/* =========================================================================== Copyright (C) 1999-2005 Id Software, Inc. Copyright (C) 2000-2006 Tim Angus This file is part of Tremulous. Tremulous is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. Tremulous is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Tremulous; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA =========================================================================== */ // 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_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_smp; cvar_t *r_showSmp; 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_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_width; cvar_t *r_height; cvar_t *r_pixelAspect; 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_maxpolys; int max_polys; cvar_t *r_maxpolyverts; int max_polyverts; #define GENERIC_HW_R_PICMIP_DEFAULT "0" #define GENERIC_HW_R_TEXTUREMODE_DEFAULT "GL_LINEAR_MIPMAP_LINEAR" /* ================== GL_ResolveHardwareType Chipset specific configuration ================== */ void GL_ResolveHardwareType( void ) { char buf[ 1024 ]; cvar_t *lastValidRenderer = ri.Cvar_Get( "r_lastValidRenderer", "(uninitialized)", CVAR_ARCHIVE ); Q_strncpyz( buf, glConfig.renderer_string, sizeof( buf ) ); Q_strlwr( buf ); // NOTE: if changing cvars, do it within this block. This allows them // to be overridden when testing driver fixes, etc. but only sets // them to their default state when the hardware is first installed/run. if( Q_stricmp( lastValidRenderer->string, glConfig.renderer_string ) ) { glConfig.hardwareType = GLHW_GENERIC; ri.Cvar_Set( "r_textureMode", GENERIC_HW_R_TEXTUREMODE_DEFAULT ); // VOODOO GRAPHICS w/ 2MB if ( strstr( buf, "voodoo graphics/1 tmu/2 mb" ) ) { ri.Cvar_Set( "r_picmip", "2" ); ri.Cvar_Get( "r_picmip", "1", CVAR_ARCHIVE | CVAR_LATCH ); } else { ri.Cvar_Set( "r_picmip", GENERIC_HW_R_PICMIP_DEFAULT ); if ( strstr( buf, "rage 128" ) || strstr( buf, "rage128" ) ) { ri.Cvar_Set( "r_finish", "0" ); } // Savage3D and Savage4 should always have trilinear enabled else if ( strstr( buf, "savage3d" ) || strstr( buf, "s3 savage4" ) ) { ri.Cvar_Set( "r_texturemode", "GL_LINEAR_MIPMAP_LINEAR" ); } } } // // this is where hardware specific workarounds that should be // detected/initialized every startup should go. // if ( strstr( buf, "banshee" ) || strstr( buf, "voodoo3" ) ) { glConfig.hardwareType = GLHW_3DFX_2D3D; } // VOODOO GRAPHICS w/ 2MB else if ( strstr( buf, "voodoo graphics/1 tmu/2 mb" ) ) { } else if ( strstr( buf, "glzicd" ) ) { } else if ( strstr( buf, "rage pro" ) || strstr( buf, "Rage Pro" ) || strstr( buf, "ragepro" ) ) { glConfig.hardwareType = GLHW_RAGEPRO; } else if ( strstr( buf, "rage 128" ) ) { } else if ( strstr( buf, "permedia2" ) ) { glConfig.hardwareType = GLHW_PERMEDIA2; } else if ( strstr( buf, "riva 128" ) ) { glConfig.hardwareType = GLHW_RIVA128; } else if ( strstr( buf, "riva tnt " ) ) { } } /* ** 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_(width|height|pixelAspect) // - 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 ); } /* ============================================================================== 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 ; ijpeg) 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; Com_sprintf(checkname, sizeof(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 ( 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); } } //============================================================================ /* ================== RB_TakeVideoFrameCmd ================== */ const void *RB_TakeVideoFrameCmd( const void *data ) { const videoFrameCommand_t *cmd; int frameSize; int i; cmd = (const videoFrameCommand_t *)data; qglReadPixels( 0, 0, cmd->width, cmd->height, GL_RGBA, GL_UNSIGNED_BYTE, cmd->captureBuffer ); // gamma correct if( glConfig.deviceSupportsGamma ) R_GammaCorrect( cmd->captureBuffer, cmd->width * cmd->height * 4 ); if( cmd->motionJpeg ) { frameSize = SaveJPGToBuffer( cmd->encodeBuffer, 90, cmd->width, cmd->height, cmd->captureBuffer ); ri.CL_WriteAVIVideoFrame( cmd->encodeBuffer, frameSize ); } else { frameSize = cmd->width * cmd->height; for( i = 0; i < frameSize; i++) // Pack to 24bpp and swap R and B { cmd->encodeBuffer[ i*3 ] = cmd->captureBuffer[ i*4 + 2 ]; cmd->encodeBuffer[ i*3 + 1 ] = cmd->captureBuffer[ i*4 + 1 ]; cmd->encodeBuffer[ i*3 + 2 ] = cmd->captureBuffer[ i*4 ]; } ri.CL_WriteAVIVideoFrame( cmd->encodeBuffer, frameSize * 3 ); } 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 ); } /* ================ 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: %s\n", glConfig.extensions_string ); 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 x %d %s hz:", 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 ( 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_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_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); r_ext_texture_env_add = ri.Cvar_Get( "r_ext_texture_env_add", "1", CVAR_ARCHIVE | CVAR_LATCH); r_picmip = ri.Cvar_Get ("r_picmip", GENERIC_HW_R_PICMIP_DEFAULT, CVAR_ARCHIVE | CVAR_LATCH ); r_ext_texture_filter_anisotropic = ri.Cvar_Get( "r_ext_texture_filter_anisotropic", "0", CVAR_ARCHIVE | CVAR_LATCH ); r_ext_max_anisotropy = ri.Cvar_Get( "r_ext_max_anisotropy", "2", 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 ); ri.Cvar_CheckRange( 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_stencilbits = ri.Cvar_Get( "r_stencilbits", "8", CVAR_ARCHIVE | CVAR_LATCH ); r_depthbits = ri.Cvar_Get( "r_depthbits", "0", CVAR_ARCHIVE | CVAR_LATCH ); r_ext_multisample = ri.Cvar_Get( "r_ext_multisample", "0", CVAR_ARCHIVE | CVAR_LATCH ); ri.Cvar_CheckRange( r_ext_multisample, 0, 4, qtrue ); 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_fullscreen = ri.Cvar_Get( "r_fullscreen", "1", CVAR_ARCHIVE ); r_width = ri.Cvar_Get( "r_width", "640", CVAR_ARCHIVE | CVAR_LATCH ); r_height = ri.Cvar_Get( "r_height", "480", CVAR_ARCHIVE | CVAR_LATCH ); r_pixelAspect = ri.Cvar_Get( "r_pixelAspect", "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); r_smp = ri.Cvar_Get( "r_smp", "0", CVAR_ARCHIVE | CVAR_LATCH); r_stereoEnabled = ri.Cvar_Get( "r_stereoEnabled", "0", CVAR_ARCHIVE | CVAR_LATCH); r_ignoreFastPath = ri.Cvar_Get( "r_ignoreFastPath", "1", CVAR_ARCHIVE | CVAR_LATCH ); r_greyscale = ri.Cvar_Get("r_greyscale", "0", CVAR_ARCHIVE | CVAR_LATCH); // // temporary latched variables that can only change over a restart // r_displayRefresh = ri.Cvar_Get( "r_displayRefresh", "0", CVAR_LATCH ); ri.Cvar_CheckRange( 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", "1", CVAR_CHEAT ); ri.Cvar_CheckRange( r_znear, 0.001f, 200, qfalse ); r_zproj = ri.Cvar_Get( "r_zproj", "64", CVAR_ARCHIVE ); r_stereoSeparation = ri.Cvar_Get( "r_stereoSeparation", "64", CVAR_ARCHIVE ); 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", GENERIC_HW_R_TEXTUREMODE_DEFAULT, CVAR_ARCHIVE ); r_swapInterval = ri.Cvar_Get( "r_swapInterval", "0", CVAR_ARCHIVE | CVAR_LATCH ); r_gamma = ri.Cvar_Get( "r_gamma", "1", CVAR_ARCHIVE ); 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 ); r_anaglyphMode = ri.Cvar_Get("r_anaglyphMode", "0", CVAR_ARCHIVE); // // 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", CVAR_CHEAT ); 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_flareCoeff = ri.Cvar_Get ("r_flareCoeff", FLARE_STDCOEFF, 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_marksOnTriangleMeshes = ri.Cvar_Get("r_marksOnTriangleMeshes", "0", CVAR_ARCHIVE); 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( "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 ( (intptr_t)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.SetClipRegion = RE_SetClipRegion; 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; re.TakeVideoFrame = RE_TakeVideoFrame; return &re; }