forked from id-Software/Quake-III-Arena
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tr_init.c
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tr_init.c
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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code 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.
Quake III Arena source code 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 Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
// tr_init.c -- functions that are not called every frame
#include "tr_local.h"
glconfig_t glConfig;
qboolean textureFilterAnisotropic = qfalse;
int maxAnisotropy = 0;
float displayAspect = 0.0f;
qboolean haveClampToEdge = qfalse;
glstate_t glState;
static void GfxInfo_f( void );
#ifdef USE_RENDERER_DLOPEN
cvar_t *com_altivec;
#endif
cvar_t *r_flareSize;
cvar_t *r_flareFade;
cvar_t *r_flareCoeff;
cvar_t *r_railWidth;
cvar_t *r_railCoreWidth;
cvar_t *r_railSegmentLength;
cvar_t *r_ignoreFastPath;
cvar_t *r_verbose;
cvar_t *r_ignore;
cvar_t *r_displayRefresh;
cvar_t *r_detailTextures;
cvar_t *r_znear;
cvar_t *r_zproj;
cvar_t *r_stereoSeparation;
cvar_t *r_skipBackEnd;
cvar_t *r_stereoEnabled;
cvar_t *r_anaglyphMode;
cvar_t *r_greyscale;
cvar_t *r_ignorehwgamma;
cvar_t *r_measureOverdraw;
cvar_t *r_inGameVideo;
cvar_t *r_fastsky;
cvar_t *r_drawSun;
cvar_t *r_dynamiclight;
cvar_t *r_dlightBacks;
cvar_t *r_lodbias;
cvar_t *r_lodscale;
cvar_t *r_norefresh;
cvar_t *r_drawentities;
cvar_t *r_drawworld;
cvar_t *r_speeds;
cvar_t *r_fullbright;
cvar_t *r_novis;
cvar_t *r_nocull;
cvar_t *r_facePlaneCull;
cvar_t *r_showcluster;
cvar_t *r_nocurves;
cvar_t *r_allowExtensions;
cvar_t *r_ext_compressed_textures;
cvar_t *r_ext_multitexture;
cvar_t *r_ext_compiled_vertex_array;
cvar_t *r_ext_texture_env_add;
cvar_t *r_ext_texture_filter_anisotropic;
cvar_t *r_ext_max_anisotropy;
cvar_t *r_ignoreGLErrors;
cvar_t *r_logFile;
cvar_t *r_stencilbits;
cvar_t *r_depthbits;
cvar_t *r_colorbits;
cvar_t *r_primitives;
cvar_t *r_texturebits;
cvar_t *r_ext_multisample;
cvar_t *r_drawBuffer;
cvar_t *r_lightmap;
cvar_t *r_vertexLight;
cvar_t *r_uiFullScreen;
cvar_t *r_shadows;
cvar_t *r_flares;
cvar_t *r_mode;
cvar_t *r_nobind;
cvar_t *r_singleShader;
cvar_t *r_roundImagesDown;
cvar_t *r_colorMipLevels;
cvar_t *r_picmip;
cvar_t *r_showtris;
cvar_t *r_showsky;
cvar_t *r_shownormals;
cvar_t *r_finish;
cvar_t *r_clear;
cvar_t *r_swapInterval;
cvar_t *r_textureMode;
cvar_t *r_offsetFactor;
cvar_t *r_offsetUnits;
cvar_t *r_gamma;
cvar_t *r_intensity;
cvar_t *r_lockpvs;
cvar_t *r_noportals;
cvar_t *r_portalOnly;
cvar_t *r_subdivisions;
cvar_t *r_lodCurveError;
cvar_t *r_fullscreen;
cvar_t *r_noborder;
cvar_t *r_customwidth;
cvar_t *r_customheight;
cvar_t *r_customPixelAspect;
cvar_t *r_overBrightBits;
cvar_t *r_mapOverBrightBits;
cvar_t *r_debugSurface;
cvar_t *r_simpleMipMaps;
cvar_t *r_showImages;
cvar_t *r_ambientScale;
cvar_t *r_directedScale;
cvar_t *r_debugLight;
cvar_t *r_debugSort;
cvar_t *r_printShaders;
cvar_t *r_saveFontData;
cvar_t *r_marksOnTriangleMeshes;
cvar_t *r_aviMotionJpegQuality;
cvar_t *r_screenshotJpegQuality;
cvar_t *r_maxpolys;
int max_polys;
cvar_t *r_maxpolyverts;
int max_polyverts;
/*
** InitOpenGL
**
** This function is responsible for initializing a valid OpenGL subsystem. This
** is done by calling GLimp_Init (which gives us a working OGL subsystem) then
** setting variables, checking GL constants, and reporting the gfx system config
** to the user.
*/
static void InitOpenGL( void )
{
//
// initialize OS specific portions of the renderer
//
// GLimp_Init directly or indirectly references the following cvars:
// - r_fullscreen
// - r_mode
// - r_(color|depth|stencil)bits
// - r_ignorehwgamma
// - r_gamma
//
if ( glConfig.vidWidth == 0 )
{
GLint temp;
GLimp_Init( qtrue );
// OpenGL driver constants
qglGetIntegerv( GL_MAX_TEXTURE_SIZE, &temp );
glConfig.maxTextureSize = temp;
// stubbed or broken drivers may have reported 0...
if ( glConfig.maxTextureSize <= 0 )
{
glConfig.maxTextureSize = 0;
}
}
// set default state
GL_SetDefaultState();
}
/*
==================
GL_CheckErrors
==================
*/
void GL_CheckErrors( void ) {
int err;
char s[64];
err = qglGetError();
if ( err == GL_NO_ERROR ) {
return;
}
if ( r_ignoreGLErrors->integer ) {
return;
}
switch( err ) {
case GL_INVALID_ENUM:
strcpy( s, "GL_INVALID_ENUM" );
break;
case GL_INVALID_VALUE:
strcpy( s, "GL_INVALID_VALUE" );
break;
case GL_INVALID_OPERATION:
strcpy( s, "GL_INVALID_OPERATION" );
break;
case GL_STACK_OVERFLOW:
strcpy( s, "GL_STACK_OVERFLOW" );
break;
case GL_STACK_UNDERFLOW:
strcpy( s, "GL_STACK_UNDERFLOW" );
break;
case GL_OUT_OF_MEMORY:
strcpy( s, "GL_OUT_OF_MEMORY" );
break;
default:
Com_sprintf( s, sizeof(s), "%i", err);
break;
}
ri.Error( ERR_FATAL, "GL_CheckErrors: %s", s );
}
/*
** R_GetModeInfo
*/
typedef struct vidmode_s
{
const char *description;
int width, height;
float pixelAspect; // pixel width / height
} vidmode_t;
vidmode_t r_vidModes[] =
{
{ "Mode 0: 320x240", 320, 240, 1 },
{ "Mode 1: 400x300", 400, 300, 1 },
{ "Mode 2: 512x384", 512, 384, 1 },
{ "Mode 3: 640x480", 640, 480, 1 },
{ "Mode 4: 800x600", 800, 600, 1 },
{ "Mode 5: 960x720", 960, 720, 1 },
{ "Mode 6: 1024x768", 1024, 768, 1 },
{ "Mode 7: 1152x864", 1152, 864, 1 },
{ "Mode 8: 1280x1024", 1280, 1024, 1 },
{ "Mode 9: 1600x1200", 1600, 1200, 1 },
{ "Mode 10: 2048x1536", 2048, 1536, 1 },
{ "Mode 11: 856x480 (wide)",856, 480, 1 }
};
static int s_numVidModes = ARRAY_LEN( r_vidModes );
qboolean R_GetModeInfo( int *width, int *height, float *windowAspect, int mode ) {
vidmode_t *vm;
float pixelAspect;
if ( mode < -1 ) {
return qfalse;
}
if ( mode >= s_numVidModes ) {
return qfalse;
}
if ( mode == -1 ) {
*width = r_customwidth->integer;
*height = r_customheight->integer;
pixelAspect = r_customPixelAspect->value;
} else {
vm = &r_vidModes[mode];
*width = vm->width;
*height = vm->height;
pixelAspect = vm->pixelAspect;
}
*windowAspect = (float)*width / ( *height * pixelAspect );
return qtrue;
}
/*
** R_ModeList_f
*/
static void R_ModeList_f( void )
{
int i;
ri.Printf( PRINT_ALL, "\n" );
for ( i = 0; i < s_numVidModes; i++ )
{
ri.Printf( PRINT_ALL, "%s\n", r_vidModes[i].description );
}
ri.Printf( PRINT_ALL, "\n" );
}
/*
==============================================================================
SCREEN SHOTS
NOTE TTimo
some thoughts about the screenshots system:
screenshots get written in fs_homepath + fs_gamedir
vanilla q3 .. baseq3/screenshots/ *.tga
team arena .. missionpack/screenshots/ *.tga
two commands: "screenshot" and "screenshotJPEG"
we use statics to store a count and start writing the first screenshot/screenshot????.tga (.jpg) available
(with FS_FileExists / FS_FOpenFileWrite calls)
FIXME: the statics don't get a reinit between fs_game changes
==============================================================================
*/
/*
==================
RB_ReadPixels
Reads an image but takes care of alignment issues for reading RGB images.
Reads a minimum offset for where the RGB data starts in the image from
integer stored at pointer offset. When the function has returned the actual
offset was written back to address offset. This address will always have an
alignment of packAlign to ensure efficient copying.
Stores the length of padding after a line of pixels to address padlen
Return value must be freed with ri.Hunk_FreeTempMemory()
==================
*/
byte *RB_ReadPixels(int x, int y, int width, int height, size_t *offset, int *padlen)
{
byte *buffer, *bufstart;
int padwidth, linelen;
GLint packAlign;
qglGetIntegerv(GL_PACK_ALIGNMENT, &packAlign);
linelen = width * 3;
padwidth = PAD(linelen, packAlign);
// Allocate a few more bytes so that we can choose an alignment we like
buffer = ri.Hunk_AllocateTempMemory(padwidth * height + *offset + packAlign - 1);
bufstart = PADP((intptr_t) buffer + *offset, packAlign);
qglReadPixels(x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, bufstart);
*offset = bufstart - buffer;
*padlen = padwidth - linelen;
return buffer;
}
/*
==================
RB_TakeScreenshot
==================
*/
void RB_TakeScreenshot(int x, int y, int width, int height, char *fileName)
{
byte *allbuf, *buffer;
byte *srcptr, *destptr;
byte *endline, *endmem;
byte temp;
int linelen, padlen;
size_t offset = 18, memcount;
allbuf = RB_ReadPixels(x, y, width, height, &offset, &padlen);
buffer = allbuf + offset - 18;
Com_Memset (buffer, 0, 18);
buffer[2] = 2; // uncompressed type
buffer[12] = width & 255;
buffer[13] = width >> 8;
buffer[14] = height & 255;
buffer[15] = height >> 8;
buffer[16] = 24; // pixel size
// swap rgb to bgr and remove padding from line endings
linelen = width * 3;
srcptr = destptr = allbuf + offset;
endmem = srcptr + (linelen + padlen) * height;
while(srcptr < endmem)
{
endline = srcptr + linelen;
while(srcptr < endline)
{
temp = srcptr[0];
*destptr++ = srcptr[2];
*destptr++ = srcptr[1];
*destptr++ = temp;
srcptr += 3;
}
// Skip the pad
srcptr += padlen;
}
memcount = linelen * height;
// gamma correct
if(glConfig.deviceSupportsGamma)
R_GammaCorrect(allbuf + offset, memcount);
ri.FS_WriteFile(fileName, buffer, memcount + 18);
ri.Hunk_FreeTempMemory(allbuf);
}
/*
==================
RB_TakeScreenshotJPEG
==================
*/
void RB_TakeScreenshotJPEG(int x, int y, int width, int height, char *fileName)
{
byte *buffer;
size_t offset = 0, memcount;
int padlen;
buffer = RB_ReadPixels(x, y, width, height, &offset, &padlen);
memcount = (width * 3 + padlen) * height;
// gamma correct
if(glConfig.deviceSupportsGamma)
R_GammaCorrect(buffer + offset, memcount);
RE_SaveJPG(fileName, r_screenshotJpegQuality->integer, width, height, buffer + offset, padlen);
ri.Hunk_FreeTempMemory(buffer);
}
/*
==================
RB_TakeScreenshotCmd
==================
*/
const void *RB_TakeScreenshotCmd( const void *data ) {
const screenshotCommand_t *cmd;
cmd = (const screenshotCommand_t *)data;
if (cmd->jpeg)
RB_TakeScreenshotJPEG( cmd->x, cmd->y, cmd->width, cmd->height, cmd->fileName);
else
RB_TakeScreenshot( cmd->x, cmd->y, cmd->width, cmd->height, cmd->fileName);
return (const void *)(cmd + 1);
}
/*
==================
R_TakeScreenshot
==================
*/
void R_TakeScreenshot( int x, int y, int width, int height, char *name, qboolean jpeg ) {
static char fileName[MAX_OSPATH]; // bad things if two screenshots per frame?
screenshotCommand_t *cmd;
cmd = R_GetCommandBuffer( sizeof( *cmd ) );
if ( !cmd ) {
return;
}
cmd->commandId = RC_SCREENSHOT;
cmd->x = x;
cmd->y = y;
cmd->width = width;
cmd->height = height;
Q_strncpyz( fileName, name, sizeof(fileName) );
cmd->fileName = fileName;
cmd->jpeg = jpeg;
}
/*
==================
R_ScreenshotFilename
==================
*/
void R_ScreenshotFilename( int lastNumber, char *fileName ) {
int a,b,c,d;
if ( lastNumber < 0 || lastNumber > 9999 ) {
Com_sprintf( fileName, MAX_OSPATH, "screenshots/shot9999.tga" );
return;
}
a = lastNumber / 1000;
lastNumber -= a*1000;
b = lastNumber / 100;
lastNumber -= b*100;
c = lastNumber / 10;
lastNumber -= c*10;
d = lastNumber;
Com_sprintf( fileName, MAX_OSPATH, "screenshots/shot%i%i%i%i.tga"
, a, b, c, d );
}
/*
==================
R_ScreenshotFilename
==================
*/
void R_ScreenshotFilenameJPEG( int lastNumber, char *fileName ) {
int a,b,c,d;
if ( lastNumber < 0 || lastNumber > 9999 ) {
Com_sprintf( fileName, MAX_OSPATH, "screenshots/shot9999.jpg" );
return;
}
a = lastNumber / 1000;
lastNumber -= a*1000;
b = lastNumber / 100;
lastNumber -= b*100;
c = lastNumber / 10;
lastNumber -= c*10;
d = lastNumber;
Com_sprintf( fileName, MAX_OSPATH, "screenshots/shot%i%i%i%i.jpg"
, a, b, c, d );
}
/*
====================
R_LevelShot
levelshots are specialized 128*128 thumbnails for
the menu system, sampled down from full screen distorted images
====================
*/
void R_LevelShot( void ) {
char checkname[MAX_OSPATH];
byte *buffer;
byte *source, *allsource;
byte *src, *dst;
size_t offset = 0;
int padlen;
int x, y;
int r, g, b;
float xScale, yScale;
int xx, yy;
Com_sprintf(checkname, sizeof(checkname), "levelshots/%s.tga", tr.world->baseName);
allsource = RB_ReadPixels(0, 0, glConfig.vidWidth, glConfig.vidHeight, &offset, &padlen);
source = allsource + offset;
buffer = ri.Hunk_AllocateTempMemory(128 * 128*3 + 18);
Com_Memset (buffer, 0, 18);
buffer[2] = 2; // uncompressed type
buffer[12] = 128;
buffer[14] = 128;
buffer[16] = 24; // pixel size
// resample from source
xScale = glConfig.vidWidth / 512.0f;
yScale = glConfig.vidHeight / 384.0f;
for ( y = 0 ; y < 128 ; y++ ) {
for ( x = 0 ; x < 128 ; x++ ) {
r = g = b = 0;
for ( yy = 0 ; yy < 3 ; yy++ ) {
for ( xx = 0 ; xx < 4 ; xx++ ) {
src = source + (3 * glConfig.vidWidth + padlen) * (int)((y*3 + yy) * yScale) +
3 * (int) ((x*4 + xx) * xScale);
r += src[0];
g += src[1];
b += src[2];
}
}
dst = buffer + 18 + 3 * ( y * 128 + x );
dst[0] = b / 12;
dst[1] = g / 12;
dst[2] = r / 12;
}
}
// gamma correct
if ( glConfig.deviceSupportsGamma ) {
R_GammaCorrect( buffer + 18, 128 * 128 * 3 );
}
ri.FS_WriteFile( checkname, buffer, 128 * 128*3 + 18 );
ri.Hunk_FreeTempMemory(buffer);
ri.Hunk_FreeTempMemory(allsource);
ri.Printf( PRINT_ALL, "Wrote %s\n", checkname );
}
/*
==================
R_ScreenShot_f
screenshot
screenshot [silent]
screenshot [levelshot]
screenshot [filename]
Doesn't print the pacifier message if there is a second arg
==================
*/
void R_ScreenShot_f (void) {
char checkname[MAX_OSPATH];
static int lastNumber = -1;
qboolean silent;
if ( !strcmp( ri.Cmd_Argv(1), "levelshot" ) ) {
R_LevelShot();
return;
}
if ( !strcmp( ri.Cmd_Argv(1), "silent" ) ) {
silent = qtrue;
} else {
silent = qfalse;
}
if ( ri.Cmd_Argc() == 2 && !silent ) {
// explicit filename
Com_sprintf( checkname, MAX_OSPATH, "screenshots/%s.tga", ri.Cmd_Argv( 1 ) );
} else {
// scan for a free filename
// if we have saved a previous screenshot, don't scan
// again, because recording demo avis can involve
// thousands of shots
if ( lastNumber == -1 ) {
lastNumber = 0;
}
// scan for a free number
for ( ; lastNumber <= 9999 ; lastNumber++ ) {
R_ScreenshotFilename( lastNumber, checkname );
if (!ri.FS_FileExists( checkname ))
{
break; // file doesn't exist
}
}
if ( lastNumber >= 9999 ) {
ri.Printf (PRINT_ALL, "ScreenShot: Couldn't create a file\n");
return;
}
lastNumber++;
}
R_TakeScreenshot( 0, 0, glConfig.vidWidth, glConfig.vidHeight, checkname, qfalse );
if ( !silent ) {
ri.Printf (PRINT_ALL, "Wrote %s\n", checkname);
}
}
void R_ScreenShotJPEG_f (void) {
char checkname[MAX_OSPATH];
static int lastNumber = -1;
qboolean silent;
if ( !strcmp( ri.Cmd_Argv(1), "levelshot" ) ) {
R_LevelShot();
return;
}
if ( !strcmp( ri.Cmd_Argv(1), "silent" ) ) {
silent = qtrue;
} else {
silent = qfalse;
}
if ( ri.Cmd_Argc() == 2 && !silent ) {
// explicit filename
Com_sprintf( checkname, MAX_OSPATH, "screenshots/%s.jpg", ri.Cmd_Argv( 1 ) );
} else {
// scan for a free filename
// if we have saved a previous screenshot, don't scan
// again, because recording demo avis can involve
// thousands of shots
if ( lastNumber == -1 ) {
lastNumber = 0;
}
// scan for a free number
for ( ; lastNumber <= 9999 ; lastNumber++ ) {
R_ScreenshotFilenameJPEG( lastNumber, checkname );
if (!ri.FS_FileExists( checkname ))
{
break; // file doesn't exist
}
}
if ( lastNumber == 10000 ) {
ri.Printf (PRINT_ALL, "ScreenShot: Couldn't create a file\n");
return;
}
lastNumber++;
}
R_TakeScreenshot( 0, 0, glConfig.vidWidth, glConfig.vidHeight, checkname, qtrue );
if ( !silent ) {
ri.Printf (PRINT_ALL, "Wrote %s\n", checkname);
}
}
//============================================================================
/*
==================
RB_TakeVideoFrameCmd
==================
*/
const void *RB_TakeVideoFrameCmd( const void *data )
{
const videoFrameCommand_t *cmd;
byte *cBuf;
size_t memcount, linelen;
int padwidth, avipadwidth, padlen, avipadlen;
GLint packAlign;
cmd = (const videoFrameCommand_t *)data;
qglGetIntegerv(GL_PACK_ALIGNMENT, &packAlign);
linelen = cmd->width * 3;
// Alignment stuff for glReadPixels
padwidth = PAD(linelen, packAlign);
padlen = padwidth - linelen;
// AVI line padding
avipadwidth = PAD(linelen, AVI_LINE_PADDING);
avipadlen = avipadwidth - linelen;
cBuf = PADP(cmd->captureBuffer, packAlign);
qglReadPixels(0, 0, cmd->width, cmd->height, GL_RGB,
GL_UNSIGNED_BYTE, cBuf);
memcount = padwidth * cmd->height;
// gamma correct
if(glConfig.deviceSupportsGamma)
R_GammaCorrect(cBuf, memcount);
if(cmd->motionJpeg)
{
memcount = RE_SaveJPGToBuffer(cmd->encodeBuffer, linelen * cmd->height,
r_aviMotionJpegQuality->integer,
cmd->width, cmd->height, cBuf, padlen);
ri.CL_WriteAVIVideoFrame(cmd->encodeBuffer, memcount);
}
else
{
byte *lineend, *memend;
byte *srcptr, *destptr;
srcptr = cBuf;
destptr = cmd->encodeBuffer;
memend = srcptr + memcount;
// swap R and B and remove line paddings
while(srcptr < memend)
{
lineend = srcptr + linelen;
while(srcptr < lineend)
{
*destptr++ = srcptr[2];
*destptr++ = srcptr[1];
*destptr++ = srcptr[0];
srcptr += 3;
}
Com_Memset(destptr, '\0', avipadlen);
destptr += avipadlen;
srcptr += padlen;
}
ri.CL_WriteAVIVideoFrame(cmd->encodeBuffer, avipadwidth * cmd->height);
}
return (const void *)(cmd + 1);
}
//============================================================================
/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
qglClearDepth( 1.0f );
qglCullFace(GL_FRONT);
qglColor4f (1,1,1,1);
// initialize downstream texture unit if we're running
// in a multitexture environment
if ( qglActiveTextureARB ) {
GL_SelectTexture( 1 );
GL_TextureMode( r_textureMode->string );
GL_TexEnv( GL_MODULATE );
qglDisable( GL_TEXTURE_2D );
GL_SelectTexture( 0 );
}
qglEnable(GL_TEXTURE_2D);
GL_TextureMode( r_textureMode->string );
GL_TexEnv( GL_MODULATE );
qglShadeModel( GL_SMOOTH );
qglDepthFunc( GL_LEQUAL );
// the vertex array is always enabled, but the color and texture
// arrays are enabled and disabled around the compiled vertex array call
qglEnableClientState (GL_VERTEX_ARRAY);
//
// make sure our GL state vector is set correctly
//
glState.glStateBits = GLS_DEPTHTEST_DISABLE | GLS_DEPTHMASK_TRUE;
qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
qglDepthMask( GL_TRUE );
qglDisable( GL_DEPTH_TEST );
qglEnable( GL_SCISSOR_TEST );
qglDisable( GL_CULL_FACE );
qglDisable( GL_BLEND );
}
/*
================
R_PrintLongString
Workaround for ri.Printf's 1024 characters buffer limit.
================
*/
void R_PrintLongString(const char *string) {
char buffer[1024];
const char *p;
int size = strlen(string);
p = string;
while(size > 0)
{
Q_strncpyz(buffer, p, sizeof (buffer) );
ri.Printf( PRINT_ALL, "%s", buffer );
p += 1023;
size -= 1023;
}
}
/*
================
GfxInfo_f
================
*/
void GfxInfo_f( void )
{
const char *enablestrings[] =
{
"disabled",
"enabled"
};
const char *fsstrings[] =
{
"windowed",
"fullscreen"
};
ri.Printf( PRINT_ALL, "\nGL_VENDOR: %s\n", glConfig.vendor_string );
ri.Printf( PRINT_ALL, "GL_RENDERER: %s\n", glConfig.renderer_string );
ri.Printf( PRINT_ALL, "GL_VERSION: %s\n", glConfig.version_string );
ri.Printf( PRINT_ALL, "GL_EXTENSIONS: " );
if ( qglGetStringi )
{
GLint numExtensions;
int i;
qglGetIntegerv( GL_NUM_EXTENSIONS, &numExtensions );
for ( i = 0; i < numExtensions; i++ )
{
ri.Printf( PRINT_ALL, "%s ", qglGetStringi( GL_EXTENSIONS, i ) );
}
}
else
{
R_PrintLongString( glConfig.extensions_string );
}
ri.Printf( PRINT_ALL, "\n" );
ri.Printf( PRINT_ALL, "GL_MAX_TEXTURE_SIZE: %d\n", glConfig.maxTextureSize );
ri.Printf( PRINT_ALL, "GL_MAX_TEXTURE_UNITS_ARB: %d\n", glConfig.numTextureUnits );
ri.Printf( PRINT_ALL, "\nPIXELFORMAT: color(%d-bits) Z(%d-bit) stencil(%d-bits)\n", glConfig.colorBits, glConfig.depthBits, glConfig.stencilBits );
ri.Printf( PRINT_ALL, "MODE: %d, %d x %d %s hz:", r_mode->integer, glConfig.vidWidth, glConfig.vidHeight, fsstrings[r_fullscreen->integer == 1] );
if ( glConfig.displayFrequency )
{
ri.Printf( PRINT_ALL, "%d\n", glConfig.displayFrequency );
}
else
{
ri.Printf( PRINT_ALL, "N/A\n" );
}
if ( glConfig.deviceSupportsGamma )
{
ri.Printf( PRINT_ALL, "GAMMA: hardware w/ %d overbright bits\n", tr.overbrightBits );
}
else
{
ri.Printf( PRINT_ALL, "GAMMA: software w/ %d overbright bits\n", tr.overbrightBits );
}
// rendering primitives
{
int primitives;
// default is to use triangles if compiled vertex arrays are present
ri.Printf( PRINT_ALL, "rendering primitives: " );
primitives = r_primitives->integer;
if ( primitives == 0 ) {
if ( qglLockArraysEXT ) {
primitives = 2;
} else {
primitives = 1;
}
}
if ( primitives == -1 ) {
ri.Printf( PRINT_ALL, "none\n" );
} else if ( primitives == 2 ) {
ri.Printf( PRINT_ALL, "single glDrawElements\n" );
} else if ( primitives == 1 ) {
ri.Printf( PRINT_ALL, "multiple glArrayElement\n" );
} else if ( primitives == 3 ) {
ri.Printf( PRINT_ALL, "multiple glColor4ubv + glTexCoord2fv + glVertex3fv\n" );
}
}
ri.Printf( PRINT_ALL, "texturemode: %s\n", r_textureMode->string );
ri.Printf( PRINT_ALL, "picmip: %d\n", r_picmip->integer );
ri.Printf( PRINT_ALL, "texture bits: %d\n", r_texturebits->integer );
ri.Printf( PRINT_ALL, "multitexture: %s\n", enablestrings[qglActiveTextureARB != 0] );
ri.Printf( PRINT_ALL, "compiled vertex arrays: %s\n", enablestrings[qglLockArraysEXT != 0 ] );
ri.Printf( PRINT_ALL, "texenv add: %s\n", enablestrings[glConfig.textureEnvAddAvailable != 0] );
ri.Printf( PRINT_ALL, "compressed textures: %s\n", enablestrings[glConfig.textureCompression!=TC_NONE] );
if ( r_vertexLight->integer || glConfig.hardwareType == GLHW_PERMEDIA2 )
{
ri.Printf( PRINT_ALL, "HACK: using vertex lightmap approximation\n" );
}
if ( glConfig.hardwareType == GLHW_RAGEPRO )
{
ri.Printf( PRINT_ALL, "HACK: ragePro approximations\n" );
}
if ( glConfig.hardwareType == GLHW_RIVA128 )
{
ri.Printf( PRINT_ALL, "HACK: riva128 approximations\n" );
}
if ( r_finish->integer ) {