1816 lines
51 KiB
C++
1816 lines
51 KiB
C++
// leave this as first line for PCH reasons...
|
|
//
|
|
#include "../server/exe_headers.h"
|
|
|
|
|
|
/*
|
|
** 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 "glw_win.h"
|
|
#include "win_local.h"
|
|
#include "resource.h" //JFM: to get icon
|
|
|
|
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
|
|
|
|
#define WINDOW_CLASS_NAME "Jedi Knight®: Jedi Academy"
|
|
|
|
static void GLW_InitExtensions( void );
|
|
static rserr_t GLW_SetMode( 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
|
|
|
|
// Whether the current hardware supports dynamic glows/flares.
|
|
extern bool g_bDynamicGlowSupported;
|
|
|
|
// Hack variable for deciding which kind of texture rectangle thing to do (for some
|
|
// reason it acts different on radeon! It's against the spec!).
|
|
bool g_bTextureRectangleHack = false;
|
|
|
|
|
|
/*
|
|
** GLW_StartDriverAndSetMode
|
|
*/
|
|
static qboolean GLW_StartDriverAndSetMode( int mode,
|
|
int colorbits,
|
|
qboolean cdsFullscreen )
|
|
{
|
|
rserr_t err;
|
|
|
|
err = GLW_SetMode( mode, colorbits, cdsFullscreen );
|
|
|
|
switch ( err )
|
|
{
|
|
case RSERR_INVALID_FULLSCREEN:
|
|
VID_Printf( PRINT_ALL, "...WARNING: fullscreen unavailable in this mode\n" );
|
|
return qfalse;
|
|
case RSERR_INVALID_MODE:
|
|
VID_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;
|
|
|
|
VID_Printf( PRINT_ALL, "...GLW_ChoosePFD( %d, %d, %d )\n", ( int ) pPFD->cColorBits, ( int ) pPFD->cDepthBits, ( int ) pPFD->cStencilBits );
|
|
|
|
// count number of PFDs
|
|
maxPFD = DescribePixelFormat( hDC, 1, sizeof( PIXELFORMATDESCRIPTOR ), &pfds[0] );
|
|
if ( maxPFD > MAX_PFDS )
|
|
{
|
|
VID_Printf( PRINT_WARNING, "...numPFDs > MAX_PFDS (%d > %d)\n", maxPFD, MAX_PFDS );
|
|
maxPFD = MAX_PFDS;
|
|
}
|
|
|
|
VID_Printf( PRINT_ALL, "...%d PFDs found\n", maxPFD - 1 );
|
|
|
|
// grab information
|
|
for ( i = 1; i <= maxPFD; i++ )
|
|
{
|
|
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 )
|
|
{
|
|
VID_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 )
|
|
{
|
|
VID_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 )
|
|
{
|
|
VID_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 )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...no hardware acceleration found\n" );
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, "...using software emulation\n" );
|
|
}
|
|
}
|
|
else if ( pfds[bestMatch].dwFlags & PFD_GENERIC_ACCELERATED )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...MCD acceleration found\n" );
|
|
}
|
|
else
|
|
{
|
|
VID_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 )
|
|
{
|
|
VID_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 )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...GLW_ChoosePFD failed\n");
|
|
return TRY_PFD_FAIL_SOFT;
|
|
}
|
|
VID_Printf( PRINT_ALL, "...PIXELFORMAT %d selected\n", pixelformat );
|
|
|
|
DescribePixelFormat( glw_state.hDC, pixelformat, sizeof( *pPFD ), pPFD );
|
|
|
|
if ( SetPixelFormat( glw_state.hDC, pixelformat, pPFD ) == FALSE )
|
|
{
|
|
VID_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 )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...creating GL context: " );
|
|
if ( ( glw_state.hGLRC = qwglCreateContext( glw_state.hDC ) ) == 0 )
|
|
{
|
|
VID_Printf (PRINT_ALL, "failed\n");
|
|
|
|
return TRY_PFD_FAIL_HARD;
|
|
}
|
|
VID_Printf( PRINT_ALL, "succeeded\n" );
|
|
|
|
VID_Printf( PRINT_ALL, "...making context current: " );
|
|
if ( !qwglMakeCurrent( glw_state.hDC, glw_state.hGLRC ) )
|
|
{
|
|
qwglDeleteContext( glw_state.hGLRC );
|
|
glw_state.hGLRC = NULL;
|
|
VID_Printf (PRINT_ALL, "failed\n");
|
|
return TRY_PFD_FAIL_HARD;
|
|
}
|
|
VID_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( int colorbits )
|
|
{
|
|
int tpfd;
|
|
int depthbits, stencilbits;
|
|
static PIXELFORMATDESCRIPTOR pfd; // save between frames since 'tr' gets cleared
|
|
|
|
VID_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 )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...getting DC: " );
|
|
|
|
if ( ( glw_state.hDC = GetDC( g_wv.hWnd ) ) == NULL )
|
|
{
|
|
VID_Printf( PRINT_ALL, "failed\n" );
|
|
return qfalse;
|
|
}
|
|
VID_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 )
|
|
{
|
|
VID_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;
|
|
|
|
VID_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;
|
|
}
|
|
|
|
VID_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 ) )
|
|
{
|
|
VID_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( 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)); //jfm: to get icon
|
|
wc.hCursor = LoadCursor (NULL,IDC_ARROW);
|
|
wc.hbrBackground = 0;//(struct HBRUSH__ *)COLOR_GRAYTEXT;
|
|
wc.lpszMenuName = 0;
|
|
wc.lpszClassName = WINDOW_CLASS_NAME;
|
|
|
|
if ( !RegisterClass( &wc ) )
|
|
{
|
|
Com_Error( ERR_FATAL, "GLW_CreateWindow: could not register window class" );
|
|
}
|
|
s_classRegistered = qtrue;
|
|
VID_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 )
|
|
{
|
|
exstyle = WS_EX_TOPMOST;
|
|
stylebits = WS_SYSMENU|WS_POPUP|WS_VISIBLE; //sysmenu gives you the icon
|
|
}
|
|
else
|
|
{
|
|
exstyle = 0;
|
|
stylebits = WS_SYSMENU|WINDOW_STYLE|WS_MINIMIZEBOX;
|
|
AdjustWindowRect (&r, stylebits, FALSE);
|
|
}
|
|
|
|
w = r.right - r.left;
|
|
h = r.bottom - r.top;
|
|
|
|
if ( cdsFullscreen )
|
|
{
|
|
x = 0;
|
|
y = 0;
|
|
}
|
|
else
|
|
{
|
|
vid_xpos = Cvar_Get ("vid_xpos", "", 0);
|
|
vid_ypos = 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, //class
|
|
WINDOW_CLASS_NAME, //window title
|
|
stylebits,
|
|
x, y, w, h,
|
|
NULL,
|
|
NULL,
|
|
g_wv.hInstance,
|
|
NULL);
|
|
|
|
if ( !g_wv.hWnd )
|
|
{
|
|
Com_Error (ERR_FATAL, "GLW_CreateWindow() - Couldn't create window");
|
|
}
|
|
|
|
ShowWindow( g_wv.hWnd, SW_SHOW );
|
|
UpdateWindow( g_wv.hWnd );
|
|
VID_Printf( PRINT_ALL, "...created window@%d,%d (%dx%d)\n", x, y, w, h );
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, "...window already present, CreateWindowEx skipped\n" );
|
|
}
|
|
|
|
if ( !GLW_InitDriver( 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:
|
|
VID_Printf( PRINT_ALL, "restart required\n" );
|
|
break;
|
|
case DISP_CHANGE_BADPARAM:
|
|
VID_Printf( PRINT_ALL, "bad param\n" );
|
|
break;
|
|
case DISP_CHANGE_BADFLAGS:
|
|
VID_Printf( PRINT_ALL, "bad flags\n" );
|
|
break;
|
|
case DISP_CHANGE_FAILED:
|
|
VID_Printf( PRINT_ALL, "DISP_CHANGE_FAILED\n" );
|
|
break;
|
|
case DISP_CHANGE_BADMODE:
|
|
VID_Printf( PRINT_ALL, "bad mode\n" );
|
|
break;
|
|
case DISP_CHANGE_NOTUPDATED:
|
|
VID_Printf( PRINT_ALL, "not updated\n" );
|
|
break;
|
|
default:
|
|
VID_Printf( PRINT_ALL, "unknown error %d\n", value );
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
** GLW_SetMode
|
|
*/
|
|
static rserr_t GLW_SetMode( int mode,
|
|
int colorbits,
|
|
qboolean cdsFullscreen )
|
|
{
|
|
HDC hDC;
|
|
const char *win_fs[] = { "W", "FS" };
|
|
int cdsRet;
|
|
DEVMODE dm;
|
|
|
|
//
|
|
// print out informational messages
|
|
//
|
|
VID_Printf( PRINT_ALL, "...setting mode %d:", mode );
|
|
if ( !R_GetModeInfo( &glConfig.vidWidth, &glConfig.vidHeight, mode ) )
|
|
{
|
|
VID_Printf( PRINT_ALL, " invalid mode\n" );
|
|
return RSERR_INVALID_MODE;
|
|
}
|
|
VID_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 ( glw_state.desktopBitsPixel < 15 || glw_state.desktopBitsPixel == 24 )
|
|
{
|
|
if ( !cdsFullscreen && (colorbits == 0 || colorbits >= 15 ) )
|
|
{
|
|
// since I can't be bothered trying to mess around with asian codepages and MBCS stuff for a windows
|
|
// error box that'll only appear if something's seriously fucked then I'm going to fallback to
|
|
// english text when these would otherwise be used...
|
|
//
|
|
char sErrorHead[1024]; // ott
|
|
|
|
extern qboolean Language_IsAsian(void);
|
|
Q_strncpyz(sErrorHead, Language_IsAsian() ? "Low Desktop Color Depth" : SE_GetString("CON_TEXT_LOW_DESKTOP_COLOUR_DEPTH"), sizeof(sErrorHead) );
|
|
|
|
const char *psErrorBody = Language_IsAsian() ?
|
|
"It is highly unlikely that a correct windowed\n"
|
|
"display can be initialized with the current\n"
|
|
"desktop display depth. Select 'OK' to try\n"
|
|
"anyway. Select 'Cancel' to try a fullscreen\n"
|
|
"mode instead."
|
|
:
|
|
SE_GetString("CON_TEXT_TRY_ANYWAY");
|
|
|
|
if ( MessageBox( NULL,
|
|
psErrorBody,
|
|
sErrorHead,
|
|
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;
|
|
VID_Printf( PRINT_ALL, "...using colorsbits of %d\n", colorbits );
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, "WARNING:...changing depth not supported on Win95 < pre-OSR 2.x\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
VID_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 )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...already fullscreen, avoiding redundant CDS\n" );
|
|
|
|
if ( !GLW_CreateWindow ( glConfig.vidWidth, glConfig.vidHeight, colorbits, qtrue ) )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...restoring display settings\n" );
|
|
ChangeDisplaySettings( 0, 0 );
|
|
return RSERR_INVALID_MODE;
|
|
}
|
|
}
|
|
//
|
|
// need to call CDS
|
|
//
|
|
else
|
|
{
|
|
VID_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 )
|
|
{
|
|
VID_Printf( PRINT_ALL, "ok\n" );
|
|
|
|
if ( !GLW_CreateWindow ( glConfig.vidWidth, glConfig.vidHeight, colorbits, qtrue) )
|
|
{
|
|
VID_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;
|
|
|
|
VID_Printf( PRINT_ALL, "failed, " );
|
|
|
|
PrintCDSError( cdsRet );
|
|
|
|
VID_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 )
|
|
{
|
|
VID_Printf( PRINT_ALL, " ok\n" );
|
|
if ( !GLW_CreateWindow( glConfig.vidWidth, glConfig.vidHeight, colorbits, qtrue) )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...restoring display settings\n" );
|
|
ChangeDisplaySettings( 0, 0 );
|
|
return RSERR_INVALID_MODE;
|
|
}
|
|
|
|
glw_state.cdsFullscreen = qtrue;
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, " failed, " );
|
|
|
|
PrintCDSError( cdsRet );
|
|
|
|
VID_Printf( PRINT_ALL, "...restoring display settings\n" );
|
|
ChangeDisplaySettings( 0, 0 );
|
|
|
|
/* jfm: i took out the following code to allow fallback to mode 3, with this code it goes half windowed and just doesn't work.
|
|
glw_state.cdsFullscreen = qfalse;
|
|
glConfig.isFullscreen = qfalse;
|
|
if ( !GLW_CreateWindow( 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( 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;
|
|
}
|
|
|
|
//--------------------------------------------
|
|
static void GLW_InitTextureCompression( void )
|
|
{
|
|
qboolean newer_tc, old_tc;
|
|
|
|
// Check for available tc methods.
|
|
newer_tc = ( strstr( glConfig.extensions_string, "ARB_texture_compression" )
|
|
&& strstr( glConfig.extensions_string, "EXT_texture_compression_s3tc" )) ? qtrue : qfalse;
|
|
old_tc = ( strstr( glConfig.extensions_string, "GL_S3_s3tc" )) ? qtrue : qfalse;
|
|
|
|
if ( old_tc )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...GL_S3_s3tc available\n" );
|
|
}
|
|
|
|
if ( newer_tc )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...GL_EXT_texture_compression_s3tc available\n" );
|
|
}
|
|
|
|
if ( !r_ext_compressed_textures->value )
|
|
{
|
|
// Compressed textures are off
|
|
glConfig.textureCompression = TC_NONE;
|
|
VID_Printf( PRINT_ALL, "...ignoring texture compression\n" );
|
|
}
|
|
else if ( !old_tc && !newer_tc )
|
|
{
|
|
// Requesting texture compression, but no method found
|
|
glConfig.textureCompression = TC_NONE;
|
|
VID_Printf( PRINT_ALL, "...no supported texture compression method found\n" );
|
|
VID_Printf( PRINT_ALL, ".....ignoring texture compression\n" );
|
|
}
|
|
else
|
|
{
|
|
// some form of supported texture compression is avaiable, so see if the user has a preference
|
|
if ( r_ext_preferred_tc_method->integer == TC_NONE )
|
|
{
|
|
// No preference, so pick the best
|
|
if ( newer_tc )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...no tc preference specified\n" );
|
|
VID_Printf( PRINT_ALL, ".....using GL_EXT_texture_compression_s3tc\n" );
|
|
glConfig.textureCompression = TC_S3TC_DXT;
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, "...no tc preference specified\n" );
|
|
VID_Printf( PRINT_ALL, ".....using GL_S3_s3tc\n" );
|
|
glConfig.textureCompression = TC_S3TC;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// User has specified a preference, now see if this request can be honored
|
|
if ( old_tc && newer_tc )
|
|
{
|
|
// both are avaiable, so we can use the desired tc method
|
|
if ( r_ext_preferred_tc_method->integer == TC_S3TC )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...using preferred tc method, GL_S3_s3tc\n" );
|
|
glConfig.textureCompression = TC_S3TC;
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, "...using preferred tc method, GL_EXT_texture_compression_s3tc\n" );
|
|
glConfig.textureCompression = TC_S3TC_DXT;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Both methods are not available, so this gets trickier
|
|
if ( r_ext_preferred_tc_method->integer == TC_S3TC )
|
|
{
|
|
// Preferring to user older compression
|
|
if ( old_tc )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...using GL_S3_s3tc\n" );
|
|
glConfig.textureCompression = TC_S3TC;
|
|
}
|
|
else
|
|
{
|
|
// Drat, preference can't be honored
|
|
VID_Printf( PRINT_ALL, "...preferred tc method, GL_S3_s3tc not available\n" );
|
|
VID_Printf( PRINT_ALL, ".....falling back to GL_EXT_texture_compression_s3tc\n" );
|
|
glConfig.textureCompression = TC_S3TC_DXT;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Preferring to user newer compression
|
|
if ( newer_tc )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...using GL_EXT_texture_compression_s3tc\n" );
|
|
glConfig.textureCompression = TC_S3TC_DXT;
|
|
}
|
|
else
|
|
{
|
|
// Drat, preference can't be honored
|
|
VID_Printf( PRINT_ALL, "...preferred tc method, GL_EXT_texture_compression_s3tc not available\n" );
|
|
VID_Printf( PRINT_ALL, ".....falling back to GL_S3_s3tc\n" );
|
|
glConfig.textureCompression = TC_S3TC;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
** GLW_InitExtensions
|
|
*/
|
|
static void GLW_InitExtensions( void )
|
|
{
|
|
if ( !r_allowExtensions->integer )
|
|
{
|
|
VID_Printf( PRINT_ALL, "*** IGNORING OPENGL EXTENSIONS ***\n" );
|
|
g_bDynamicGlowSupported = false;
|
|
Cvar_Set( "r_DynamicGlow","0" );
|
|
return;
|
|
}
|
|
|
|
VID_Printf( PRINT_ALL, "Initializing OpenGL extensions\n" );
|
|
|
|
// Select our tc scheme
|
|
GLW_InitTextureCompression();
|
|
|
|
// 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;
|
|
VID_Printf( PRINT_ALL, "...using GL_EXT_texture_env_add\n" );
|
|
}
|
|
else
|
|
{
|
|
glConfig.textureEnvAddAvailable = qfalse;
|
|
VID_Printf( PRINT_ALL, "...ignoring GL_EXT_texture_env_add\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, "...GL_EXT_texture_env_add not found\n" );
|
|
}
|
|
|
|
// GL_EXT_texture_filter_anisotropic
|
|
glConfig.maxTextureFilterAnisotropy = 0;
|
|
if ( strstr( glConfig.extensions_string, "EXT_texture_filter_anisotropic" ) )
|
|
{
|
|
#define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF //can't include glext.h here ... sigh
|
|
qglGetFloatv( GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &glConfig.maxTextureFilterAnisotropy );
|
|
Com_Printf ("...GL_EXT_texture_filter_anisotropic available\n" );
|
|
|
|
if ( r_ext_texture_filter_anisotropic->integer>1 )
|
|
{
|
|
Com_Printf ("...using GL_EXT_texture_filter_anisotropic\n" );
|
|
}
|
|
else
|
|
{
|
|
Com_Printf ("...ignoring GL_EXT_texture_filter_anisotropic\n" );
|
|
}
|
|
Cvar_Set( "r_ext_texture_filter_anisotropic_avail", va("%f",glConfig.maxTextureFilterAnisotropy) );
|
|
if ( r_ext_texture_filter_anisotropic->value > glConfig.maxTextureFilterAnisotropy )
|
|
{
|
|
Cvar_Set( "r_ext_texture_filter_anisotropic", va("%f",glConfig.maxTextureFilterAnisotropy) );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Com_Printf ("...GL_EXT_texture_filter_anisotropic not found\n" );
|
|
Cvar_Set( "r_ext_texture_filter_anisotropic_avail", "0" );
|
|
}
|
|
|
|
// GL_EXT_clamp_to_edge
|
|
glConfig.clampToEdgeAvailable = qfalse;
|
|
if ( strstr( glConfig.extensions_string, "GL_EXT_texture_edge_clamp" ) )
|
|
{
|
|
glConfig.clampToEdgeAvailable = qtrue;
|
|
VID_Printf( PRINT_ALL, "...Using GL_EXT_texture_edge_clamp\n" );
|
|
}
|
|
|
|
// WGL_EXT_swap_control
|
|
qwglSwapIntervalEXT = ( BOOL (WINAPI *)(int)) qwglGetProcAddress( "wglSwapIntervalEXT" );
|
|
if ( qwglSwapIntervalEXT )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...using WGL_EXT_swap_control\n" );
|
|
r_swapInterval->modified = qtrue; // force a set next frame
|
|
}
|
|
else
|
|
{
|
|
VID_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 )
|
|
{
|
|
VID_Printf( PRINT_ALL, "...using GL_ARB_multitexture\n" );
|
|
}
|
|
else
|
|
{
|
|
qglMultiTexCoord2fARB = NULL;
|
|
qglActiveTextureARB = NULL;
|
|
qglClientActiveTextureARB = NULL;
|
|
VID_Printf( PRINT_ALL, "...not using GL_ARB_multitexture, < 2 texture units\n" );
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, "...ignoring GL_ARB_multitexture\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
VID_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" ) )
|
|
{
|
|
if ( r_ext_compiled_vertex_array->integer )
|
|
{
|
|
VID_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) {
|
|
Com_Error (ERR_FATAL, "bad getprocaddress");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, "...ignoring GL_EXT_compiled_vertex_array\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, "...GL_EXT_compiled_vertex_array not found\n" );
|
|
}
|
|
|
|
// GL_EXT_point_parameters
|
|
qglPointParameterfEXT = NULL;
|
|
qglPointParameterfvEXT = NULL;
|
|
if ( strstr( glConfig.extensions_string, "GL_EXT_point_parameters" ) )
|
|
{
|
|
if ( r_ext_point_parameters->integer )
|
|
{
|
|
qglPointParameterfEXT = ( void ( APIENTRY * )( GLenum, GLfloat) ) qwglGetProcAddress( "glPointParameterfEXT" );
|
|
qglPointParameterfvEXT = ( void ( APIENTRY * )( GLenum, GLfloat *) ) qwglGetProcAddress( "glPointParameterfvEXT" );
|
|
if (!qglPointParameterfEXT || !qglPointParameterfvEXT)
|
|
{
|
|
VID_Printf( ERR_FATAL, "Bad GetProcAddress for GL_EXT_point_parameters");
|
|
}
|
|
VID_Printf( PRINT_ALL, "...using GL_EXT_point_parameters\n" );
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, "...ignoring GL_EXT_point_parameters\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, "...GL_EXT_point_parameters not found\n" );
|
|
}
|
|
|
|
// GL_NV_point_sprite
|
|
qglPointParameteriNV = NULL;
|
|
qglPointParameterivNV = NULL;
|
|
if ( strstr( glConfig.extensions_string, "GL_NV_point_sprite" ) )
|
|
{
|
|
if ( r_ext_nv_point_sprite->integer )
|
|
{
|
|
qglPointParameteriNV = ( void ( APIENTRY * )( GLenum, GLint) ) qwglGetProcAddress( "glPointParameteriNV" );
|
|
qglPointParameterivNV = ( void ( APIENTRY * )( GLenum, const GLint *) ) qwglGetProcAddress( "glPointParameterivNV" );
|
|
if (!qglPointParameteriNV || !qglPointParameterivNV)
|
|
{
|
|
VID_Printf( ERR_FATAL, "Bad GetProcAddress for GL_NV_point_sprite");
|
|
}
|
|
VID_Printf( PRINT_ALL, "...using GL_NV_point_sprite\n" );
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, "...ignoring GL_NV_point_sprite\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
VID_Printf( PRINT_ALL, "...GL_NV_point_sprite not found\n" );
|
|
}
|
|
|
|
bool bNVRegisterCombiners = false;
|
|
// Register Combiners.
|
|
if ( strstr( glConfig.extensions_string, "GL_NV_register_combiners" ) )
|
|
{
|
|
// NOTE: This extension requires multitexture support (over 2 units).
|
|
if ( glConfig.maxActiveTextures >= 2 )
|
|
{
|
|
bNVRegisterCombiners = true;
|
|
// Register Combiners function pointer address load. - AReis
|
|
// NOTE: VV guys will _definetly_ not be able to use regcoms. Pixel Shaders are just as good though :-)
|
|
// NOTE: Also, this is an nVidia specific extension (of course), so fragment shaders would serve the same purpose
|
|
// if we needed some kind of fragment/pixel manipulation support.
|
|
qglCombinerParameterfvNV = ( PFNGLCOMBINERPARAMETERFVNV ) qwglGetProcAddress( "glCombinerParameterfvNV" );
|
|
qglCombinerParameterivNV = ( PFNGLCOMBINERPARAMETERIVNV ) qwglGetProcAddress( "glCombinerParameterivNV" );
|
|
qglCombinerParameterfNV = ( PFNGLCOMBINERPARAMETERFNV ) qwglGetProcAddress( "glCombinerParameterfNV" );
|
|
qglCombinerParameteriNV = ( PFNGLCOMBINERPARAMETERINV ) qwglGetProcAddress( "glCombinerParameteriNV" );
|
|
qglCombinerInputNV = ( PFNGLCOMBINERINPUTNV ) qwglGetProcAddress( "glCombinerInputNV" );
|
|
qglCombinerOutputNV = ( PFNGLCOMBINEROUTPUTNV ) qwglGetProcAddress( "glCombinerOutputNV" );
|
|
qglFinalCombinerInputNV = ( PFNGLFINALCOMBINERINPUTNV ) qwglGetProcAddress( "glFinalCombinerInputNV" );
|
|
qglGetCombinerInputParameterfvNV = ( PFNGLGETCOMBINERINPUTPARAMETERFVNV ) qwglGetProcAddress( "glGetCombinerInputParameterfvNV" );
|
|
qglGetCombinerInputParameterivNV = ( PFNGLGETCOMBINERINPUTPARAMETERIVNV ) qwglGetProcAddress( "glGetCombinerInputParameterivNV" );
|
|
qglGetCombinerOutputParameterfvNV = ( PFNGLGETCOMBINEROUTPUTPARAMETERFVNV ) qwglGetProcAddress( "glGetCombinerOutputParameterfvNV" );
|
|
qglGetCombinerOutputParameterivNV = ( PFNGLGETCOMBINEROUTPUTPARAMETERIVNV ) qwglGetProcAddress( "glGetCombinerOutputParameterivNV" );
|
|
qglGetFinalCombinerInputParameterfvNV = ( PFNGLGETFINALCOMBINERINPUTPARAMETERFVNV ) qwglGetProcAddress( "glGetFinalCombinerInputParameterfvNV" );
|
|
qglGetFinalCombinerInputParameterivNV = ( PFNGLGETFINALCOMBINERINPUTPARAMETERIVNV ) qwglGetProcAddress( "glGetFinalCombinerInputParameterivNV" );
|
|
|
|
// Validate the functions we need.
|
|
if ( !qglCombinerParameterfvNV || !qglCombinerParameterivNV || !qglCombinerParameterfNV || !qglCombinerParameteriNV || !qglCombinerInputNV ||
|
|
!qglCombinerOutputNV || !qglFinalCombinerInputNV || !qglGetCombinerInputParameterfvNV || !qglGetCombinerInputParameterivNV ||
|
|
!qglGetCombinerOutputParameterfvNV || !qglGetCombinerOutputParameterivNV || !qglGetFinalCombinerInputParameterfvNV || !qglGetFinalCombinerInputParameterivNV )
|
|
{
|
|
bNVRegisterCombiners = false;
|
|
qglCombinerParameterfvNV = NULL;
|
|
qglCombinerParameteriNV = NULL;
|
|
Com_Printf ("...GL_NV_register_combiners failed\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bNVRegisterCombiners = false;
|
|
Com_Printf ("...ignoring GL_NV_register_combiners\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bNVRegisterCombiners = false;
|
|
Com_Printf ("...GL_NV_register_combiners not found\n" );
|
|
}
|
|
|
|
// NOTE: Vertex and Fragment Programs are very dependant on each other - this is actually a
|
|
// good thing! So, just check to see which we support (one or the other) and load the shared
|
|
// function pointers. ARB rocks!
|
|
|
|
// Vertex Programs.
|
|
bool bARBVertexProgram = false;
|
|
if ( strstr( glConfig.extensions_string, "GL_ARB_vertex_program" ) )
|
|
{
|
|
bARBVertexProgram = true;
|
|
}
|
|
else
|
|
{
|
|
bARBVertexProgram = false;
|
|
Com_Printf ("...GL_ARB_vertex_program not found\n" );
|
|
}
|
|
|
|
bool bARBFragmentProgram = false;
|
|
// Fragment Programs.
|
|
if ( strstr( glConfig.extensions_string, "GL_ARB_fragment_program" ) )
|
|
{
|
|
bARBFragmentProgram = true;
|
|
}
|
|
else
|
|
{
|
|
bARBFragmentProgram = false;
|
|
Com_Printf ("...GL_ARB_fragment_program not found\n" );
|
|
}
|
|
|
|
// If we support one or the other, load the shared function pointers.
|
|
if ( bARBVertexProgram || bARBFragmentProgram )
|
|
{
|
|
qglProgramStringARB = (PFNGLPROGRAMSTRINGARBPROC) qwglGetProcAddress("glProgramStringARB");
|
|
qglBindProgramARB = (PFNGLBINDPROGRAMARBPROC) qwglGetProcAddress("glBindProgramARB");
|
|
qglDeleteProgramsARB = (PFNGLDELETEPROGRAMSARBPROC) qwglGetProcAddress("glDeleteProgramsARB");
|
|
qglGenProgramsARB = (PFNGLGENPROGRAMSARBPROC) qwglGetProcAddress("glGenProgramsARB");
|
|
qglProgramEnvParameter4dARB = (PFNGLPROGRAMENVPARAMETER4DARBPROC) qwglGetProcAddress("glProgramEnvParameter4dARB");
|
|
qglProgramEnvParameter4dvARB = (PFNGLPROGRAMENVPARAMETER4DVARBPROC) qwglGetProcAddress("glProgramEnvParameter4dvARB");
|
|
qglProgramEnvParameter4fARB = (PFNGLPROGRAMENVPARAMETER4FARBPROC) qwglGetProcAddress("glProgramEnvParameter4fARB");
|
|
qglProgramEnvParameter4fvARB = (PFNGLPROGRAMENVPARAMETER4FVARBPROC) qwglGetProcAddress("glProgramEnvParameter4fvARB");
|
|
qglProgramLocalParameter4dARB = (PFNGLPROGRAMLOCALPARAMETER4DARBPROC) qwglGetProcAddress("glProgramLocalParameter4dARB");
|
|
qglProgramLocalParameter4dvARB = (PFNGLPROGRAMLOCALPARAMETER4DVARBPROC) qwglGetProcAddress("glProgramLocalParameter4dvARB");
|
|
qglProgramLocalParameter4fARB = (PFNGLPROGRAMLOCALPARAMETER4FARBPROC) qwglGetProcAddress("glProgramLocalParameter4fARB");
|
|
qglProgramLocalParameter4fvARB = (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC) qwglGetProcAddress("glProgramLocalParameter4fvARB");
|
|
qglGetProgramEnvParameterdvARB = (PFNGLGETPROGRAMENVPARAMETERDVARBPROC) qwglGetProcAddress("glGetProgramEnvParameterdvARB");
|
|
qglGetProgramEnvParameterfvARB = (PFNGLGETPROGRAMENVPARAMETERFVARBPROC) qwglGetProcAddress("glGetProgramEnvParameterfvARB");
|
|
qglGetProgramLocalParameterdvARB = (PFNGLGETPROGRAMLOCALPARAMETERDVARBPROC) qwglGetProcAddress("glGetProgramLocalParameterdvARB");
|
|
qglGetProgramLocalParameterfvARB = (PFNGLGETPROGRAMLOCALPARAMETERFVARBPROC) qwglGetProcAddress("glGetProgramLocalParameterfvARB");
|
|
qglGetProgramivARB = (PFNGLGETPROGRAMIVARBPROC) qwglGetProcAddress("glGetProgramivARB");
|
|
qglGetProgramStringARB = (PFNGLGETPROGRAMSTRINGARBPROC) qwglGetProcAddress("glGetProgramStringARB");
|
|
qglIsProgramARB = (PFNGLISPROGRAMARBPROC) qwglGetProcAddress("glIsProgramARB");
|
|
|
|
// Validate the functions we need.
|
|
if ( !qglProgramStringARB || !qglBindProgramARB || !qglDeleteProgramsARB || !qglGenProgramsARB ||
|
|
!qglProgramEnvParameter4dARB || !qglProgramEnvParameter4dvARB || !qglProgramEnvParameter4fARB ||
|
|
!qglProgramEnvParameter4fvARB || !qglProgramLocalParameter4dARB || !qglProgramLocalParameter4dvARB ||
|
|
!qglProgramLocalParameter4fARB || !qglProgramLocalParameter4fvARB || !qglGetProgramEnvParameterdvARB ||
|
|
!qglGetProgramEnvParameterfvARB || !qglGetProgramLocalParameterdvARB || !qglGetProgramLocalParameterfvARB ||
|
|
!qglGetProgramivARB || !qglGetProgramStringARB || !qglIsProgramARB )
|
|
{
|
|
bARBVertexProgram = false;
|
|
bARBFragmentProgram = false;
|
|
qglGenProgramsARB = NULL; //clear ptrs that get checked
|
|
qglProgramEnvParameter4fARB = NULL;
|
|
Com_Printf ("...ignoring GL_ARB_vertex_program\n" );
|
|
Com_Printf ("...ignoring GL_ARB_fragment_program\n" );
|
|
}
|
|
}
|
|
|
|
// Figure out which texture rectangle extension to use.
|
|
bool bTexRectSupported = false;
|
|
if ( strnicmp( glConfig.vendor_string, "ATI Technologies",16 )==0
|
|
&& strnicmp( glConfig.version_string, "1.3.3",5 )==0
|
|
&& glConfig.version_string[5] < '9' ) //1.3.34 and 1.3.37 and 1.3.38 are broken for sure, 1.3.39 is not
|
|
{
|
|
g_bTextureRectangleHack = true;
|
|
}
|
|
|
|
if ( strstr( glConfig.extensions_string, "GL_NV_texture_rectangle" )
|
|
|| strstr( glConfig.extensions_string, "GL_EXT_texture_rectangle" ) )
|
|
{
|
|
bTexRectSupported = true;
|
|
}
|
|
|
|
// OK, so not so good to put this here, but no one else uses it!!! -AReis
|
|
typedef const char * (WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC) (HDC hdc);
|
|
PFNWGLGETEXTENSIONSSTRINGARBPROC qwglGetExtensionsStringARB;
|
|
qwglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC) qwglGetProcAddress("wglGetExtensionsStringARB");
|
|
|
|
const char *wglExtensions = NULL;
|
|
bool bHasPixelFormat = false;
|
|
bool bHasRenderTexture = false;
|
|
|
|
// Get the WGL extensions string.
|
|
if ( qwglGetExtensionsStringARB )
|
|
{
|
|
wglExtensions = qwglGetExtensionsStringARB( glw_state.hDC );
|
|
}
|
|
|
|
// This externsion is used to get the wgl extension string.
|
|
if ( wglExtensions )
|
|
{
|
|
// Pixel Format.
|
|
if ( strstr( wglExtensions, "WGL_ARB_pixel_format" ) )
|
|
{
|
|
qwglGetPixelFormatAttribivARB = (PFNWGLGETPIXELFORMATATTRIBIVARBPROC) qwglGetProcAddress("wglGetPixelFormatAttribivARB");
|
|
qwglGetPixelFormatAttribfvARB = (PFNWGLGETPIXELFORMATATTRIBFVARBPROC) qwglGetProcAddress("wglGetPixelFormatAttribfvARB");
|
|
qwglChoosePixelFormatARB = (PFNWGLCHOOSEPIXELFORMATARBPROC) qwglGetProcAddress("wglChoosePixelFormatARB");
|
|
|
|
// Validate the functions we need.
|
|
if ( !qwglGetPixelFormatAttribivARB || !qwglGetPixelFormatAttribfvARB || !qwglChoosePixelFormatARB )
|
|
{
|
|
Com_Printf ("...ignoring WGL_ARB_pixel_format\n" );
|
|
}
|
|
else
|
|
{
|
|
bHasPixelFormat = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Com_Printf ("...ignoring WGL_ARB_pixel_format\n" );
|
|
}
|
|
|
|
// Offscreen pixel-buffer.
|
|
// NOTE: VV guys can use the equivelant SetRenderTarget() with the correct texture surfaces.
|
|
bool bWGLARBPbuffer = false;
|
|
if ( strstr( wglExtensions, "WGL_ARB_pbuffer" ) && bHasPixelFormat )
|
|
{
|
|
bWGLARBPbuffer = true;
|
|
qwglCreatePbufferARB = (PFNWGLCREATEPBUFFERARBPROC) qwglGetProcAddress("wglCreatePbufferARB");
|
|
qwglGetPbufferDCARB = (PFNWGLGETPBUFFERDCARBPROC) qwglGetProcAddress("wglGetPbufferDCARB");
|
|
qwglReleasePbufferDCARB = (PFNWGLRELEASEPBUFFERDCARBPROC) qwglGetProcAddress("wglReleasePbufferDCARB");
|
|
qwglDestroyPbufferARB = (PFNWGLDESTROYPBUFFERARBPROC) qwglGetProcAddress("wglDestroyPbufferARB");
|
|
qwglQueryPbufferARB = (PFNWGLQUERYPBUFFERARBPROC) qwglGetProcAddress("wglQueryPbufferARB");
|
|
|
|
// Validate the functions we need.
|
|
if ( !qwglCreatePbufferARB || !qwglGetPbufferDCARB || !qwglReleasePbufferDCARB || !qwglDestroyPbufferARB || !qwglQueryPbufferARB )
|
|
{
|
|
bWGLARBPbuffer = false;
|
|
Com_Printf ("...WGL_ARB_pbuffer failed\n" );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bWGLARBPbuffer = false;
|
|
Com_Printf ("...WGL_ARB_pbuffer not found\n" );
|
|
}
|
|
|
|
// Render-Texture (requires pbuffer ext (and it's dependancies of course).
|
|
if ( strstr( wglExtensions, "WGL_ARB_render_texture" ) && bWGLARBPbuffer )
|
|
{
|
|
qwglBindTexImageARB = (PFNWGLBINDTEXIMAGEARBPROC) qwglGetProcAddress("wglBindTexImageARB");
|
|
qwglReleaseTexImageARB = (PFNWGLRELEASETEXIMAGEARBPROC) qwglGetProcAddress("wglReleaseTexImageARB");
|
|
qwglSetPbufferAttribARB = (PFNWGLSETPBUFFERATTRIBARBPROC) qwglGetProcAddress("wglSetPbufferAttribARB");
|
|
|
|
// Validate the functions we need.
|
|
if ( !qwglCreatePbufferARB || !qwglGetPbufferDCARB || !qwglReleasePbufferDCARB || !qwglDestroyPbufferARB || !qwglQueryPbufferARB )
|
|
{
|
|
Com_Printf ("...ignoring WGL_ARB_render_texture\n" );
|
|
}
|
|
else
|
|
{
|
|
bHasRenderTexture = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Com_Printf ("...ignoring WGL_ARB_render_texture\n" );
|
|
}
|
|
}
|
|
|
|
// Find out how many general combiners they have.
|
|
#define GL_MAX_GENERAL_COMBINERS_NV 0x854D
|
|
GLint iNumGeneralCombiners = 0;
|
|
qglGetIntegerv( GL_MAX_GENERAL_COMBINERS_NV, &iNumGeneralCombiners );
|
|
|
|
// Only allow dynamic glows/flares if they have the hardware
|
|
if ( bTexRectSupported && bARBVertexProgram && bHasRenderTexture && qglActiveTextureARB && glConfig.maxActiveTextures >= 4 &&
|
|
( ( bNVRegisterCombiners && iNumGeneralCombiners >= 2 ) || bARBFragmentProgram ) )
|
|
{
|
|
g_bDynamicGlowSupported = true;
|
|
// this would overwrite any achived setting gwg
|
|
// Cvar_Set( "r_DynamicGlow", "1" );
|
|
}
|
|
else
|
|
{
|
|
g_bDynamicGlowSupported = false;
|
|
Cvar_Set( "r_DynamicGlow","0" );
|
|
}
|
|
}
|
|
|
|
/*
|
|
** 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
|
|
{
|
|
VID_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()
|
|
{
|
|
char buffer[1024];
|
|
qboolean cdsFullscreen;
|
|
|
|
Q_strlwr( strcpy( buffer, OPENGL_DRIVER_NAME ) );
|
|
|
|
//
|
|
// 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( r_mode->integer, r_colorbits->integer, cdsFullscreen ) )
|
|
{
|
|
// if we're on a 24/32-bit desktop and we're going fullscreen
|
|
// try it again but with a 16-bit desktop
|
|
if ( r_colorbits->integer != 16 ||
|
|
cdsFullscreen != (int)qtrue ||
|
|
r_mode->integer != 3 )
|
|
{
|
|
if ( !GLW_StartDriverAndSetMode( 3, 16, qtrue ) )
|
|
{
|
|
goto fail;
|
|
}
|
|
}
|
|
}
|
|
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 )
|
|
{
|
|
SwapBuffers( glw_state.hDC );
|
|
}
|
|
|
|
// check logging
|
|
QGL_EnableLogging( r_logFile->integer );
|
|
}
|
|
|
|
static void GLW_StartOpenGL( void )
|
|
{
|
|
//
|
|
// load and initialize the specific OpenGL driver
|
|
//
|
|
if ( !GLW_LoadOpenGL() )
|
|
{
|
|
Com_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[MAX_STRING_CHARS];
|
|
cvar_t *lastValidRenderer = Cvar_Get( "r_lastValidRenderer", "(uninitialized)", CVAR_ARCHIVE );
|
|
cvar_t *cv;
|
|
|
|
VID_Printf( PRINT_ALL, "Initializing OpenGL subsystem\n" );
|
|
|
|
//
|
|
// check OS version to see if we can do fullscreen display changes
|
|
//
|
|
if ( !GLW_CheckOSVersion() )
|
|
{
|
|
Com_Error( ERR_FATAL, "GLimp_Init() - incorrect operating system\n" );
|
|
}
|
|
|
|
// save off hInstance and wndproc
|
|
cv = Cvar_Get( "win_hinstance", "", 0 );
|
|
sscanf( cv->string, "%i", (int *)&g_wv.hInstance );
|
|
|
|
cv = Cvar_Get( "win_wndproc", "", 0 );
|
|
sscanf( cv->string, "%i", (int *)&glw_state.wndproc );
|
|
|
|
r_allowSoftwareGL = Cvar_Get( "r_allowSoftwareGL", "0", CVAR_LATCH );
|
|
|
|
// load appropriate DLL and initialize subsystem
|
|
GLW_StartOpenGL();
|
|
|
|
// get our config strings
|
|
glConfig.vendor_string = (const char *) qglGetString (GL_VENDOR);
|
|
glConfig.renderer_string = (const char *) qglGetString (GL_RENDERER);
|
|
glConfig.version_string = (const char *) qglGetString (GL_VERSION);
|
|
glConfig.extensions_string = (const char *) qglGetString (GL_EXTENSIONS);
|
|
|
|
if (!glConfig.vendor_string || !glConfig.renderer_string || !glConfig.version_string || !glConfig.extensions_string)
|
|
{
|
|
Com_Error( ERR_FATAL, "GLimp_Init() - Invalid GL Driver\n" );
|
|
}
|
|
|
|
// OpenGL driver constants
|
|
qglGetIntegerv( GL_MAX_TEXTURE_SIZE, &glConfig.maxTextureSize );
|
|
// stubbed or broken drivers may have reported 0...
|
|
if ( glConfig.maxTextureSize <= 0 )
|
|
{
|
|
glConfig.maxTextureSize = 0;
|
|
}
|
|
|
|
//
|
|
// chipset specific configuration
|
|
//
|
|
strcpy( buf, glConfig.renderer_string );
|
|
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.
|
|
//
|
|
extern qboolean Sys_LowPhysicalMemory();
|
|
if ( Q_stricmp( lastValidRenderer->string, glConfig.renderer_string ) )
|
|
{
|
|
if (Sys_LowPhysicalMemory())
|
|
{
|
|
Cvar_Set("s_khz", "11");// this will get called before S_Init
|
|
Cvar_Set("cg_VariantSoundCap", "2");
|
|
Cvar_Set("s_allowDynamicMusic","0");
|
|
}
|
|
//reset to defaults
|
|
Cvar_Set( "r_picmip", "1" );
|
|
|
|
// Savage3D and Savage4 should always have trilinear enabled
|
|
if ( strstr( buf, "savage3d" ) || strstr( buf, "s3 savage4" ) || strstr( buf, "geforce" ) || strstr( buf, "quadro" ) )
|
|
{
|
|
Cvar_Set( "r_texturemode", "GL_LINEAR_MIPMAP_LINEAR" );
|
|
}
|
|
else
|
|
{
|
|
Cvar_Set( "r_textureMode", "GL_LINEAR_MIPMAP_NEAREST" );
|
|
}
|
|
|
|
if ( strstr( buf, "kyro" ) )
|
|
{
|
|
Cvar_Set( "r_ext_texture_filter_anisotropic", "0"); //KYROs have it avail, but suck at it!
|
|
Cvar_Set( "r_ext_preferred_tc_method", "1"); //(Use DXT1 instead of DXT5 - same quality but much better performance on KYRO)
|
|
}
|
|
|
|
if ( strstr( buf, "geforce2" ) )
|
|
{
|
|
Cvar_Set( "cg_renderToTextureFX", "0"); // slow to zero bug fix
|
|
}
|
|
|
|
if ( strstr( buf, "radeon 9000" ) )
|
|
{
|
|
Cvar_Set( "cg_renderToTextureFX", "0"); // white texture bug
|
|
}
|
|
|
|
GLW_InitExtensions(); //get the values for test below
|
|
//this must be a really sucky card!
|
|
if ( (glConfig.textureCompression == TC_NONE) || (glConfig.maxActiveTextures < 2) || (glConfig.maxTextureSize <= 512) )
|
|
{
|
|
Cvar_Set( "r_picmip", "2");
|
|
Cvar_Set( "r_colorbits", "16");
|
|
Cvar_Set( "r_texturebits", "16");
|
|
Cvar_Set( "r_mode", "3"); //force 640
|
|
Cmd_ExecuteString ("exec low.cfg\n"); //get the rest which can be pulled in after init
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
VID_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;
|
|
|
|
VID_Printf( PRINT_ALL, "...wglMakeCurrent( NULL, NULL ): %s\n", success[retVal] );
|
|
}
|
|
|
|
// delete HGLRC
|
|
if ( glw_state.hGLRC )
|
|
{
|
|
retVal = qwglDeleteContext( glw_state.hGLRC ) != 0;
|
|
VID_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;
|
|
VID_Printf( PRINT_ALL, "...releasing DC: %s\n", success[retVal] );
|
|
glw_state.hDC = NULL;
|
|
}
|
|
|
|
// destroy window
|
|
if ( g_wv.hWnd )
|
|
{
|
|
VID_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 )
|
|
{
|
|
VID_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 );
|
|
}
|
|
}
|