mirror of
https://github.com/glfw/glfw.git
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478 lines
16 KiB
C
478 lines
16 KiB
C
//========================================================================
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// GLFW - An OpenGL framework
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// Platform: Win32/WGL
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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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// This is the Windows version of GLFW
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#define _GLFW_WIN32
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// We don't need all the fancy stuff
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#define NOMINMAX
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#define WIN32_LEAN_AND_MEAN
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#define VC_EXTRALEAN
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// Include files
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#include <windows.h>
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#include <mmsystem.h>
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#include "../../include/GL/glfw.h"
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//========================================================================
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// Hack: Define things that some <windows.h>'s do not define
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//========================================================================
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// Some old versions of w32api (used by MinGW and Cygwin) define
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// WH_KEYBOARD_LL without typedef:ing KBDLLHOOKSTRUCT (!)
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#if defined(__MINGW32__) || defined(__CYGWIN__)
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#include <w32api.h>
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#if defined(WH_KEYBOARD_LL) && (__W32API_MAJOR_VERSION == 1) && (__W32API_MINOR_VERSION <= 2)
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#undef WH_KEYBOARD_LL
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#endif
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#endif
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//------------------------------------------------------------------------
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// ** NOTE ** If this gives you compiler errors and you are using MinGW
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// (or Dev-C++), update to w32api version 1.3 or later:
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// http://sourceforge.net/project/showfiles.php?group_id=2435
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//------------------------------------------------------------------------
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#ifndef WH_KEYBOARD_LL
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#define WH_KEYBOARD_LL 13
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typedef struct tagKBDLLHOOKSTRUCT {
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DWORD vkCode;
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DWORD scanCode;
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DWORD flags;
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DWORD time;
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DWORD dwExtraInfo;
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} KBDLLHOOKSTRUCT, FAR *LPKBDLLHOOKSTRUCT, *PKBDLLHOOKSTRUCT;
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#endif // WH_KEYBOARD_LL
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#ifndef LLKHF_ALTDOWN
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#define LLKHF_ALTDOWN 0x00000020
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#endif
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#ifndef SPI_SETSCREENSAVERRUNNING
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#define SPI_SETSCREENSAVERRUNNING 97
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#endif
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#ifndef SPI_GETANIMATION
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#define SPI_GETANIMATION 72
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#endif
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#ifndef SPI_SETANIMATION
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#define SPI_SETANIMATION 73
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#endif
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#ifndef SPI_GETFOREGROUNDLOCKTIMEOUT
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#define SPI_GETFOREGROUNDLOCKTIMEOUT 0x2000
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#endif
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#ifndef SPI_SETFOREGROUNDLOCKTIMEOUT
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#define SPI_SETFOREGROUNDLOCKTIMEOUT 0x2001
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#endif
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#ifndef CDS_FULLSCREEN
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#define CDS_FULLSCREEN 4
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#endif
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#ifndef PFD_GENERIC_ACCELERATED
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#define PFD_GENERIC_ACCELERATED 0x00001000
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#endif
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#ifndef PFD_DEPTH_DONTCARE
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#define PFD_DEPTH_DONTCARE 0x20000000
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#endif
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#ifndef ENUM_CURRENT_SETTINGS
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#define ENUM_CURRENT_SETTINGS -1
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#endif
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#ifndef ENUM_REGISTRY_SETTINGS
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#define ENUM_REGISTRY_SETTINGS -2
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#endif
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#ifndef WM_MOUSEWHEEL
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#define WM_MOUSEWHEEL 0x020A
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#endif
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#ifndef WHEEL_DELTA
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#define WHEEL_DELTA 120
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#endif
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#ifndef WM_XBUTTONDOWN
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#define WM_XBUTTONDOWN 0x020B
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#endif
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#ifndef WM_XBUTTONUP
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#define WM_XBUTTONUP 0x020C
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#endif
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#ifndef XBUTTON1
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#define XBUTTON1 1
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#endif
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#ifndef XBUTTON2
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#define XBUTTON2 2
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#endif
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#ifndef WGL_ARB_pixel_format
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// wglSwapIntervalEXT typedef (Win32 buffer-swap interval control)
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typedef int (APIENTRY * WGLSWAPINTERVALEXT_T) (int);
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// wglGetPixelFormatAttribivARB typedef
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typedef BOOL (WINAPI * WGLGETPIXELFORMATATTRIBIVARB_T) (HDC, int, int, UINT, const int *, int *);
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// wglGetExtensionStringEXT typedef
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typedef const char *(APIENTRY * WGLGETEXTENSIONSSTRINGEXT_T)( void );
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// wglGetExtensionStringARB typedef
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typedef const char *(APIENTRY * WGLGETEXTENSIONSSTRINGARB_T)( HDC );
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/* Constants for wglGetPixelFormatAttribivARB */
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#define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000
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#define WGL_DRAW_TO_WINDOW_ARB 0x2001
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#define WGL_SUPPORT_OPENGL_ARB 0x2010
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#define WGL_ACCELERATION_ARB 0x2003
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#define WGL_DOUBLE_BUFFER_ARB 0x2011
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#define WGL_STEREO_ARB 0x2012
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#define WGL_PIXEL_TYPE_ARB 0x2013
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#define WGL_COLOR_BITS_ARB 0x2014
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#define WGL_RED_BITS_ARB 0x2015
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#define WGL_GREEN_BITS_ARB 0x2017
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#define WGL_BLUE_BITS_ARB 0x2019
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#define WGL_ALPHA_BITS_ARB 0x201B
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#define WGL_ACCUM_BITS_ARB 0x201D
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#define WGL_ACCUM_RED_BITS_ARB 0x201E
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#define WGL_ACCUM_GREEN_BITS_ARB 0x201F
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#define WGL_ACCUM_BLUE_BITS_ARB 0x2020
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#define WGL_ACCUM_ALPHA_BITS_ARB 0x2021
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#define WGL_DEPTH_BITS_ARB 0x2022
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#define WGL_STENCIL_BITS_ARB 0x2023
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#define WGL_AUX_BUFFERS_ARB 0x2024
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#define WGL_SAMPLE_BUFFERS_ARB 0x2041
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#define WGL_SAMPLES_ARB 0x2042
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/* Constants for WGL_ACCELERATION_ARB */
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#define WGL_NO_ACCELERATION_ARB 0x2025
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#define WGL_GENERIC_ACCELERATION_ARB 0x2026
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#define WGL_FULL_ACCELERATION_ARB 0x2027
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/* Constants for WGL_PIXEL_TYPE_ARB */
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#define WGL_TYPE_RGBA_ARB 0x202B
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#define WGL_TYPE_COLORINDEX_ARB 0x202C
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#endif /*WGL_ARB_pixel_format*/
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#ifndef WGL_ARB_create_context
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/* wglCreateContextAttribsARB */
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typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC, HGLRC, const int *);
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/* Tokens for wglCreateContextAttribsARB attributes */
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#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
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#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
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#define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093
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#define WGL_CONTEXT_FLAGS_ARB 0x2094
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#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
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/* Bits for WGL_CONTEXT_FLAGS_ARB */
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#define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001
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#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002
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/* Bits for WGL_CONTEXT_PROFILE_MASK_ARB */
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#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
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#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
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#endif /*WGL_ARB_create_context*/
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#ifndef GL_VERSION_3_0
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typedef const GLubyte * (APIENTRY *PFNGLGETSTRINGIPROC) (GLenum, GLuint);
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#endif /*GL_VERSION_3_0*/
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//========================================================================
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// DLLs that are loaded at glfwInit()
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//========================================================================
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// gdi32.dll function pointer typedefs
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#ifndef _GLFW_NO_DLOAD_GDI32
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typedef int (WINAPI * CHOOSEPIXELFORMAT_T) (HDC,CONST PIXELFORMATDESCRIPTOR*);
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typedef int (WINAPI * DESCRIBEPIXELFORMAT_T) (HDC,int,UINT,LPPIXELFORMATDESCRIPTOR);
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typedef int (WINAPI * GETPIXELFORMAT_T) (HDC);
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typedef BOOL (WINAPI * SETPIXELFORMAT_T) (HDC,int,const PIXELFORMATDESCRIPTOR*);
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typedef BOOL (WINAPI * SWAPBUFFERS_T) (HDC);
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#endif // _GLFW_NO_DLOAD_GDI32
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// winmm.dll function pointer typedefs
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#ifndef _GLFW_NO_DLOAD_WINMM
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typedef MMRESULT (WINAPI * JOYGETDEVCAPSA_T) (UINT,LPJOYCAPSA,UINT);
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typedef MMRESULT (WINAPI * JOYGETPOS_T) (UINT,LPJOYINFO);
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typedef MMRESULT (WINAPI * JOYGETPOSEX_T) (UINT,LPJOYINFOEX);
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typedef DWORD (WINAPI * TIMEGETTIME_T) (void);
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#endif // _GLFW_NO_DLOAD_WINMM
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// gdi32.dll shortcuts
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#ifndef _GLFW_NO_DLOAD_GDI32
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#define _glfw_ChoosePixelFormat _glfwLibrary.Libs.ChoosePixelFormat
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#define _glfw_DescribePixelFormat _glfwLibrary.Libs.DescribePixelFormat
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#define _glfw_GetPixelFormat _glfwLibrary.Libs.GetPixelFormat
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#define _glfw_SetPixelFormat _glfwLibrary.Libs.SetPixelFormat
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#define _glfw_SwapBuffers _glfwLibrary.Libs.SwapBuffers
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#else
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#define _glfw_ChoosePixelFormat ChoosePixelFormat
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#define _glfw_DescribePixelFormat DescribePixelFormat
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#define _glfw_GetPixelFormat GetPixelFormat
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#define _glfw_SetPixelFormat SetPixelFormat
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#define _glfw_SwapBuffers SwapBuffers
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#endif // _GLFW_NO_DLOAD_GDI32
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// winmm.dll shortcuts
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#ifndef _GLFW_NO_DLOAD_WINMM
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#define _glfw_joyGetDevCaps _glfwLibrary.Libs.joyGetDevCapsA
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#define _glfw_joyGetPos _glfwLibrary.Libs.joyGetPos
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#define _glfw_joyGetPosEx _glfwLibrary.Libs.joyGetPosEx
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#define _glfw_timeGetTime _glfwLibrary.Libs.timeGetTime
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#else
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#define _glfw_joyGetDevCaps joyGetDevCapsA
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#define _glfw_joyGetPos joyGetPos
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#define _glfw_joyGetPosEx joyGetPosEx
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#define _glfw_timeGetTime timeGetTime
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#endif // _GLFW_NO_DLOAD_WINMM
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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 INT_PTR GLFWintptr;
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//------------------------------------------------------------------------
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// Window structure
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//------------------------------------------------------------------------
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typedef struct _GLFWwin_struct _GLFWwin;
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struct _GLFWwin_struct {
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// ========= PLATFORM INDEPENDENT MANDATORY PART =========================
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// User callback functions
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GLFWwindowsizefun windowSizeCallback;
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GLFWwindowclosefun windowCloseCallback;
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GLFWwindowrefreshfun windowRefreshCallback;
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GLFWmousebuttonfun mouseButtonCallback;
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GLFWmouseposfun mousePosCallback;
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GLFWmousewheelfun mouseWheelCallback;
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GLFWkeyfun keyCallback;
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GLFWcharfun charCallback;
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// User selected window settings
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int fullscreen; // Fullscreen flag
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int mouseLock; // Mouse-lock flag
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int sysKeysDisabled; // System keys disabled flag
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int windowNoResize; // Resize- and maximize gadgets disabled flag
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int refreshRate; // Vertical monitor refresh rate
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// Window status & parameters
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int opened; // Flag telling if window is opened or not
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int active; // Application active flag
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int iconified; // Window iconified flag
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int width, height; // Window width and heigth
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int accelerated; // GL_TRUE if window is HW accelerated
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// Framebuffer attributes
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int redBits;
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int greenBits;
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int blueBits;
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int alphaBits;
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int depthBits;
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int stencilBits;
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int accumRedBits;
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int accumGreenBits;
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int accumBlueBits;
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int accumAlphaBits;
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int auxBuffers;
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int stereo;
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int samples;
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// OpenGL extensions and context attributes
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int glMajor, glMinor, glRevision;
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int glForward, glDebug, glProfile;
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PFNGLGETSTRINGIPROC GetStringi;
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// ========= PLATFORM SPECIFIC PART ======================================
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// Platform specific window resources
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HDC DC; // Private GDI device context
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HGLRC context; // Permanent rendering context
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HWND window; // Window handle
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ATOM classAtom; // Window class atom
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int modeID; // Mode ID for fullscreen mode
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HHOOK keyboardHook; // Keyboard hook handle
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DWORD dwStyle; // Window styles used for window creation
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DWORD dwExStyle; // --"--
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// Platform specific extensions (context specific)
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WGLSWAPINTERVALEXT_T SwapIntervalEXT;
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WGLGETPIXELFORMATATTRIBIVARB_T GetPixelFormatAttribivARB;
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WGLGETEXTENSIONSSTRINGEXT_T GetExtensionsStringEXT;
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WGLGETEXTENSIONSSTRINGARB_T GetExtensionsStringARB;
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PFNWGLCREATECONTEXTATTRIBSARBPROC CreateContextAttribsARB;
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GLboolean has_WGL_EXT_swap_control;
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GLboolean has_WGL_ARB_multisample;
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GLboolean has_WGL_ARB_pixel_format;
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GLboolean has_WGL_ARB_create_context;
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// Various platform specific internal variables
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int oldMouseLock; // Old mouse-lock flag (used for remembering
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// mouse-lock state when iconifying)
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int oldMouseLockValid;
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int desiredRefreshRate; // Desired vertical monitor refresh rate
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};
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GLFWGLOBAL _GLFWwin _glfwWin;
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//------------------------------------------------------------------------
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// User input status (most of this should go in _GLFWwin)
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//------------------------------------------------------------------------
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GLFWGLOBAL struct {
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// ========= PLATFORM INDEPENDENT MANDATORY PART =========================
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// Mouse status
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int MousePosX, MousePosY;
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int WheelPos;
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char MouseButton[ GLFW_MOUSE_BUTTON_LAST+1 ];
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// Keyboard status
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char Key[ GLFW_KEY_LAST+1 ];
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int LastChar;
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// User selected settings
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int StickyKeys;
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int StickyMouseButtons;
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int KeyRepeat;
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// ========= PLATFORM SPECIFIC PART ======================================
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// Platform specific internal variables
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int MouseMoved, OldMouseX, OldMouseY;
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} _glfwInput;
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//------------------------------------------------------------------------
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// Library global data
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//------------------------------------------------------------------------
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GLFWGLOBAL struct {
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// Window opening hints
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_GLFWhints hints;
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// ========= PLATFORM SPECIFIC PART ======================================
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HINSTANCE instance; // Instance of the application
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// Timer data
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struct {
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int HasPerformanceCounter;
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double Resolution;
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unsigned int t0_32;
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__int64 t0_64;
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} Timer;
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// System information
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struct {
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int winVer;
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int hasUnicode;
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DWORD foregroundLockTimeout;
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} Sys;
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#if !defined(_GLFW_NO_DLOAD_WINMM) || !defined(_GLFW_NO_DLOAD_GDI32)
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// Library handles and function pointers
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struct {
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#ifndef _GLFW_NO_DLOAD_GDI32
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// gdi32.dll
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HINSTANCE gdi32;
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CHOOSEPIXELFORMAT_T ChoosePixelFormat;
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DESCRIBEPIXELFORMAT_T DescribePixelFormat;
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GETPIXELFORMAT_T GetPixelFormat;
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SETPIXELFORMAT_T SetPixelFormat;
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SWAPBUFFERS_T SwapBuffers;
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#endif // _GLFW_NO_DLOAD_GDI32
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// winmm.dll
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#ifndef _GLFW_NO_DLOAD_WINMM
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HINSTANCE winmm;
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JOYGETDEVCAPSA_T joyGetDevCapsA;
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JOYGETPOS_T joyGetPos;
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JOYGETPOSEX_T joyGetPosEx;
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TIMEGETTIME_T timeGetTime;
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#endif // _GLFW_NO_DLOAD_WINMM
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} Libs;
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#endif
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} _glfwLibrary;
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//========================================================================
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// Various Windows version constants
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//========================================================================
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#define _GLFW_WIN_UNKNOWN 0x0000 // Earlier than 95 or NT4
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#define _GLFW_WIN_95 0x0001
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#define _GLFW_WIN_98 0x0002
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#define _GLFW_WIN_ME 0x0003
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#define _GLFW_WIN_UNKNOWN_9x 0x0004 // Later than ME
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#define _GLFW_WIN_NT4 0x0101
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#define _GLFW_WIN_2K 0x0102
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#define _GLFW_WIN_XP 0x0103
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#define _GLFW_WIN_NET_SERVER 0x0104
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#define _GLFW_WIN_UNKNOWN_NT 0x0105 // Later than .NET Server
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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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// Fullscreen support
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int _glfwGetClosestVideoModeBPP( int *w, int *h, int *bpp, int *refresh );
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int _glfwGetClosestVideoMode( int *w, int *h, int *r, int *g, int *b, int *refresh );
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void _glfwSetVideoModeMODE( int mode );
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void _glfwSetVideoMode( int *w, int *h, int r, int g, int b, int refresh );
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#endif // _platform_h_
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