mirror of https://github.com/ioquake/ioq3.git
1659 lines
39 KiB
C
1659 lines
39 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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/*
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** WIN_GLIMP.C
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**
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** This file contains ALL Win32 specific stuff having to do with the
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** OpenGL refresh. When a port is being made the following functions
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** must be implemented by the port:
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**
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** GLimp_EndFrame
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** GLimp_Init
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** GLimp_LogComment
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** GLimp_Shutdown
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**
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** Note that the GLW_xxx functions are Windows specific GL-subsystem
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** related functions that are relevant ONLY to win_glimp.c
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*/
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#include <assert.h>
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#include "../renderer/tr_local.h"
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#include "../qcommon/qcommon.h"
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#include "resource.h"
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#include "glw_win.h"
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#include "win_local.h"
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extern void WG_CheckHardwareGamma( void );
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extern void WG_RestoreGamma( void );
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typedef enum {
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RSERR_OK,
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RSERR_INVALID_FULLSCREEN,
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RSERR_INVALID_MODE,
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RSERR_UNKNOWN
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} rserr_t;
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#define TRY_PFD_SUCCESS 0
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#define TRY_PFD_FAIL_SOFT 1
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#define TRY_PFD_FAIL_HARD 2
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#define WINDOW_CLASS_NAME "Quake 3: Arena"
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static void GLW_InitExtensions( void );
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static rserr_t GLW_SetMode( const char *drivername,
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int mode,
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int colorbits,
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qboolean cdsFullscreen );
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static qboolean s_classRegistered = qfalse;
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//
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// function declaration
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//
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void QGL_EnableLogging( qboolean enable );
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qboolean QGL_Init( const char *dllname );
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void QGL_Shutdown( void );
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//
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// variable declarations
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//
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glwstate_t glw_state;
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cvar_t *r_allowSoftwareGL; // don't abort out if the pixelformat claims software
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cvar_t *r_maskMinidriver; // allow a different dll name to be treated as if it were opengl32.dll
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/*
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** GLW_StartDriverAndSetMode
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*/
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static qboolean GLW_StartDriverAndSetMode( const char *drivername,
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int mode,
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int colorbits,
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qboolean cdsFullscreen )
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{
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rserr_t err;
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err = GLW_SetMode( drivername, r_mode->integer, colorbits, cdsFullscreen );
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switch ( err )
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{
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case RSERR_INVALID_FULLSCREEN:
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ri.Printf( PRINT_ALL, "...WARNING: fullscreen unavailable in this mode\n" );
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return qfalse;
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case RSERR_INVALID_MODE:
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ri.Printf( PRINT_ALL, "...WARNING: could not set the given mode (%d)\n", mode );
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return qfalse;
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default:
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break;
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}
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return qtrue;
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}
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/*
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** ChoosePFD
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**
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** Helper function that replaces ChoosePixelFormat.
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*/
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#define MAX_PFDS 256
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static int GLW_ChoosePFD( HDC hDC, PIXELFORMATDESCRIPTOR *pPFD )
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{
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PIXELFORMATDESCRIPTOR pfds[MAX_PFDS+1];
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int maxPFD = 0;
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int i;
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int bestMatch = 0;
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ri.Printf( PRINT_ALL, "...GLW_ChoosePFD( %d, %d, %d )\n", ( int ) pPFD->cColorBits, ( int ) pPFD->cDepthBits, ( int ) pPFD->cStencilBits );
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// count number of PFDs
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if ( glConfig.driverType > GLDRV_ICD )
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{
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maxPFD = qwglDescribePixelFormat( hDC, 1, sizeof( PIXELFORMATDESCRIPTOR ), &pfds[0] );
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}
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else
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{
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maxPFD = DescribePixelFormat( hDC, 1, sizeof( PIXELFORMATDESCRIPTOR ), &pfds[0] );
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}
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if ( maxPFD > MAX_PFDS )
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{
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ri.Printf( PRINT_WARNING, "...numPFDs > MAX_PFDS (%d > %d)\n", maxPFD, MAX_PFDS );
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maxPFD = MAX_PFDS;
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}
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ri.Printf( PRINT_ALL, "...%d PFDs found\n", maxPFD - 1 );
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// grab information
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for ( i = 1; i <= maxPFD; i++ )
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{
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if ( glConfig.driverType > GLDRV_ICD )
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{
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qwglDescribePixelFormat( hDC, i, sizeof( PIXELFORMATDESCRIPTOR ), &pfds[i] );
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}
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else
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{
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DescribePixelFormat( hDC, i, sizeof( PIXELFORMATDESCRIPTOR ), &pfds[i] );
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}
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}
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// look for a best match
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for ( i = 1; i <= maxPFD; i++ )
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{
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//
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// make sure this has hardware acceleration
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//
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if ( ( pfds[i].dwFlags & PFD_GENERIC_FORMAT ) != 0 )
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{
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if ( !r_allowSoftwareGL->integer )
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{
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if ( r_verbose->integer )
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{
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ri.Printf( PRINT_ALL, "...PFD %d rejected, software acceleration\n", i );
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}
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continue;
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}
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}
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// verify pixel type
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if ( pfds[i].iPixelType != PFD_TYPE_RGBA )
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{
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if ( r_verbose->integer )
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{
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ri.Printf( PRINT_ALL, "...PFD %d rejected, not RGBA\n", i );
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}
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continue;
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}
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// verify proper flags
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if ( ( ( pfds[i].dwFlags & pPFD->dwFlags ) & pPFD->dwFlags ) != pPFD->dwFlags )
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{
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if ( r_verbose->integer )
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{
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ri.Printf( PRINT_ALL, "...PFD %d rejected, improper flags (%x instead of %x)\n", i, pfds[i].dwFlags, pPFD->dwFlags );
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}
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continue;
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}
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// verify enough bits
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if ( pfds[i].cDepthBits < 15 )
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{
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continue;
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}
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if ( ( pfds[i].cStencilBits < 4 ) && ( pPFD->cStencilBits > 0 ) )
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{
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continue;
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}
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//
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// selection criteria (in order of priority):
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//
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// PFD_STEREO
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// colorBits
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// depthBits
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// stencilBits
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//
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if ( bestMatch )
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{
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// check stereo
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if ( ( pfds[i].dwFlags & PFD_STEREO ) && ( !( pfds[bestMatch].dwFlags & PFD_STEREO ) ) && ( pPFD->dwFlags & PFD_STEREO ) )
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{
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bestMatch = i;
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continue;
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}
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if ( !( pfds[i].dwFlags & PFD_STEREO ) && ( pfds[bestMatch].dwFlags & PFD_STEREO ) && ( pPFD->dwFlags & PFD_STEREO ) )
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{
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bestMatch = i;
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continue;
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}
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// check color
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if ( pfds[bestMatch].cColorBits != pPFD->cColorBits )
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{
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// prefer perfect match
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if ( pfds[i].cColorBits == pPFD->cColorBits )
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{
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bestMatch = i;
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continue;
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}
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// otherwise if this PFD has more bits than our best, use it
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else if ( pfds[i].cColorBits > pfds[bestMatch].cColorBits )
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{
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bestMatch = i;
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continue;
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}
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}
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// check depth
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if ( pfds[bestMatch].cDepthBits != pPFD->cDepthBits )
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{
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// prefer perfect match
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if ( pfds[i].cDepthBits == pPFD->cDepthBits )
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{
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bestMatch = i;
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continue;
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}
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// otherwise if this PFD has more bits than our best, use it
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else if ( pfds[i].cDepthBits > pfds[bestMatch].cDepthBits )
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{
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bestMatch = i;
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continue;
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}
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}
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// check stencil
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if ( pfds[bestMatch].cStencilBits != pPFD->cStencilBits )
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{
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// prefer perfect match
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if ( pfds[i].cStencilBits == pPFD->cStencilBits )
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{
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bestMatch = i;
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continue;
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}
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// otherwise if this PFD has more bits than our best, use it
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else if ( ( pfds[i].cStencilBits > pfds[bestMatch].cStencilBits ) &&
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( pPFD->cStencilBits > 0 ) )
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{
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bestMatch = i;
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continue;
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}
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}
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}
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else
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{
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bestMatch = i;
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}
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}
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if ( !bestMatch )
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return 0;
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if ( ( pfds[bestMatch].dwFlags & PFD_GENERIC_FORMAT ) != 0 )
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{
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if ( !r_allowSoftwareGL->integer )
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{
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ri.Printf( PRINT_ALL, "...no hardware acceleration found\n" );
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return 0;
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}
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else
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{
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ri.Printf( PRINT_ALL, "...using software emulation\n" );
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}
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}
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else if ( pfds[bestMatch].dwFlags & PFD_GENERIC_ACCELERATED )
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{
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ri.Printf( PRINT_ALL, "...MCD acceleration found\n" );
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}
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else
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{
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ri.Printf( PRINT_ALL, "...hardware acceleration found\n" );
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}
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*pPFD = pfds[bestMatch];
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return bestMatch;
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}
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/*
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** void GLW_CreatePFD
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**
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** Helper function zeros out then fills in a PFD
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*/
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static void GLW_CreatePFD( PIXELFORMATDESCRIPTOR *pPFD, int colorbits, int depthbits, int stencilbits, qboolean stereo )
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{
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PIXELFORMATDESCRIPTOR src =
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{
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sizeof(PIXELFORMATDESCRIPTOR), // size of this pfd
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1, // version number
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PFD_DRAW_TO_WINDOW | // support window
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PFD_SUPPORT_OPENGL | // support OpenGL
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PFD_DOUBLEBUFFER, // double buffered
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PFD_TYPE_RGBA, // RGBA type
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24, // 24-bit color depth
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0, 0, 0, 0, 0, 0, // color bits ignored
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0, // no alpha buffer
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0, // shift bit ignored
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0, // no accumulation buffer
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0, 0, 0, 0, // accum bits ignored
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24, // 24-bit z-buffer
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8, // 8-bit stencil buffer
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0, // no auxiliary buffer
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PFD_MAIN_PLANE, // main layer
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0, // reserved
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0, 0, 0 // layer masks ignored
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};
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src.cColorBits = colorbits;
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src.cDepthBits = depthbits;
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src.cStencilBits = stencilbits;
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if ( stereo )
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{
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ri.Printf( PRINT_ALL, "...attempting to use stereo\n" );
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src.dwFlags |= PFD_STEREO;
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glConfig.stereoEnabled = qtrue;
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}
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else
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{
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glConfig.stereoEnabled = qfalse;
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}
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*pPFD = src;
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}
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/*
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** GLW_MakeContext
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*/
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static int GLW_MakeContext( PIXELFORMATDESCRIPTOR *pPFD )
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{
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int pixelformat;
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//
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// don't putz around with pixelformat if it's already set (e.g. this is a soft
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// reset of the graphics system)
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//
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if ( !glw_state.pixelFormatSet )
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{
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//
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// choose, set, and describe our desired pixel format. If we're
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// using a minidriver then we need to bypass the GDI functions,
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// otherwise use the GDI functions.
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//
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if ( ( pixelformat = GLW_ChoosePFD( glw_state.hDC, pPFD ) ) == 0 )
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{
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ri.Printf( PRINT_ALL, "...GLW_ChoosePFD failed\n");
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return TRY_PFD_FAIL_SOFT;
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}
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ri.Printf( PRINT_ALL, "...PIXELFORMAT %d selected\n", pixelformat );
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if ( glConfig.driverType > GLDRV_ICD )
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{
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qwglDescribePixelFormat( glw_state.hDC, pixelformat, sizeof( *pPFD ), pPFD );
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if ( qwglSetPixelFormat( glw_state.hDC, pixelformat, pPFD ) == FALSE )
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{
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ri.Printf ( PRINT_ALL, "...qwglSetPixelFormat failed\n");
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return TRY_PFD_FAIL_SOFT;
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}
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}
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else
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{
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DescribePixelFormat( glw_state.hDC, pixelformat, sizeof( *pPFD ), pPFD );
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if ( SetPixelFormat( glw_state.hDC, pixelformat, pPFD ) == FALSE )
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{
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ri.Printf (PRINT_ALL, "...SetPixelFormat failed\n", glw_state.hDC );
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return TRY_PFD_FAIL_SOFT;
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}
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}
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glw_state.pixelFormatSet = qtrue;
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}
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|
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//
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// startup the OpenGL subsystem by creating a context and making it current
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//
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if ( !glw_state.hGLRC )
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{
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ri.Printf( PRINT_ALL, "...creating GL context: " );
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if ( ( glw_state.hGLRC = qwglCreateContext( glw_state.hDC ) ) == 0 )
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{
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ri.Printf (PRINT_ALL, "failed\n");
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return TRY_PFD_FAIL_HARD;
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}
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ri.Printf( PRINT_ALL, "succeeded\n" );
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ri.Printf( PRINT_ALL, "...making context current: " );
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if ( !qwglMakeCurrent( glw_state.hDC, glw_state.hGLRC ) )
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{
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qwglDeleteContext( glw_state.hGLRC );
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glw_state.hGLRC = NULL;
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ri.Printf (PRINT_ALL, "failed\n");
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return TRY_PFD_FAIL_HARD;
|
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}
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ri.Printf( PRINT_ALL, "succeeded\n" );
|
|
}
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|
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return TRY_PFD_SUCCESS;
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}
|
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|
|
|
|
/*
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|
** GLW_InitDriver
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**
|
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** - get a DC if one doesn't exist
|
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** - create an HGLRC if one doesn't exist
|
|
*/
|
|
static qboolean GLW_InitDriver( const char *drivername, int colorbits )
|
|
{
|
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int tpfd;
|
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int depthbits, stencilbits;
|
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static PIXELFORMATDESCRIPTOR pfd; // save between frames since 'tr' gets cleared
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|
|
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ri.Printf( PRINT_ALL, "Initializing OpenGL driver\n" );
|
|
|
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//
|
|
// get a DC for our window if we don't already have one allocated
|
|
//
|
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if ( glw_state.hDC == NULL )
|
|
{
|
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ri.Printf( PRINT_ALL, "...getting DC: " );
|
|
|
|
if ( ( glw_state.hDC = GetDC( g_wv.hWnd ) ) == NULL )
|
|
{
|
|
ri.Printf( PRINT_ALL, "failed\n" );
|
|
return qfalse;
|
|
}
|
|
ri.Printf( PRINT_ALL, "succeeded\n" );
|
|
}
|
|
|
|
if ( colorbits == 0 )
|
|
{
|
|
colorbits = glw_state.desktopBitsPixel;
|
|
}
|
|
|
|
//
|
|
// implicitly assume Z-buffer depth == desktop color depth
|
|
//
|
|
if ( r_depthbits->integer == 0 ) {
|
|
if ( colorbits > 16 ) {
|
|
depthbits = 24;
|
|
} else {
|
|
depthbits = 16;
|
|
}
|
|
} else {
|
|
depthbits = r_depthbits->integer;
|
|
}
|
|
|
|
//
|
|
// do not allow stencil if Z-buffer depth likely won't contain it
|
|
//
|
|
stencilbits = r_stencilbits->integer;
|
|
if ( depthbits < 24 )
|
|
{
|
|
stencilbits = 0;
|
|
}
|
|
|
|
//
|
|
// make two attempts to set the PIXELFORMAT
|
|
//
|
|
|
|
//
|
|
// first attempt: r_colorbits, depthbits, and r_stencilbits
|
|
//
|
|
if ( !glw_state.pixelFormatSet )
|
|
{
|
|
GLW_CreatePFD( &pfd, colorbits, depthbits, stencilbits, r_stereo->integer );
|
|
if ( ( tpfd = GLW_MakeContext( &pfd ) ) != TRY_PFD_SUCCESS )
|
|
{
|
|
if ( tpfd == TRY_PFD_FAIL_HARD )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "...failed hard\n" );
|
|
return qfalse;
|
|
}
|
|
|
|
//
|
|
// punt if we've already tried the desktop bit depth and no stencil bits
|
|
//
|
|
if ( ( r_colorbits->integer == glw_state.desktopBitsPixel ) &&
|
|
( stencilbits == 0 ) )
|
|
{
|
|
ReleaseDC( g_wv.hWnd, glw_state.hDC );
|
|
glw_state.hDC = NULL;
|
|
|
|
ri.Printf( PRINT_ALL, "...failed to find an appropriate PIXELFORMAT\n" );
|
|
|
|
return qfalse;
|
|
}
|
|
|
|
//
|
|
// second attempt: desktop's color bits and no stencil
|
|
//
|
|
if ( colorbits > glw_state.desktopBitsPixel )
|
|
{
|
|
colorbits = glw_state.desktopBitsPixel;
|
|
}
|
|
GLW_CreatePFD( &pfd, colorbits, depthbits, 0, r_stereo->integer );
|
|
if ( GLW_MakeContext( &pfd ) != TRY_PFD_SUCCESS )
|
|
{
|
|
if ( glw_state.hDC )
|
|
{
|
|
ReleaseDC( g_wv.hWnd, glw_state.hDC );
|
|
glw_state.hDC = NULL;
|
|
}
|
|
|
|
ri.Printf( PRINT_ALL, "...failed to find an appropriate PIXELFORMAT\n" );
|
|
|
|
return qfalse;
|
|
}
|
|
}
|
|
|
|
/*
|
|
** report if stereo is desired but unavailable
|
|
*/
|
|
if ( !( pfd.dwFlags & PFD_STEREO ) && ( r_stereo->integer != 0 ) )
|
|
{
|
|
ri.Printf( PRINT_ALL, "...failed to select stereo pixel format\n" );
|
|
glConfig.stereoEnabled = qfalse;
|
|
}
|
|
}
|
|
|
|
/*
|
|
** store PFD specifics
|
|
*/
|
|
glConfig.colorBits = ( int ) pfd.cColorBits;
|
|
glConfig.depthBits = ( int ) pfd.cDepthBits;
|
|
glConfig.stencilBits = ( int ) pfd.cStencilBits;
|
|
|
|
return qtrue;
|
|
}
|
|
|
|
/*
|
|
** GLW_CreateWindow
|
|
**
|
|
** Responsible for creating the Win32 window and initializing the OpenGL driver.
|
|
*/
|
|
#define WINDOW_STYLE (WS_OVERLAPPED|WS_BORDER|WS_CAPTION|WS_VISIBLE)
|
|
static qboolean GLW_CreateWindow( const char *drivername, int width, int height, int colorbits, qboolean cdsFullscreen )
|
|
{
|
|
RECT r;
|
|
cvar_t *vid_xpos, *vid_ypos;
|
|
int stylebits;
|
|
int x, y, w, h;
|
|
int exstyle;
|
|
|
|
//
|
|
// register the window class if necessary
|
|
//
|
|
if ( !s_classRegistered )
|
|
{
|
|
WNDCLASS wc;
|
|
|
|
memset( &wc, 0, sizeof( wc ) );
|
|
|
|
wc.style = 0;
|
|
wc.lpfnWndProc = (WNDPROC) glw_state.wndproc;
|
|
wc.cbClsExtra = 0;
|
|
wc.cbWndExtra = 0;
|
|
wc.hInstance = g_wv.hInstance;
|
|
wc.hIcon = LoadIcon( g_wv.hInstance, MAKEINTRESOURCE(IDI_ICON1));
|
|
wc.hCursor = LoadCursor (NULL,IDC_ARROW);
|
|
wc.hbrBackground = (void *)COLOR_GRAYTEXT;
|
|
wc.lpszMenuName = 0;
|
|
wc.lpszClassName = WINDOW_CLASS_NAME;
|
|
|
|
if ( !RegisterClass( &wc ) )
|
|
{
|
|
ri.Error( ERR_FATAL, "GLW_CreateWindow: could not register window class" );
|
|
}
|
|
s_classRegistered = qtrue;
|
|
ri.Printf( PRINT_ALL, "...registered window class\n" );
|
|
}
|
|
|
|
//
|
|
// create the HWND if one does not already exist
|
|
//
|
|
if ( !g_wv.hWnd )
|
|
{
|
|
//
|
|
// compute width and height
|
|
//
|
|
r.left = 0;
|
|
r.top = 0;
|
|
r.right = width;
|
|
r.bottom = height;
|
|
|
|
if ( cdsFullscreen || !Q_stricmp( _3DFX_DRIVER_NAME, drivername ) )
|
|
{
|
|
exstyle = WS_EX_TOPMOST;
|
|
stylebits = WS_POPUP|WS_VISIBLE|WS_SYSMENU;
|
|
}
|
|
else
|
|
{
|
|
exstyle = 0;
|
|
stylebits = WINDOW_STYLE|WS_SYSMENU;
|
|
AdjustWindowRect (&r, stylebits, FALSE);
|
|
}
|
|
|
|
w = r.right - r.left;
|
|
h = r.bottom - r.top;
|
|
|
|
if ( cdsFullscreen || !Q_stricmp( _3DFX_DRIVER_NAME, drivername ) )
|
|
{
|
|
x = 0;
|
|
y = 0;
|
|
}
|
|
else
|
|
{
|
|
vid_xpos = ri.Cvar_Get ("vid_xpos", "", 0);
|
|
vid_ypos = ri.Cvar_Get ("vid_ypos", "", 0);
|
|
x = vid_xpos->integer;
|
|
y = vid_ypos->integer;
|
|
|
|
// adjust window coordinates if necessary
|
|
// so that the window is completely on screen
|
|
if ( x < 0 )
|
|
x = 0;
|
|
if ( y < 0 )
|
|
y = 0;
|
|
|
|
if ( w < glw_state.desktopWidth &&
|
|
h < glw_state.desktopHeight )
|
|
{
|
|
if ( x + w > glw_state.desktopWidth )
|
|
x = ( glw_state.desktopWidth - w );
|
|
if ( y + h > glw_state.desktopHeight )
|
|
y = ( glw_state.desktopHeight - h );
|
|
}
|
|
}
|
|
|
|
g_wv.hWnd = CreateWindowEx (
|
|
exstyle,
|
|
WINDOW_CLASS_NAME,
|
|
"Quake 3: Arena",
|
|
stylebits,
|
|
x, y, w, h,
|
|
NULL,
|
|
NULL,
|
|
g_wv.hInstance,
|
|
NULL);
|
|
|
|
if ( !g_wv.hWnd )
|
|
{
|
|
ri.Error (ERR_FATAL, "GLW_CreateWindow() - Couldn't create window");
|
|
}
|
|
|
|
ShowWindow( g_wv.hWnd, SW_SHOW );
|
|
UpdateWindow( g_wv.hWnd );
|
|
ri.Printf( PRINT_ALL, "...created window@%d,%d (%dx%d)\n", x, y, w, h );
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "...window already present, CreateWindowEx skipped\n" );
|
|
}
|
|
|
|
if ( !GLW_InitDriver( drivername, colorbits ) )
|
|
{
|
|
ShowWindow( g_wv.hWnd, SW_HIDE );
|
|
DestroyWindow( g_wv.hWnd );
|
|
g_wv.hWnd = NULL;
|
|
|
|
return qfalse;
|
|
}
|
|
|
|
SetForegroundWindow( g_wv.hWnd );
|
|
SetFocus( g_wv.hWnd );
|
|
|
|
return qtrue;
|
|
}
|
|
|
|
static void PrintCDSError( int value )
|
|
{
|
|
switch ( value )
|
|
{
|
|
case DISP_CHANGE_RESTART:
|
|
ri.Printf( PRINT_ALL, "restart required\n" );
|
|
break;
|
|
case DISP_CHANGE_BADPARAM:
|
|
ri.Printf( PRINT_ALL, "bad param\n" );
|
|
break;
|
|
case DISP_CHANGE_BADFLAGS:
|
|
ri.Printf( PRINT_ALL, "bad flags\n" );
|
|
break;
|
|
case DISP_CHANGE_FAILED:
|
|
ri.Printf( PRINT_ALL, "DISP_CHANGE_FAILED\n" );
|
|
break;
|
|
case DISP_CHANGE_BADMODE:
|
|
ri.Printf( PRINT_ALL, "bad mode\n" );
|
|
break;
|
|
case DISP_CHANGE_NOTUPDATED:
|
|
ri.Printf( PRINT_ALL, "not updated\n" );
|
|
break;
|
|
default:
|
|
ri.Printf( PRINT_ALL, "unknown error %d\n", value );
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
** GLW_SetMode
|
|
*/
|
|
static rserr_t GLW_SetMode( const char *drivername,
|
|
int mode,
|
|
int colorbits,
|
|
qboolean cdsFullscreen )
|
|
{
|
|
HDC hDC;
|
|
const char *win_fs[] = { "W", "FS" };
|
|
int cdsRet;
|
|
DEVMODE dm;
|
|
|
|
//
|
|
// print out informational messages
|
|
//
|
|
ri.Printf( PRINT_ALL, "...setting mode %d:", mode );
|
|
if ( !R_GetModeInfo( &glConfig.vidWidth, &glConfig.vidHeight, &glConfig.windowAspect, mode ) )
|
|
{
|
|
ri.Printf( PRINT_ALL, " invalid mode\n" );
|
|
return RSERR_INVALID_MODE;
|
|
}
|
|
ri.Printf( PRINT_ALL, " %d %d %s\n", glConfig.vidWidth, glConfig.vidHeight, win_fs[cdsFullscreen] );
|
|
|
|
//
|
|
// check our desktop attributes
|
|
//
|
|
hDC = GetDC( GetDesktopWindow() );
|
|
glw_state.desktopBitsPixel = GetDeviceCaps( hDC, BITSPIXEL );
|
|
glw_state.desktopWidth = GetDeviceCaps( hDC, HORZRES );
|
|
glw_state.desktopHeight = GetDeviceCaps( hDC, VERTRES );
|
|
ReleaseDC( GetDesktopWindow(), hDC );
|
|
|
|
//
|
|
// verify desktop bit depth
|
|
//
|
|
if ( glConfig.driverType != GLDRV_VOODOO )
|
|
{
|
|
if ( glw_state.desktopBitsPixel < 15 || glw_state.desktopBitsPixel == 24 )
|
|
{
|
|
if ( colorbits == 0 || ( !cdsFullscreen && colorbits >= 15 ) )
|
|
{
|
|
if ( MessageBox( NULL,
|
|
"It is highly unlikely that a correct\n"
|
|
"windowed display can be initialized with\n"
|
|
"the current desktop display depth. Select\n"
|
|
"'OK' to try anyway. Press 'Cancel' if you\n"
|
|
"have a 3Dfx Voodoo, Voodoo-2, or Voodoo Rush\n"
|
|
"3D accelerator installed, or if you otherwise\n"
|
|
"wish to quit.",
|
|
"Low Desktop Color Depth",
|
|
MB_OKCANCEL | MB_ICONEXCLAMATION ) != IDOK )
|
|
{
|
|
return RSERR_INVALID_MODE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// do a CDS if needed
|
|
if ( cdsFullscreen )
|
|
{
|
|
memset( &dm, 0, sizeof( dm ) );
|
|
|
|
dm.dmSize = sizeof( dm );
|
|
|
|
dm.dmPelsWidth = glConfig.vidWidth;
|
|
dm.dmPelsHeight = glConfig.vidHeight;
|
|
dm.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
|
|
|
|
if ( r_displayRefresh->integer != 0 )
|
|
{
|
|
dm.dmDisplayFrequency = r_displayRefresh->integer;
|
|
dm.dmFields |= DM_DISPLAYFREQUENCY;
|
|
}
|
|
|
|
// try to change color depth if possible
|
|
if ( colorbits != 0 )
|
|
{
|
|
if ( glw_state.allowdisplaydepthchange )
|
|
{
|
|
dm.dmBitsPerPel = colorbits;
|
|
dm.dmFields |= DM_BITSPERPEL;
|
|
ri.Printf( PRINT_ALL, "...using colorsbits of %d\n", colorbits );
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "WARNING:...changing depth not supported on Win95 < pre-OSR 2.x\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "...using desktop display depth of %d\n", glw_state.desktopBitsPixel );
|
|
}
|
|
|
|
//
|
|
// if we're already in fullscreen then just create the window
|
|
//
|
|
if ( glw_state.cdsFullscreen )
|
|
{
|
|
ri.Printf( PRINT_ALL, "...already fullscreen, avoiding redundant CDS\n" );
|
|
|
|
if ( !GLW_CreateWindow ( drivername, glConfig.vidWidth, glConfig.vidHeight, colorbits, qtrue ) )
|
|
{
|
|
ri.Printf( PRINT_ALL, "...restoring display settings\n" );
|
|
ChangeDisplaySettings( 0, 0 );
|
|
return RSERR_INVALID_MODE;
|
|
}
|
|
}
|
|
//
|
|
// need to call CDS
|
|
//
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "...calling CDS: " );
|
|
|
|
// try setting the exact mode requested, because some drivers don't report
|
|
// the low res modes in EnumDisplaySettings, but still work
|
|
if ( ( cdsRet = ChangeDisplaySettings( &dm, CDS_FULLSCREEN ) ) == DISP_CHANGE_SUCCESSFUL )
|
|
{
|
|
ri.Printf( PRINT_ALL, "ok\n" );
|
|
|
|
if ( !GLW_CreateWindow ( drivername, glConfig.vidWidth, glConfig.vidHeight, colorbits, qtrue) )
|
|
{
|
|
ri.Printf( PRINT_ALL, "...restoring display settings\n" );
|
|
ChangeDisplaySettings( 0, 0 );
|
|
return RSERR_INVALID_MODE;
|
|
}
|
|
|
|
glw_state.cdsFullscreen = qtrue;
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// the exact mode failed, so scan EnumDisplaySettings for the next largest mode
|
|
//
|
|
DEVMODE devmode;
|
|
int modeNum;
|
|
|
|
ri.Printf( PRINT_ALL, "failed, " );
|
|
|
|
PrintCDSError( cdsRet );
|
|
|
|
ri.Printf( PRINT_ALL, "...trying next higher resolution:" );
|
|
|
|
// we could do a better matching job here...
|
|
for ( modeNum = 0 ; ; modeNum++ ) {
|
|
if ( !EnumDisplaySettings( NULL, modeNum, &devmode ) ) {
|
|
modeNum = -1;
|
|
break;
|
|
}
|
|
if ( devmode.dmPelsWidth >= glConfig.vidWidth
|
|
&& devmode.dmPelsHeight >= glConfig.vidHeight
|
|
&& devmode.dmBitsPerPel >= 15 ) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( modeNum != -1 && ( cdsRet = ChangeDisplaySettings( &devmode, CDS_FULLSCREEN ) ) == DISP_CHANGE_SUCCESSFUL )
|
|
{
|
|
ri.Printf( PRINT_ALL, " ok\n" );
|
|
if ( !GLW_CreateWindow( drivername, glConfig.vidWidth, glConfig.vidHeight, colorbits, qtrue) )
|
|
{
|
|
ri.Printf( PRINT_ALL, "...restoring display settings\n" );
|
|
ChangeDisplaySettings( 0, 0 );
|
|
return RSERR_INVALID_MODE;
|
|
}
|
|
|
|
glw_state.cdsFullscreen = qtrue;
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, " failed, " );
|
|
|
|
PrintCDSError( cdsRet );
|
|
|
|
ri.Printf( PRINT_ALL, "...restoring display settings\n" );
|
|
ChangeDisplaySettings( 0, 0 );
|
|
|
|
glw_state.cdsFullscreen = qfalse;
|
|
glConfig.isFullscreen = qfalse;
|
|
if ( !GLW_CreateWindow( drivername, glConfig.vidWidth, glConfig.vidHeight, colorbits, qfalse) )
|
|
{
|
|
return RSERR_INVALID_MODE;
|
|
}
|
|
return RSERR_INVALID_FULLSCREEN;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ( glw_state.cdsFullscreen )
|
|
{
|
|
ChangeDisplaySettings( 0, 0 );
|
|
}
|
|
|
|
glw_state.cdsFullscreen = qfalse;
|
|
if ( !GLW_CreateWindow( drivername, glConfig.vidWidth, glConfig.vidHeight, colorbits, qfalse ) )
|
|
{
|
|
return RSERR_INVALID_MODE;
|
|
}
|
|
}
|
|
|
|
//
|
|
// success, now check display frequency, although this won't be valid on Voodoo(2)
|
|
//
|
|
memset( &dm, 0, sizeof( dm ) );
|
|
dm.dmSize = sizeof( dm );
|
|
if ( EnumDisplaySettings( NULL, ENUM_CURRENT_SETTINGS, &dm ) )
|
|
{
|
|
glConfig.displayFrequency = dm.dmDisplayFrequency;
|
|
}
|
|
|
|
// NOTE: this is overridden later on standalone 3Dfx drivers
|
|
glConfig.isFullscreen = cdsFullscreen;
|
|
|
|
return RSERR_OK;
|
|
}
|
|
|
|
/*
|
|
** GLW_InitExtensions
|
|
*/
|
|
static void GLW_InitExtensions( void )
|
|
{
|
|
if ( !r_allowExtensions->integer )
|
|
{
|
|
ri.Printf( PRINT_ALL, "*** IGNORING OPENGL EXTENSIONS ***\n" );
|
|
return;
|
|
}
|
|
|
|
ri.Printf( PRINT_ALL, "Initializing OpenGL extensions\n" );
|
|
|
|
// GL_S3_s3tc
|
|
glConfig.textureCompression = TC_NONE;
|
|
if ( strstr( glConfig.extensions_string, "GL_S3_s3tc" ) )
|
|
{
|
|
if ( r_ext_compressed_textures->integer )
|
|
{
|
|
glConfig.textureCompression = TC_S3TC;
|
|
ri.Printf( PRINT_ALL, "...using GL_S3_s3tc\n" );
|
|
}
|
|
else
|
|
{
|
|
glConfig.textureCompression = TC_NONE;
|
|
ri.Printf( PRINT_ALL, "...ignoring GL_S3_s3tc\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "...GL_S3_s3tc not found\n" );
|
|
}
|
|
|
|
// GL_EXT_texture_env_add
|
|
glConfig.textureEnvAddAvailable = qfalse;
|
|
if ( strstr( glConfig.extensions_string, "EXT_texture_env_add" ) )
|
|
{
|
|
if ( r_ext_texture_env_add->integer )
|
|
{
|
|
glConfig.textureEnvAddAvailable = qtrue;
|
|
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_env_add\n" );
|
|
}
|
|
else
|
|
{
|
|
glConfig.textureEnvAddAvailable = qfalse;
|
|
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_env_add\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "...GL_EXT_texture_env_add not found\n" );
|
|
}
|
|
|
|
// WGL_EXT_swap_control
|
|
qwglSwapIntervalEXT = ( BOOL (WINAPI *)(int)) qwglGetProcAddress( "wglSwapIntervalEXT" );
|
|
if ( qwglSwapIntervalEXT )
|
|
{
|
|
ri.Printf( PRINT_ALL, "...using WGL_EXT_swap_control\n" );
|
|
r_swapInterval->modified = qtrue; // force a set next frame
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "...WGL_EXT_swap_control not found\n" );
|
|
}
|
|
|
|
// GL_ARB_multitexture
|
|
qglMultiTexCoord2fARB = NULL;
|
|
qglActiveTextureARB = NULL;
|
|
qglClientActiveTextureARB = NULL;
|
|
if ( strstr( glConfig.extensions_string, "GL_ARB_multitexture" ) )
|
|
{
|
|
if ( r_ext_multitexture->integer )
|
|
{
|
|
qglMultiTexCoord2fARB = ( PFNGLMULTITEXCOORD2FARBPROC ) qwglGetProcAddress( "glMultiTexCoord2fARB" );
|
|
qglActiveTextureARB = ( PFNGLACTIVETEXTUREARBPROC ) qwglGetProcAddress( "glActiveTextureARB" );
|
|
qglClientActiveTextureARB = ( PFNGLCLIENTACTIVETEXTUREARBPROC ) qwglGetProcAddress( "glClientActiveTextureARB" );
|
|
|
|
if ( qglActiveTextureARB )
|
|
{
|
|
qglGetIntegerv( GL_MAX_ACTIVE_TEXTURES_ARB, &glConfig.maxActiveTextures );
|
|
|
|
if ( glConfig.maxActiveTextures > 1 )
|
|
{
|
|
ri.Printf( PRINT_ALL, "...using GL_ARB_multitexture\n" );
|
|
}
|
|
else
|
|
{
|
|
qglMultiTexCoord2fARB = NULL;
|
|
qglActiveTextureARB = NULL;
|
|
qglClientActiveTextureARB = NULL;
|
|
ri.Printf( PRINT_ALL, "...not using GL_ARB_multitexture, < 2 texture units\n" );
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "...ignoring GL_ARB_multitexture\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "...GL_ARB_multitexture not found\n" );
|
|
}
|
|
|
|
// GL_EXT_compiled_vertex_array
|
|
qglLockArraysEXT = NULL;
|
|
qglUnlockArraysEXT = NULL;
|
|
if ( strstr( glConfig.extensions_string, "GL_EXT_compiled_vertex_array" ) && ( glConfig.hardwareType != GLHW_RIVA128 ) )
|
|
{
|
|
if ( r_ext_compiled_vertex_array->integer )
|
|
{
|
|
ri.Printf( PRINT_ALL, "...using GL_EXT_compiled_vertex_array\n" );
|
|
qglLockArraysEXT = ( void ( APIENTRY * )( int, int ) ) qwglGetProcAddress( "glLockArraysEXT" );
|
|
qglUnlockArraysEXT = ( void ( APIENTRY * )( void ) ) qwglGetProcAddress( "glUnlockArraysEXT" );
|
|
if (!qglLockArraysEXT || !qglUnlockArraysEXT) {
|
|
ri.Error (ERR_FATAL, "bad getprocaddress");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_compiled_vertex_array\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "...GL_EXT_compiled_vertex_array not found\n" );
|
|
}
|
|
|
|
// WGL_3DFX_gamma_control
|
|
qwglGetDeviceGammaRamp3DFX = NULL;
|
|
qwglSetDeviceGammaRamp3DFX = NULL;
|
|
|
|
if ( strstr( glConfig.extensions_string, "WGL_3DFX_gamma_control" ) )
|
|
{
|
|
if ( !r_ignorehwgamma->integer && r_ext_gamma_control->integer )
|
|
{
|
|
qwglGetDeviceGammaRamp3DFX = ( BOOL ( WINAPI * )( HDC, LPVOID ) ) qwglGetProcAddress( "wglGetDeviceGammaRamp3DFX" );
|
|
qwglSetDeviceGammaRamp3DFX = ( BOOL ( WINAPI * )( HDC, LPVOID ) ) qwglGetProcAddress( "wglSetDeviceGammaRamp3DFX" );
|
|
|
|
if ( qwglGetDeviceGammaRamp3DFX && qwglSetDeviceGammaRamp3DFX )
|
|
{
|
|
ri.Printf( PRINT_ALL, "...using WGL_3DFX_gamma_control\n" );
|
|
}
|
|
else
|
|
{
|
|
qwglGetDeviceGammaRamp3DFX = NULL;
|
|
qwglSetDeviceGammaRamp3DFX = NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "...ignoring WGL_3DFX_gamma_control\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "...WGL_3DFX_gamma_control not found\n" );
|
|
}
|
|
}
|
|
|
|
/*
|
|
** GLW_CheckOSVersion
|
|
*/
|
|
static qboolean GLW_CheckOSVersion( void )
|
|
{
|
|
#define OSR2_BUILD_NUMBER 1111
|
|
|
|
OSVERSIONINFO vinfo;
|
|
|
|
vinfo.dwOSVersionInfoSize = sizeof(vinfo);
|
|
|
|
glw_state.allowdisplaydepthchange = qfalse;
|
|
|
|
if ( GetVersionEx( &vinfo) )
|
|
{
|
|
if ( vinfo.dwMajorVersion > 4 )
|
|
{
|
|
glw_state.allowdisplaydepthchange = qtrue;
|
|
}
|
|
else if ( vinfo.dwMajorVersion == 4 )
|
|
{
|
|
if ( vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT )
|
|
{
|
|
glw_state.allowdisplaydepthchange = qtrue;
|
|
}
|
|
else if ( vinfo.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS )
|
|
{
|
|
if ( LOWORD( vinfo.dwBuildNumber ) >= OSR2_BUILD_NUMBER )
|
|
{
|
|
glw_state.allowdisplaydepthchange = qtrue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_ALL, "GLW_CheckOSVersion() - GetVersionEx failed\n" );
|
|
return qfalse;
|
|
}
|
|
|
|
return qtrue;
|
|
}
|
|
|
|
/*
|
|
** GLW_LoadOpenGL
|
|
**
|
|
** GLimp_win.c internal function that attempts to load and use
|
|
** a specific OpenGL DLL.
|
|
*/
|
|
static qboolean GLW_LoadOpenGL( const char *drivername )
|
|
{
|
|
char buffer[1024];
|
|
qboolean cdsFullscreen;
|
|
|
|
Q_strncpyz( buffer, drivername, sizeof(buffer) );
|
|
Q_strlwr(buffer);
|
|
|
|
//
|
|
// determine if we're on a standalone driver
|
|
//
|
|
if ( strstr( buffer, "opengl32" ) != 0 || r_maskMinidriver->integer )
|
|
{
|
|
glConfig.driverType = GLDRV_ICD;
|
|
}
|
|
else
|
|
{
|
|
glConfig.driverType = GLDRV_STANDALONE;
|
|
|
|
ri.Printf( PRINT_ALL, "...assuming '%s' is a standalone driver\n", drivername );
|
|
|
|
if ( strstr( buffer, _3DFX_DRIVER_NAME ) )
|
|
{
|
|
glConfig.driverType = GLDRV_VOODOO;
|
|
}
|
|
}
|
|
|
|
// disable the 3Dfx splash screen
|
|
_putenv("FX_GLIDE_NO_SPLASH=0");
|
|
|
|
//
|
|
// load the driver and bind our function pointers to it
|
|
//
|
|
if ( QGL_Init( buffer ) )
|
|
{
|
|
cdsFullscreen = r_fullscreen->integer;
|
|
|
|
// create the window and set up the context
|
|
if ( !GLW_StartDriverAndSetMode( drivername, r_mode->integer, r_colorbits->integer, cdsFullscreen ) )
|
|
{
|
|
// if we're on a 24/32-bit desktop and we're going fullscreen on an ICD,
|
|
// try it again but with a 16-bit desktop
|
|
if ( glConfig.driverType == GLDRV_ICD )
|
|
{
|
|
if ( r_colorbits->integer != 16 ||
|
|
cdsFullscreen != qtrue ||
|
|
r_mode->integer != 3 )
|
|
{
|
|
if ( !GLW_StartDriverAndSetMode( drivername, 3, 16, qtrue ) )
|
|
{
|
|
goto fail;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if ( glConfig.driverType == GLDRV_VOODOO )
|
|
{
|
|
glConfig.isFullscreen = qtrue;
|
|
}
|
|
|
|
return qtrue;
|
|
}
|
|
fail:
|
|
|
|
QGL_Shutdown();
|
|
|
|
return qfalse;
|
|
}
|
|
|
|
/*
|
|
** GLimp_EndFrame
|
|
*/
|
|
void GLimp_EndFrame (void)
|
|
{
|
|
//
|
|
// swapinterval stuff
|
|
//
|
|
if ( r_swapInterval->modified ) {
|
|
r_swapInterval->modified = qfalse;
|
|
|
|
if ( !glConfig.stereoEnabled ) { // why?
|
|
if ( qwglSwapIntervalEXT ) {
|
|
qwglSwapIntervalEXT( r_swapInterval->integer );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// don't flip if drawing to front buffer
|
|
if ( Q_stricmp( r_drawBuffer->string, "GL_FRONT" ) != 0 )
|
|
{
|
|
if ( glConfig.driverType > GLDRV_ICD )
|
|
{
|
|
if ( !qwglSwapBuffers( glw_state.hDC ) )
|
|
{
|
|
ri.Error( ERR_FATAL, "GLimp_EndFrame() - SwapBuffers() failed!\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
SwapBuffers( glw_state.hDC );
|
|
}
|
|
}
|
|
|
|
// check logging
|
|
QGL_EnableLogging( r_logFile->integer );
|
|
}
|
|
|
|
static void GLW_StartOpenGL( void )
|
|
{
|
|
qboolean attemptedOpenGL32 = qfalse;
|
|
qboolean attempted3Dfx = qfalse;
|
|
|
|
//
|
|
// load and initialize the specific OpenGL driver
|
|
//
|
|
if ( !GLW_LoadOpenGL( r_glDriver->string ) )
|
|
{
|
|
if ( !Q_stricmp( r_glDriver->string, OPENGL_DRIVER_NAME ) )
|
|
{
|
|
attemptedOpenGL32 = qtrue;
|
|
}
|
|
else if ( !Q_stricmp( r_glDriver->string, _3DFX_DRIVER_NAME ) )
|
|
{
|
|
attempted3Dfx = qtrue;
|
|
}
|
|
|
|
if ( !attempted3Dfx )
|
|
{
|
|
attempted3Dfx = qtrue;
|
|
if ( GLW_LoadOpenGL( _3DFX_DRIVER_NAME ) )
|
|
{
|
|
ri.Cvar_Set( "r_glDriver", _3DFX_DRIVER_NAME );
|
|
r_glDriver->modified = qfalse;
|
|
}
|
|
else
|
|
{
|
|
if ( !attemptedOpenGL32 )
|
|
{
|
|
if ( !GLW_LoadOpenGL( OPENGL_DRIVER_NAME ) )
|
|
{
|
|
ri.Error( ERR_FATAL, "GLW_StartOpenGL() - could not load OpenGL subsystem\n" );
|
|
}
|
|
ri.Cvar_Set( "r_glDriver", OPENGL_DRIVER_NAME );
|
|
r_glDriver->modified = qfalse;
|
|
}
|
|
else
|
|
{
|
|
ri.Error( ERR_FATAL, "GLW_StartOpenGL() - could not load OpenGL subsystem\n" );
|
|
}
|
|
}
|
|
}
|
|
else if ( !attemptedOpenGL32 )
|
|
{
|
|
attemptedOpenGL32 = qtrue;
|
|
if ( GLW_LoadOpenGL( OPENGL_DRIVER_NAME ) )
|
|
{
|
|
ri.Cvar_Set( "r_glDriver", OPENGL_DRIVER_NAME );
|
|
r_glDriver->modified = qfalse;
|
|
}
|
|
else
|
|
{
|
|
ri.Error( ERR_FATAL, "GLW_StartOpenGL() - could not load OpenGL subsystem\n" );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
** GLimp_Init
|
|
**
|
|
** This is the platform specific OpenGL initialization function. It
|
|
** is responsible for loading OpenGL, initializing it, setting
|
|
** extensions, creating a window of the appropriate size, doing
|
|
** fullscreen manipulations, etc. Its overall responsibility is
|
|
** to make sure that a functional OpenGL subsystem is operating
|
|
** when it returns to the ref.
|
|
*/
|
|
void GLimp_Init( void )
|
|
{
|
|
char buf[1024];
|
|
cvar_t *lastValidRenderer = ri.Cvar_Get( "r_lastValidRenderer", "(uninitialized)", CVAR_ARCHIVE );
|
|
cvar_t *cv;
|
|
|
|
ri.Printf( PRINT_ALL, "Initializing OpenGL subsystem\n" );
|
|
|
|
//
|
|
// check OS version to see if we can do fullscreen display changes
|
|
//
|
|
if ( !GLW_CheckOSVersion() )
|
|
{
|
|
ri.Error( ERR_FATAL, "GLimp_Init() - incorrect operating system\n" );
|
|
}
|
|
|
|
// save off hInstance and wndproc
|
|
cv = ri.Cvar_Get( "win_hinstance", "", 0 );
|
|
sscanf( cv->string, "%i", (int *)&g_wv.hInstance );
|
|
|
|
cv = ri.Cvar_Get( "win_wndproc", "", 0 );
|
|
sscanf( cv->string, "%i", (int *)&glw_state.wndproc );
|
|
|
|
r_allowSoftwareGL = ri.Cvar_Get( "r_allowSoftwareGL", "0", CVAR_LATCH );
|
|
r_maskMinidriver = ri.Cvar_Get( "r_maskMinidriver", "0", CVAR_LATCH );
|
|
|
|
// load appropriate DLL and initialize subsystem
|
|
GLW_StartOpenGL();
|
|
|
|
// get our config strings
|
|
Q_strncpyz( glConfig.vendor_string, qglGetString (GL_VENDOR), sizeof( glConfig.vendor_string ) );
|
|
Q_strncpyz( glConfig.renderer_string, qglGetString (GL_RENDERER), sizeof( glConfig.renderer_string ) );
|
|
Q_strncpyz( glConfig.version_string, qglGetString (GL_VERSION), sizeof( glConfig.version_string ) );
|
|
Q_strncpyz( glConfig.extensions_string, qglGetString (GL_EXTENSIONS), sizeof( glConfig.extensions_string ) );
|
|
|
|
//
|
|
// chipset specific configuration
|
|
//
|
|
Q_strncpyz( buf, glConfig.renderer_string, sizeof(buf) );
|
|
Q_strlwr( buf );
|
|
|
|
//
|
|
// NOTE: if changing cvars, do it within this block. This allows them
|
|
// to be overridden when testing driver fixes, etc. but only sets
|
|
// them to their default state when the hardware is first installed/run.
|
|
//
|
|
if ( Q_stricmp( lastValidRenderer->string, glConfig.renderer_string ) )
|
|
{
|
|
glConfig.hardwareType = GLHW_GENERIC;
|
|
|
|
ri.Cvar_Set( "r_textureMode", "GL_LINEAR_MIPMAP_NEAREST" );
|
|
|
|
// VOODOO GRAPHICS w/ 2MB
|
|
if ( strstr( buf, "voodoo graphics/1 tmu/2 mb" ) )
|
|
{
|
|
ri.Cvar_Set( "r_picmip", "2" );
|
|
ri.Cvar_Get( "r_picmip", "1", CVAR_ARCHIVE | CVAR_LATCH );
|
|
}
|
|
else
|
|
{
|
|
ri.Cvar_Set( "r_picmip", "1" );
|
|
|
|
if ( strstr( buf, "rage 128" ) || strstr( buf, "rage128" ) )
|
|
{
|
|
ri.Cvar_Set( "r_finish", "0" );
|
|
}
|
|
// Savage3D and Savage4 should always have trilinear enabled
|
|
else if ( strstr( buf, "savage3d" ) || strstr( buf, "s3 savage4" ) )
|
|
{
|
|
ri.Cvar_Set( "r_texturemode", "GL_LINEAR_MIPMAP_LINEAR" );
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// this is where hardware specific workarounds that should be
|
|
// detected/initialized every startup should go.
|
|
//
|
|
if ( strstr( buf, "banshee" ) || strstr( buf, "voodoo3" ) )
|
|
{
|
|
glConfig.hardwareType = GLHW_3DFX_2D3D;
|
|
}
|
|
// VOODOO GRAPHICS w/ 2MB
|
|
else if ( strstr( buf, "voodoo graphics/1 tmu/2 mb" ) )
|
|
{
|
|
}
|
|
else if ( strstr( buf, "glzicd" ) )
|
|
{
|
|
}
|
|
else if ( strstr( buf, "rage pro" ) || strstr( buf, "Rage Pro" ) || strstr( buf, "ragepro" ) )
|
|
{
|
|
glConfig.hardwareType = GLHW_RAGEPRO;
|
|
}
|
|
else if ( strstr( buf, "rage 128" ) )
|
|
{
|
|
}
|
|
else if ( strstr( buf, "permedia2" ) )
|
|
{
|
|
glConfig.hardwareType = GLHW_PERMEDIA2;
|
|
}
|
|
else if ( strstr( buf, "riva 128" ) )
|
|
{
|
|
glConfig.hardwareType = GLHW_RIVA128;
|
|
}
|
|
else if ( strstr( buf, "riva tnt " ) )
|
|
{
|
|
}
|
|
|
|
ri.Cvar_Set( "r_lastValidRenderer", glConfig.renderer_string );
|
|
|
|
GLW_InitExtensions();
|
|
WG_CheckHardwareGamma();
|
|
}
|
|
|
|
/*
|
|
** GLimp_Shutdown
|
|
**
|
|
** This routine does all OS specific shutdown procedures for the OpenGL
|
|
** subsystem.
|
|
*/
|
|
void GLimp_Shutdown( void )
|
|
{
|
|
// const char *strings[] = { "soft", "hard" };
|
|
const char *success[] = { "failed", "success" };
|
|
int retVal;
|
|
|
|
// FIXME: Brian, we need better fallbacks from partially initialized failures
|
|
if ( !qwglMakeCurrent ) {
|
|
return;
|
|
}
|
|
|
|
ri.Printf( PRINT_ALL, "Shutting down OpenGL subsystem\n" );
|
|
|
|
// restore gamma. We do this first because 3Dfx's extension needs a valid OGL subsystem
|
|
WG_RestoreGamma();
|
|
|
|
// set current context to NULL
|
|
if ( qwglMakeCurrent )
|
|
{
|
|
retVal = qwglMakeCurrent( NULL, NULL ) != 0;
|
|
|
|
ri.Printf( PRINT_ALL, "...wglMakeCurrent( NULL, NULL ): %s\n", success[retVal] );
|
|
}
|
|
|
|
// delete HGLRC
|
|
if ( glw_state.hGLRC )
|
|
{
|
|
retVal = qwglDeleteContext( glw_state.hGLRC ) != 0;
|
|
ri.Printf( PRINT_ALL, "...deleting GL context: %s\n", success[retVal] );
|
|
glw_state.hGLRC = NULL;
|
|
}
|
|
|
|
// release DC
|
|
if ( glw_state.hDC )
|
|
{
|
|
retVal = ReleaseDC( g_wv.hWnd, glw_state.hDC ) != 0;
|
|
ri.Printf( PRINT_ALL, "...releasing DC: %s\n", success[retVal] );
|
|
glw_state.hDC = NULL;
|
|
}
|
|
|
|
// destroy window
|
|
if ( g_wv.hWnd )
|
|
{
|
|
ri.Printf( PRINT_ALL, "...destroying window\n" );
|
|
ShowWindow( g_wv.hWnd, SW_HIDE );
|
|
DestroyWindow( g_wv.hWnd );
|
|
g_wv.hWnd = NULL;
|
|
glw_state.pixelFormatSet = qfalse;
|
|
}
|
|
|
|
// close the r_logFile
|
|
if ( glw_state.log_fp )
|
|
{
|
|
fclose( glw_state.log_fp );
|
|
glw_state.log_fp = 0;
|
|
}
|
|
|
|
// reset display settings
|
|
if ( glw_state.cdsFullscreen )
|
|
{
|
|
ri.Printf( PRINT_ALL, "...resetting display\n" );
|
|
ChangeDisplaySettings( 0, 0 );
|
|
glw_state.cdsFullscreen = qfalse;
|
|
}
|
|
|
|
// shutdown QGL subsystem
|
|
QGL_Shutdown();
|
|
|
|
memset( &glConfig, 0, sizeof( glConfig ) );
|
|
memset( &glState, 0, sizeof( glState ) );
|
|
}
|
|
|
|
/*
|
|
** GLimp_LogComment
|
|
*/
|
|
void GLimp_LogComment( char *comment )
|
|
{
|
|
if ( glw_state.log_fp ) {
|
|
fprintf( glw_state.log_fp, "%s", comment );
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
===========================================================
|
|
|
|
SMP acceleration
|
|
|
|
===========================================================
|
|
*/
|
|
|
|
HANDLE renderCommandsEvent;
|
|
HANDLE renderCompletedEvent;
|
|
HANDLE renderActiveEvent;
|
|
|
|
void (*glimpRenderThread)( void );
|
|
|
|
void GLimp_RenderThreadWrapper( void ) {
|
|
glimpRenderThread();
|
|
|
|
// unbind the context before we die
|
|
qwglMakeCurrent( glw_state.hDC, NULL );
|
|
}
|
|
|
|
/*
|
|
=======================
|
|
GLimp_SpawnRenderThread
|
|
=======================
|
|
*/
|
|
HANDLE renderThreadHandle;
|
|
int renderThreadId;
|
|
qboolean GLimp_SpawnRenderThread( void (*function)( void ) ) {
|
|
|
|
renderCommandsEvent = CreateEvent( NULL, TRUE, FALSE, NULL );
|
|
renderCompletedEvent = CreateEvent( NULL, TRUE, FALSE, NULL );
|
|
renderActiveEvent = CreateEvent( NULL, TRUE, FALSE, NULL );
|
|
|
|
glimpRenderThread = function;
|
|
|
|
renderThreadHandle = CreateThread(
|
|
NULL, // LPSECURITY_ATTRIBUTES lpsa,
|
|
0, // DWORD cbStack,
|
|
(LPTHREAD_START_ROUTINE)GLimp_RenderThreadWrapper, // LPTHREAD_START_ROUTINE lpStartAddr,
|
|
0, // LPVOID lpvThreadParm,
|
|
0, // DWORD fdwCreate,
|
|
(long *)&renderThreadId );
|
|
|
|
if ( !renderThreadHandle ) {
|
|
return qfalse;
|
|
}
|
|
|
|
return qtrue;
|
|
}
|
|
|
|
static void *smpData;
|
|
static int wglErrors;
|
|
|
|
void *GLimp_RendererSleep( void ) {
|
|
void *data;
|
|
|
|
if ( !qwglMakeCurrent( glw_state.hDC, NULL ) ) {
|
|
wglErrors++;
|
|
}
|
|
|
|
ResetEvent( renderActiveEvent );
|
|
|
|
// after this, the front end can exit GLimp_FrontEndSleep
|
|
SetEvent( renderCompletedEvent );
|
|
|
|
WaitForSingleObject( renderCommandsEvent, INFINITE );
|
|
|
|
if ( !qwglMakeCurrent( glw_state.hDC, glw_state.hGLRC ) ) {
|
|
wglErrors++;
|
|
}
|
|
|
|
ResetEvent( renderCompletedEvent );
|
|
ResetEvent( renderCommandsEvent );
|
|
|
|
data = smpData;
|
|
|
|
// after this, the main thread can exit GLimp_WakeRenderer
|
|
SetEvent( renderActiveEvent );
|
|
|
|
return data;
|
|
}
|
|
|
|
|
|
void GLimp_FrontEndSleep( void ) {
|
|
WaitForSingleObject( renderCompletedEvent, INFINITE );
|
|
|
|
if ( !qwglMakeCurrent( glw_state.hDC, glw_state.hGLRC ) ) {
|
|
wglErrors++;
|
|
}
|
|
}
|
|
|
|
|
|
void GLimp_WakeRenderer( void *data ) {
|
|
smpData = data;
|
|
|
|
if ( !qwglMakeCurrent( glw_state.hDC, NULL ) ) {
|
|
wglErrors++;
|
|
}
|
|
|
|
// after this, the renderer can continue through GLimp_RendererSleep
|
|
SetEvent( renderCommandsEvent );
|
|
|
|
WaitForSingleObject( renderActiveEvent, INFINITE );
|
|
}
|
|
|