475 lines
16 KiB
C
475 lines
16 KiB
C
//========================================================================
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// GLFW - An OpenGL framework
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// File: platform.h
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// Platform: Windows
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// API version: 2.6
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// WWW: http://glfw.sourceforge.net
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Camilla Berglund
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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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// 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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// wglSwapIntervalEXT typedef (Win32 buffer-swap interval control)
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typedef int (APIENTRY * WGLSWAPINTERVALEXT_T) (int);
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// wglChoosePixelFormatARB typedef
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typedef BOOL (WINAPI * WGLCHOOSEPIXELFORMATARB_T) (HDC, const int *, const FLOAT *, UINT, int *, UINT *);
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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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#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_FULL_ACCELERATION_ARB 0x2027
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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_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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//========================================================================
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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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// Global variables (GLFW internals)
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//========================================================================
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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 AutoPollEvents; // Auto polling 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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// 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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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 RefreshRate; // Vertical monitor refresh rate
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int Samples;
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// Extensions & OpenGL version
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int Has_GL_SGIS_generate_mipmap;
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int Has_GL_ARB_texture_non_power_of_two;
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int GLVerMajor,GLVerMinor;
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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 RC; // Permanent rendering context
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HWND Wnd; // 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 SwapInterval;
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WGLCHOOSEPIXELFORMATARB_T ChoosePixelFormat;
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WGLGETPIXELFORMATATTRIBIVARB_T GetPixelFormatAttribiv;
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WGLGETEXTENSIONSSTRINGEXT_T GetExtensionsStringEXT;
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WGLGETEXTENSIONSSTRINGARB_T GetExtensionsStringARB;
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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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// ========= 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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// Thread record (one for each thread)
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//------------------------------------------------------------------------
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typedef struct _GLFWthread_struct _GLFWthread;
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struct _GLFWthread_struct {
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// ========= PLATFORM INDEPENDENT MANDATORY PART =========================
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// Pointer to previous and next threads in linked list
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_GLFWthread *Previous, *Next;
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// GLFW user side thread information
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GLFWthread ID;
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GLFWthreadfun Function;
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// ========= PLATFORM SPECIFIC PART ======================================
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// System side thread information
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HANDLE Handle;
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DWORD WinID;
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};
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//------------------------------------------------------------------------
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// General thread information
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//------------------------------------------------------------------------
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GLFWGLOBAL struct {
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// ========= PLATFORM INDEPENDENT MANDATORY PART =========================
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// Next thread ID to use (increments for every created thread)
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GLFWthread NextID;
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// First thread in linked list (always the main thread)
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_GLFWthread First;
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// ========= PLATFORM SPECIFIC PART ======================================
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// Critical section lock
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CRITICAL_SECTION CriticalSection;
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} _glfwThrd;
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//========================================================================
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// Macros for encapsulating critical code sections (i.e. making parts
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// of GLFW thread safe)
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//========================================================================
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// Thread list management
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#define ENTER_THREAD_CRITICAL_SECTION \
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EnterCriticalSection( &_glfwThrd.CriticalSection );
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#define LEAVE_THREAD_CRITICAL_SECTION \
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LeaveCriticalSection( &_glfwThrd.CriticalSection );
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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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