359 lines
12 KiB
C
359 lines
12 KiB
C
|
//========================================================================
|
||
|
|
// GLFW - An OpenGL framework
|
||
|
|
// File: win32_init.c
|
||
|
|
// Platform: Windows
|
||
|
|
// API version: 2.6
|
||
|
|
// WWW: http://glfw.sourceforge.net
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
// Copyright (c) 2002-2006 Camilla Berglund
|
||
|
|
//
|
||
|
|
// 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.
|
||
|
|
//
|
||
|
|
//------------------------------------------------------------------------
|
||
|
|
// $Id: win32_init.c,v 1.9 2007/04/15 22:54:40 elmindreda Exp $
|
||
|
|
//========================================================================
|
||
|
|
|
||
|
|
#include "internal.h"
|
||
|
|
|
||
|
|
// With the Borland C++ compiler, we want to disable FPU exceptions
|
||
|
|
#ifdef __BORLANDC__
|
||
|
|
#include <float.h>
|
||
|
|
#endif // __BORLANDC__
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//************************************************************************
|
||
|
|
//**** GLFW internal functions ****
|
||
|
|
//************************************************************************
|
||
|
|
|
||
|
|
//========================================================================
|
||
|
|
// _glfwInitLibraries() - Load necessary libraries (DLLs)
|
||
|
|
//========================================================================
|
||
|
|
|
||
|
|
static int _glfwInitLibraries( void )
|
||
|
|
{
|
||
|
|
// gdi32.dll (OpenGL pixel format functions & SwapBuffers)
|
||
|
|
#ifndef _GLFW_NO_DLOAD_GDI32
|
||
|
|
_glfwLibrary.Libs.gdi32 = LoadLibrary( "gdi32.dll" );
|
||
|
|
if( _glfwLibrary.Libs.gdi32 != NULL )
|
||
|
|
{
|
||
|
|
_glfwLibrary.Libs.ChoosePixelFormat = (CHOOSEPIXELFORMAT_T)
|
||
|
|
GetProcAddress( _glfwLibrary.Libs.gdi32, "ChoosePixelFormat" );
|
||
|
|
_glfwLibrary.Libs.DescribePixelFormat = (DESCRIBEPIXELFORMAT_T)
|
||
|
|
GetProcAddress( _glfwLibrary.Libs.gdi32, "DescribePixelFormat" );
|
||
|
|
_glfwLibrary.Libs.GetPixelFormat = (GETPIXELFORMAT_T)
|
||
|
|
GetProcAddress( _glfwLibrary.Libs.gdi32, "GetPixelFormat" );
|
||
|
|
_glfwLibrary.Libs.SetPixelFormat = (SETPIXELFORMAT_T)
|
||
|
|
GetProcAddress( _glfwLibrary.Libs.gdi32, "SetPixelFormat" );
|
||
|
|
_glfwLibrary.Libs.SwapBuffers = (SWAPBUFFERS_T)
|
||
|
|
GetProcAddress( _glfwLibrary.Libs.gdi32, "SwapBuffers" );
|
||
|
|
if( _glfwLibrary.Libs.ChoosePixelFormat == NULL ||
|
||
|
|
_glfwLibrary.Libs.DescribePixelFormat == NULL ||
|
||
|
|
_glfwLibrary.Libs.GetPixelFormat == NULL ||
|
||
|
|
_glfwLibrary.Libs.SetPixelFormat == NULL ||
|
||
|
|
_glfwLibrary.Libs.SwapBuffers == NULL )
|
||
|
|
{
|
||
|
|
FreeLibrary( _glfwLibrary.Libs.gdi32 );
|
||
|
|
_glfwLibrary.Libs.gdi32 = NULL;
|
||
|
|
return GL_FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return GL_FALSE;
|
||
|
|
}
|
||
|
|
#endif // _GLFW_NO_DLOAD_GDI32
|
||
|
|
|
||
|
|
// winmm.dll (for joystick and timer support)
|
||
|
|
#ifndef _GLFW_NO_DLOAD_WINMM
|
||
|
|
_glfwLibrary.Libs.winmm = LoadLibrary( "winmm.dll" );
|
||
|
|
if( _glfwLibrary.Libs.winmm != NULL )
|
||
|
|
{
|
||
|
|
_glfwLibrary.Libs.joyGetDevCapsA = (JOYGETDEVCAPSA_T)
|
||
|
|
GetProcAddress( _glfwLibrary.Libs.winmm, "joyGetDevCapsA" );
|
||
|
|
_glfwLibrary.Libs.joyGetPos = (JOYGETPOS_T)
|
||
|
|
GetProcAddress( _glfwLibrary.Libs.winmm, "joyGetPos" );
|
||
|
|
_glfwLibrary.Libs.joyGetPosEx = (JOYGETPOSEX_T)
|
||
|
|
GetProcAddress( _glfwLibrary.Libs.winmm, "joyGetPosEx" );
|
||
|
|
_glfwLibrary.Libs.timeGetTime = (TIMEGETTIME_T)
|
||
|
|
GetProcAddress( _glfwLibrary.Libs.winmm, "timeGetTime" );
|
||
|
|
if( _glfwLibrary.Libs.joyGetDevCapsA == NULL ||
|
||
|
|
_glfwLibrary.Libs.joyGetPos == NULL ||
|
||
|
|
_glfwLibrary.Libs.joyGetPosEx == NULL ||
|
||
|
|
_glfwLibrary.Libs.timeGetTime == NULL )
|
||
|
|
{
|
||
|
|
FreeLibrary( _glfwLibrary.Libs.winmm );
|
||
|
|
_glfwLibrary.Libs.winmm = NULL;
|
||
|
|
return GL_FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return GL_FALSE;
|
||
|
|
}
|
||
|
|
#endif // _GLFW_NO_DLOAD_WINMM
|
||
|
|
|
||
|
|
return GL_TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//========================================================================
|
||
|
|
// _glfwFreeLibraries() - Unload used libraries (DLLs)
|
||
|
|
//========================================================================
|
||
|
|
|
||
|
|
static void _glfwFreeLibraries( void )
|
||
|
|
{
|
||
|
|
// gdi32.dll
|
||
|
|
#ifndef _GLFW_NO_DLOAD_GDI32
|
||
|
|
if( _glfwLibrary.Libs.gdi32 != NULL )
|
||
|
|
{
|
||
|
|
FreeLibrary( _glfwLibrary.Libs.gdi32 );
|
||
|
|
_glfwLibrary.Libs.gdi32 = NULL;
|
||
|
|
}
|
||
|
|
#endif // _GLFW_NO_DLOAD_GDI32
|
||
|
|
|
||
|
|
// winmm.dll
|
||
|
|
#ifndef _GLFW_NO_DLOAD_WINMM
|
||
|
|
if( _glfwLibrary.Libs.winmm != NULL )
|
||
|
|
{
|
||
|
|
FreeLibrary( _glfwLibrary.Libs.winmm );
|
||
|
|
_glfwLibrary.Libs.winmm = NULL;
|
||
|
|
}
|
||
|
|
#endif // _GLFW_NO_DLOAD_WINMM
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//========================================================================
|
||
|
|
// _glfwInitThreads() - Initialize GLFW thread package
|
||
|
|
//========================================================================
|
||
|
|
|
||
|
|
static void _glfwInitThreads( void )
|
||
|
|
{
|
||
|
|
// Initialize critical section handle
|
||
|
|
InitializeCriticalSection( &_glfwThrd.CriticalSection );
|
||
|
|
|
||
|
|
// The first thread (the main thread) has ID 0
|
||
|
|
_glfwThrd.NextID = 0;
|
||
|
|
|
||
|
|
// Fill out information about the main thread (this thread)
|
||
|
|
_glfwThrd.First.ID = _glfwThrd.NextID ++;
|
||
|
|
_glfwThrd.First.Function = NULL;
|
||
|
|
_glfwThrd.First.Handle = GetCurrentThread();
|
||
|
|
_glfwThrd.First.WinID = GetCurrentThreadId();
|
||
|
|
_glfwThrd.First.Previous = NULL;
|
||
|
|
_glfwThrd.First.Next = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//========================================================================
|
||
|
|
// _glfwTerminateThreads() - Terminate GLFW thread package
|
||
|
|
//========================================================================
|
||
|
|
|
||
|
|
static void _glfwTerminateThreads( void )
|
||
|
|
{
|
||
|
|
_GLFWthread *t, *t_next;
|
||
|
|
|
||
|
|
// Enter critical section
|
||
|
|
ENTER_THREAD_CRITICAL_SECTION
|
||
|
|
|
||
|
|
// Kill all threads (NOTE: THE USER SHOULD WAIT FOR ALL THREADS TO
|
||
|
|
// DIE, _BEFORE_ CALLING glfwTerminate()!!!)
|
||
|
|
t = _glfwThrd.First.Next;
|
||
|
|
while( t != NULL )
|
||
|
|
{
|
||
|
|
// Get pointer to next thread
|
||
|
|
t_next = t->Next;
|
||
|
|
|
||
|
|
// Simply murder the process, no mercy!
|
||
|
|
if( TerminateThread( t->Handle, 0 ) )
|
||
|
|
{
|
||
|
|
// Close thread handle
|
||
|
|
CloseHandle( t->Handle );
|
||
|
|
|
||
|
|
// Free memory allocated for this thread
|
||
|
|
free( (void *) t );
|
||
|
|
}
|
||
|
|
|
||
|
|
// Select next thread in list
|
||
|
|
t = t_next;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Leave critical section
|
||
|
|
LEAVE_THREAD_CRITICAL_SECTION
|
||
|
|
|
||
|
|
// Delete critical section handle
|
||
|
|
DeleteCriticalSection( &_glfwThrd.CriticalSection );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//========================================================================
|
||
|
|
// _glfwTerminate_atexit() - Terminate GLFW when exiting application
|
||
|
|
//========================================================================
|
||
|
|
|
||
|
|
void _glfwTerminate_atexit( void )
|
||
|
|
{
|
||
|
|
glfwTerminate();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//************************************************************************
|
||
|
|
//**** Platform implementation functions ****
|
||
|
|
//************************************************************************
|
||
|
|
|
||
|
|
//========================================================================
|
||
|
|
// _glfwPlatformInit() - Initialize various GLFW state
|
||
|
|
//========================================================================
|
||
|
|
|
||
|
|
int _glfwPlatformInit( void )
|
||
|
|
{
|
||
|
|
OSVERSIONINFO osi;
|
||
|
|
|
||
|
|
// To make SetForegroundWindow() work as we want, we need to fiddle
|
||
|
|
// with the FOREGROUNDLOCKTIMEOUT system setting (we do this as early
|
||
|
|
// as possible in the hope of still being the foreground process)
|
||
|
|
SystemParametersInfo( SPI_GETFOREGROUNDLOCKTIMEOUT, 0,
|
||
|
|
&_glfwLibrary.Sys.ForegroundLockTimeout, 0 );
|
||
|
|
SystemParametersInfo( SPI_SETFOREGROUNDLOCKTIMEOUT, 0, (LPVOID)0,
|
||
|
|
SPIF_SENDCHANGE );
|
||
|
|
|
||
|
|
// Check which OS version we are running
|
||
|
|
osi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
|
||
|
|
GetVersionEx( &osi );
|
||
|
|
_glfwLibrary.Sys.WinVer = _GLFW_WIN_UNKNOWN;
|
||
|
|
if( osi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS )
|
||
|
|
{
|
||
|
|
if( osi.dwMajorVersion == 4 && osi.dwMinorVersion < 10 )
|
||
|
|
{
|
||
|
|
_glfwLibrary.Sys.WinVer = _GLFW_WIN_95;
|
||
|
|
}
|
||
|
|
else if( osi.dwMajorVersion == 4 && osi.dwMinorVersion < 90 )
|
||
|
|
{
|
||
|
|
_glfwLibrary.Sys.WinVer = _GLFW_WIN_98;
|
||
|
|
}
|
||
|
|
else if( osi.dwMajorVersion == 4 && osi.dwMinorVersion == 90 )
|
||
|
|
{
|
||
|
|
_glfwLibrary.Sys.WinVer = _GLFW_WIN_ME;
|
||
|
|
}
|
||
|
|
else if( osi.dwMajorVersion >= 4 )
|
||
|
|
{
|
||
|
|
_glfwLibrary.Sys.WinVer = _GLFW_WIN_UNKNOWN_9x;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if( osi.dwPlatformId == VER_PLATFORM_WIN32_NT )
|
||
|
|
{
|
||
|
|
if( osi.dwMajorVersion == 4 && osi.dwMinorVersion == 0 )
|
||
|
|
{
|
||
|
|
_glfwLibrary.Sys.WinVer = _GLFW_WIN_NT4;
|
||
|
|
}
|
||
|
|
else if( osi.dwMajorVersion == 5 && osi.dwMinorVersion == 0 )
|
||
|
|
{
|
||
|
|
_glfwLibrary.Sys.WinVer = _GLFW_WIN_2K;
|
||
|
|
}
|
||
|
|
else if( osi.dwMajorVersion == 5 && osi.dwMinorVersion == 1 )
|
||
|
|
{
|
||
|
|
_glfwLibrary.Sys.WinVer = _GLFW_WIN_XP;
|
||
|
|
}
|
||
|
|
else if( osi.dwMajorVersion == 5 && osi.dwMinorVersion == 2 )
|
||
|
|
{
|
||
|
|
_glfwLibrary.Sys.WinVer = _GLFW_WIN_NET_SERVER;
|
||
|
|
}
|
||
|
|
else if( osi.dwMajorVersion >= 5 )
|
||
|
|
{
|
||
|
|
_glfwLibrary.Sys.WinVer = _GLFW_WIN_UNKNOWN_NT;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Do we have Unicode support?
|
||
|
|
if( _glfwLibrary.Sys.WinVer >= _GLFW_WIN_NT4 )
|
||
|
|
{
|
||
|
|
// Windows NT/2000/XP/.NET has Unicode support
|
||
|
|
_glfwLibrary.Sys.HasUnicode = GL_TRUE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// Windows 9x/ME does not have Unicode support
|
||
|
|
_glfwLibrary.Sys.HasUnicode = GL_FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
_glfwWin.ChoosePixelFormat = NULL;
|
||
|
|
_glfwWin.GetPixelFormatAttribiv = NULL;
|
||
|
|
|
||
|
|
// Load libraries (DLLs)
|
||
|
|
if( !_glfwInitLibraries() )
|
||
|
|
{
|
||
|
|
return GL_FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
// With the Borland C++ compiler, we want to disable FPU exceptions
|
||
|
|
// (this is recommended for OpenGL applications under Windows)
|
||
|
|
#ifdef __BORLANDC__
|
||
|
|
_control87( MCW_EM, MCW_EM );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// System keys are not disabled
|
||
|
|
_glfwWin.KeyboardHook = NULL;
|
||
|
|
|
||
|
|
// Initialise thread package
|
||
|
|
_glfwInitThreads();
|
||
|
|
|
||
|
|
// Install atexit() routine
|
||
|
|
atexit( _glfwTerminate_atexit );
|
||
|
|
|
||
|
|
// Start the timer
|
||
|
|
_glfwInitTimer();
|
||
|
|
|
||
|
|
return GL_TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//========================================================================
|
||
|
|
// _glfwPlatformTerminate() - Close window and kill all threads
|
||
|
|
//========================================================================
|
||
|
|
|
||
|
|
int _glfwPlatformTerminate( void )
|
||
|
|
{
|
||
|
|
// Only the main thread is allowed to do this...
|
||
|
|
if( GetCurrentThreadId() != _glfwThrd.First.WinID )
|
||
|
|
{
|
||
|
|
return GL_FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Close OpenGL window
|
||
|
|
glfwCloseWindow();
|
||
|
|
|
||
|
|
// Kill thread package
|
||
|
|
_glfwTerminateThreads();
|
||
|
|
|
||
|
|
// Enable system keys again (if they were disabled)
|
||
|
|
glfwEnable( GLFW_SYSTEM_KEYS );
|
||
|
|
|
||
|
|
// Unload libraries (DLLs)
|
||
|
|
_glfwFreeLibraries();
|
||
|
|
|
||
|
|
// Restore FOREGROUNDLOCKTIMEOUT system setting
|
||
|
|
SystemParametersInfo( SPI_SETFOREGROUNDLOCKTIMEOUT, 0,
|
||
|
|
(LPVOID)_glfwLibrary.Sys.ForegroundLockTimeout,
|
||
|
|
SPIF_SENDCHANGE );
|
||
|
|
|
||
|
|
return GL_TRUE;
|
||
|
|
}
|
||
|
|
|