Funko sources as released by Rotacak.HEADmaster

1 files changed, 1609 insertions, 0 deletions

diff --git a/src/win32/win_glimp.c b/src/win32/win_glimp.c
new file mode 100644
index 0000000..ef8651d
--- /dev/null
+++ b/src/win32/win_glimp.c
@@ -0,0 +1,1609 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2006 Tim Angus
+
+This file is part of Tremulous.
+
+Tremulous is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Tremulous is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Tremulous; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+/*
+** WIN_GLIMP.C
+**
+** This file contains ALL Win32 specific stuff having to do with the
+** OpenGL refresh.  When a port is being made the following functions
+** must be implemented by the port:
+**
+** GLimp_EndFrame
+** GLimp_Init
+** GLimp_LogComment
+** GLimp_Shutdown
+**
+** Note that the GLW_xxx functions are Windows specific GL-subsystem
+** related functions that are relevant ONLY to win_glimp.c
+*/
+#include <assert.h>
+#include "../renderer/tr_local.h"
+#include "../qcommon/qcommon.h"
+#include "resource.h"
+#include "glw_win.h"
+#include "win_local.h"
+
+extern void WG_CheckHardwareGamma( void );
+extern void WG_RestoreGamma( void );
+
+typedef enum {
+	RSERR_OK,
+
+	RSERR_INVALID_FULLSCREEN,
+	RSERR_INVALID_MODE,
+
+	RSERR_UNKNOWN
+} rserr_t;
+
+#define TRY_PFD_SUCCESS		0
+#define TRY_PFD_FAIL_SOFT	1
+#define TRY_PFD_FAIL_HARD	2
+
+static void		GLW_InitExtensions( void );
+static rserr_t	GLW_SetMode( const char *drivername, 
+							 int mode, 
+							 int colorbits, 
+							 qboolean cdsFullscreen );
+
+static qboolean s_classRegistered = qfalse;
+
+//
+// function declaration
+//
+void	 QGL_EnableLogging( qboolean enable );
+qboolean QGL_Init( const char *dllname );
+void     QGL_Shutdown( void );
+
+//
+// variable declarations
+//
+glwstate_t glw_state;
+
+cvar_t	*r_allowSoftwareGL;		// don't abort out if the pixelformat claims software
+cvar_t	*r_maskMinidriver;		// allow a different dll name to be treated as if it were opengl32.dll
+
+
+
+/*
+** GLW_StartDriverAndSetMode
+*/
+static qboolean GLW_StartDriverAndSetMode( const char *drivername, 
+										   int mode, 
+										   int colorbits,
+										   qboolean cdsFullscreen )
+{
+	rserr_t err;
+
+	err = GLW_SetMode( drivername, r_mode->integer, colorbits, cdsFullscreen );
+
+	switch ( err )
+	{
+	case RSERR_INVALID_FULLSCREEN:
+		ri.Printf( PRINT_ALL, "...WARNING: fullscreen unavailable in this mode\n" );
+		return qfalse;
+	case RSERR_INVALID_MODE:
+		ri.Printf( PRINT_ALL, "...WARNING: could not set the given mode (%d)\n", mode );
+		return qfalse;
+	default:
+		break;
+	}
+	return qtrue;
+}
+
+/*
+** ChoosePFD
+**
+** Helper function that replaces ChoosePixelFormat.
+*/
+#define MAX_PFDS 256
+
+static int GLW_ChoosePFD( HDC hDC, PIXELFORMATDESCRIPTOR *pPFD )
+{
+	PIXELFORMATDESCRIPTOR pfds[MAX_PFDS+1];
+	int maxPFD = 0;
+	int i;
+	int bestMatch = 0;
+
+	ri.Printf( PRINT_ALL, "...GLW_ChoosePFD( %d, %d, %d )\n", ( int ) pPFD->cColorBits, ( int ) pPFD->cDepthBits, ( int ) pPFD->cStencilBits );
+
+	// count number of PFDs
+	if ( glConfig.driverType > GLDRV_ICD )
+	{
+		maxPFD = qwglDescribePixelFormat( hDC, 1, sizeof( PIXELFORMATDESCRIPTOR ), &pfds[0] );
+	}
+	else
+	{
+		maxPFD = DescribePixelFormat( hDC, 1, sizeof( PIXELFORMATDESCRIPTOR ), &pfds[0] );
+	}
+	if ( maxPFD > MAX_PFDS )
+	{
+		ri.Printf( PRINT_WARNING, "...numPFDs > MAX_PFDS (%d > %d)\n", maxPFD, MAX_PFDS );
+		maxPFD = MAX_PFDS;
+	}
+
+	ri.Printf( PRINT_ALL, "...%d PFDs found\n", maxPFD - 1 );
+
+	// grab information
+	for ( i = 1; i <= maxPFD; i++ )
+	{
+		if ( glConfig.driverType > GLDRV_ICD )
+		{
+			qwglDescribePixelFormat( hDC, i, sizeof( PIXELFORMATDESCRIPTOR ), &pfds[i] );
+		}
+		else
+		{
+			DescribePixelFormat( hDC, i, sizeof( PIXELFORMATDESCRIPTOR ), &pfds[i] );
+		}
+	}
+
+	// look for a best match
+	for ( i = 1; i <= maxPFD; i++ )
+	{
+		//
+		// make sure this has hardware acceleration
+		//
+		if ( ( pfds[i].dwFlags & PFD_GENERIC_FORMAT ) != 0 ) 
+		{
+			if ( !r_allowSoftwareGL->integer )
+			{
+				if ( r_verbose->integer )
+				{
+					ri.Printf( PRINT_ALL, "...PFD %d rejected, software acceleration\n", i );
+				}
+				continue;
+			}
+		}
+
+		// verify pixel type
+		if ( pfds[i].iPixelType != PFD_TYPE_RGBA )
+		{
+			if ( r_verbose->integer )
+			{
+				ri.Printf( PRINT_ALL, "...PFD %d rejected, not RGBA\n", i );
+			}
+			continue;
+		}
+
+		// verify proper flags
+		if ( ( ( pfds[i].dwFlags & pPFD->dwFlags ) & pPFD->dwFlags ) != pPFD->dwFlags ) 
+		{
+			if ( r_verbose->integer )
+			{
+				ri.Printf( PRINT_ALL, "...PFD %d rejected, improper flags (%x instead of %x)\n", i, pfds[i].dwFlags, pPFD->dwFlags );
+			}
+			continue;
+		}
+
+		// verify enough bits
+		if ( pfds[i].cDepthBits < 15 )
+		{
+			continue;
+		}
+		if ( ( pfds[i].cStencilBits < 4 ) && ( pPFD->cStencilBits > 0 ) )
+		{
+			continue;
+		}
+
+		//
+		// selection criteria (in order of priority):
+		// 
+		//  PFD_STEREO
+		//  colorBits
+		//  depthBits
+		//  stencilBits
+		//
+		if ( bestMatch )
+		{
+			// check stereo
+			if ( ( pfds[i].dwFlags & PFD_STEREO ) && ( !( pfds[bestMatch].dwFlags & PFD_STEREO ) ) && ( pPFD->dwFlags & PFD_STEREO ) )
+			{
+				bestMatch = i;
+				continue;
+			}
+			
+			if ( !( pfds[i].dwFlags & PFD_STEREO ) && ( pfds[bestMatch].dwFlags & PFD_STEREO ) && ( pPFD->dwFlags & PFD_STEREO ) )
+			{
+				bestMatch = i;
+				continue;
+			}
+
+			// check color
+			if ( pfds[bestMatch].cColorBits != pPFD->cColorBits )
+			{
+				// prefer perfect match
+				if ( pfds[i].cColorBits == pPFD->cColorBits )
+				{
+					bestMatch = i;
+					continue;
+				}
+				// otherwise if this PFD has more bits than our best, use it
+				else if ( pfds[i].cColorBits > pfds[bestMatch].cColorBits )
+				{
+					bestMatch = i;
+					continue;
+				}
+			}
+
+			// check depth
+			if ( pfds[bestMatch].cDepthBits != pPFD->cDepthBits )
+			{
+				// prefer perfect match
+				if ( pfds[i].cDepthBits == pPFD->cDepthBits )
+				{
+					bestMatch = i;
+					continue;
+				}
+				// otherwise if this PFD has more bits than our best, use it
+				else if ( pfds[i].cDepthBits > pfds[bestMatch].cDepthBits )
+				{
+					bestMatch = i;
+					continue;
+				}
+			}
+
+			// check stencil
+			if ( pfds[bestMatch].cStencilBits != pPFD->cStencilBits )
+			{
+				// prefer perfect match
+				if ( pfds[i].cStencilBits == pPFD->cStencilBits )
+				{
+					bestMatch = i;
+					continue;
+				}
+				// otherwise if this PFD has more bits than our best, use it
+				else if ( ( pfds[i].cStencilBits > pfds[bestMatch].cStencilBits ) && 
+					 ( pPFD->cStencilBits > 0 ) )
+				{
+					bestMatch = i;
+					continue;
+				}
+			}
+		}
+		else
+		{
+			bestMatch = i;
+		}
+	}
+	
+	if ( !bestMatch )
+		return 0;
+
+	if ( ( pfds[bestMatch].dwFlags & PFD_GENERIC_FORMAT ) != 0 )
+	{
+		if ( !r_allowSoftwareGL->integer )
+		{
+			ri.Printf( PRINT_ALL, "...no hardware acceleration found\n" );
+			return 0;
+		}
+		else
+		{
+			ri.Printf( PRINT_ALL, "...using software emulation\n" );
+		}
+	}
+	else if ( pfds[bestMatch].dwFlags & PFD_GENERIC_ACCELERATED )
+	{
+		ri.Printf( PRINT_ALL, "...MCD acceleration found\n" );
+	}
+	else
+	{
+		ri.Printf( PRINT_ALL, "...hardware acceleration found\n" );
+	}
+
+	*pPFD = pfds[bestMatch];
+
+	return bestMatch;
+}
+
+/*
+** void GLW_CreatePFD
+**
+** Helper function zeros out then fills in a PFD
+*/
+static void GLW_CreatePFD( PIXELFORMATDESCRIPTOR *pPFD, int colorbits, int depthbits, int stencilbits, qboolean stereo )
+{
+    PIXELFORMATDESCRIPTOR src = 
+	{
+		sizeof(PIXELFORMATDESCRIPTOR),	// size of this pfd
+		1,								// version number
+		PFD_DRAW_TO_WINDOW |			// support window
+		PFD_SUPPORT_OPENGL |			// support OpenGL
+		PFD_DOUBLEBUFFER,				// double buffered
+		PFD_TYPE_RGBA,					// RGBA type
+		24,								// 24-bit color depth
+		0, 0, 0, 0, 0, 0,				// color bits ignored
+		0,								// no alpha buffer
+		0,								// shift bit ignored
+		0,								// no accumulation buffer
+		0, 0, 0, 0, 					// accum bits ignored
+		24,								// 24-bit z-buffer	
+		8,								// 8-bit stencil buffer
+		0,								// no auxiliary buffer
+		PFD_MAIN_PLANE,					// main layer
+		0,								// reserved
+		0, 0, 0							// layer masks ignored
+    };
+
+	src.cColorBits = colorbits;
+	src.cDepthBits = depthbits;
+	src.cStencilBits = stencilbits;
+
+	if ( stereo )
+	{
+		ri.Printf( PRINT_ALL, "...attempting to use stereo\n" );
+		src.dwFlags |= PFD_STEREO;
+		glConfig.stereoEnabled = qtrue;
+	}
+	else
+	{
+		glConfig.stereoEnabled = qfalse;
+	}
+
+	*pPFD = src;
+}
+
+/*
+** GLW_MakeContext
+*/
+static int GLW_MakeContext( PIXELFORMATDESCRIPTOR *pPFD )
+{
+	int pixelformat;
+
+	//
+	// don't putz around with pixelformat if it's already set (e.g. this is a soft
+	// reset of the graphics system)
+	//
+	if ( !glw_state.pixelFormatSet )
+	{
+		//
+		// choose, set, and describe our desired pixel format.  If we're
+		// using a minidriver then we need to bypass the GDI functions,
+		// otherwise use the GDI functions.
+		//
+		if ( ( pixelformat = GLW_ChoosePFD( glw_state.hDC, pPFD ) ) == 0 )
+		{
+			ri.Printf( PRINT_ALL, "...GLW_ChoosePFD failed\n");
+			return TRY_PFD_FAIL_SOFT;
+		}
+		ri.Printf( PRINT_ALL, "...PIXELFORMAT %d selected\n", pixelformat );
+
+		if ( glConfig.driverType > GLDRV_ICD )
+		{
+			qwglDescribePixelFormat( glw_state.hDC, pixelformat, sizeof( *pPFD ), pPFD );
+			if ( qwglSetPixelFormat( glw_state.hDC, pixelformat, pPFD ) == FALSE )
+			{
+				ri.Printf ( PRINT_ALL, "...qwglSetPixelFormat failed\n");
+				return TRY_PFD_FAIL_SOFT;
+			}
+		}
+		else
+		{
+			DescribePixelFormat( glw_state.hDC, pixelformat, sizeof( *pPFD ), pPFD );
+
+			if ( SetPixelFormat( glw_state.hDC, pixelformat, pPFD ) == FALSE )
+			{
+				ri.Printf (PRINT_ALL, "...SetPixelFormat failed\n", glw_state.hDC );
+				return TRY_PFD_FAIL_SOFT;
+			}
+		}
+
+		glw_state.pixelFormatSet = qtrue;
+	}
+
+	//
+	// startup the OpenGL subsystem by creating a context and making it current
+	//
+	if ( !glw_state.hGLRC )
+	{
+		ri.Printf( PRINT_ALL, "...creating GL context: " );
+		if ( ( glw_state.hGLRC = qwglCreateContext( glw_state.hDC ) ) == 0 )
+		{
+			ri.Printf (PRINT_ALL, "failed\n");
+
+			return TRY_PFD_FAIL_HARD;
+		}
+		ri.Printf( PRINT_ALL, "succeeded\n" );
+
+		ri.Printf( PRINT_ALL, "...making context current: " );
+		if ( !qwglMakeCurrent( glw_state.hDC, glw_state.hGLRC ) )
+		{
+			qwglDeleteContext( glw_state.hGLRC );
+			glw_state.hGLRC = NULL;
+			ri.Printf (PRINT_ALL, "failed\n");
+			return TRY_PFD_FAIL_HARD;
+		}
+		ri.Printf( PRINT_ALL, "succeeded\n" );
+	}
+
+	return TRY_PFD_SUCCESS;
+}
+
+
+/*
+** GLW_InitDriver
+**
+** - get a DC if one doesn't exist
+** - create an HGLRC if one doesn't exist
+*/
+static qboolean GLW_InitDriver( const char *drivername, int colorbits )
+{
+	int		tpfd;
+	int		depthbits, stencilbits;
+	static PIXELFORMATDESCRIPTOR pfd;		// save between frames since 'tr' gets cleared
+
+	ri.Printf( PRINT_ALL, "Initializing OpenGL driver\n" );
+
+	//
+	// get a DC for our window if we don't already have one allocated
+	//
+	if ( glw_state.hDC == NULL )
+	{
+		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 = CLIENT_WINDOW_TITLE;
+
+		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, 
+			 CLIENT_WINDOW_TITLE,
+			 CLIENT_WINDOW_TITLE,
+			 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" );
+	}
+
+	glConfig.textureFilterAnisotropic = qfalse;
+	if ( strstr( glConfig.extensions_string, "GL_EXT_texture_filter_anisotropic" ) )
+	{
+		if ( r_ext_texture_filter_anisotropic->integer ) {
+			qglGetIntegerv( GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &glConfig.maxAnisotropy );
+			if ( glConfig.maxAnisotropy <= 0 ) {
+				ri.Printf( PRINT_ALL, "...GL_EXT_texture_filter_anisotropic not properly supported!\n" );
+				glConfig.maxAnisotropy = 0;
+			}
+			else
+			{
+				ri.Printf( PRINT_ALL, "...using GL_EXT_texture_filter_anisotropic (max: %i)\n", glConfig.maxAnisotropy );
+				glConfig.textureFilterAnisotropic = qtrue;
+			}
+		}
+		else
+		{
+			ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_filter_anisotropic\n" );
+		}
+	}
+	else
+	{
+		ri.Printf( PRINT_ALL, "...GL_EXT_texture_filter_anisotropic 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 )
+{
+	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 ) );
+
+  GL_ResolveHardwareType( );
+
+	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++;
+	}
+
+	// after this, the front end can exit GLimp_FrontEndSleep
+	SetEvent( renderCompletedEvent );
+
+	WaitForSingleObject( renderCommandsEvent, INFINITE );
+
+	ResetEvent( renderActiveEvent );
+
+	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 );
+}
+