ref: bf5dc91f8d7bc2035effd18290c523050fa1b2cd
dir: /code/renderer/tr_init.c/
/*
===========================================================================
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 Foobar; 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;
glstate_t glState;
static void GfxInfo_f( void );
cvar_t *r_flareSize;
cvar_t *r_flareFade;
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_smp;
cvar_t *r_showSmp;
cvar_t *r_skipBackEnd;
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_gamma_control;
cvar_t *r_ext_multitexture;
cvar_t *r_ext_compiled_vertex_array;
cvar_t *r_ext_texture_env_add;
cvar_t *r_ignoreGLErrors;
cvar_t *r_logFile;
cvar_t *r_stencilbits;
cvar_t *r_depthbits;
cvar_t *r_colorbits;
cvar_t *r_stereo;
cvar_t *r_primitives;
cvar_t *r_texturebits;
cvar_t *r_drawBuffer;
cvar_t *r_glDriver;
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_customwidth;
cvar_t *r_customheight;
cvar_t *r_customaspect;
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_maxpolys;
int max_polys;
cvar_t *r_maxpolyverts;
int max_polyverts;
void ( APIENTRY * qglMultiTexCoord2fARB )( GLenum texture, GLfloat s, GLfloat t );
void ( APIENTRY * qglActiveTextureARB )( GLenum texture );
void ( APIENTRY * qglClientActiveTextureARB )( GLenum texture );
void ( APIENTRY * qglLockArraysEXT)( GLint, GLint);
void ( APIENTRY * qglUnlockArraysEXT) ( void );
static void AssertCvarRange( cvar_t *cv, float minVal, float maxVal, qboolean shouldBeIntegral )
{
if ( shouldBeIntegral )
{
if ( ( int ) cv->value != cv->integer )
{
ri.Printf( PRINT_WARNING, "WARNING: cvar '%s' must be integral (%f)\n", cv->name, cv->value );
ri.Cvar_Set( cv->name, va( "%d", cv->integer ) );
}
}
if ( cv->value < minVal )
{
ri.Printf( PRINT_WARNING, "WARNING: cvar '%s' out of range (%f < %f)\n", cv->name, cv->value, minVal );
ri.Cvar_Set( cv->name, va( "%f", minVal ) );
}
else if ( cv->value > maxVal )
{
ri.Printf( PRINT_WARNING, "WARNING: cvar '%s' out of range (%f > %f)\n", cv->name, cv->value, maxVal );
ri.Cvar_Set( cv->name, va( "%f", maxVal ) );
}
}
/*
** 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 )
{
char renderer_buffer[1024];
//
// initialize OS specific portions of the renderer
//
// GLimp_Init directly or indirectly references the following cvars:
// - r_fullscreen
// - r_glDriver
// - r_mode
// - r_(color|depth|stencil)bits
// - r_ignorehwgamma
// - r_gamma
//
if ( glConfig.vidWidth == 0 )
{
GLint temp;
GLimp_Init();
strcpy( renderer_buffer, glConfig.renderer_string );
Q_strlwr( renderer_buffer );
// 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;
}
}
// init command buffers and SMP
R_InitCommandBuffers();
// print info
GfxInfo_f();
// 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 = ( sizeof( r_vidModes ) / sizeof( r_vidModes[0] ) );
qboolean R_GetModeInfo( int *width, int *height, float *windowAspect, int mode ) {
vidmode_t *vm;
if ( mode < -1 ) {
return qfalse;
}
if ( mode >= s_numVidModes ) {
return qfalse;
}
if ( mode == -1 ) {
*width = r_customwidth->integer;
*height = r_customheight->integer;
*windowAspect = r_customaspect->value;
return qtrue;
}
vm = &r_vidModes[mode];
*width = vm->width;
*height = vm->height;
*windowAspect = (float)vm->width / ( vm->height * vm->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_TakeScreenshot
==================
*/
void RB_TakeScreenshot( int x, int y, int width, int height, char *fileName ) {
byte *buffer;
int i, c, temp;
buffer = ri.Hunk_AllocateTempMemory(glConfig.vidWidth*glConfig.vidHeight*3+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
qglReadPixels( x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer+18 );
// swap rgb to bgr
c = 18 + width * height * 3;
for (i=18 ; i<c ; i+=3) {
temp = buffer[i];
buffer[i] = buffer[i+2];
buffer[i+2] = temp;
}
// gamma correct
if ( ( tr.overbrightBits > 0 ) && glConfig.deviceSupportsGamma ) {
R_GammaCorrect( buffer + 18, glConfig.vidWidth * glConfig.vidHeight * 3 );
}
ri.FS_WriteFile( fileName, buffer, c );
ri.Hunk_FreeTempMemory( buffer );
}
/*
==================
RB_TakeScreenshotJPEG
==================
*/
void RB_TakeScreenshotJPEG( int x, int y, int width, int height, char *fileName ) {
byte *buffer;
buffer = ri.Hunk_AllocateTempMemory(glConfig.vidWidth*glConfig.vidHeight*4);
qglReadPixels( x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer );
// gamma correct
if ( ( tr.overbrightBits > 0 ) && glConfig.deviceSupportsGamma ) {
R_GammaCorrect( buffer, glConfig.vidWidth * glConfig.vidHeight * 4 );
}
ri.FS_WriteFile( fileName, buffer, 1 ); // create path
SaveJPG( fileName, 95, glConfig.vidWidth, glConfig.vidHeight, buffer);
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;
byte *src, *dst;
int x, y;
int r, g, b;
float xScale, yScale;
int xx, yy;
sprintf( checkname, "levelshots/%s.tga", tr.world->baseName );
source = ri.Hunk_AllocateTempMemory( glConfig.vidWidth * glConfig.vidHeight * 3 );
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
qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_RGB, GL_UNSIGNED_BYTE, source );
// 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 * (int)( (y*3+yy)*yScale ) + (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 ( ( tr.overbrightBits > 0 ) && 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( source );
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);
}
}
//============================================================================
/*
** 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 );
}
/*
================
GfxInfo_f
================
*/
void GfxInfo_f( void )
{
cvar_t *sys_cpustring = ri.Cvar_Get( "sys_cpustring", "", 0 );
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: %s\n", glConfig.extensions_string );
ri.Printf( PRINT_ALL, "GL_MAX_TEXTURE_SIZE: %d\n", glConfig.maxTextureSize );
ri.Printf( PRINT_ALL, "GL_MAX_ACTIVE_TEXTURES_ARB: %d\n", glConfig.maxActiveTextures );
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 );
}
ri.Printf( PRINT_ALL, "CPU: %s\n", sys_cpustring->string );
// 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 ( glConfig.smpActive ) {
ri.Printf( PRINT_ALL, "Using dual processor acceleration\n" );
}
if ( r_finish->integer ) {
ri.Printf( PRINT_ALL, "Forcing glFinish\n" );
}
}
/*
===============
R_Register
===============
*/
void R_Register( void )
{
//
// latched and archived variables
//
r_glDriver = ri.Cvar_Get( "r_glDriver", OPENGL_DRIVER_NAME, CVAR_ARCHIVE | CVAR_LATCH );
r_allowExtensions = ri.Cvar_Get( "r_allowExtensions", "1", CVAR_ARCHIVE | CVAR_LATCH );
r_ext_compressed_textures = ri.Cvar_Get( "r_ext_compressed_textures", "0", CVAR_ARCHIVE | CVAR_LATCH );
r_ext_gamma_control = ri.Cvar_Get( "r_ext_gamma_control", "1", CVAR_ARCHIVE | CVAR_LATCH );
r_ext_multitexture = ri.Cvar_Get( "r_ext_multitexture", "1", CVAR_ARCHIVE | CVAR_LATCH );
r_ext_compiled_vertex_array = ri.Cvar_Get( "r_ext_compiled_vertex_array", "1", CVAR_ARCHIVE | CVAR_LATCH);
#ifdef __linux__ // broken on linux
r_ext_texture_env_add = ri.Cvar_Get( "r_ext_texture_env_add", "0", CVAR_ARCHIVE | CVAR_LATCH);
#else
r_ext_texture_env_add = ri.Cvar_Get( "r_ext_texture_env_add", "1", CVAR_ARCHIVE | CVAR_LATCH);
#endif
r_picmip = ri.Cvar_Get ("r_picmip", "1", CVAR_ARCHIVE | CVAR_LATCH );
r_roundImagesDown = ri.Cvar_Get ("r_roundImagesDown", "1", CVAR_ARCHIVE | CVAR_LATCH );
r_colorMipLevels = ri.Cvar_Get ("r_colorMipLevels", "0", CVAR_LATCH );
AssertCvarRange( r_picmip, 0, 16, qtrue );
r_detailTextures = ri.Cvar_Get( "r_detailtextures", "1", CVAR_ARCHIVE | CVAR_LATCH );
r_texturebits = ri.Cvar_Get( "r_texturebits", "0", CVAR_ARCHIVE | CVAR_LATCH );
r_colorbits = ri.Cvar_Get( "r_colorbits", "0", CVAR_ARCHIVE | CVAR_LATCH );
r_stereo = ri.Cvar_Get( "r_stereo", "0", CVAR_ARCHIVE | CVAR_LATCH );
#ifdef __linux__
r_stencilbits = ri.Cvar_Get( "r_stencilbits", "0", CVAR_ARCHIVE | CVAR_LATCH );
#else
r_stencilbits = ri.Cvar_Get( "r_stencilbits", "8", CVAR_ARCHIVE | CVAR_LATCH );
#endif
r_depthbits = ri.Cvar_Get( "r_depthbits", "0", CVAR_ARCHIVE | CVAR_LATCH );
r_overBrightBits = ri.Cvar_Get ("r_overBrightBits", "1", CVAR_ARCHIVE | CVAR_LATCH );
r_ignorehwgamma = ri.Cvar_Get( "r_ignorehwgamma", "0", CVAR_ARCHIVE | CVAR_LATCH);
r_mode = ri.Cvar_Get( "r_mode", "3", CVAR_ARCHIVE | CVAR_LATCH );
r_fullscreen = ri.Cvar_Get( "r_fullscreen", "1", CVAR_ARCHIVE | CVAR_LATCH );
r_customwidth = ri.Cvar_Get( "r_customwidth", "1600", CVAR_ARCHIVE | CVAR_LATCH );
r_customheight = ri.Cvar_Get( "r_customheight", "1024", CVAR_ARCHIVE | CVAR_LATCH );
r_customaspect = ri.Cvar_Get( "r_customaspect", "1", CVAR_ARCHIVE | CVAR_LATCH );
r_simpleMipMaps = ri.Cvar_Get( "r_simpleMipMaps", "1", CVAR_ARCHIVE | CVAR_LATCH );
r_vertexLight = ri.Cvar_Get( "r_vertexLight", "0", CVAR_ARCHIVE | CVAR_LATCH );
r_uiFullScreen = ri.Cvar_Get( "r_uifullscreen", "0", 0);
r_subdivisions = ri.Cvar_Get ("r_subdivisions", "4", CVAR_ARCHIVE | CVAR_LATCH);
#if (defined(MACOS_X) || defined(__linux__)) && defined(SMP)
// Default to using SMP on Mac OS X or Linux if we have multiple processors
r_smp = ri.Cvar_Get( "r_smp", Sys_ProcessorCount() > 1 ? "1" : "0", CVAR_ARCHIVE | CVAR_LATCH);
#else
r_smp = ri.Cvar_Get( "r_smp", "0", CVAR_ARCHIVE | CVAR_LATCH);
#endif
r_ignoreFastPath = ri.Cvar_Get( "r_ignoreFastPath", "1", CVAR_ARCHIVE | CVAR_LATCH );
//
// temporary latched variables that can only change over a restart
//
r_displayRefresh = ri.Cvar_Get( "r_displayRefresh", "0", CVAR_LATCH );
AssertCvarRange( r_displayRefresh, 0, 200, qtrue );
r_fullbright = ri.Cvar_Get ("r_fullbright", "0", CVAR_LATCH|CVAR_CHEAT );
r_mapOverBrightBits = ri.Cvar_Get ("r_mapOverBrightBits", "2", CVAR_LATCH );
r_intensity = ri.Cvar_Get ("r_intensity", "1", CVAR_LATCH );
r_singleShader = ri.Cvar_Get ("r_singleShader", "0", CVAR_CHEAT | CVAR_LATCH );
//
// archived variables that can change at any time
//
r_lodCurveError = ri.Cvar_Get( "r_lodCurveError", "250", CVAR_ARCHIVE|CVAR_CHEAT );
r_lodbias = ri.Cvar_Get( "r_lodbias", "0", CVAR_ARCHIVE );
r_flares = ri.Cvar_Get ("r_flares", "0", CVAR_ARCHIVE );
r_znear = ri.Cvar_Get( "r_znear", "4", CVAR_CHEAT );
AssertCvarRange( r_znear, 0.001f, 200, qtrue );
r_ignoreGLErrors = ri.Cvar_Get( "r_ignoreGLErrors", "1", CVAR_ARCHIVE );
r_fastsky = ri.Cvar_Get( "r_fastsky", "0", CVAR_ARCHIVE );
r_inGameVideo = ri.Cvar_Get( "r_inGameVideo", "1", CVAR_ARCHIVE );
r_drawSun = ri.Cvar_Get( "r_drawSun", "0", CVAR_ARCHIVE );
r_dynamiclight = ri.Cvar_Get( "r_dynamiclight", "1", CVAR_ARCHIVE );
r_dlightBacks = ri.Cvar_Get( "r_dlightBacks", "1", CVAR_ARCHIVE );
r_finish = ri.Cvar_Get ("r_finish", "0", CVAR_ARCHIVE);
r_textureMode = ri.Cvar_Get( "r_textureMode", "GL_LINEAR_MIPMAP_NEAREST", CVAR_ARCHIVE );
r_swapInterval = ri.Cvar_Get( "r_swapInterval", "0", CVAR_ARCHIVE );
#ifdef __MACOS__
r_gamma = ri.Cvar_Get( "r_gamma", "1.2", CVAR_ARCHIVE );
#else
r_gamma = ri.Cvar_Get( "r_gamma", "1", CVAR_ARCHIVE );
#endif
r_facePlaneCull = ri.Cvar_Get ("r_facePlaneCull", "1", CVAR_ARCHIVE );
r_railWidth = ri.Cvar_Get( "r_railWidth", "16", CVAR_ARCHIVE );
r_railCoreWidth = ri.Cvar_Get( "r_railCoreWidth", "6", CVAR_ARCHIVE );
r_railSegmentLength = ri.Cvar_Get( "r_railSegmentLength", "32", CVAR_ARCHIVE );
r_primitives = ri.Cvar_Get( "r_primitives", "0", CVAR_ARCHIVE );
r_ambientScale = ri.Cvar_Get( "r_ambientScale", "0.6", CVAR_CHEAT );
r_directedScale = ri.Cvar_Get( "r_directedScale", "1", CVAR_CHEAT );
//
// temporary variables that can change at any time
//
r_showImages = ri.Cvar_Get( "r_showImages", "0", CVAR_TEMP );
r_debugLight = ri.Cvar_Get( "r_debuglight", "0", CVAR_TEMP );
r_debugSort = ri.Cvar_Get( "r_debugSort", "0", CVAR_CHEAT );
r_printShaders = ri.Cvar_Get( "r_printShaders", "0", 0 );
r_saveFontData = ri.Cvar_Get( "r_saveFontData", "0", 0 );
r_nocurves = ri.Cvar_Get ("r_nocurves", "0", CVAR_CHEAT );
r_drawworld = ri.Cvar_Get ("r_drawworld", "1", CVAR_CHEAT );
r_lightmap = ri.Cvar_Get ("r_lightmap", "0", 0 );
r_portalOnly = ri.Cvar_Get ("r_portalOnly", "0", CVAR_CHEAT );
r_flareSize = ri.Cvar_Get ("r_flareSize", "40", CVAR_CHEAT);
r_flareFade = ri.Cvar_Get ("r_flareFade", "7", CVAR_CHEAT);
r_showSmp = ri.Cvar_Get ("r_showSmp", "0", CVAR_CHEAT);
r_skipBackEnd = ri.Cvar_Get ("r_skipBackEnd", "0", CVAR_CHEAT);
r_measureOverdraw = ri.Cvar_Get( "r_measureOverdraw", "0", CVAR_CHEAT );
r_lodscale = ri.Cvar_Get( "r_lodscale", "5", CVAR_CHEAT );
r_norefresh = ri.Cvar_Get ("r_norefresh", "0", CVAR_CHEAT);
r_drawentities = ri.Cvar_Get ("r_drawentities", "1", CVAR_CHEAT );
r_ignore = ri.Cvar_Get( "r_ignore", "1", CVAR_CHEAT );
r_nocull = ri.Cvar_Get ("r_nocull", "0", CVAR_CHEAT);
r_novis = ri.Cvar_Get ("r_novis", "0", CVAR_CHEAT);
r_showcluster = ri.Cvar_Get ("r_showcluster", "0", CVAR_CHEAT);
r_speeds = ri.Cvar_Get ("r_speeds", "0", CVAR_CHEAT);
r_verbose = ri.Cvar_Get( "r_verbose", "0", CVAR_CHEAT );
r_logFile = ri.Cvar_Get( "r_logFile", "0", CVAR_CHEAT );
r_debugSurface = ri.Cvar_Get ("r_debugSurface", "0", CVAR_CHEAT);
r_nobind = ri.Cvar_Get ("r_nobind", "0", CVAR_CHEAT);
r_showtris = ri.Cvar_Get ("r_showtris", "0", CVAR_CHEAT);
r_showsky = ri.Cvar_Get ("r_showsky", "0", CVAR_CHEAT);
r_shownormals = ri.Cvar_Get ("r_shownormals", "0", CVAR_CHEAT);
r_clear = ri.Cvar_Get ("r_clear", "0", CVAR_CHEAT);
r_offsetFactor = ri.Cvar_Get( "r_offsetfactor", "-1", CVAR_CHEAT );
r_offsetUnits = ri.Cvar_Get( "r_offsetunits", "-2", CVAR_CHEAT );
r_drawBuffer = ri.Cvar_Get( "r_drawBuffer", "GL_BACK", CVAR_CHEAT );
r_lockpvs = ri.Cvar_Get ("r_lockpvs", "0", CVAR_CHEAT);
r_noportals = ri.Cvar_Get ("r_noportals", "0", CVAR_CHEAT);
r_shadows = ri.Cvar_Get( "cg_shadows", "1", 0 );
r_maxpolys = ri.Cvar_Get( "r_maxpolys", va("%d", MAX_POLYS), 0);
r_maxpolyverts = ri.Cvar_Get( "r_maxpolyverts", va("%d", MAX_POLYVERTS), 0);
// make sure all the commands added here are also
// removed in R_Shutdown
ri.Cmd_AddCommand( "imagelist", R_ImageList_f );
ri.Cmd_AddCommand( "shaderlist", R_ShaderList_f );
ri.Cmd_AddCommand( "skinlist", R_SkinList_f );
ri.Cmd_AddCommand( "modellist", R_Modellist_f );
ri.Cmd_AddCommand( "modelist", R_ModeList_f );
ri.Cmd_AddCommand( "screenshot", R_ScreenShot_f );
ri.Cmd_AddCommand( "screenshotJPEG", R_ScreenShotJPEG_f );
ri.Cmd_AddCommand( "gfxinfo", GfxInfo_f );
}
/*
===============
R_Init
===============
*/
void R_Init( void ) {
int err;
int i;
byte *ptr;
ri.Printf( PRINT_ALL, "----- R_Init -----\n" );
// clear all our internal state
Com_Memset( &tr, 0, sizeof( tr ) );
Com_Memset( &backEnd, 0, sizeof( backEnd ) );
Com_Memset( &tess, 0, sizeof( tess ) );
// Swap_Init();
if ( (int)tess.xyz & 15 ) {
Com_Printf( "WARNING: tess.xyz not 16 byte aligned\n" );
}
Com_Memset( tess.constantColor255, 255, sizeof( tess.constantColor255 ) );
//
// init function tables
//
for ( i = 0; i < FUNCTABLE_SIZE; i++ )
{
tr.sinTable[i] = sin( DEG2RAD( i * 360.0f / ( ( float ) ( FUNCTABLE_SIZE - 1 ) ) ) );
tr.squareTable[i] = ( i < FUNCTABLE_SIZE/2 ) ? 1.0f : -1.0f;
tr.sawToothTable[i] = (float)i / FUNCTABLE_SIZE;
tr.inverseSawToothTable[i] = 1.0f - tr.sawToothTable[i];
if ( i < FUNCTABLE_SIZE / 2 )
{
if ( i < FUNCTABLE_SIZE / 4 )
{
tr.triangleTable[i] = ( float ) i / ( FUNCTABLE_SIZE / 4 );
}
else
{
tr.triangleTable[i] = 1.0f - tr.triangleTable[i-FUNCTABLE_SIZE / 4];
}
}
else
{
tr.triangleTable[i] = -tr.triangleTable[i-FUNCTABLE_SIZE/2];
}
}
R_InitFogTable();
R_NoiseInit();
R_Register();
max_polys = r_maxpolys->integer;
if (max_polys < MAX_POLYS)
max_polys = MAX_POLYS;
max_polyverts = r_maxpolyverts->integer;
if (max_polyverts < MAX_POLYVERTS)
max_polyverts = MAX_POLYVERTS;
ptr = ri.Hunk_Alloc( sizeof( *backEndData[0] ) + sizeof(srfPoly_t) * max_polys + sizeof(polyVert_t) * max_polyverts, h_low);
backEndData[0] = (backEndData_t *) ptr;
backEndData[0]->polys = (srfPoly_t *) ((char *) ptr + sizeof( *backEndData[0] ));
backEndData[0]->polyVerts = (polyVert_t *) ((char *) ptr + sizeof( *backEndData[0] ) + sizeof(srfPoly_t) * max_polys);
if ( r_smp->integer ) {
ptr = ri.Hunk_Alloc( sizeof( *backEndData[1] ) + sizeof(srfPoly_t) * max_polys + sizeof(polyVert_t) * max_polyverts, h_low);
backEndData[1] = (backEndData_t *) ptr;
backEndData[1]->polys = (srfPoly_t *) ((char *) ptr + sizeof( *backEndData[1] ));
backEndData[1]->polyVerts = (polyVert_t *) ((char *) ptr + sizeof( *backEndData[1] ) + sizeof(srfPoly_t) * max_polys);
} else {
backEndData[1] = NULL;
}
R_ToggleSmpFrame();
InitOpenGL();
R_InitImages();
R_InitShaders();
R_InitSkins();
R_ModelInit();
R_InitFreeType();
err = qglGetError();
if ( err != GL_NO_ERROR )
ri.Printf (PRINT_ALL, "glGetError() = 0x%x\n", err);
ri.Printf( PRINT_ALL, "----- finished R_Init -----\n" );
}
/*
===============
RE_Shutdown
===============
*/
void RE_Shutdown( qboolean destroyWindow ) {
ri.Printf( PRINT_ALL, "RE_Shutdown( %i )\n", destroyWindow );
ri.Cmd_RemoveCommand ("modellist");
ri.Cmd_RemoveCommand ("screenshotJPEG");
ri.Cmd_RemoveCommand ("screenshot");
ri.Cmd_RemoveCommand ("imagelist");
ri.Cmd_RemoveCommand ("shaderlist");
ri.Cmd_RemoveCommand ("skinlist");
ri.Cmd_RemoveCommand ("gfxinfo");
ri.Cmd_RemoveCommand( "modelist" );
ri.Cmd_RemoveCommand( "shaderstate" );
if ( tr.registered ) {
R_SyncRenderThread();
R_ShutdownCommandBuffers();
R_DeleteTextures();
}
R_DoneFreeType();
// shut down platform specific OpenGL stuff
if ( destroyWindow ) {
GLimp_Shutdown();
}
tr.registered = qfalse;
}
/*
=============
RE_EndRegistration
Touch all images to make sure they are resident
=============
*/
void RE_EndRegistration( void ) {
R_SyncRenderThread();
if (!Sys_LowPhysicalMemory()) {
RB_ShowImages();
}
}
/*
@@@@@@@@@@@@@@@@@@@@@
GetRefAPI
@@@@@@@@@@@@@@@@@@@@@
*/
refexport_t *GetRefAPI ( int apiVersion, refimport_t *rimp ) {
static refexport_t re;
ri = *rimp;
Com_Memset( &re, 0, sizeof( re ) );
if ( apiVersion != REF_API_VERSION ) {
ri.Printf(PRINT_ALL, "Mismatched REF_API_VERSION: expected %i, got %i\n",
REF_API_VERSION, apiVersion );
return NULL;
}
// the RE_ functions are Renderer Entry points
re.Shutdown = RE_Shutdown;
re.BeginRegistration = RE_BeginRegistration;
re.RegisterModel = RE_RegisterModel;
re.RegisterSkin = RE_RegisterSkin;
re.RegisterShader = RE_RegisterShader;
re.RegisterShaderNoMip = RE_RegisterShaderNoMip;
re.LoadWorld = RE_LoadWorldMap;
re.SetWorldVisData = RE_SetWorldVisData;
re.EndRegistration = RE_EndRegistration;
re.BeginFrame = RE_BeginFrame;
re.EndFrame = RE_EndFrame;
re.MarkFragments = R_MarkFragments;
re.LerpTag = R_LerpTag;
re.ModelBounds = R_ModelBounds;
re.ClearScene = RE_ClearScene;
re.AddRefEntityToScene = RE_AddRefEntityToScene;
re.AddPolyToScene = RE_AddPolyToScene;
re.LightForPoint = R_LightForPoint;
re.AddLightToScene = RE_AddLightToScene;
re.AddAdditiveLightToScene = RE_AddAdditiveLightToScene;
re.RenderScene = RE_RenderScene;
re.SetColor = RE_SetColor;
re.DrawStretchPic = RE_StretchPic;
re.DrawStretchRaw = RE_StretchRaw;
re.UploadCinematic = RE_UploadCinematic;
re.RegisterFont = RE_RegisterFont;
re.RemapShader = R_RemapShader;
re.GetEntityToken = R_GetEntityToken;
re.inPVS = R_inPVS;
return &re;
}