mirror of https://github.com/glfw/glfw.git
Add EGL X11 platform header
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Cloudef
Jari Vetoniemi
parent
27a7cc5aa8
commit
812ebe200d
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//========================================================================
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// GLFW - An OpenGL library
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// Platform: X11/EGL
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// API version: 3.0
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// WWW: http://www.glfw.org/
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#ifndef _platform_h_
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#define _platform_h_
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#include <unistd.h>
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#include <signal.h>
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#include <stdint.h>
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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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#include <X11/Xatom.h>
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#include <X11/Xutil.h>
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// Include EGL
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#include <EGL/egl.h>
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// With XFree86, we can use the XF86VidMode extension
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#if defined(_GLFW_HAS_XF86VIDMODE)
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#include <X11/extensions/xf86vmode.h>
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#endif
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#if defined(_GLFW_HAS_XRANDR)
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#include <X11/extensions/Xrandr.h>
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#endif
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// Do we have support for dlopen/dlsym?
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#if defined(_GLFW_HAS_DLOPEN)
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#include <dlfcn.h>
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#endif
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// The Xkb extension provides improved keyboard support
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#if defined(_GLFW_HAS_XKB)
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#include <X11/XKBlib.h>
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#endif
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// We support two different ways for getting addresses for EGL
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// extension functions: eglGetProcAddress and dlsym
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#if defined(_GLFW_HAS_EGLGETPROCADDRESS)
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#define _glfw_eglGetProcAddress(x) eglGetProcAddress(x)
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#elif defined(_GLFW_HAS_DLOPEN)
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#define _glfw_eglGetProcAddress(x) dlsym(_glfwLibrary.EGL.libEGL, x)
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#define _GLFW_DLOPEN_LIBEGL
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#else
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#error "No OpenGL entry point retrieval mechanism was enabled"
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#endif
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#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowX11 X11
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#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextEGL EGL
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#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryX11 X11
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#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryEGL EGL
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// Clipboard format atom indices
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#define _GLFW_CLIPBOARD_FORMAT_UTF8 0
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#define _GLFW_CLIPBOARD_FORMAT_COMPOUND 1
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#define _GLFW_CLIPBOARD_FORMAT_STRING 2
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#define _GLFW_CLIPBOARD_FORMAT_COUNT 3
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// Clipboard conversion status tokens
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#define _GLFW_CONVERSION_INACTIVE 0
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#define _GLFW_CONVERSION_SUCCEEDED 1
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#define _GLFW_CONVERSION_FAILED 2
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//========================================================================
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// GLFW platform specific types
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//========================================================================
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//------------------------------------------------------------------------
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// Pointer length integer
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//------------------------------------------------------------------------
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typedef intptr_t GLFWintptr;
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//------------------------------------------------------------------------
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// Platform-specific OpenGL context structure
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//------------------------------------------------------------------------
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typedef struct _GLFWcontextEGL
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{
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EGLConfig config;
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EGLContext context;
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EGLSurface surface;
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XVisualInfo* visual;
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} _GLFWcontextEGL;
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//------------------------------------------------------------------------
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// Platform-specific window structure
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//------------------------------------------------------------------------
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typedef struct _GLFWwindowX11
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{
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// Platform specific window resources
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Colormap colormap; // Window colormap
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Window handle; // Window handle
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// Various platform specific internal variables
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GLboolean overrideRedirect; // True if window is OverrideRedirect
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GLboolean keyboardGrabbed; // True if keyboard is currently grabbed
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GLboolean cursorGrabbed; // True if cursor is currently grabbed
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GLboolean cursorHidden; // True if cursor is currently hidden
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GLboolean cursorCentered; // True if cursor was moved since last poll
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int cursorPosX, cursorPosY;
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} _GLFWwindowX11;
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//------------------------------------------------------------------------
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// Platform-specific library global data for X11
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//------------------------------------------------------------------------
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typedef struct _GLFWlibraryX11
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{
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Display* display;
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int screen;
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Window root;
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Cursor cursor; // Invisible cursor for hidden cursor
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Atom wmDeleteWindow; // WM_DELETE_WINDOW atom
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Atom wmName; // _NET_WM_NAME atom
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Atom wmIconName; // _NET_WM_ICON_NAME atom
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Atom wmPing; // _NET_WM_PING atom
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Atom wmState; // _NET_WM_STATE atom
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Atom wmStateFullscreen; // _NET_WM_STATE_FULLSCREEN atom
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Atom wmActiveWindow; // _NET_ACTIVE_WINDOW atom
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// True if window manager supports EWMH
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GLboolean hasEWMH;
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struct {
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GLboolean available;
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int eventBase;
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int errorBase;
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} VidMode;
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struct {
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GLboolean available;
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int eventBase;
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int errorBase;
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int majorVersion;
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int minorVersion;
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GLboolean gammaBroken;
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} RandR;
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struct {
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GLboolean available;
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int majorOpcode;
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int eventBase;
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int errorBase;
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int majorVersion;
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int minorVersion;
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} Xkb;
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// Key code LUT (mapping X11 key codes to GLFW key codes)
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int keyCodeLUT[256];
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// Screensaver data
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struct {
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GLboolean changed;
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int timeout;
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int interval;
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int blanking;
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int exposure;
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} saver;
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// Fullscreen data
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struct {
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GLboolean modeChanged;
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#if defined(_GLFW_HAS_XRANDR)
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SizeID oldSizeID;
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int oldWidth;
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int oldHeight;
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Rotation oldRotation;
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#endif /*_GLFW_HAS_XRANDR*/
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#if defined(_GLFW_HAS_XF86VIDMODE)
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XF86VidModeModeInfo oldMode;
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#endif /*_GLFW_HAS_XF86VIDMODE*/
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} FS;
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// Timer data
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struct {
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GLboolean monotonic;
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double resolution;
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uint64_t base;
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} timer;
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// Selection data
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struct {
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Atom atom;
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Atom formats[_GLFW_CLIPBOARD_FORMAT_COUNT];
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char* string;
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Atom target;
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Atom targets;
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Atom property;
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int status;
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} selection;
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} _GLFWlibraryX11;
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//------------------------------------------------------------------------
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// Platform-specific library global data for EGL
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//------------------------------------------------------------------------
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typedef struct _GLFWlibraryEGL
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{
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EGLDisplay display;
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EGLint majorVersion, minorVersion;
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#if defined(_GLFW_DLOPEN_LIBEGL)
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void* libEGL; // dlopen handle for libEGL.so
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#endif
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} _GLFWlibraryEGL;
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//------------------------------------------------------------------------
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// Joystick information & state
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//------------------------------------------------------------------------
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GLFWGLOBAL struct {
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int Present;
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int fd;
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int NumAxes;
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int NumButtons;
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float* Axis;
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unsigned char* Button;
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} _glfwJoy[GLFW_JOYSTICK_LAST + 1];
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//========================================================================
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// Prototypes for platform specific internal functions
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//========================================================================
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// Time
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void _glfwInitTimer(void);
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// OpenGL(|ES) support
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int _glfwInitOpenGL(void);
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void _glfwTerminateOpenGL(void);
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int _glfwCreateContext(_GLFWwindow* window,
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const _GLFWwndconfig* wndconfig,
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const _GLFWfbconfig* fbconfig);
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void _glfwDestroyContext(_GLFWwindow* window);
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// Fullscreen support
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int _glfwGetClosestVideoMode(int* width, int* height, int* rate);
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void _glfwSetVideoModeMODE(int mode, int rate);
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void _glfwSetVideoMode(int* width, int* height, int* rate);
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void _glfwRestoreVideoMode(void);
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// Joystick input
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void _glfwInitJoysticks(void);
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void _glfwTerminateJoysticks(void);
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// Unicode support
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long _glfwKeySym2Unicode(KeySym keysym);
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// Clipboard handling
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GLboolean _glfwReadSelection(XSelectionEvent* request);
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Atom _glfwWriteSelection(XSelectionRequestEvent* request);
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// Event processing
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void _glfwProcessPendingEvents(void);
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#endif // _platform_h_
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