program, GL_LINK_STATUS, &program_ok);
pglAttachShader(program, vertex_shader);
pglAttachShader(program, fragment_shader);
pglLinkProgram(program);
pglGetProgramiv(program, GL_LINK_STATUS, &program_ok);
if (program_ok != GL_TRUE)
{
fprintf(stderr, "ERROR, failed to link shader program\n");
glGetProgramInfoLog(program, 8192, &log_length, info_log);
pglGetProgramInfoLog(program, 8192, &log_length, info_log);
fprintf(stderr, "ERROR: \n%s\n\n", info_log);
glDeleteProgram(program);
glDeleteShader(fragment_shader);
glDeleteShader(vertex_shader);
pglDeleteProgram(program);
pglDeleteShader(fragment_shader);
pglDeleteShader(vertex_shader);
program = 0u;
}
}
@ -188,7 +283,7 @@ static GLuint make_shader_program(const char* vs_text, const char* fs_text)
else
{
fprintf(stderr, "ERROR: Unable to load fragment shader\n");
glDeleteShader(vertex_shader);
pglDeleteShader(vertex_shader);
}
}
else
@ -293,12 +388,12 @@ static void generate_heightmap__circle(float* center_x, float* center_y,
{
float sign;
/* random value for element in between [0-1.0] */
*center_x = (MAP_SIZE * rand()) / (float) RAND_MAX;
*center_y = (MAP_SIZE * rand()) / (float) RAND_MAX;
*size = (MAX_CIRCLE_SIZE * rand()) / (float) RAND_MAX;
sign = (1.0f * rand()) / (float) RAND_MAX;
*center_x = (MAP_SIZE * rand()) / (1.0f * RAND_MAX);
*center_y = (MAP_SIZE * rand()) / (1.0f * RAND_MAX);
*size = (MAX_CIRCLE_SIZE * rand()) / (1.0f * RAND_MAX);
sign = (1.0f * rand()) / (1.0f * RAND_MAX);
sign = (sign < DISPLACEMENT_SIGN_LIMIT) ? -1.0f : 1.0f;
*displacement = (sign * (MAX_DISPLACEMENT * rand())) / (float) RAND_MAX;
*displacement = (sign * (MAX_DISPLACEMENT * rand())) / (1.0f * RAND_MAX);
}
/* Run the specified number of iterations of the generation process for the
@ -321,7 +416,7 @@ static void update_map(int num_iter)
{
GLfloat dx = center_x - map_vertices[0][ii];
GLfloat dz = center_z - map_vertices[2][ii];
GLfloat pd = (2.0f * (float) sqrt((dx * dx) + (dz * dz))) / circle_size;
GLfloat pd = (2.0f * sqrtf((dx * dx) + (dz * dz))) / circle_size;
if (fabs(pd) <= 1.0f)
{
/* tx,tz is within the circle */
@ -344,38 +439,38 @@ static void make_mesh(GLuint program)
{
GLuint attrloc;
glGenVertexArrays(1, &mesh);
glGenBuffers(4, mesh_vbo);
glBindVertexArray(mesh);
pglGenVertexArrays(1, &mesh);
pglGenBuffers(4, mesh_vbo);
pglBindVertexArray(mesh);
/* Prepare the data for drawing through a buffer inidices */
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh_vbo[3]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(GLuint)* MAP_NUM_LINES * 2, map_line_indices, GL_STATIC_DRAW);
pglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh_vbo[3]);
pglBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(GLuint)* MAP_NUM_LINES * 2, map_line_indices, GL_STATIC_DRAW);
/* Prepare the attributes for rendering */
attrloc = glGetAttribLocation(program, "x");
glBindBuffer(GL_ARRAY_BUFFER, mesh_vbo[0]);
glBufferData(GL_ARRAY_BUFFER, sizeof(GLfloat) * MAP_NUM_TOTAL_VERTICES, &map_vertices[0][0], GL_STATIC_DRAW);
glEnableVertexAttribArray(attrloc);
glVertexAttribPointer(attrloc, 1, GL_FLOAT, GL_FALSE, 0, 0);
attrloc = pglGetAttribLocation(program, "x");
pglBindBuffer(GL_ARRAY_BUFFER, mesh_vbo[0]);
pglBufferData(GL_ARRAY_BUFFER, sizeof(GLfloat) * MAP_NUM_TOTAL_VERTICES, &map_vertices[0][0], GL_STATIC_DRAW);
pglEnableVertexAttribArray(attrloc);
pglVertexAttribPointer(attrloc, 1, GL_FLOAT, GL_FALSE, 0, 0);
attrloc = glGetAttribLocation(program, "z");
glBindBuffer(GL_ARRAY_BUFFER, mesh_vbo[2]);
glBufferData(GL_ARRAY_BUFFER, sizeof(GLfloat) * MAP_NUM_TOTAL_VERTICES, &map_vertices[2][0], GL_STATIC_DRAW);
glEnableVertexAttribArray(attrloc);
glVertexAttribPointer(attrloc, 1, GL_FLOAT, GL_FALSE, 0, 0);
attrloc = pglGetAttribLocation(program, "z");
pglBindBuffer(GL_ARRAY_BUFFER, mesh_vbo[2]);
pglBufferData(GL_ARRAY_BUFFER, sizeof(GLfloat) * MAP_NUM_TOTAL_VERTICES, &map_vertices[2][0], GL_STATIC_DRAW);
pglEnableVertexAttribArray(attrloc);
pglVertexAttribPointer(attrloc, 1, GL_FLOAT, GL_FALSE, 0, 0);
attrloc = glGetAttribLocation(program, "y");
glBindBuffer(GL_ARRAY_BUFFER, mesh_vbo[1]);
glBufferData(GL_ARRAY_BUFFER, sizeof(GLfloat) * MAP_NUM_TOTAL_VERTICES, &map_vertices[1][0], GL_DYNAMIC_DRAW);
glEnableVertexAttribArray(attrloc);
glVertexAttribPointer(attrloc, 1, GL_FLOAT, GL_FALSE, 0, 0);
attrloc = pglGetAttribLocation(program, "y");
pglBindBuffer(GL_ARRAY_BUFFER, mesh_vbo[1]);
pglBufferData(GL_ARRAY_BUFFER, sizeof(GLfloat) * MAP_NUM_TOTAL_VERTICES, &map_vertices[1][0], GL_DYNAMIC_DRAW);
pglEnableVertexAttribArray(attrloc);
pglVertexAttribPointer(attrloc, 1, GL_FLOAT, GL_FALSE, 0, 0);
}
/* Update VBO vertices from source data
*/
static void update_mesh(void)
{
glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(GLfloat) * MAP_NUM_TOTAL_VERTICES, &map_vertices[1][0]);
pglBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(GLfloat) * MAP_NUM_TOTAL_VERTICES, &map_vertices[1][0]);
}
/**********************************************************************
@ -388,44 +483,103 @@ static void key_callback(GLFWwindow* window, int key, int scancode, int action,
{
case GLFW_KEY_ESCAPE:
/* Exit program on Escape */
glfwSetWindowShouldClose(window, GLFW_TRUE);
glfwSetWindowShouldClose(window, GL_TRUE);
break;
}
}
static void error_callback(int error, const char* description)
/* Print usage information */
static void usage(void)
{
fprintf(stderr, "Error: %s\n", description);
printf("Usage: heightmap [-v <vertex_shader_path>] [-f <fragment_shader_path>]\n");
printf(" heightmap [-h]\n");
}
int main(int argc, char** argv)
{
GLFWwindow* window;
int iter;
int ch, iter;
double dt;
double last_update_time;
int frame;
float f;
GLint uloc_modelview;
GLint uloc_project;
int width, height;
char* vertex_shader_path = NULL;
char* fragment_shader_path = NULL;
char* vertex_shader_src = NULL;
char* fragment_shader_src = NULL;
GLuint shader_program;
glfwSetErrorCallback(error_callback);
while ((ch = getopt(argc, argv, "f:v:h")) != -1)
{
switch (ch)
{
case 'f':
fragment_shader_path = optarg;
break;
case 'v':
vertex_shader_path = optarg;
break;
case 'h':
usage();
exit(EXIT_SUCCESS);
default:
usage();
exit(EXIT_FAILURE);
}
}
if (fragment_shader_path)
{
vertex_shader_src = read_file_content(fragment_shader_path);
if (!fragment_shader_src)
{
fprintf(stderr,
"ERROR: unable to load fragment shader from '%s'\n",
fragment_shader_path);
exit(EXIT_FAILURE);
}
}
if (vertex_shader_path)
{
vertex_shader_src = read_file_content(vertex_shader_path);
if (!vertex_shader_src)
{
fprintf(stderr,
"ERROR: unable to load vertex shader from '%s'\n",
fragment_shader_path);
exit(EXIT_FAILURE);
}
}
if (!glfwInit())
exit(EXIT_FAILURE);
{
fprintf(stderr, "ERROR: Unable to initialize GLFW\n");
usage();
glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
free(vertex_shader_src);
free(fragment_shader_src);
exit(EXIT_FAILURE);
}
glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_FALSE);
window = glfwCreateWindow(800, 600, "GLFW OpenGL3 Heightmap demo", NULL, NULL);
if (! window )
{
fprintf(stderr, "ERROR: Unable to create the OpenGL context and associated window\n");
usage();
free(vertex_shader_src);
free(fragment_shader_src);
glfwTerminate();
exit(EXIT_FAILURE);
}
@ -434,20 +588,32 @@ int main(int argc, char** argv)
glfwSetKeyCallback(window, key_callback);
glfwMakeContextCurrent(window);
gladLoadGL(glfwGetProcAddress);
if (GL_TRUE != init_opengl())
{
fprintf(stderr, "ERROR: unable to resolve OpenGL function pointers\n");
free(vertex_shader_src);
free(fragment_shader_src);
glfwTerminate();
exit(EXIT_FAILURE);
}
/* Prepare opengl resources for rendering */
shader_program = make_shader_program(vertex_shader_text, fragment_shader_text);
shader_program = make_shader_program(vertex_shader_src , fragment_shader_src);
free(vertex_shader_src);
free(fragment_shader_src);
if (shader_program == 0u)
{
fprintf(stderr, "ERROR: during creation of the shader program\n");
usage();
glfwTerminate();
exit(EXIT_FAILURE);
}
glUseProgram(shader_program);
uloc_project = glGetUniformLocation(shader_program, "project");
uloc_modelview = glGetUniformLocation(shader_program, "modelview");
pglUseProgram(shader_program);
uloc_project = pglGetUniformLocation(shader_program, "project");
uloc_modelview = pglGetUniformLocation(shader_program, "modelview");
/* Compute the projection matrix */
f = 1.0f / tanf(view_angle / 2.0f);
@ -456,13 +622,13 @@ int main(int argc, char** argv)
projection_matrix[10] = (z_far + z_near)/ (z_near - z_far);
projection_matrix[11] = -1.0f;
projection_matrix[14] = 2.0f * (z_far * z_near) / (z_near - z_far);
glUniformMatrix4fv(uloc_project, 1, GL_FALSE, projection_matrix);
pglUniformMatrix4fv(uloc_project, 1, GL_FALSE, projection_matrix);
/* Set the camera position */
modelview_matrix[12] = -5.0f;
modelview_matrix[13] = -5.0f;
modelview_matrix[14] = -20.0f;
glUniformMatrix4fv(uloc_modelview, 1, GL_FALSE, modelview_matrix);
pglUniformMatrix4fv(uloc_modelview, 1, GL_FALSE, modelview_matrix);
/* Create mesh data */
init_map();
@ -472,14 +638,13 @@ int main(int argc, char** argv)
/* Create the vbo to store all the information for the grid and the height */
/* setup the scene ready for rendering */
glfwGetFramebufferSize(window, &width, &height);
glViewport(0, 0, width, height);
glViewport(0, 0, 800, 600);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
/* main loop */
frame = 0;
iter = 0;
last_update_time = glfwGetTime();
dt = last_update_time = glfwGetTime();
while (!glfwWindowShouldClose(window))
{

165
examples/offscreen.c
View File

@ -1,165 +0,0 @@
//========================================================================
// Offscreen rendering example
// Copyright (c) Camilla Löwy <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#define GLAD_GL_IMPLEMENTATION
#include <glad/gl.h>
#define GLFW_INCLUDE_NONE
#include <GLFW/glfw3.h>
#include "linmath.h"
#include <stdlib.h>
#include <stdio.h>
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include <stb_image_write.h>
static const struct
{
float x, y;
float r, g, b;
} vertices[3] =
{
{ -0.6f, -0.4f, 1.f, 0.f, 0.f },
{ 0.6f, -0.4f, 0.f, 1.f, 0.f },
{ 0.f, 0.6f, 0.f, 0.f, 1.f }
};
static const char* vertex_shader_text =
"#version 110\n"
"uniform mat4 MVP;\n"
"attribute vec3 vCol;\n"
"attribute vec2 vPos;\n"
"varying vec3 color;\n"
"void main()\n"
"{\n"
" gl_Position = MVP * vec4(vPos, 0.0, 1.0);\n"
" color = vCol;\n"
"}\n";
static const char* fragment_shader_text =
"#version 110\n"
"varying vec3 color;\n"
"void main()\n"
"{\n"
" gl_FragColor = vec4(color, 1.0);\n"
"}\n";
static void error_callback(int error, const char* description)
{
fprintf(stderr, "Error: %s\n", description);
}
int main(void)
{
GLFWwindow* window;
GLuint vertex_buffer, vertex_shader, fragment_shader, program;
GLint mvp_location, vpos_location, vcol_location;
float ratio;
int width, height;
mat4x4 mvp;
char* buffer;
glfwSetErrorCallback(error_callback);
glfwInitHint(GLFW_COCOA_MENUBAR, GLFW_FALSE);
if (!glfwInit())
exit(EXIT_FAILURE);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
window = glfwCreateWindow(640, 480, "Simple example", NULL, NULL);
if (!window)
{
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
gladLoadGL(glfwGetProcAddress);
// NOTE: OpenGL error checks have been omitted for brevity
glGenBuffers(1, &vertex_buffer);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
vertex_shader = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vertex_shader, 1, &vertex_shader_text, NULL);
glCompileShader(vertex_shader);
fragment_shader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fragment_shader, 1, &fragment_shader_text, NULL);
glCompileShader(fragment_shader);
program = glCreateProgram();
glAttachShader(program, vertex_shader);
glAttachShader(program, fragment_shader);
glLinkProgram(program);
mvp_location = glGetUniformLocation(program, "MVP");
vpos_location = glGetAttribLocation(program, "vPos");
vcol_location = glGetAttribLocation(program, "vCol");
glEnableVertexAttribArray(vpos_location);
glVertexAttribPointer(vpos_location, 2, GL_FLOAT, GL_FALSE,
sizeof(vertices[0]), (void*) 0);
glEnableVertexAttribArray(vcol_location);
glVertexAttribPointer(vcol_location, 3, GL_FLOAT, GL_FALSE,
sizeof(vertices[0]), (void*) (sizeof(float) * 2));
glfwGetFramebufferSize(window, &width, &height);
ratio = width / (float) height;
glViewport(0, 0, width, height);
glClear(GL_COLOR_BUFFER_BIT);
mat4x4_ortho(mvp, -ratio, ratio, -1.f, 1.f, 1.f, -1.f);
glUseProgram(program);
glUniformMatrix4fv(mvp_location, 1, GL_FALSE, (const GLfloat*) mvp);
glDrawArrays(GL_TRIANGLES, 0, 3);
glFinish();
buffer = calloc(4, width * height);
glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
// Write image Y-flipped because OpenGL
stbi_write_png("offscreen.png",
width, height, 4,
buffer + (width * 4 * (height - 1)),
-width * 4);
free(buffer);
glfwDestroyWindow(window);
glfwTerminate();
exit(EXIT_SUCCESS);
}

1074
examples/particles.c
View File

File diff suppressed because it is too large Load Diff

234
examples/sharing.c
View File

@ -1,234 +0,0 @@
//========================================================================
// Context sharing example
// Copyright (c) Camilla Löwy <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#define GLAD_GL_IMPLEMENTATION
#include <glad/gl.h>
#define GLFW_INCLUDE_NONE
#include <GLFW/glfw3.h>
#include <stdio.h>
#include <stdlib.h>
#include "linmath.h"
static const char* vertex_shader_text =
"#version 110\n"
"uniform mat4 MVP;\n"
"attribute vec2 vPos;\n"
"varying vec2 texcoord;\n"
"void main()\n"
"{\n"
" gl_Position = MVP * vec4(vPos, 0.0, 1.0);\n"
" texcoord = vPos;\n"
"}\n";
static const char* fragment_shader_text =
"#version 110\n"
"uniform sampler2D texture;\n"
"uniform vec3 color;\n"
"varying vec2 texcoord;\n"
"void main()\n"
"{\n"
" gl_FragColor = vec4(color * texture2D(texture, texcoord).rgb, 1.0);\n"
"}\n";
static const vec2 vertices[4] =
{
{ 0.f, 0.f },
{ 1.f, 0.f },
{ 1.f, 1.f },
{ 0.f, 1.f }
};
static void error_callback(int error, const char* description)
{
fprintf(stderr, "Error: %s\n", description);
}
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
if (action == GLFW_PRESS && key == GLFW_KEY_ESCAPE)
glfwSetWindowShouldClose(window, GLFW_TRUE);
}
int main(int argc, char** argv)
{
GLFWwindow* windows[2];
GLuint texture, program, vertex_buffer;
GLint mvp_location, vpos_location, color_location, texture_location;
glfwSetErrorCallback(error_callback);
if (!glfwInit())
exit(EXIT_FAILURE);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
windows[0] = glfwCreateWindow(400, 400, "First", NULL, NULL);
if (!windows[0])
{
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwSetKeyCallback(windows[0], key_callback);
glfwMakeContextCurrent(windows[0]);
// Only enable vsync for the first of the windows to be swapped to
// avoid waiting out the interval for each window
glfwSwapInterval(1);
// The contexts are created with the same APIs so the function
// pointers should be re-usable between them
gladLoadGL(glfwGetProcAddress);
// Create the OpenGL objects inside the first context, created above
// All objects will be shared with the second context, created below
{
int x, y;
char pixels[16 * 16];
GLuint vertex_shader, fragment_shader;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
srand((unsigned int) glfwGetTimerValue());
for (y = 0; y < 16; y++)
{
for (x = 0; x < 16; x++)
pixels[y * 16 + x] = rand() % 256;
}
glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, 16, 16, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, pixels);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
vertex_shader = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vertex_shader, 1, &vertex_shader_text, NULL);
glCompileShader(vertex_shader);
fragment_shader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fragment_shader, 1, &fragment_shader_text, NULL);
glCompileShader(fragment_shader);
program = glCreateProgram();
glAttachShader(program, vertex_shader);
glAttachShader(program, fragment_shader);
glLinkProgram(program);
mvp_location = glGetUniformLocation(program, "MVP");
color_location = glGetUniformLocation(program, "color");
texture_location = glGetUniformLocation(program, "texture");
vpos_location = glGetAttribLocation(program, "vPos");
glGenBuffers(1, &vertex_buffer);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
}
glUseProgram(program);
glUniform1i(texture_location, 0);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, texture);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glEnableVertexAttribArray(vpos_location);
glVertexAttribPointer(vpos_location, 2, GL_FLOAT, GL_FALSE,
sizeof(vertices[0]), (void*) 0);
windows[1] = glfwCreateWindow(400, 400, "Second", NULL, windows[0]);
if (!windows[1])
{
glfwTerminate();
exit(EXIT_FAILURE);
}
// Place the second window to the right of the first
{
int xpos, ypos, left, right, width;
glfwGetWindowSize(windows[0], &width, NULL);
glfwGetWindowFrameSize(windows[0], &left, NULL, &right, NULL);
glfwGetWindowPos(windows[0], &xpos, &ypos);
glfwSetWindowPos(windows[1], xpos + width + left + right, ypos);
}
glfwSetKeyCallback(windows[1], key_callback);
glfwMakeContextCurrent(windows[1]);
// While objects are shared, the global context state is not and will
// need to be set up for each context
glUseProgram(program);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, texture);
glBindBuffer(GL_ARRAY_BUFFER, vertex_buffer);
glEnableVertexAttribArray(vpos_location);
glVertexAttribPointer(vpos_location, 2, GL_FLOAT, GL_FALSE,
sizeof(vertices[0]), (void*) 0);
while (!glfwWindowShouldClose(windows[0]) &&
!glfwWindowShouldClose(windows[1]))
{
int i;
const vec3 colors[2] =
{
{ 0.8f, 0.4f, 1.f },
{ 0.3f, 0.4f, 1.f }
};
for (i = 0; i < 2; i++)
{
int width, height;
mat4x4 mvp;
glfwGetFramebufferSize(windows[i], &width, &height);
glfwMakeContextCurrent(windows[i]);
glViewport(0, 0, width, height);
mat4x4_ortho(mvp, 0.f, 1.f, 0.f, 1.f, 0.f, 1.f);
glUniformMatrix4fv(mvp_location, 1, GL_FALSE, (const GLfloat*) mvp);
glUniform3fv(color_location, 1, colors[i]);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glfwSwapBuffers(windows[i]);
}
glfwWaitEvents();
}
glfwTerminate();
exit(EXIT_SUCCESS);
}

58
tests/timeout.c → examples/simple.c
View File

@ -1,6 +1,6 @@
//========================================================================
// Event wait timeout test
// Copyright (c) Camilla Löwy <elmindreda@glfw.org>
// Simple GLFW example
// Copyright (c) Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
@ -22,49 +22,34 @@
// distribution.
//
//========================================================================
//
// This test is intended to verify that waiting for events with timeout works
//
//========================================================================
//! [code]
#define GLAD_GL_IMPLEMENTATION
#include <glad/gl.h>
#define GLFW_INCLUDE_NONE
#include <GLFW/glfw3.h>
#include <time.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdio.h>
static void error_callback(int error, const char* description)
{
fprintf(stderr, "Error: %s\n", description);
fputs(description, stderr);
}
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GLFW_TRUE);
}
static float nrand(void)
{
return (float) rand() / (float) RAND_MAX;
glfwSetWindowShouldClose(window, GL_TRUE);
}
int main(void)
{
GLFWwindow* window;
srand((unsigned int) time(NULL));
glfwSetErrorCallback(error_callback);
if (!glfwInit())
exit(EXIT_FAILURE);
window = glfwCreateWindow(640, 480, "Event Wait Timeout Test", NULL, NULL);
window = glfwCreateWindow(640, 480, "Simple example", NULL, NULL);
if (!window)
{
glfwTerminate();
@ -72,23 +57,39 @@ int main(void)
}
glfwMakeContextCurrent(window);
gladLoadGL(glfwGetProcAddress);
glfwSetKeyCallback(window, key_callback);
while (!glfwWindowShouldClose(window))
{
float ratio;
int width, height;
float r = nrand(), g = nrand(), b = nrand();
float l = (float) sqrt(r * r + g * g + b * b);
glfwGetFramebufferSize(window, &width, &height);
ratio = width / (float) height;
glViewport(0, 0, width, height);
glClearColor(r / l, g / l, b / l, 1.f);
glClear(GL_COLOR_BUFFER_BIT);
glfwSwapBuffers(window);
glfwWaitEventsTimeout(1.0);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-ratio, ratio, -1.f, 1.f, 1.f, -1.f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRotatef((float) glfwGetTime() * 50.f, 0.f, 0.f, 1.f);
glBegin(GL_TRIANGLES);
glColor3f(1.f, 0.f, 0.f);
glVertex3f(-0.6f, -0.4f, 0.f);
glColor3f(0.f, 1.f, 0.f);
glVertex3f(0.6f, -0.4f, 0.f);
glColor3f(0.f, 0.f, 1.f);
glVertex3f(0.f, 0.6f, 0.f);
glEnd();
glfwSwapBuffers(window);
glfwPollEvents();
}
glfwDestroyWindow(window);
@ -97,3 +98,4 @@ int main(void)
exit(EXIT_SUCCESS);
}
//! [code]

120
examples/splitview.c
View File

@ -2,29 +2,24 @@
// This is an example program for the GLFW library
//
// The program uses a "split window" view, rendering four views of the
// same scene in one window (e.g. useful for 3D modelling software). This
// demo uses scissors to separate the four different rendering areas from
// same scene in one window (e.g. uesful for 3D modelling software). This
// demo uses scissors to separete the four different rendering areas from
// each other.
//
// (If the code seems a little bit strange here and there, it may be
// because I am not a friend of orthogonal projections)
//========================================================================
#define GLAD_GL_IMPLEMENTATION
#include <glad/gl.h>
#define GLFW_INCLUDE_NONE
#define GLFW_INCLUDE_GLU
#include <GLFW/glfw3.h>
#if defined(_MSC_VER)
// Make MS math.h define M_PI
#define _USE_MATH_DEFINES
#endif
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <linmath.h>
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
//========================================================================
@ -154,7 +149,6 @@ static void drawGrid(float scale, int steps)
{
int i;
float x, y;
mat4x4 view;
glPushMatrix();
@ -163,13 +157,10 @@ static void drawGrid(float scale, int steps)
glClear(GL_COLOR_BUFFER_BIT);
// Setup modelview matrix (flat XY view)
{
vec3 eye = { 0.f, 0.f, 1.f };
vec3 center = { 0.f, 0.f, 0.f };
vec3 up = { 0.f, 1.f, 0.f };
mat4x4_look_at(view, eye, center, up);
}
glLoadMatrixf((const GLfloat*) view);
glLoadIdentity();
gluLookAt(0.0, 0.0, 1.0,
0.0, 0.0, 0.0,
0.0, 1.0, 0.0);
// We don't want to update the Z-buffer
glDepthMask(GL_FALSE);
@ -218,14 +209,13 @@ static void drawAllViews(void)
const GLfloat light_diffuse[4] = {1.0f, 1.0f, 1.0f, 1.0f};
const GLfloat light_specular[4] = {1.0f, 1.0f, 1.0f, 1.0f};
const GLfloat light_ambient[4] = {0.2f, 0.2f, 0.3f, 1.0f};
float aspect;
mat4x4 view, projection;
double aspect;
// Calculate aspect of window
if (height > 0)
aspect = (float) width / (float) height;
aspect = (double) width / (double) height;
else
aspect = 1.f;
aspect = 1.0;
// Clear screen
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
@ -257,13 +247,10 @@ static void drawAllViews(void)
glViewport(0, height / 2, width / 2, height / 2);
glScissor(0, height / 2, width / 2, height / 2);
glMatrixMode(GL_MODELVIEW);
{
vec3 eye = { 0.f, 10.f, 1e-3f };
vec3 center = { 0.f, 0.f, 0.f };
vec3 up = { 0.f, 1.f, 0.f };
mat4x4_look_at( view, eye, center, up );
}
glLoadMatrixf((const GLfloat*) view);
glLoadIdentity();
gluLookAt(0.0f, 10.0f, 1e-3f, // Eye-position (above)
0.0f, 0.0f, 0.0f, // View-point
0.0f, 1.0f, 0.0f); // Up-vector
drawGrid(0.5, 12);
drawScene();
@ -271,13 +258,10 @@ static void drawAllViews(void)
glViewport(0, 0, width / 2, height / 2);
glScissor(0, 0, width / 2, height / 2);
glMatrixMode(GL_MODELVIEW);
{
vec3 eye = { 0.f, 0.f, 10.f };
vec3 center = { 0.f, 0.f, 0.f };
vec3 up = { 0.f, 1.f, 0.f };
mat4x4_look_at( view, eye, center, up );
}
glLoadMatrixf((const GLfloat*) view);
glLoadIdentity();
gluLookAt(0.0f, 0.0f, 10.0f, // Eye-position (in front of)
0.0f, 0.0f, 0.0f, // View-point
0.0f, 1.0f, 0.0f); // Up-vector
drawGrid(0.5, 12);
drawScene();
@ -285,13 +269,10 @@ static void drawAllViews(void)
glViewport(width / 2, 0, width / 2, height / 2);
glScissor(width / 2, 0, width / 2, height / 2);
glMatrixMode(GL_MODELVIEW);
{
vec3 eye = { 10.f, 0.f, 0.f };
vec3 center = { 0.f, 0.f, 0.f };
vec3 up = { 0.f, 1.f, 0.f };
mat4x4_look_at( view, eye, center, up );
}
glLoadMatrixf((const GLfloat*) view);
glLoadIdentity();
gluLookAt(10.0f, 0.0f, 0.0f, // Eye-position (to the right)
0.0f, 0.0f, 0.0f, // View-point
0.0f, 1.0f, 0.0f); // Up-vector
drawGrid(0.5, 12);
drawScene();
@ -311,23 +292,17 @@ static void drawAllViews(void)
// Setup perspective projection matrix
glMatrixMode(GL_PROJECTION);
mat4x4_perspective(projection,
65.f * (float) M_PI / 180.f,
aspect,
1.f, 50.f);
glLoadMatrixf((const GLfloat*) projection);
glLoadIdentity();
gluPerspective(65.0f, aspect, 1.0f, 50.0f);
// Upper right view (PERSPECTIVE VIEW)
glViewport(width / 2, height / 2, width / 2, height / 2);
glScissor(width / 2, height / 2, width / 2, height / 2);
glMatrixMode(GL_MODELVIEW);
{
vec3 eye = { 3.f, 1.5f, 3.f };
vec3 center = { 0.f, 0.f, 0.f };
vec3 up = { 0.f, 1.f, 0.f };
mat4x4_look_at( view, eye, center, up );
}
glLoadMatrixf((const GLfloat*) view);
glLoadIdentity();
gluLookAt(3.0f, 1.5f, 3.0f, // Eye-position
0.0f, 0.0f, 0.0f, // View-point
0.0f, 1.0f, 0.0f); // Up-vector
// Configure and enable light source 1
glLightfv(GL_LIGHT1, GL_POSITION, light_position);
@ -396,9 +371,7 @@ static void framebufferSizeFun(GLFWwindow* window, int w, int h)
static void windowRefreshFun(GLFWwindow* window)
{
drawAllViews();
glfwSwapBuffers(window);
do_redraw = 0;
do_redraw = 1;
}
@ -408,17 +381,6 @@ static void windowRefreshFun(GLFWwindow* window)
static void cursorPosFun(GLFWwindow* window, double x, double y)
{
int wnd_width, wnd_height, fb_width, fb_height;
double scale;
glfwGetWindowSize(window, &wnd_width, &wnd_height);
glfwGetFramebufferSize(window, &fb_width, &fb_height);
scale = (double) fb_width / (double) wnd_width;
x *= scale;
y *= scale;
// Depending on which view was selected, rotate around different axes
switch (active_view)
{
@ -475,7 +437,7 @@ static void mouseButtonFun(GLFWwindow* window, int button, int action, int mods)
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, GLFW_TRUE);
glfwSetWindowShouldClose(window, GL_TRUE);
}
@ -494,8 +456,6 @@ int main(void)
exit(EXIT_FAILURE);
}
glfwWindowHint(GLFW_SAMPLES, 4);
// Open OpenGL window
window = glfwCreateWindow(500, 500, "Split view demo", NULL, NULL);
if (!window)
@ -515,12 +475,8 @@ int main(void)
// Enable vsync
glfwMakeContextCurrent(window);
gladLoadGL(glfwGetProcAddress);
glfwSwapInterval(1);
if (GLAD_GL_ARB_multisample || GLAD_GL_VERSION_1_3)
glEnable(GL_MULTISAMPLE_ARB);
glfwGetFramebufferSize(window, &width, &height);
framebufferSizeFun(window, width, height);
@ -529,7 +485,15 @@ int main(void)
{
// Only redraw if we need to
if (do_redraw)
windowRefreshFun(window);
{
// Draw all views
drawAllViews();
// Swap buffers
glfwSwapBuffers(window);
do_redraw = 0;
}
// Wait for new events
glfwWaitEvents();

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