554 lines
22 KiB
C
554 lines
22 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// gl_common.c -- OpenGL common routines
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#include "quakedef.h"
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const char *gl_vendor;
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const char *gl_renderer;
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const char *gl_version;
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const char *gl_extensions;
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float vid_gamma = 1.0;
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qboolean gl_mtexable = false;
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qcardtype gl_cardtype = GENERIC;
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qboolean gl_var = false; //PENTA: vertex array range is available
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qboolean gl_texcomp = false; // JP: texture compression available
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//void (*qglColorTableEXT) (int, int, int, int, int, const void*);
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//void (*qgl3DfxSetPaletteEXT) (GLuint *);
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typedef void (*GLCOLORTABLEEXTPFN) (int, int, int, int, int, const void*) ;
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GLCOLORTABLEEXTPFN qglColorTableEXT;
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typedef void (*GL3DFXSETPALETTEEXTPFN) (GLuint *) ;
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GL3DFXSETPALETTEEXTPFN qgl3DfxSetPaletteEXT;
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PFNBLENDCOLORPROC qglBlendColorEXT;
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//int texture_mode = GL_NEAREST;
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//int texture_mode = GL_NEAREST_MIPMAP_NEAREST;
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//int texture_mode = GL_NEAREST_MIPMAP_LINEAR;
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int texture_mode = GL_LINEAR;
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//int texture_mode = GL_LINEAR_MIPMAP_NEAREST;
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//int texture_mode = GL_LINEAR_MIPMAP_LINEAR;
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int texture_extension_number = 1;
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float gldepthmin, gldepthmax;
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//cvar_t gl_ztrick = {"gl_ztrick","1"}; PENTA: Removed
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// <AWE> Two more extensions. Added already check for paletted texture to gl_vidnt.c.
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// However any code for anisotropic texture filtering has still to be added to gl_vidnt.c.
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// <AWE> true for "GL_EXT_texture_filter_anisotropic".
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qboolean gl_texturefilteranisotropic = false;
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// <AWE> anistropic texture level [= 1.0f or max. value].//Penta?? Changed to 2.0 because 1.0 is just isotropic filtering
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GLfloat gl_textureanisotropylevel = 2.0f;
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// <AWE> On MacOSX X we use this var to store the state. 0 = off, 1 = on.
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//cvar_t gl_anisotropic = { "gl_anisotropic", "0", 1 };
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qboolean gl_occlusiontest = false;
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occlusion_cut_meshes;
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occlusion_cut_entities;
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occlusion_cut_lights;
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/*-----------------------------------------------------------------------*/
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void GL_checkerror(char *file, int line)
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{
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GLuint error = glGetError();
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while ( error != GL_NO_ERROR )
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{
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const char* err;
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err = gluErrorString(error);
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#ifdef _WIN32
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Con_Printf("Gl error: %s\n (Triggered at line %d in file %s\n)",err,line,file); //So it gets logged if condebug is used
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//_asm { int 3 };
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#else
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Sys_Error("Gl error: %s\n (Triggered at line %d in file %s\n)",err,line,file);
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#endif
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}
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}
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int Q_strncasecmp (char *s1,char *s2,int count);
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void CheckMultiTextureExtensions(void)
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{
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if (strstr(gl_extensions, "GL_ARB_multitexture")) {
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SAFE_GET_PROC (qglActiveTextureARB,PFNGLACTIVETEXTUREARBPROC,"glActiveTextureARB");
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SAFE_GET_PROC (qglClientActiveTextureARB,PFNGLCLIENTACTIVETEXTUREARBPROC,"glClientActiveTextureARB");
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SAFE_GET_PROC (qglMultiTexCoord1fARB,PFNGLMULTITEXCOORD1FARBPROC,"glMultiTexCoord1fARB");
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SAFE_GET_PROC (qglMultiTexCoord2fARB,PFNGLMULTITEXCOORD2FARBPROC,"glMultiTexCoord2fARB");
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SAFE_GET_PROC (qglMultiTexCoord2fvARB,PFNGLMULTITEXCOORD2FVARBPROC,"glMultiTexCoord2fvARB");
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SAFE_GET_PROC (qglMultiTexCoord3fARB,PFNGLMULTITEXCOORD3FARBPROC,"glMultiTexCoord3fARB");
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SAFE_GET_PROC (qglMultiTexCoord3fvARB,PFNGLMULTITEXCOORD3FVARBPROC,"glMultiTexCoord3fvARB");
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gl_mtexable = true;
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} else {
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Sys_Error ("No multitexturing found.\nProbably your 3d-card is not supported.\n");
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}
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}
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/*
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PENTA: If we don't have these extensions then we don't continue
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(how would we ever draw bump maps is these simpel ext's aren't supported)
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*/
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void CheckDiffuseBumpMappingExtensions(void)
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{
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if (!strstr(gl_extensions, "GL_EXT_texture_env_combine") &&
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!strstr(gl_extensions, "GL_ARB_texture_env_combine") ) {
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Sys_Error ("EXT_texture_env_combine not found.\nProbably your 3d-card is not supported.\n");
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}
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if (!strstr(gl_extensions, "GL_ARB_texture_env_dot3")) {
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Sys_Error ("ARB_texture_env_dot3 not found.\nProbably your 3d-card is not supported.\n");
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}
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if (!strstr(gl_extensions, "GL_ARB_texture_cube_map")) {
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Sys_Error ("ARB_texture_cube_map not found.\nProbably your 3d-card is not supported.\n");
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}
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//Just spit a warning user prob has gl-1.2 or something
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if (!strstr(gl_extensions, "GL_SGI_texture_edge_clamp") &&
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!strstr(gl_extensions, "GL_EXT_texture_edge_clamp")) {
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Con_Printf("Warning no edge_clamp extension found");
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}
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}
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/*
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PENTA: if we don't have these we continue with less eficient specular
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*/
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void CheckSpecularBumpMappingExtensions(void)
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{
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if ( (strstr(gl_extensions, "GL_NV_register_combiners")) && (!COM_CheckParm ("-forcenonv")) ) {
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gl_cardtype = GEFORCE; // GEFORCE3 checked later
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SAFE_GET_PROC (qglCombinerParameterfvNV,PFNGLCOMBINERPARAMETERFVNVPROC,"glCombinerParameterfvNV");
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SAFE_GET_PROC (qglCombinerParameterivNV,PFNGLCOMBINERPARAMETERIVNVPROC,"glCombinerParameterivNV");
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SAFE_GET_PROC (qglCombinerParameterfNV,PFNGLCOMBINERPARAMETERFNVPROC,"glCombinerParameterfNV");
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SAFE_GET_PROC (qglCombinerParameteriNV,PFNGLCOMBINERPARAMETERINVPROC,"glCombinerParameteriNV");
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SAFE_GET_PROC (qglCombinerInputNV,PFNGLCOMBINERINPUTNVPROC,"glCombinerInputNV");
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SAFE_GET_PROC (qglCombinerOutputNV,PFNGLCOMBINEROUTPUTNVPROC,"glCombinerOutputNV");
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SAFE_GET_PROC (qglFinalCombinerInputNV,PFNGLFINALCOMBINERINPUTNVPROC,"glFinalCombinerInputNV");
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SAFE_GET_PROC (qglGetCombinerInputParameterfvNV,PFNGLGETCOMBINERINPUTPARAMETERFVNVPROC,"glGetCombinerInputParameterfvNV");
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SAFE_GET_PROC (qglGetCombinerInputParameterivNV,PFNGLGETCOMBINERINPUTPARAMETERIVNVPROC,"glGetCombinerInputParameterivNV");
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SAFE_GET_PROC (qglGetCombinerOutputParameterfvNV,PFNGLGETCOMBINEROUTPUTPARAMETERFVNVPROC,"glGetCombinerOutputParameterfvNV");
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SAFE_GET_PROC (qglGetCombinerOutputParameterivNV,PFNGLGETCOMBINEROUTPUTPARAMETERIVNVPROC,"glGetCombinerOutputParameterivNV");
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SAFE_GET_PROC (qglGetFinalCombinerInputParameterfvNV,PFNGLGETFINALCOMBINERINPUTPARAMETERFVNVPROC,"glGetFinalCombinerInputParameterfvNV");
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SAFE_GET_PROC (qglGetFinalCombinerInputParameterivNV,PFNGLGETFINALCOMBINERINPUTPARAMETERIVNVPROC,"glGetFinalCombinerInputParameterivNV");
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}
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//PENTA: Cg uses register combiners2 also, they only add some constant registers tough...
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if (strstr(gl_extensions, "GL_NV_register_combiners2")) {
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SAFE_GET_PROC (qglCombinerStageParameterfvNV,PFNGLCOMBINERSTAGEPARAMETERFVNVPROC,"glCombinerStageParameterfvNV");
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SAFE_GET_PROC (qglGetCombinerStageParameterfvNV,PFNGLGETCOMBINERSTAGEPARAMETERFVNVPROC,"glGetCombinerStageParameterfvNV");
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}
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}
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/*
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PENTA: if we have these we draw optimized
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*/
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void CheckGeforce3Extensions(void)
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{
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int supportedTmu;
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glGetIntegerv(GL_MAX_ACTIVE_TEXTURES_ARB,&supportedTmu);
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//Con_Printf("%i texture units\n",supportedTmu);
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if (strstr(gl_extensions, "GL_EXT_texture3D")
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&& (supportedTmu >= 4) && (!COM_CheckParm ("-forcegf2"))
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&& (!COM_CheckParm ("-forcegeneric"))
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&& (gl_cardtype == GEFORCE)
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&& strstr(gl_extensions, "GL_NV_vertex_program1_1")
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&& strstr(gl_extensions, "GL_NV_vertex_array_range")
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&& strstr(gl_extensions, "ARB_imaging"))
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{
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gl_cardtype = GEFORCE3;
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SAFE_GET_PROC (qglTexImage3DEXT,PFNGLTEXIMAGE3DEXT,"glTexImage3DEXT");
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//get vertex_program pointers
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SAFE_GET_PROC (qglAreProgramsResidentNV,PFNGLAREPROGRAMSRESIDENTNVPROC,"glAreProgramsResidentNV");
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SAFE_GET_PROC (qglBindProgramNV,PFNGLBINDPROGRAMNVPROC,"glBindProgramNV");
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SAFE_GET_PROC (qglDeleteProgramsNV,PFNGLDELETEPROGRAMSNVPROC,"glDeleteProgramsNV");
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SAFE_GET_PROC (qglExecuteProgramNV,PFNGLEXECUTEPROGRAMNVPROC,"glExecuteProgramNV");
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SAFE_GET_PROC (qglGenProgramsNV,PFNGLGENPROGRAMSNVPROC,"glGenProgramsNV");
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SAFE_GET_PROC (qglGetProgramParameterdvNV,PFNGLGETPROGRAMPARAMETERDVNVPROC,"glGetProgramParameterdvNV");
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SAFE_GET_PROC (qglGetProgramParameterfvNV,PFNGLGETPROGRAMPARAMETERFVNVPROC,"glGetProgramParameterfvNV");
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SAFE_GET_PROC (qglGetProgramivNV,PFNGLGETPROGRAMIVNVPROC,"glGetProgramivNV");
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SAFE_GET_PROC (qglGetProgramStringNV,PFNGLGETPROGRAMSTRINGNVPROC,"glGetProgramStringNV");
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SAFE_GET_PROC (qglGetTrackMatrixivNV,PFNGLGETTRACKMATRIXIVNVPROC,"glGetTrackMatrixivNV");
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SAFE_GET_PROC (qglGetVertexAttribdvNV,PFNGLGETVERTEXATTRIBDVNVPROC,"glGetVertexAttribdvNV");
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SAFE_GET_PROC (qglGetVertexAttribfvNV,PFNGLGETVERTEXATTRIBFVNVPROC,"glGetVertexAttribfvNV");
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SAFE_GET_PROC (qglGetVertexAttribivNV,PFNGLGETVERTEXATTRIBIVNVPROC,"glGetVertexAttribivNV");
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SAFE_GET_PROC (qglGetVertexAttribPointervNV,PFNGLGETVERTEXATTRIBPOINTERVNVPROC,"glGetVertexAttribPointervNV");
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SAFE_GET_PROC (qglGetVertexAttribPointervNV,PFNGLGETVERTEXATTRIBPOINTERVNVPROC,"glGetVertexAttribPointerNV");
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SAFE_GET_PROC (qglIsProgramNV,PFNGLISPROGRAMNVPROC,"glIsProgramNV");
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SAFE_GET_PROC (qglLoadProgramNV,PFNGLLOADPROGRAMNVPROC,"glLoadProgramNV");
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SAFE_GET_PROC (qglProgramParameter4dNV,PFNGLPROGRAMPARAMETER4DNVPROC,"glProgramParameter4dNV");
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SAFE_GET_PROC (qglProgramParameter4dvNV,PFNGLPROGRAMPARAMETER4DVNVPROC,"glProgramParameter4dvNV");
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SAFE_GET_PROC (qglProgramParameter4fNV,PFNGLPROGRAMPARAMETER4FNVPROC,"glProgramParameter4fNV");
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SAFE_GET_PROC (qglProgramParameter4fvNV,PFNGLPROGRAMPARAMETER4FVNVPROC,"glProgramParameter4fvNV");
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SAFE_GET_PROC (qglProgramParameters4dvNV,PFNGLPROGRAMPARAMETERS4DVNVPROC,"glProgramParameters4dvNV");
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SAFE_GET_PROC (qglProgramParameters4fvNV,PFNGLPROGRAMPARAMETERS4FVNVPROC,"glProgramParameters4fvNV");
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SAFE_GET_PROC (qglRequestResidentProgramsNV,PFNGLREQUESTRESIDENTPROGRAMSNVPROC,"glRequestResidentProgramsNV");
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SAFE_GET_PROC (qglTrackMatrixNV,PFNGLTRACKMATRIXNVPROC,"glTrackMatrixNV");
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//get blend color pointers
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SAFE_GET_PROC (qglBlendColorEXT,PFNBLENDCOLORPROC,"glBlendColor");
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//default to trilinear filtering on gf3
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gl_filter_min = GL_LINEAR_MIPMAP_LINEAR;
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gl_filter_max = GL_LINEAR;
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}
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}
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//program wide pointer to the allocated agp mem block
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void *AGP_Buffer;
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void CheckVertexArrayRange(void)
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{
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/*
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if (strstr(gl_extensions, "GL_NV_vertex_array_range"))
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{
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//get VAR pointers
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SAFE_GET_PROC (glFlushVertexArrayRangeNV, PFNGLFLUSHVERTEXARRAYRANGENVPROC, "glFlushVertexArrayRangeNV");
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SAFE_GET_PROC (glVertexArrayRangeNV, PFNGLVERTEXARRAYRANGENVPROC, "glVertexArrayRangeNV");
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SAFE_GET_PROC (wglAllocateMemoryNV, PFNWGLALLOCATEMEMORYNVPROC, "wglAllocateMemoryNV");
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SAFE_GET_PROC (wglFreeMemoryNV, PFNWGLFREEMEMORYNVPROC, "wglFreeMemoryNV");
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if (wglAllocateMemoryNV != NULL) {
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AGP_Buffer = wglAllocateMemoryNV(AGP_BUFFER_SIZE, 0.0, 0.0, 0.85);
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if (AGP_Buffer) {
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Con_Printf("Using %ikb AGP mem.\n",AGP_BUFFER_SIZE/1024);
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gl_var = true;
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} else {
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Con_Printf("Failed to allocate %ikb AGP mem.\n",AGP_BUFFER_SIZE/1024);
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gl_var = false;
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}
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}
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} else {
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*/
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gl_var = false;
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// }
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}
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/*
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PA: if we have these we draw optimized
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*/
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void CheckRadeonExtensions(void)
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{
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int supportedTmu;
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glGetIntegerv(GL_MAX_ACTIVE_TEXTURES_ARB,&supportedTmu);
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if (strstr(gl_extensions, "GL_EXT_texture3D")
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&& (supportedTmu >= 4) && (!COM_CheckParm ("-forcegeneric"))
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&& strstr(gl_extensions, "GL_ATI_fragment_shader")
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&& strstr(gl_extensions, "GL_EXT_vertex_shader"))
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{
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Con_Printf("Using Radeon path.\n");
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gl_cardtype = RADEON;
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//get TEX3d pointers
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SAFE_GET_PROC (qglTexImage3DEXT,PFNGLTEXIMAGE3DEXT,"glTexImage3DEXT");
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//default to trilinear filtering on Radeon
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gl_filter_min = GL_LINEAR_MIPMAP_LINEAR;
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gl_filter_max = GL_LINEAR;
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}
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}
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void CheckParheliaExtensions(void)
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{
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int supportedTmu;
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glGetIntegerv(GL_MAX_ACTIVE_TEXTURES_ARB,&supportedTmu);
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if (strstr(gl_extensions, "GL_EXT_texture3D")
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&& (supportedTmu >= 4) && (COM_CheckParm ("-forceparhelia"))
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&& strstr(gl_extensions, "GL_MTX_fragment_shader")
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&& strstr(gl_extensions, "GL_EXT_vertex_shader"))
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{
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gl_cardtype = PARHELIA;
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//get TEX3d pointers
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SAFE_GET_PROC (qglTexImage3DEXT,PFNGLTEXIMAGE3DEXT,"glTexImage3DEXT");
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//default to trilinear filtering on Parhelia
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gl_filter_min = GL_LINEAR_MIPMAP_LINEAR;
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gl_filter_max = GL_LINEAR;
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}
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}
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void CheckARBFragmentExtensions(void)
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{
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int supportedTmu;
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glGetIntegerv(GL_MAX_ACTIVE_TEXTURES_ARB,&supportedTmu);
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if (strstr(gl_extensions, "GL_EXT_texture3D")
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&& (!COM_CheckParm ("-forcegeneric"))
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&& (!COM_CheckParm ("-noarb"))
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&& strstr(gl_extensions, "GL_ARB_fragment_program")
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&& strstr(gl_extensions, "GL_ARB_vertex_program"))
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{
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gl_cardtype = ARB;
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//get TEX3d poiters wlgGetProcAddress
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SAFE_GET_PROC (qglTexImage3DEXT,PFNGLTEXIMAGE3DEXT,"glTexImage3DEXT");
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//default to trilinear filtering
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gl_filter_min = GL_LINEAR_MIPMAP_LINEAR;
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gl_filter_max = GL_LINEAR;
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}
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}
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void CheckNV3xFragmentExtensions(void) {
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int supportedTmu;
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glGetIntegerv(GL_MAX_ACTIVE_TEXTURES_ARB,&supportedTmu);
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if (strstr(gl_extensions, "GL_EXT_texture3D")
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&& (!COM_CheckParm ("-forcegeneric"))
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&& (!COM_CheckParm ("-nonv3x"))
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&& strstr(gl_extensions, "GL_NV_fragment_program")
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&& strstr(gl_extensions, "GL_NV_vertex_program2"))
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{
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gl_cardtype = NV3x;
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//get TEX3d poiters wlgGetProcAddress
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SAFE_GET_PROC (qglTexImage3DEXT,PFNGLTEXIMAGE3DEXT,"glTexImage3DEXT");
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//get vertex_program pointers
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SAFE_GET_PROC (qglAreProgramsResidentNV,PFNGLAREPROGRAMSRESIDENTNVPROC,"glAreProgramsResidentNV");
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SAFE_GET_PROC (qglBindProgramNV,PFNGLBINDPROGRAMNVPROC,"glBindProgramNV");
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SAFE_GET_PROC (qglDeleteProgramsNV,PFNGLDELETEPROGRAMSNVPROC,"glDeleteProgramsNV");
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SAFE_GET_PROC (qglExecuteProgramNV,PFNGLEXECUTEPROGRAMNVPROC,"glExecuteProgramNV");
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SAFE_GET_PROC (qglGenProgramsNV,PFNGLGENPROGRAMSNVPROC,"glGenProgramsNV");
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SAFE_GET_PROC (qglGetProgramParameterdvNV,PFNGLGETPROGRAMPARAMETERDVNVPROC,"glGetProgramParameterdvNV");
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SAFE_GET_PROC (qglGetProgramParameterfvNV,PFNGLGETPROGRAMPARAMETERFVNVPROC,"glGetProgramParameterfvNV");
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SAFE_GET_PROC (qglGetProgramivNV,PFNGLGETPROGRAMIVNVPROC,"glGetProgramivNV");
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SAFE_GET_PROC (qglGetProgramStringNV,PFNGLGETPROGRAMSTRINGNVPROC,"glGetProgramStringNV");
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SAFE_GET_PROC (qglGetTrackMatrixivNV,PFNGLGETTRACKMATRIXIVNVPROC,"glGetTrackMatrixivNV");
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SAFE_GET_PROC (qglGetVertexAttribdvNV,PFNGLGETVERTEXATTRIBDVNVPROC,"glGetVertexAttribdvNV");
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SAFE_GET_PROC (qglGetVertexAttribfvNV,PFNGLGETVERTEXATTRIBFVNVPROC,"glGetVertexAttribfvNV");
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SAFE_GET_PROC (qglGetVertexAttribivNV,PFNGLGETVERTEXATTRIBIVNVPROC,"glGetVertexAttribivNV");
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SAFE_GET_PROC (qglGetVertexAttribPointervNV,PFNGLGETVERTEXATTRIBPOINTERVNVPROC,"glGetVertexAttribPointervNV");
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SAFE_GET_PROC (qglGetVertexAttribPointervNV,PFNGLGETVERTEXATTRIBPOINTERVNVPROC,"glGetVertexAttribPointerNV");
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SAFE_GET_PROC (qglIsProgramNV,PFNGLISPROGRAMNVPROC,"glIsProgramNV");
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SAFE_GET_PROC (qglLoadProgramNV,PFNGLLOADPROGRAMNVPROC,"glLoadProgramNV");
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SAFE_GET_PROC (qglProgramParameter4dNV,PFNGLPROGRAMPARAMETER4DNVPROC,"glProgramParameter4dNV");
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SAFE_GET_PROC (qglProgramParameter4dvNV,PFNGLPROGRAMPARAMETER4DVNVPROC,"glProgramParameter4dvNV");
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SAFE_GET_PROC (qglProgramParameter4fNV,PFNGLPROGRAMPARAMETER4FNVPROC,"glProgramParameter4fNV");
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SAFE_GET_PROC (qglProgramParameter4fvNV,PFNGLPROGRAMPARAMETER4FVNVPROC,"glProgramParameter4fvNV");
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SAFE_GET_PROC (qglProgramParameters4dvNV,PFNGLPROGRAMPARAMETERS4DVNVPROC,"glProgramParameters4dvNV");
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SAFE_GET_PROC (qglProgramParameters4fvNV,PFNGLPROGRAMPARAMETERS4FVNVPROC,"glProgramParameters4fvNV");
|
|
SAFE_GET_PROC (qglRequestResidentProgramsNV,PFNGLREQUESTRESIDENTPROGRAMSNVPROC,"glRequestResidentProgramsNV");
|
|
SAFE_GET_PROC (qglTrackMatrixNV,PFNGLTRACKMATRIXNVPROC,"glTrackMatrixNV");
|
|
|
|
//default to trilinear filtering
|
|
gl_filter_min = GL_LINEAR_MIPMAP_LINEAR;
|
|
gl_filter_max = GL_LINEAR;
|
|
}
|
|
}
|
|
|
|
void CheckAnisotropicExtension(void)
|
|
{
|
|
if (strstr(gl_extensions, "GL_EXT_texture_filter_anisotropic") &&
|
|
( COM_CheckParm ("-anisotropic") || COM_CheckParm ("-anisotropy")) )
|
|
{
|
|
GLfloat maxanisotropy;
|
|
|
|
if ( COM_CheckParm ("-anisotropy"))
|
|
gl_textureanisotropylevel = Q_atoi(com_argv[COM_CheckParm("-anisotropy")+1]);
|
|
|
|
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &maxanisotropy);
|
|
if ( gl_textureanisotropylevel > maxanisotropy )
|
|
gl_textureanisotropylevel = maxanisotropy;
|
|
|
|
if ( gl_textureanisotropylevel < 1.0f )
|
|
gl_textureanisotropylevel = 1.0f;
|
|
|
|
Con_Printf("Anisotropic texture filter level %.0f\n",
|
|
gl_textureanisotropylevel);
|
|
gl_texturefilteranisotropic = true;
|
|
}
|
|
}
|
|
|
|
void CheckTextureCompressionExtension(void)
|
|
{
|
|
if (strstr(gl_extensions, "GL_ARB_texture_compression") )
|
|
{
|
|
Con_Printf("Texture compression available\n");
|
|
gl_texcomp = true;
|
|
}
|
|
}
|
|
|
|
void CheckOcclusionTest(void)
|
|
{
|
|
if (strstr(gl_extensions, "GL_HP_occlusion_test") )
|
|
{
|
|
Con_Printf("Occlusion test available\n");
|
|
gl_occlusiontest = true;
|
|
}
|
|
}
|
|
/*
|
|
===============
|
|
GL_Init
|
|
===============
|
|
*/
|
|
void GL_Init (void)
|
|
{
|
|
int supportedTmu;
|
|
|
|
gl_vendor = glGetString (GL_VENDOR);
|
|
Con_Printf ("GL_VENDOR: %s\n", gl_vendor);
|
|
gl_renderer = glGetString (GL_RENDERER);
|
|
Con_Printf ("GL_RENDERER: %s\n", gl_renderer);
|
|
|
|
gl_version = glGetString (GL_VERSION);
|
|
Con_Printf ("GL_VERSION: %s\n", gl_version);
|
|
gl_extensions = glGetString (GL_EXTENSIONS);
|
|
Con_Printf ("GL_EXTENSIONS: %s\n", gl_extensions);
|
|
|
|
Con_Printf ("%s %s\n", gl_renderer, gl_version);
|
|
|
|
Con_Printf ("Checking multitexture\n");
|
|
CheckMultiTextureExtensions ();
|
|
|
|
Con_Printf ("Checking diffuse bumpmap extensions\n");
|
|
CheckDiffuseBumpMappingExtensions ();
|
|
|
|
Con_Printf ("Checking NV3x extensions\n");
|
|
CheckNV3xFragmentExtensions ();
|
|
|
|
if ( gl_cardtype != NV3x )
|
|
{
|
|
Con_Printf ("Checking ARB extensions\n");
|
|
CheckARBFragmentExtensions ();
|
|
}
|
|
|
|
if ( gl_cardtype != ARB && gl_cardtype != NV3x )
|
|
{
|
|
Con_Printf ("Checking GeForce 1/2/4-MX extensions\n");
|
|
CheckSpecularBumpMappingExtensions ();
|
|
Con_Printf ("Checking GeForce 3/4 extensions\n");
|
|
CheckGeforce3Extensions ();
|
|
Con_Printf ("Checking Radeon 8500+ extensions\n");
|
|
CheckRadeonExtensions ();
|
|
Con_Printf ("Checking Parhelia extensions\n");
|
|
CheckParheliaExtensions ();
|
|
}
|
|
|
|
Con_Printf ("Checking VAR\n");
|
|
CheckVertexArrayRange ();
|
|
Con_Printf ("Checking AF\n");
|
|
CheckAnisotropicExtension ();
|
|
Con_Printf ("Checking TC\n");
|
|
CheckTextureCompressionExtension ();
|
|
Con_Printf ("checking OT\n");
|
|
CheckOcclusionTest();
|
|
|
|
//if something goes wrong here throw an sys_error as we don't want to end up
|
|
//having invalid function pointers called...
|
|
switch (gl_cardtype)
|
|
{
|
|
case GENERIC:
|
|
Con_Printf ("Using generic path.\n");
|
|
// Sys_Error("No generic path yet\n");
|
|
BUMP_InitGeneric();
|
|
break;
|
|
case GEFORCE:
|
|
Con_Printf ("Using GeForce 1/2/4-MX path\n");
|
|
// Sys_Error("No geforce2 path yet\n");
|
|
BUMP_InitGeneric(); // has optimizations for GF cards (some day :)
|
|
break;
|
|
case GEFORCE3:
|
|
Con_Printf ("Using GeForce 3/4 path\n");
|
|
BUMP_InitGeforce3();
|
|
break;
|
|
case RADEON:
|
|
Con_Printf ("Using Radeon path.\n");
|
|
BUMP_InitRadeon();
|
|
break;
|
|
case PARHELIA:
|
|
Con_Printf ("Using Parhelia path.\n");
|
|
BUMP_InitParhelia();
|
|
break;
|
|
case ARB:
|
|
Con_Printf ("Using ARB_fragment_program path.\n");
|
|
BUMP_InitARB();
|
|
break;
|
|
case NV3x:
|
|
Con_Printf ("Using NV_fragment_program path.\n");
|
|
BUMP_InitNV3x();
|
|
break;
|
|
}
|
|
|
|
glGetIntegerv (GL_MAX_ACTIVE_TEXTURES_ARB,&supportedTmu);
|
|
Con_Printf ("%i texture units\n",supportedTmu);
|
|
|
|
//PENTA: enable mlook by default, people kept mailing me about how to do mlook
|
|
Cbuf_AddText ("+mlook\n");
|
|
|
|
glClearColor (0.5,0.5,0.5,0.5);
|
|
glCullFace (GL_FRONT);
|
|
glEnable (GL_TEXTURE_2D);
|
|
|
|
glEnable (GL_ALPHA_TEST);
|
|
glAlphaFunc (GL_GREATER, 0.666f);
|
|
|
|
glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
|
|
glShadeModel (GL_FLAT);
|
|
|
|
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
|
|
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
// glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|
|
glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
|
#if 0
|
|
CheckArrayExtensions ();
|
|
|
|
glEnable (GL_VERTEX_ARRAY_EXT);
|
|
glEnable (GL_TEXTURE_COORD_ARRAY_EXT);
|
|
glVertexPointerEXT (3, GL_FLOAT, 0, 0, &glv.x);
|
|
glTexCoordPointerEXT (2, GL_FLOAT, 0, 0, &glv.s);
|
|
glColorPointerEXT (3, GL_FLOAT, 0, 0, &glv.r);
|
|
#endif
|
|
|
|
}
|