mirror of
https://github.com/UberGames/lilium-voyager.git
synced 2024-12-16 07:01:24 +00:00
3145 lines
79 KiB
C
3145 lines
79 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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 Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#include "tr_local.h"
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// tr_shader.c -- this file deals with the parsing and definition of shaders
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static char *s_shaderText;
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// the shader is parsed into these global variables, then copied into
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// dynamically allocated memory if it is valid.
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static shaderStage_t stages[MAX_SHADER_STAGES];
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static shader_t shader;
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static texModInfo_t texMods[MAX_SHADER_STAGES][TR_MAX_TEXMODS];
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#define FILE_HASH_SIZE 1024
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static shader_t* hashTable[FILE_HASH_SIZE];
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#define MAX_SHADERTEXT_HASH 2048
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static char **shaderTextHashTable[MAX_SHADERTEXT_HASH];
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/*
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================
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return a hash value for the filename
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================
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*/
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#ifdef __GNUCC__
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#warning TODO: check if long is ok here
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#endif
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static long generateHashValue( const char *fname, const int size ) {
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int i;
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long hash;
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char letter;
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hash = 0;
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i = 0;
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while (fname[i] != '\0') {
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letter = tolower(fname[i]);
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if (letter =='.') break; // don't include extension
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if (letter =='\\') letter = '/'; // damn path names
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if (letter == PATH_SEP) letter = '/'; // damn path names
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hash+=(long)(letter)*(i+119);
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i++;
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}
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hash = (hash ^ (hash >> 10) ^ (hash >> 20));
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hash &= (size-1);
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return hash;
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}
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void R_RemapShader(const char *shaderName, const char *newShaderName, const char *timeOffset) {
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char strippedName[MAX_QPATH];
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int hash;
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shader_t *sh, *sh2;
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qhandle_t h;
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sh = R_FindShaderByName( shaderName );
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if (sh == NULL || sh == tr.defaultShader) {
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h = RE_RegisterShaderLightMap(shaderName, 0);
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sh = R_GetShaderByHandle(h);
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}
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if (sh == NULL || sh == tr.defaultShader) {
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ri.Printf( PRINT_WARNING, "WARNING: R_RemapShader: shader %s not found\n", shaderName );
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return;
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}
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sh2 = R_FindShaderByName( newShaderName );
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if (sh2 == NULL || sh2 == tr.defaultShader) {
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h = RE_RegisterShaderLightMap(newShaderName, 0);
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sh2 = R_GetShaderByHandle(h);
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}
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if (sh2 == NULL || sh2 == tr.defaultShader) {
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ri.Printf( PRINT_WARNING, "WARNING: R_RemapShader: new shader %s not found\n", newShaderName );
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return;
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}
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// remap all the shaders with the given name
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// even tho they might have different lightmaps
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COM_StripExtension(shaderName, strippedName, sizeof(strippedName));
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hash = generateHashValue(strippedName, FILE_HASH_SIZE);
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for (sh = hashTable[hash]; sh; sh = sh->next) {
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if (Q_stricmp(sh->name, strippedName) == 0) {
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if (sh != sh2) {
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sh->remappedShader = sh2;
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} else {
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sh->remappedShader = NULL;
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}
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}
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}
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if (timeOffset) {
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sh2->timeOffset = atof(timeOffset);
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}
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}
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/*
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===============
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ParseVector
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===============
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*/
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static qboolean ParseVector( char **text, int count, float *v ) {
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char *token;
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int i;
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// FIXME: spaces are currently required after parens, should change parseext...
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token = COM_ParseExt( text, qfalse );
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if ( strcmp( token, "(" ) ) {
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ri.Printf( PRINT_WARNING, "WARNING: missing parenthesis in shader '%s'\n", shader.name );
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return qfalse;
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}
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for ( i = 0 ; i < count ; i++ ) {
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token = COM_ParseExt( text, qfalse );
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if ( !token[0] ) {
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ri.Printf( PRINT_WARNING, "WARNING: missing vector element in shader '%s'\n", shader.name );
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return qfalse;
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}
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v[i] = atof( token );
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}
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token = COM_ParseExt( text, qfalse );
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if ( strcmp( token, ")" ) ) {
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ri.Printf( PRINT_WARNING, "WARNING: missing parenthesis in shader '%s'\n", shader.name );
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return qfalse;
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}
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return qtrue;
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}
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/*
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===============
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NameToAFunc
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===============
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*/
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static unsigned NameToAFunc( const char *funcname )
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{
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if ( !Q_stricmp( funcname, "GT0" ) )
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{
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return GLS_ATEST_GT_0;
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}
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else if ( !Q_stricmp( funcname, "LT128" ) )
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{
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return GLS_ATEST_LT_80;
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}
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else if ( !Q_stricmp( funcname, "GE128" ) )
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{
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return GLS_ATEST_GE_80;
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}
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ri.Printf( PRINT_WARNING, "WARNING: invalid alphaFunc name '%s' in shader '%s'\n", funcname, shader.name );
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return 0;
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}
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/*
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===============
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NameToSrcBlendMode
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===============
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*/
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static int NameToSrcBlendMode( const char *name )
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{
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if ( !Q_stricmp( name, "GL_ONE" ) )
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{
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return GLS_SRCBLEND_ONE;
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}
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else if ( !Q_stricmp( name, "GL_ZERO" ) )
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{
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return GLS_SRCBLEND_ZERO;
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}
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else if ( !Q_stricmp( name, "GL_DST_COLOR" ) )
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{
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return GLS_SRCBLEND_DST_COLOR;
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}
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else if ( !Q_stricmp( name, "GL_ONE_MINUS_DST_COLOR" ) )
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{
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return GLS_SRCBLEND_ONE_MINUS_DST_COLOR;
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}
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else if ( !Q_stricmp( name, "GL_SRC_ALPHA" ) )
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{
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return GLS_SRCBLEND_SRC_ALPHA;
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}
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else if ( !Q_stricmp( name, "GL_ONE_MINUS_SRC_ALPHA" ) )
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{
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return GLS_SRCBLEND_ONE_MINUS_SRC_ALPHA;
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}
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else if ( !Q_stricmp( name, "GL_DST_ALPHA" ) )
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{
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return GLS_SRCBLEND_DST_ALPHA;
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}
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else if ( !Q_stricmp( name, "GL_ONE_MINUS_DST_ALPHA" ) )
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{
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return GLS_SRCBLEND_ONE_MINUS_DST_ALPHA;
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}
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else if ( !Q_stricmp( name, "GL_SRC_ALPHA_SATURATE" ) )
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{
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return GLS_SRCBLEND_ALPHA_SATURATE;
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}
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ri.Printf( PRINT_WARNING, "WARNING: unknown blend mode '%s' in shader '%s', substituting GL_ONE\n", name, shader.name );
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return GLS_SRCBLEND_ONE;
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}
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/*
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===============
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NameToDstBlendMode
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===============
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*/
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static int NameToDstBlendMode( const char *name )
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{
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if ( !Q_stricmp( name, "GL_ONE" ) )
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{
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return GLS_DSTBLEND_ONE;
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}
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else if ( !Q_stricmp( name, "GL_ZERO" ) )
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{
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return GLS_DSTBLEND_ZERO;
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}
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else if ( !Q_stricmp( name, "GL_SRC_ALPHA" ) )
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{
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return GLS_DSTBLEND_SRC_ALPHA;
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}
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else if ( !Q_stricmp( name, "GL_ONE_MINUS_SRC_ALPHA" ) )
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{
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return GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA;
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}
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else if ( !Q_stricmp( name, "GL_DST_ALPHA" ) )
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{
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return GLS_DSTBLEND_DST_ALPHA;
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}
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else if ( !Q_stricmp( name, "GL_ONE_MINUS_DST_ALPHA" ) )
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{
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return GLS_DSTBLEND_ONE_MINUS_DST_ALPHA;
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}
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else if ( !Q_stricmp( name, "GL_SRC_COLOR" ) )
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{
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return GLS_DSTBLEND_SRC_COLOR;
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}
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else if ( !Q_stricmp( name, "GL_ONE_MINUS_SRC_COLOR" ) )
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{
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return GLS_DSTBLEND_ONE_MINUS_SRC_COLOR;
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}
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ri.Printf( PRINT_WARNING, "WARNING: unknown blend mode '%s' in shader '%s', substituting GL_ONE\n", name, shader.name );
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return GLS_DSTBLEND_ONE;
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}
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/*
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===============
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NameToGenFunc
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===============
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*/
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static genFunc_t NameToGenFunc( const char *funcname )
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{
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if ( !Q_stricmp( funcname, "sin" ) )
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{
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return GF_SIN;
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}
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else if ( !Q_stricmp( funcname, "square" ) )
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{
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return GF_SQUARE;
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}
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else if ( !Q_stricmp( funcname, "triangle" ) )
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{
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return GF_TRIANGLE;
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}
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else if ( !Q_stricmp( funcname, "sawtooth" ) )
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{
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return GF_SAWTOOTH;
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}
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else if ( !Q_stricmp( funcname, "inversesawtooth" ) )
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{
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return GF_INVERSE_SAWTOOTH;
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}
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else if ( !Q_stricmp( funcname, "noise" ) )
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{
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return GF_NOISE;
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}
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ri.Printf( PRINT_WARNING, "WARNING: invalid genfunc name '%s' in shader '%s'\n", funcname, shader.name );
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return GF_SIN;
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}
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/*
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===================
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ParseWaveForm
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===================
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*/
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static void ParseWaveForm( char **text, waveForm_t *wave )
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{
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char *token;
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token = COM_ParseExt( text, qfalse );
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if ( token[0] == 0 )
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{
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ri.Printf( PRINT_WARNING, "WARNING: missing waveform parm in shader '%s'\n", shader.name );
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return;
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}
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wave->func = NameToGenFunc( token );
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// BASE, AMP, PHASE, FREQ
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token = COM_ParseExt( text, qfalse );
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if ( token[0] == 0 )
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{
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ri.Printf( PRINT_WARNING, "WARNING: missing waveform parm in shader '%s'\n", shader.name );
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return;
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}
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wave->base = atof( token );
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token = COM_ParseExt( text, qfalse );
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if ( token[0] == 0 )
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{
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ri.Printf( PRINT_WARNING, "WARNING: missing waveform parm in shader '%s'\n", shader.name );
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return;
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}
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wave->amplitude = atof( token );
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token = COM_ParseExt( text, qfalse );
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if ( token[0] == 0 )
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{
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ri.Printf( PRINT_WARNING, "WARNING: missing waveform parm in shader '%s'\n", shader.name );
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return;
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}
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wave->phase = atof( token );
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token = COM_ParseExt( text, qfalse );
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if ( token[0] == 0 )
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{
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ri.Printf( PRINT_WARNING, "WARNING: missing waveform parm in shader '%s'\n", shader.name );
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return;
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}
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wave->frequency = atof( token );
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}
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/*
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===================
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ParseTexMod
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===================
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*/
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static void ParseTexMod( char *_text, shaderStage_t *stage )
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{
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const char *token;
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char **text = &_text;
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texModInfo_t *tmi;
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if ( stage->bundle[0].numTexMods == TR_MAX_TEXMODS ) {
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ri.Error( ERR_DROP, "ERROR: too many tcMod stages in shader '%s'", shader.name );
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return;
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}
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tmi = &stage->bundle[0].texMods[stage->bundle[0].numTexMods];
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stage->bundle[0].numTexMods++;
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token = COM_ParseExt( text, qfalse );
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//
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// turb
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//
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if ( !Q_stricmp( token, "turb" ) )
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{
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token = COM_ParseExt( text, qfalse );
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if ( token[0] == 0 )
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{
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ri.Printf( PRINT_WARNING, "WARNING: missing tcMod turb parms in shader '%s'\n", shader.name );
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return;
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}
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tmi->wave.base = atof( token );
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token = COM_ParseExt( text, qfalse );
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if ( token[0] == 0 )
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{
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ri.Printf( PRINT_WARNING, "WARNING: missing tcMod turb in shader '%s'\n", shader.name );
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return;
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}
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tmi->wave.amplitude = atof( token );
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token = COM_ParseExt( text, qfalse );
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if ( token[0] == 0 )
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{
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ri.Printf( PRINT_WARNING, "WARNING: missing tcMod turb in shader '%s'\n", shader.name );
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return;
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}
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tmi->wave.phase = atof( token );
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token = COM_ParseExt( text, qfalse );
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if ( token[0] == 0 )
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{
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ri.Printf( PRINT_WARNING, "WARNING: missing tcMod turb in shader '%s'\n", shader.name );
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return;
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}
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tmi->wave.frequency = atof( token );
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tmi->type = TMOD_TURBULENT;
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}
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//
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// scale
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//
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else if ( !Q_stricmp( token, "scale" ) )
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{
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token = COM_ParseExt( text, qfalse );
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if ( token[0] == 0 )
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{
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ri.Printf( PRINT_WARNING, "WARNING: missing scale parms in shader '%s'\n", shader.name );
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return;
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}
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tmi->scale[0] = atof( token );
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token = COM_ParseExt( text, qfalse );
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if ( token[0] == 0 )
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{
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ri.Printf( PRINT_WARNING, "WARNING: missing scale parms in shader '%s'\n", shader.name );
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return;
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}
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tmi->scale[1] = atof( token );
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tmi->type = TMOD_SCALE;
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}
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//
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// scroll
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//
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else if ( !Q_stricmp( token, "scroll" ) )
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{
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token = COM_ParseExt( text, qfalse );
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if ( token[0] == 0 )
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{
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ri.Printf( PRINT_WARNING, "WARNING: missing scale scroll parms in shader '%s'\n", shader.name );
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return;
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}
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tmi->scroll[0] = atof( token );
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token = COM_ParseExt( text, qfalse );
|
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if ( token[0] == 0 )
|
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{
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ri.Printf( PRINT_WARNING, "WARNING: missing scale scroll parms in shader '%s'\n", shader.name );
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return;
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}
|
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tmi->scroll[1] = atof( token );
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tmi->type = TMOD_SCROLL;
|
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}
|
|
//
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// stretch
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//
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else if ( !Q_stricmp( token, "stretch" ) )
|
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{
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token = COM_ParseExt( text, qfalse );
|
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if ( token[0] == 0 )
|
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{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing stretch parms in shader '%s'\n", shader.name );
|
|
return;
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|
}
|
|
tmi->wave.func = NameToGenFunc( token );
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|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing stretch parms in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
tmi->wave.base = atof( token );
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing stretch parms in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
tmi->wave.amplitude = atof( token );
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing stretch parms in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
tmi->wave.phase = atof( token );
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing stretch parms in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
tmi->wave.frequency = atof( token );
|
|
|
|
tmi->type = TMOD_STRETCH;
|
|
}
|
|
//
|
|
// transform
|
|
//
|
|
else if ( !Q_stricmp( token, "transform" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing transform parms in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
tmi->matrix[0][0] = atof( token );
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing transform parms in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
tmi->matrix[0][1] = atof( token );
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing transform parms in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
tmi->matrix[1][0] = atof( token );
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing transform parms in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
tmi->matrix[1][1] = atof( token );
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing transform parms in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
tmi->translate[0] = atof( token );
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing transform parms in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
tmi->translate[1] = atof( token );
|
|
|
|
tmi->type = TMOD_TRANSFORM;
|
|
}
|
|
//
|
|
// rotate
|
|
//
|
|
else if ( !Q_stricmp( token, "rotate" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing tcMod rotate parms in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
tmi->rotateSpeed = atof( token );
|
|
tmi->type = TMOD_ROTATE;
|
|
}
|
|
//
|
|
// entityTranslate
|
|
//
|
|
else if ( !Q_stricmp( token, "entityTranslate" ) )
|
|
{
|
|
tmi->type = TMOD_ENTITY_TRANSLATE;
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: unknown tcMod '%s' in shader '%s'\n", token, shader.name );
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
===================
|
|
ParseStage
|
|
===================
|
|
*/
|
|
static qboolean ParseStage( shaderStage_t *stage, char **text )
|
|
{
|
|
char *token;
|
|
int depthMaskBits = GLS_DEPTHMASK_TRUE, blendSrcBits = 0, blendDstBits = 0, atestBits = 0, depthFuncBits = 0;
|
|
qboolean depthMaskExplicit = qfalse;
|
|
|
|
stage->active = qtrue;
|
|
|
|
while ( 1 )
|
|
{
|
|
token = COM_ParseExt( text, qtrue );
|
|
if ( !token[0] )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: no matching '}' found\n" );
|
|
return qfalse;
|
|
}
|
|
|
|
if ( token[0] == '}' )
|
|
{
|
|
break;
|
|
}
|
|
//
|
|
// map <name>
|
|
//
|
|
else if ( !Q_stricmp( token, "map" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( !token[0] )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing parameter for 'map' keyword in shader '%s'\n", shader.name );
|
|
return qfalse;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, "$whiteimage" ) )
|
|
{
|
|
stage->bundle[0].image[0] = tr.whiteImage;
|
|
continue;
|
|
}
|
|
else if ( !Q_stricmp( token, "$lightmap" ) )
|
|
{
|
|
stage->bundle[0].isLightmap = qtrue;
|
|
if ( shader.lightmapIndex < 0 || !tr.lightmaps ) {
|
|
stage->bundle[0].image[0] = tr.whiteImage;
|
|
} else {
|
|
stage->bundle[0].image[0] = tr.lightmaps[shader.lightmapIndex];
|
|
}
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
imgType_t type = IMGTYPE_COLORALPHA;
|
|
imgFlags_t flags = IMGFLAG_NONE;
|
|
|
|
if (!shader.noMipMaps)
|
|
flags |= IMGFLAG_MIPMAP;
|
|
|
|
if (!shader.noPicMip)
|
|
flags |= IMGFLAG_PICMIP;
|
|
|
|
stage->bundle[0].image[0] = R_FindImageFile( token, type, flags );
|
|
|
|
if ( !stage->bundle[0].image[0] )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: R_FindImageFile could not find '%s' in shader '%s'\n", token, shader.name );
|
|
return qfalse;
|
|
}
|
|
}
|
|
}
|
|
//
|
|
// clampmap <name>
|
|
//
|
|
else if ( !Q_stricmp( token, "clampmap" ) )
|
|
{
|
|
imgType_t type = IMGTYPE_COLORALPHA;
|
|
imgFlags_t flags = IMGFLAG_CLAMPTOEDGE;
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( !token[0] )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing parameter for 'clampmap' keyword in shader '%s'\n", shader.name );
|
|
return qfalse;
|
|
}
|
|
|
|
if (!shader.noMipMaps)
|
|
flags |= IMGFLAG_MIPMAP;
|
|
|
|
if (!shader.noPicMip)
|
|
flags |= IMGFLAG_PICMIP;
|
|
|
|
stage->bundle[0].image[0] = R_FindImageFile( token, type, flags );
|
|
if ( !stage->bundle[0].image[0] )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: R_FindImageFile could not find '%s' in shader '%s'\n", token, shader.name );
|
|
return qfalse;
|
|
}
|
|
}
|
|
//
|
|
// animMap <frequency> <image1> .... <imageN>
|
|
//
|
|
else if ( !Q_stricmp( token, "animMap" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( !token[0] )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing parameter for 'animMap' keyword in shader '%s'\n", shader.name );
|
|
return qfalse;
|
|
}
|
|
stage->bundle[0].imageAnimationSpeed = atof( token );
|
|
|
|
// parse up to MAX_IMAGE_ANIMATIONS animations
|
|
while ( 1 ) {
|
|
int num;
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( !token[0] ) {
|
|
break;
|
|
}
|
|
num = stage->bundle[0].numImageAnimations;
|
|
if ( num < MAX_IMAGE_ANIMATIONS ) {
|
|
imgFlags_t flags = IMGFLAG_NONE;
|
|
|
|
if (!shader.noMipMaps)
|
|
flags |= IMGFLAG_MIPMAP;
|
|
|
|
if (!shader.noPicMip)
|
|
flags |= IMGFLAG_PICMIP;
|
|
|
|
stage->bundle[0].image[num] = R_FindImageFile( token, IMGTYPE_COLORALPHA, flags );
|
|
if ( !stage->bundle[0].image[num] )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: R_FindImageFile could not find '%s' in shader '%s'\n", token, shader.name );
|
|
return qfalse;
|
|
}
|
|
stage->bundle[0].numImageAnimations++;
|
|
}
|
|
}
|
|
}
|
|
else if ( !Q_stricmp( token, "videoMap" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( !token[0] )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing parameter for 'videoMap' keyword in shader '%s'\n", shader.name );
|
|
return qfalse;
|
|
}
|
|
stage->bundle[0].videoMapHandle = ri.CIN_PlayCinematic( token, 0, 0, 256, 256, (CIN_loop | CIN_silent | CIN_shader));
|
|
if (stage->bundle[0].videoMapHandle != -1) {
|
|
stage->bundle[0].isVideoMap = qtrue;
|
|
stage->bundle[0].image[0] = tr.scratchImage[stage->bundle[0].videoMapHandle];
|
|
}
|
|
}
|
|
//
|
|
// alphafunc <func>
|
|
//
|
|
else if ( !Q_stricmp( token, "alphaFunc" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( !token[0] )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing parameter for 'alphaFunc' keyword in shader '%s'\n", shader.name );
|
|
return qfalse;
|
|
}
|
|
|
|
atestBits = NameToAFunc( token );
|
|
}
|
|
//
|
|
// depthFunc <func>
|
|
//
|
|
else if ( !Q_stricmp( token, "depthfunc" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
|
|
if ( !token[0] )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing parameter for 'depthfunc' keyword in shader '%s'\n", shader.name );
|
|
return qfalse;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, "lequal" ) )
|
|
{
|
|
depthFuncBits = 0;
|
|
}
|
|
else if ( !Q_stricmp( token, "equal" ) )
|
|
{
|
|
depthFuncBits = GLS_DEPTHFUNC_EQUAL;
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: unknown depthfunc '%s' in shader '%s'\n", token, shader.name );
|
|
continue;
|
|
}
|
|
}
|
|
//
|
|
// detail
|
|
//
|
|
else if ( !Q_stricmp( token, "detail" ) )
|
|
{
|
|
stage->isDetail = qtrue;
|
|
}
|
|
//
|
|
// blendfunc <srcFactor> <dstFactor>
|
|
// or blendfunc <add|filter|blend>
|
|
//
|
|
else if ( !Q_stricmp( token, "blendfunc" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing parm for blendFunc in shader '%s'\n", shader.name );
|
|
continue;
|
|
}
|
|
// check for "simple" blends first
|
|
if ( !Q_stricmp( token, "add" ) ) {
|
|
blendSrcBits = GLS_SRCBLEND_ONE;
|
|
blendDstBits = GLS_DSTBLEND_ONE;
|
|
} else if ( !Q_stricmp( token, "filter" ) ) {
|
|
blendSrcBits = GLS_SRCBLEND_DST_COLOR;
|
|
blendDstBits = GLS_DSTBLEND_ZERO;
|
|
} else if ( !Q_stricmp( token, "blend" ) ) {
|
|
blendSrcBits = GLS_SRCBLEND_SRC_ALPHA;
|
|
blendDstBits = GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA;
|
|
} else {
|
|
// complex double blends
|
|
blendSrcBits = NameToSrcBlendMode( token );
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing parm for blendFunc in shader '%s'\n", shader.name );
|
|
continue;
|
|
}
|
|
blendDstBits = NameToDstBlendMode( token );
|
|
}
|
|
|
|
// clear depth mask for blended surfaces
|
|
if ( !depthMaskExplicit )
|
|
{
|
|
depthMaskBits = 0;
|
|
}
|
|
}
|
|
//
|
|
// rgbGen
|
|
//
|
|
else if ( !Q_stricmp( token, "rgbGen" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing parameters for rgbGen in shader '%s'\n", shader.name );
|
|
continue;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, "wave" ) )
|
|
{
|
|
ParseWaveForm( text, &stage->rgbWave );
|
|
stage->rgbGen = CGEN_WAVEFORM;
|
|
}
|
|
else if ( !Q_stricmp( token, "const" ) )
|
|
{
|
|
vec3_t color;
|
|
|
|
VectorClear( color );
|
|
|
|
ParseVector( text, 3, color );
|
|
stage->constantColor[0] = 255 * color[0];
|
|
stage->constantColor[1] = 255 * color[1];
|
|
stage->constantColor[2] = 255 * color[2];
|
|
|
|
stage->rgbGen = CGEN_CONST;
|
|
}
|
|
else if ( !Q_stricmp( token, "identity" ) )
|
|
{
|
|
stage->rgbGen = CGEN_IDENTITY;
|
|
}
|
|
else if ( !Q_stricmp( token, "identityLighting" ) )
|
|
{
|
|
stage->rgbGen = CGEN_IDENTITY_LIGHTING;
|
|
}
|
|
else if ( !Q_stricmp( token, "entity" ) )
|
|
{
|
|
stage->rgbGen = CGEN_ENTITY;
|
|
}
|
|
else if ( !Q_stricmp( token, "oneMinusEntity" ) )
|
|
{
|
|
stage->rgbGen = CGEN_ONE_MINUS_ENTITY;
|
|
}
|
|
else if ( !Q_stricmp( token, "vertex" ) )
|
|
{
|
|
stage->rgbGen = CGEN_VERTEX;
|
|
if ( stage->alphaGen == 0 ) {
|
|
stage->alphaGen = AGEN_VERTEX;
|
|
}
|
|
}
|
|
else if ( !Q_stricmp( token, "exactVertex" ) )
|
|
{
|
|
stage->rgbGen = CGEN_EXACT_VERTEX;
|
|
}
|
|
else if ( !Q_stricmp( token, "lightingDiffuse" ) )
|
|
{
|
|
stage->rgbGen = CGEN_LIGHTING_DIFFUSE;
|
|
}
|
|
else if ( !Q_stricmp( token, "oneMinusVertex" ) )
|
|
{
|
|
stage->rgbGen = CGEN_ONE_MINUS_VERTEX;
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: unknown rgbGen parameter '%s' in shader '%s'\n", token, shader.name );
|
|
continue;
|
|
}
|
|
}
|
|
//
|
|
// alphaGen
|
|
//
|
|
else if ( !Q_stricmp( token, "alphaGen" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing parameters for alphaGen in shader '%s'\n", shader.name );
|
|
continue;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, "wave" ) )
|
|
{
|
|
ParseWaveForm( text, &stage->alphaWave );
|
|
stage->alphaGen = AGEN_WAVEFORM;
|
|
}
|
|
else if ( !Q_stricmp( token, "const" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
stage->constantColor[3] = 255 * atof( token );
|
|
stage->alphaGen = AGEN_CONST;
|
|
}
|
|
else if ( !Q_stricmp( token, "identity" ) )
|
|
{
|
|
stage->alphaGen = AGEN_IDENTITY;
|
|
}
|
|
else if ( !Q_stricmp( token, "entity" ) )
|
|
{
|
|
stage->alphaGen = AGEN_ENTITY;
|
|
}
|
|
else if ( !Q_stricmp( token, "oneMinusEntity" ) )
|
|
{
|
|
stage->alphaGen = AGEN_ONE_MINUS_ENTITY;
|
|
}
|
|
else if ( !Q_stricmp( token, "vertex" ) )
|
|
{
|
|
stage->alphaGen = AGEN_VERTEX;
|
|
}
|
|
else if ( !Q_stricmp( token, "lightingSpecular" ) )
|
|
{
|
|
stage->alphaGen = AGEN_LIGHTING_SPECULAR;
|
|
}
|
|
else if ( !Q_stricmp( token, "oneMinusVertex" ) )
|
|
{
|
|
stage->alphaGen = AGEN_ONE_MINUS_VERTEX;
|
|
}
|
|
else if ( !Q_stricmp( token, "portal" ) )
|
|
{
|
|
stage->alphaGen = AGEN_PORTAL;
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
shader.portalRange = 256;
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing range parameter for alphaGen portal in shader '%s', defaulting to 256\n", shader.name );
|
|
}
|
|
else
|
|
{
|
|
shader.portalRange = atof( token );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: unknown alphaGen parameter '%s' in shader '%s'\n", token, shader.name );
|
|
continue;
|
|
}
|
|
}
|
|
//
|
|
// tcGen <function>
|
|
//
|
|
else if ( !Q_stricmp(token, "texgen") || !Q_stricmp( token, "tcGen" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing texgen parm in shader '%s'\n", shader.name );
|
|
continue;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, "environment" ) )
|
|
{
|
|
stage->bundle[0].tcGen = TCGEN_ENVIRONMENT_MAPPED;
|
|
}
|
|
else if ( !Q_stricmp( token, "lightmap" ) )
|
|
{
|
|
stage->bundle[0].tcGen = TCGEN_LIGHTMAP;
|
|
}
|
|
else if ( !Q_stricmp( token, "texture" ) || !Q_stricmp( token, "base" ) )
|
|
{
|
|
stage->bundle[0].tcGen = TCGEN_TEXTURE;
|
|
}
|
|
else if ( !Q_stricmp( token, "vector" ) )
|
|
{
|
|
ParseVector( text, 3, stage->bundle[0].tcGenVectors[0] );
|
|
ParseVector( text, 3, stage->bundle[0].tcGenVectors[1] );
|
|
|
|
stage->bundle[0].tcGen = TCGEN_VECTOR;
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: unknown texgen parm in shader '%s'\n", shader.name );
|
|
}
|
|
}
|
|
//
|
|
// tcMod <type> <...>
|
|
//
|
|
else if ( !Q_stricmp( token, "tcMod" ) )
|
|
{
|
|
char buffer[1024] = "";
|
|
|
|
while ( 1 )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
break;
|
|
Q_strcat( buffer, sizeof (buffer), token );
|
|
Q_strcat( buffer, sizeof (buffer), " " );
|
|
}
|
|
|
|
ParseTexMod( buffer, stage );
|
|
|
|
continue;
|
|
}
|
|
//
|
|
// depthmask
|
|
//
|
|
else if ( !Q_stricmp( token, "depthwrite" ) )
|
|
{
|
|
depthMaskBits = GLS_DEPTHMASK_TRUE;
|
|
depthMaskExplicit = qtrue;
|
|
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: unknown parameter '%s' in shader '%s'\n", token, shader.name );
|
|
return qfalse;
|
|
}
|
|
}
|
|
|
|
//
|
|
// if cgen isn't explicitly specified, use either identity or identitylighting
|
|
//
|
|
if ( stage->rgbGen == CGEN_BAD ) {
|
|
if ( blendSrcBits == 0 ||
|
|
blendSrcBits == GLS_SRCBLEND_ONE ||
|
|
blendSrcBits == GLS_SRCBLEND_SRC_ALPHA ) {
|
|
stage->rgbGen = CGEN_IDENTITY_LIGHTING;
|
|
} else {
|
|
stage->rgbGen = CGEN_IDENTITY;
|
|
}
|
|
}
|
|
|
|
|
|
//
|
|
// implicitly assume that a GL_ONE GL_ZERO blend mask disables blending
|
|
//
|
|
if ( ( blendSrcBits == GLS_SRCBLEND_ONE ) &&
|
|
( blendDstBits == GLS_DSTBLEND_ZERO ) )
|
|
{
|
|
blendDstBits = blendSrcBits = 0;
|
|
depthMaskBits = GLS_DEPTHMASK_TRUE;
|
|
}
|
|
|
|
// decide which agens we can skip
|
|
if ( stage->alphaGen == AGEN_IDENTITY ) {
|
|
if ( stage->rgbGen == CGEN_IDENTITY
|
|
|| stage->rgbGen == CGEN_LIGHTING_DIFFUSE ) {
|
|
stage->alphaGen = AGEN_SKIP;
|
|
}
|
|
}
|
|
|
|
//
|
|
// compute state bits
|
|
//
|
|
stage->stateBits = depthMaskBits |
|
|
blendSrcBits | blendDstBits |
|
|
atestBits |
|
|
depthFuncBits;
|
|
|
|
return qtrue;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
ParseDeform
|
|
|
|
deformVertexes wave <spread> <waveform> <base> <amplitude> <phase> <frequency>
|
|
deformVertexes normal <frequency> <amplitude>
|
|
deformVertexes move <vector> <waveform> <base> <amplitude> <phase> <frequency>
|
|
deformVertexes bulge <bulgeWidth> <bulgeHeight> <bulgeSpeed>
|
|
deformVertexes projectionShadow
|
|
deformVertexes autoSprite
|
|
deformVertexes autoSprite2
|
|
deformVertexes text[0-7]
|
|
===============
|
|
*/
|
|
static void ParseDeform( char **text ) {
|
|
char *token;
|
|
deformStage_t *ds;
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing deform parm in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
|
|
if ( shader.numDeforms == MAX_SHADER_DEFORMS ) {
|
|
ri.Printf( PRINT_WARNING, "WARNING: MAX_SHADER_DEFORMS in '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
|
|
ds = &shader.deforms[ shader.numDeforms ];
|
|
shader.numDeforms++;
|
|
|
|
if ( !Q_stricmp( token, "projectionShadow" ) ) {
|
|
ds->deformation = DEFORM_PROJECTION_SHADOW;
|
|
return;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, "autosprite" ) ) {
|
|
ds->deformation = DEFORM_AUTOSPRITE;
|
|
return;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, "autosprite2" ) ) {
|
|
ds->deformation = DEFORM_AUTOSPRITE2;
|
|
return;
|
|
}
|
|
|
|
if ( !Q_stricmpn( token, "text", 4 ) ) {
|
|
int n;
|
|
|
|
n = token[4] - '0';
|
|
if ( n < 0 || n > 7 ) {
|
|
n = 0;
|
|
}
|
|
ds->deformation = DEFORM_TEXT0 + n;
|
|
return;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, "bulge" ) ) {
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing deformVertexes bulge parm in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
ds->bulgeWidth = atof( token );
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing deformVertexes bulge parm in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
ds->bulgeHeight = atof( token );
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing deformVertexes bulge parm in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
ds->bulgeSpeed = atof( token );
|
|
|
|
ds->deformation = DEFORM_BULGE;
|
|
return;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, "wave" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing deformVertexes parm in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
|
|
if ( atof( token ) != 0 )
|
|
{
|
|
ds->deformationSpread = 1.0f / atof( token );
|
|
}
|
|
else
|
|
{
|
|
ds->deformationSpread = 100.0f;
|
|
ri.Printf( PRINT_WARNING, "WARNING: illegal div value of 0 in deformVertexes command for shader '%s'\n", shader.name );
|
|
}
|
|
|
|
ParseWaveForm( text, &ds->deformationWave );
|
|
ds->deformation = DEFORM_WAVE;
|
|
return;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, "normal" ) )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing deformVertexes parm in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
ds->deformationWave.amplitude = atof( token );
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing deformVertexes parm in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
ds->deformationWave.frequency = atof( token );
|
|
|
|
ds->deformation = DEFORM_NORMALS;
|
|
return;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, "move" ) ) {
|
|
int i;
|
|
|
|
for ( i = 0 ; i < 3 ; i++ ) {
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 ) {
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing deformVertexes parm in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
ds->moveVector[i] = atof( token );
|
|
}
|
|
|
|
ParseWaveForm( text, &ds->deformationWave );
|
|
ds->deformation = DEFORM_MOVE;
|
|
return;
|
|
}
|
|
|
|
ri.Printf( PRINT_WARNING, "WARNING: unknown deformVertexes subtype '%s' found in shader '%s'\n", token, shader.name );
|
|
}
|
|
|
|
|
|
/*
|
|
===============
|
|
ParseSkyParms
|
|
|
|
skyParms <outerbox> <cloudheight> <innerbox>
|
|
===============
|
|
*/
|
|
static void ParseSkyParms( char **text ) {
|
|
char *token;
|
|
static char *suf[6] = {"rt", "bk", "lf", "ft", "up", "dn"};
|
|
char pathname[MAX_QPATH];
|
|
int i;
|
|
imgFlags_t imgFlags = IMGFLAG_MIPMAP | IMGFLAG_PICMIP;
|
|
|
|
// outerbox
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 ) {
|
|
ri.Printf( PRINT_WARNING, "WARNING: 'skyParms' missing parameter in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
if ( strcmp( token, "-" ) ) {
|
|
for (i=0 ; i<6 ; i++) {
|
|
Com_sprintf( pathname, sizeof(pathname), "%s_%s.tga"
|
|
, token, suf[i] );
|
|
shader.sky.outerbox[i] = R_FindImageFile( ( char * ) pathname, IMGTYPE_COLORALPHA, imgFlags | IMGFLAG_CLAMPTOEDGE );
|
|
|
|
if ( !shader.sky.outerbox[i] ) {
|
|
shader.sky.outerbox[i] = tr.defaultImage;
|
|
}
|
|
}
|
|
}
|
|
|
|
// cloudheight
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 ) {
|
|
ri.Printf( PRINT_WARNING, "WARNING: 'skyParms' missing parameter in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
shader.sky.cloudHeight = atof( token );
|
|
if ( !shader.sky.cloudHeight ) {
|
|
shader.sky.cloudHeight = 512;
|
|
}
|
|
R_InitSkyTexCoords( shader.sky.cloudHeight );
|
|
|
|
|
|
// innerbox
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 ) {
|
|
ri.Printf( PRINT_WARNING, "WARNING: 'skyParms' missing parameter in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
if ( strcmp( token, "-" ) ) {
|
|
for (i=0 ; i<6 ; i++) {
|
|
Com_sprintf( pathname, sizeof(pathname), "%s_%s.tga"
|
|
, token, suf[i] );
|
|
shader.sky.innerbox[i] = R_FindImageFile( ( char * ) pathname, IMGTYPE_COLORALPHA, imgFlags );
|
|
if ( !shader.sky.innerbox[i] ) {
|
|
shader.sky.innerbox[i] = tr.defaultImage;
|
|
}
|
|
}
|
|
}
|
|
|
|
shader.isSky = qtrue;
|
|
}
|
|
|
|
|
|
/*
|
|
=================
|
|
ParseSort
|
|
=================
|
|
*/
|
|
void ParseSort( char **text ) {
|
|
char *token;
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 ) {
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing sort parameter in shader '%s'\n", shader.name );
|
|
return;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, "portal" ) ) {
|
|
shader.sort = SS_PORTAL;
|
|
} else if ( !Q_stricmp( token, "sky" ) ) {
|
|
shader.sort = SS_ENVIRONMENT;
|
|
} else if ( !Q_stricmp( token, "opaque" ) ) {
|
|
shader.sort = SS_OPAQUE;
|
|
}else if ( !Q_stricmp( token, "decal" ) ) {
|
|
shader.sort = SS_DECAL;
|
|
} else if ( !Q_stricmp( token, "seeThrough" ) ) {
|
|
shader.sort = SS_SEE_THROUGH;
|
|
} else if ( !Q_stricmp( token, "banner" ) ) {
|
|
shader.sort = SS_BANNER;
|
|
} else if ( !Q_stricmp( token, "additive" ) ) {
|
|
shader.sort = SS_BLEND1;
|
|
} else if ( !Q_stricmp( token, "nearest" ) ) {
|
|
shader.sort = SS_NEAREST;
|
|
} else if ( !Q_stricmp( token, "underwater" ) ) {
|
|
shader.sort = SS_UNDERWATER;
|
|
} else {
|
|
shader.sort = atof( token );
|
|
}
|
|
}
|
|
|
|
|
|
|
|
// this table is also present in q3map
|
|
|
|
typedef struct {
|
|
char *name;
|
|
int clearSolid, surfaceFlags, contents;
|
|
} infoParm_t;
|
|
|
|
infoParm_t infoParms[] = {
|
|
// server relevant contents
|
|
{"water", 1, 0, CONTENTS_WATER },
|
|
{"slime", 1, 0, CONTENTS_SLIME }, // mildly damaging
|
|
{"lava", 1, 0, CONTENTS_LAVA }, // very damaging
|
|
{"playerclip", 1, 0, CONTENTS_PLAYERCLIP },
|
|
{"monsterclip", 1, 0, CONTENTS_MONSTERCLIP },
|
|
{"nodrop", 1, 0, CONTENTS_NODROP }, // don't drop items or leave bodies (death fog, lava, etc)
|
|
{"nonsolid", 1, SURF_NONSOLID, 0}, // clears the solid flag
|
|
|
|
// utility relevant attributes
|
|
{"origin", 1, 0, CONTENTS_ORIGIN }, // center of rotating brushes
|
|
{"trans", 0, 0, CONTENTS_TRANSLUCENT }, // don't eat contained surfaces
|
|
{"detail", 0, 0, CONTENTS_DETAIL }, // don't include in structural bsp
|
|
{"structural", 0, 0, CONTENTS_STRUCTURAL }, // force into structural bsp even if trnas
|
|
{"areaportal", 1, 0, CONTENTS_AREAPORTAL }, // divides areas
|
|
{"clusterportal", 1,0, CONTENTS_CLUSTERPORTAL }, // for bots
|
|
{"donotenter", 1, 0, CONTENTS_DONOTENTER }, // for bots
|
|
|
|
{"fog", 1, 0, CONTENTS_FOG}, // carves surfaces entering
|
|
{"sky", 0, SURF_SKY, 0 }, // emit light from an environment map
|
|
{"lightfilter", 0, SURF_LIGHTFILTER, 0 }, // filter light going through it
|
|
{"alphashadow", 0, SURF_ALPHASHADOW, 0 }, // test light on a per-pixel basis
|
|
{"hint", 0, SURF_HINT, 0 }, // use as a primary splitter
|
|
|
|
// server attributes
|
|
{"slick", 0, SURF_SLICK, 0 },
|
|
{"noimpact", 0, SURF_NOIMPACT, 0 }, // don't make impact explosions or marks
|
|
{"nomarks", 0, SURF_NOMARKS, 0 }, // don't make impact marks, but still explode
|
|
{"ladder", 0, SURF_LADDER, 0 },
|
|
{"nodamage", 0, SURF_NODAMAGE, 0 },
|
|
{"metalsteps", 0, SURF_METALSTEPS,0 },
|
|
{"flesh", 0, SURF_FLESH, 0 },
|
|
{"nosteps", 0, SURF_NOSTEPS, 0 },
|
|
|
|
// drawsurf attributes
|
|
{"nodraw", 0, SURF_NODRAW, 0 }, // don't generate a drawsurface (or a lightmap)
|
|
{"pointlight", 0, SURF_POINTLIGHT, 0 }, // sample lighting at vertexes
|
|
{"nolightmap", 0, SURF_NOLIGHTMAP,0 }, // don't generate a lightmap
|
|
{"nodlight", 0, SURF_NODLIGHT, 0 }, // don't ever add dynamic lights
|
|
{"dust", 0, SURF_DUST, 0} // leave a dust trail when walking on this surface
|
|
};
|
|
|
|
|
|
/*
|
|
===============
|
|
ParseSurfaceParm
|
|
|
|
surfaceparm <name>
|
|
===============
|
|
*/
|
|
static void ParseSurfaceParm( char **text ) {
|
|
char *token;
|
|
int numInfoParms = ARRAY_LEN( infoParms );
|
|
int i;
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
for ( i = 0 ; i < numInfoParms ; i++ ) {
|
|
if ( !Q_stricmp( token, infoParms[i].name ) ) {
|
|
shader.surfaceFlags |= infoParms[i].surfaceFlags;
|
|
shader.contentFlags |= infoParms[i].contents;
|
|
#if 0
|
|
if ( infoParms[i].clearSolid ) {
|
|
si->contents &= ~CONTENTS_SOLID;
|
|
}
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
ParseShader
|
|
|
|
The current text pointer is at the explicit text definition of the
|
|
shader. Parse it into the global shader variable. Later functions
|
|
will optimize it.
|
|
=================
|
|
*/
|
|
static qboolean ParseShader( char **text )
|
|
{
|
|
char *token;
|
|
int s;
|
|
|
|
s = 0;
|
|
|
|
token = COM_ParseExt( text, qtrue );
|
|
if ( token[0] != '{' )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: expecting '{', found '%s' instead in shader '%s'\n", token, shader.name );
|
|
return qfalse;
|
|
}
|
|
|
|
while ( 1 )
|
|
{
|
|
token = COM_ParseExt( text, qtrue );
|
|
if ( !token[0] )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: no concluding '}' in shader %s\n", shader.name );
|
|
return qfalse;
|
|
}
|
|
|
|
// end of shader definition
|
|
if ( token[0] == '}' )
|
|
{
|
|
break;
|
|
}
|
|
// stage definition
|
|
else if ( token[0] == '{' )
|
|
{
|
|
if ( s >= MAX_SHADER_STAGES ) {
|
|
ri.Printf( PRINT_WARNING, "WARNING: too many stages in shader %s (max is %i)\n", shader.name, MAX_SHADER_STAGES );
|
|
return qfalse;
|
|
}
|
|
|
|
if ( !ParseStage( &stages[s], text ) )
|
|
{
|
|
return qfalse;
|
|
}
|
|
stages[s].active = qtrue;
|
|
s++;
|
|
|
|
continue;
|
|
}
|
|
// skip stuff that only the QuakeEdRadient needs
|
|
else if ( !Q_stricmpn( token, "qer", 3 ) ) {
|
|
SkipRestOfLine( text );
|
|
continue;
|
|
}
|
|
// sun parms
|
|
else if ( !Q_stricmp( token, "q3map_sun" ) || !Q_stricmp( token, "q3map_sunExt" ) ) {
|
|
float a, b;
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
tr.sunLight[0] = atof( token );
|
|
token = COM_ParseExt( text, qfalse );
|
|
tr.sunLight[1] = atof( token );
|
|
token = COM_ParseExt( text, qfalse );
|
|
tr.sunLight[2] = atof( token );
|
|
|
|
VectorNormalize( tr.sunLight );
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
a = atof( token );
|
|
VectorScale( tr.sunLight, a, tr.sunLight);
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
a = atof( token );
|
|
a = a / 180 * M_PI;
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
b = atof( token );
|
|
b = b / 180 * M_PI;
|
|
|
|
tr.sunDirection[0] = cos( a ) * cos( b );
|
|
tr.sunDirection[1] = sin( a ) * cos( b );
|
|
tr.sunDirection[2] = sin( b );
|
|
|
|
SkipRestOfLine( text );
|
|
continue;
|
|
}
|
|
else if ( !Q_stricmp( token, "deformVertexes" ) ) {
|
|
ParseDeform( text );
|
|
continue;
|
|
}
|
|
else if ( !Q_stricmp( token, "tesssize" ) ) {
|
|
SkipRestOfLine( text );
|
|
continue;
|
|
}
|
|
else if ( !Q_stricmp( token, "clampTime" ) ) {
|
|
token = COM_ParseExt( text, qfalse );
|
|
if (token[0]) {
|
|
shader.clampTime = atof(token);
|
|
}
|
|
}
|
|
// skip stuff that only the q3map needs
|
|
else if ( !Q_stricmpn( token, "q3map", 5 ) ) {
|
|
SkipRestOfLine( text );
|
|
continue;
|
|
}
|
|
// skip stuff that only q3map or the server needs
|
|
else if ( !Q_stricmp( token, "surfaceParm" ) ) {
|
|
ParseSurfaceParm( text );
|
|
continue;
|
|
}
|
|
// no mip maps
|
|
else if ( !Q_stricmp( token, "nomipmaps" ) )
|
|
{
|
|
shader.noMipMaps = qtrue;
|
|
shader.noPicMip = qtrue;
|
|
continue;
|
|
}
|
|
// no picmip adjustment
|
|
else if ( !Q_stricmp( token, "nopicmip" ) )
|
|
{
|
|
shader.noPicMip = qtrue;
|
|
continue;
|
|
}
|
|
// polygonOffset
|
|
else if ( !Q_stricmp( token, "polygonOffset" ) )
|
|
{
|
|
shader.polygonOffset = qtrue;
|
|
continue;
|
|
}
|
|
// entityMergable, allowing sprite surfaces from multiple entities
|
|
// to be merged into one batch. This is a savings for smoke
|
|
// puffs and blood, but can't be used for anything where the
|
|
// shader calcs (not the surface function) reference the entity color or scroll
|
|
else if ( !Q_stricmp( token, "entityMergable" ) )
|
|
{
|
|
shader.entityMergable = qtrue;
|
|
continue;
|
|
}
|
|
// fogParms
|
|
else if ( !Q_stricmp( token, "fogParms" ) )
|
|
{
|
|
if ( !ParseVector( text, 3, shader.fogParms.color ) ) {
|
|
return qfalse;
|
|
}
|
|
|
|
if ( r_greyscale->integer )
|
|
{
|
|
float luminance;
|
|
|
|
luminance = LUMA( shader.fogParms.color[0], shader.fogParms.color[1], shader.fogParms.color[2] );
|
|
VectorSet( shader.fogParms.color, luminance, luminance, luminance );
|
|
}
|
|
else if ( r_greyscale->value )
|
|
{
|
|
float luminance;
|
|
|
|
luminance = LUMA( shader.fogParms.color[0], shader.fogParms.color[1], shader.fogParms.color[2] );
|
|
shader.fogParms.color[0] = LERP( shader.fogParms.color[0], luminance, r_greyscale->value );
|
|
shader.fogParms.color[1] = LERP( shader.fogParms.color[1], luminance, r_greyscale->value );
|
|
shader.fogParms.color[2] = LERP( shader.fogParms.color[2], luminance, r_greyscale->value );
|
|
}
|
|
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( !token[0] )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing parm for 'fogParms' keyword in shader '%s'\n", shader.name );
|
|
continue;
|
|
}
|
|
shader.fogParms.depthForOpaque = atof( token );
|
|
|
|
// skip any old gradient directions
|
|
SkipRestOfLine( text );
|
|
continue;
|
|
}
|
|
// portal
|
|
else if ( !Q_stricmp(token, "portal") )
|
|
{
|
|
shader.sort = SS_PORTAL;
|
|
continue;
|
|
}
|
|
// skyparms <cloudheight> <outerbox> <innerbox>
|
|
else if ( !Q_stricmp( token, "skyparms" ) )
|
|
{
|
|
ParseSkyParms( text );
|
|
continue;
|
|
}
|
|
// light <value> determines flaring in q3map, not needed here
|
|
else if ( !Q_stricmp(token, "light") )
|
|
{
|
|
(void)COM_ParseExt( text, qfalse );
|
|
continue;
|
|
}
|
|
// cull <face>
|
|
else if ( !Q_stricmp( token, "cull") )
|
|
{
|
|
token = COM_ParseExt( text, qfalse );
|
|
if ( token[0] == 0 )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: missing cull parms in shader '%s'\n", shader.name );
|
|
continue;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, "none" ) || !Q_stricmp( token, "twosided" ) || !Q_stricmp( token, "disable" ) )
|
|
{
|
|
shader.cullType = CT_TWO_SIDED;
|
|
}
|
|
else if ( !Q_stricmp( token, "back" ) || !Q_stricmp( token, "backside" ) || !Q_stricmp( token, "backsided" ) )
|
|
{
|
|
shader.cullType = CT_BACK_SIDED;
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: invalid cull parm '%s' in shader '%s'\n", token, shader.name );
|
|
}
|
|
continue;
|
|
}
|
|
// sort
|
|
else if ( !Q_stricmp( token, "sort" ) )
|
|
{
|
|
ParseSort( text );
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: unknown general shader parameter '%s' in '%s'\n", token, shader.name );
|
|
return qfalse;
|
|
}
|
|
}
|
|
|
|
//
|
|
// ignore shaders that don't have any stages, unless it is a sky or fog
|
|
//
|
|
if ( s == 0 && !shader.isSky && !(shader.contentFlags & CONTENTS_FOG ) ) {
|
|
return qfalse;
|
|
}
|
|
|
|
shader.explicitlyDefined = qtrue;
|
|
|
|
return qtrue;
|
|
}
|
|
|
|
/*
|
|
========================================================================================
|
|
|
|
SHADER OPTIMIZATION AND FOGGING
|
|
|
|
========================================================================================
|
|
*/
|
|
|
|
/*
|
|
===================
|
|
ComputeStageIteratorFunc
|
|
|
|
See if we can use on of the simple fastpath stage functions,
|
|
otherwise set to the generic stage function
|
|
===================
|
|
*/
|
|
static void ComputeStageIteratorFunc( void )
|
|
{
|
|
shader.optimalStageIteratorFunc = RB_StageIteratorGeneric;
|
|
|
|
//
|
|
// see if this should go into the sky path
|
|
//
|
|
if ( shader.isSky )
|
|
{
|
|
shader.optimalStageIteratorFunc = RB_StageIteratorSky;
|
|
return;
|
|
}
|
|
|
|
if ( r_ignoreFastPath->integer )
|
|
{
|
|
return;
|
|
}
|
|
|
|
//
|
|
// see if this can go into the vertex lit fast path
|
|
//
|
|
if ( shader.numUnfoggedPasses == 1 )
|
|
{
|
|
if ( stages[0].rgbGen == CGEN_LIGHTING_DIFFUSE )
|
|
{
|
|
if ( stages[0].alphaGen == AGEN_IDENTITY )
|
|
{
|
|
if ( stages[0].bundle[0].tcGen == TCGEN_TEXTURE )
|
|
{
|
|
if ( !shader.polygonOffset )
|
|
{
|
|
if ( !shader.multitextureEnv )
|
|
{
|
|
if ( !shader.numDeforms )
|
|
{
|
|
shader.optimalStageIteratorFunc = RB_StageIteratorVertexLitTexture;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// see if this can go into an optimized LM, multitextured path
|
|
//
|
|
if ( shader.numUnfoggedPasses == 1 )
|
|
{
|
|
if ( ( stages[0].rgbGen == CGEN_IDENTITY ) && ( stages[0].alphaGen == AGEN_IDENTITY ) )
|
|
{
|
|
if ( stages[0].bundle[0].tcGen == TCGEN_TEXTURE &&
|
|
stages[0].bundle[1].tcGen == TCGEN_LIGHTMAP )
|
|
{
|
|
if ( !shader.polygonOffset )
|
|
{
|
|
if ( !shader.numDeforms )
|
|
{
|
|
if ( shader.multitextureEnv )
|
|
{
|
|
shader.optimalStageIteratorFunc = RB_StageIteratorLightmappedMultitexture;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
typedef struct {
|
|
int blendA;
|
|
int blendB;
|
|
|
|
int multitextureEnv;
|
|
int multitextureBlend;
|
|
} collapse_t;
|
|
|
|
static collapse_t collapse[] = {
|
|
{ 0, GLS_DSTBLEND_SRC_COLOR | GLS_SRCBLEND_ZERO,
|
|
GL_MODULATE, 0 },
|
|
|
|
{ 0, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR,
|
|
GL_MODULATE, 0 },
|
|
|
|
{ GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR,
|
|
GL_MODULATE, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR },
|
|
|
|
{ GLS_DSTBLEND_SRC_COLOR | GLS_SRCBLEND_ZERO, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR,
|
|
GL_MODULATE, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR },
|
|
|
|
{ GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR, GLS_DSTBLEND_SRC_COLOR | GLS_SRCBLEND_ZERO,
|
|
GL_MODULATE, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR },
|
|
|
|
{ GLS_DSTBLEND_SRC_COLOR | GLS_SRCBLEND_ZERO, GLS_DSTBLEND_SRC_COLOR | GLS_SRCBLEND_ZERO,
|
|
GL_MODULATE, GLS_DSTBLEND_ZERO | GLS_SRCBLEND_DST_COLOR },
|
|
|
|
{ 0, GLS_DSTBLEND_ONE | GLS_SRCBLEND_ONE,
|
|
GL_ADD, 0 },
|
|
|
|
{ GLS_DSTBLEND_ONE | GLS_SRCBLEND_ONE, GLS_DSTBLEND_ONE | GLS_SRCBLEND_ONE,
|
|
GL_ADD, GLS_DSTBLEND_ONE | GLS_SRCBLEND_ONE },
|
|
#if 0
|
|
{ 0, GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA | GLS_SRCBLEND_SRC_ALPHA,
|
|
GL_DECAL, 0 },
|
|
#endif
|
|
{ -1 }
|
|
};
|
|
|
|
/*
|
|
================
|
|
CollapseMultitexture
|
|
|
|
Attempt to combine two stages into a single multitexture stage
|
|
FIXME: I think modulated add + modulated add collapses incorrectly
|
|
=================
|
|
*/
|
|
static qboolean CollapseMultitexture( void ) {
|
|
int abits, bbits;
|
|
int i;
|
|
textureBundle_t tmpBundle;
|
|
|
|
if ( !qglActiveTextureARB ) {
|
|
return qfalse;
|
|
}
|
|
|
|
// make sure both stages are active
|
|
if ( !stages[0].active || !stages[1].active ) {
|
|
return qfalse;
|
|
}
|
|
|
|
// on voodoo2, don't combine different tmus
|
|
if ( glConfig.driverType == GLDRV_VOODOO ) {
|
|
if ( stages[0].bundle[0].image[0]->TMU ==
|
|
stages[1].bundle[0].image[0]->TMU ) {
|
|
return qfalse;
|
|
}
|
|
}
|
|
|
|
abits = stages[0].stateBits;
|
|
bbits = stages[1].stateBits;
|
|
|
|
// make sure that both stages have identical state other than blend modes
|
|
if ( ( abits & ~( GLS_DSTBLEND_BITS | GLS_SRCBLEND_BITS | GLS_DEPTHMASK_TRUE ) ) !=
|
|
( bbits & ~( GLS_DSTBLEND_BITS | GLS_SRCBLEND_BITS | GLS_DEPTHMASK_TRUE ) ) ) {
|
|
return qfalse;
|
|
}
|
|
|
|
abits &= ( GLS_DSTBLEND_BITS | GLS_SRCBLEND_BITS );
|
|
bbits &= ( GLS_DSTBLEND_BITS | GLS_SRCBLEND_BITS );
|
|
|
|
// search for a valid multitexture blend function
|
|
for ( i = 0; collapse[i].blendA != -1 ; i++ ) {
|
|
if ( abits == collapse[i].blendA
|
|
&& bbits == collapse[i].blendB ) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
// nothing found
|
|
if ( collapse[i].blendA == -1 ) {
|
|
return qfalse;
|
|
}
|
|
|
|
// GL_ADD is a separate extension
|
|
if ( collapse[i].multitextureEnv == GL_ADD && !glConfig.textureEnvAddAvailable ) {
|
|
return qfalse;
|
|
}
|
|
|
|
// make sure waveforms have identical parameters
|
|
if ( ( stages[0].rgbGen != stages[1].rgbGen ) ||
|
|
( stages[0].alphaGen != stages[1].alphaGen ) ) {
|
|
return qfalse;
|
|
}
|
|
|
|
// an add collapse can only have identity colors
|
|
if ( collapse[i].multitextureEnv == GL_ADD && stages[0].rgbGen != CGEN_IDENTITY ) {
|
|
return qfalse;
|
|
}
|
|
|
|
if ( stages[0].rgbGen == CGEN_WAVEFORM )
|
|
{
|
|
if ( memcmp( &stages[0].rgbWave,
|
|
&stages[1].rgbWave,
|
|
sizeof( stages[0].rgbWave ) ) )
|
|
{
|
|
return qfalse;
|
|
}
|
|
}
|
|
if ( stages[0].alphaGen == AGEN_WAVEFORM )
|
|
{
|
|
if ( memcmp( &stages[0].alphaWave,
|
|
&stages[1].alphaWave,
|
|
sizeof( stages[0].alphaWave ) ) )
|
|
{
|
|
return qfalse;
|
|
}
|
|
}
|
|
|
|
|
|
// make sure that lightmaps are in bundle 1 for 3dfx
|
|
if ( stages[0].bundle[0].isLightmap )
|
|
{
|
|
tmpBundle = stages[0].bundle[0];
|
|
stages[0].bundle[0] = stages[1].bundle[0];
|
|
stages[0].bundle[1] = tmpBundle;
|
|
}
|
|
else
|
|
{
|
|
stages[0].bundle[1] = stages[1].bundle[0];
|
|
}
|
|
|
|
// set the new blend state bits
|
|
shader.multitextureEnv = collapse[i].multitextureEnv;
|
|
stages[0].stateBits &= ~( GLS_DSTBLEND_BITS | GLS_SRCBLEND_BITS );
|
|
stages[0].stateBits |= collapse[i].multitextureBlend;
|
|
|
|
//
|
|
// move down subsequent shaders
|
|
//
|
|
memmove( &stages[1], &stages[2], sizeof( stages[0] ) * ( MAX_SHADER_STAGES - 2 ) );
|
|
Com_Memset( &stages[MAX_SHADER_STAGES-1], 0, sizeof( stages[0] ) );
|
|
|
|
return qtrue;
|
|
}
|
|
|
|
/*
|
|
=============
|
|
|
|
FixRenderCommandList
|
|
https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=493
|
|
Arnout: this is a nasty issue. Shaders can be registered after drawsurfaces are generated
|
|
but before the frame is rendered. This will, for the duration of one frame, cause drawsurfaces
|
|
to be rendered with bad shaders. To fix this, need to go through all render commands and fix
|
|
sortedIndex.
|
|
==============
|
|
*/
|
|
static void FixRenderCommandList( int newShader ) {
|
|
renderCommandList_t *cmdList = &backEndData->commands;
|
|
|
|
if( cmdList ) {
|
|
const void *curCmd = cmdList->cmds;
|
|
|
|
while ( 1 ) {
|
|
curCmd = PADP(curCmd, sizeof(void *));
|
|
|
|
switch ( *(const int *)curCmd ) {
|
|
case RC_SET_COLOR:
|
|
{
|
|
const setColorCommand_t *sc_cmd = (const setColorCommand_t *)curCmd;
|
|
curCmd = (const void *)(sc_cmd + 1);
|
|
break;
|
|
}
|
|
case RC_STRETCH_PIC:
|
|
{
|
|
const stretchPicCommand_t *sp_cmd = (const stretchPicCommand_t *)curCmd;
|
|
curCmd = (const void *)(sp_cmd + 1);
|
|
break;
|
|
}
|
|
case RC_DRAW_SURFS:
|
|
{
|
|
int i;
|
|
drawSurf_t *drawSurf;
|
|
shader_t *shader;
|
|
int fogNum;
|
|
int entityNum;
|
|
int dlightMap;
|
|
int sortedIndex;
|
|
const drawSurfsCommand_t *ds_cmd = (const drawSurfsCommand_t *)curCmd;
|
|
|
|
for( i = 0, drawSurf = ds_cmd->drawSurfs; i < ds_cmd->numDrawSurfs; i++, drawSurf++ ) {
|
|
R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum, &dlightMap );
|
|
sortedIndex = (( drawSurf->sort >> QSORT_SHADERNUM_SHIFT ) & (MAX_SHADERS-1));
|
|
if( sortedIndex >= newShader ) {
|
|
sortedIndex++;
|
|
drawSurf->sort = (sortedIndex << QSORT_SHADERNUM_SHIFT) | entityNum | ( fogNum << QSORT_FOGNUM_SHIFT ) | (int)dlightMap;
|
|
}
|
|
}
|
|
curCmd = (const void *)(ds_cmd + 1);
|
|
break;
|
|
}
|
|
case RC_DRAW_BUFFER:
|
|
{
|
|
const drawBufferCommand_t *db_cmd = (const drawBufferCommand_t *)curCmd;
|
|
curCmd = (const void *)(db_cmd + 1);
|
|
break;
|
|
}
|
|
case RC_SWAP_BUFFERS:
|
|
{
|
|
const swapBuffersCommand_t *sb_cmd = (const swapBuffersCommand_t *)curCmd;
|
|
curCmd = (const void *)(sb_cmd + 1);
|
|
break;
|
|
}
|
|
case RC_END_OF_LIST:
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
==============
|
|
SortNewShader
|
|
|
|
Positions the most recently created shader in the tr.sortedShaders[]
|
|
array so that the shader->sort key is sorted relative to the other
|
|
shaders.
|
|
|
|
Sets shader->sortedIndex
|
|
==============
|
|
*/
|
|
static void SortNewShader( void ) {
|
|
int i;
|
|
float sort;
|
|
shader_t *newShader;
|
|
|
|
newShader = tr.shaders[ tr.numShaders - 1 ];
|
|
sort = newShader->sort;
|
|
|
|
for ( i = tr.numShaders - 2 ; i >= 0 ; i-- ) {
|
|
if ( tr.sortedShaders[ i ]->sort <= sort ) {
|
|
break;
|
|
}
|
|
tr.sortedShaders[i+1] = tr.sortedShaders[i];
|
|
tr.sortedShaders[i+1]->sortedIndex++;
|
|
}
|
|
|
|
// Arnout: fix rendercommandlist
|
|
// https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=493
|
|
FixRenderCommandList( i+1 );
|
|
|
|
newShader->sortedIndex = i+1;
|
|
tr.sortedShaders[i+1] = newShader;
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
GeneratePermanentShader
|
|
====================
|
|
*/
|
|
static shader_t *GeneratePermanentShader( void ) {
|
|
shader_t *newShader;
|
|
int i, b;
|
|
int size, hash;
|
|
|
|
if ( tr.numShaders == MAX_SHADERS ) {
|
|
ri.Printf( PRINT_WARNING, "WARNING: GeneratePermanentShader - MAX_SHADERS hit\n");
|
|
return tr.defaultShader;
|
|
}
|
|
|
|
newShader = ri.Hunk_Alloc( sizeof( shader_t ), h_low );
|
|
|
|
*newShader = shader;
|
|
|
|
if ( shader.sort <= SS_OPAQUE ) {
|
|
newShader->fogPass = FP_EQUAL;
|
|
} else if ( shader.contentFlags & CONTENTS_FOG ) {
|
|
newShader->fogPass = FP_LE;
|
|
}
|
|
|
|
tr.shaders[ tr.numShaders ] = newShader;
|
|
newShader->index = tr.numShaders;
|
|
|
|
tr.sortedShaders[ tr.numShaders ] = newShader;
|
|
newShader->sortedIndex = tr.numShaders;
|
|
|
|
tr.numShaders++;
|
|
|
|
for ( i = 0 ; i < newShader->numUnfoggedPasses ; i++ ) {
|
|
if ( !stages[i].active ) {
|
|
break;
|
|
}
|
|
newShader->stages[i] = ri.Hunk_Alloc( sizeof( stages[i] ), h_low );
|
|
*newShader->stages[i] = stages[i];
|
|
|
|
for ( b = 0 ; b < NUM_TEXTURE_BUNDLES ; b++ ) {
|
|
size = newShader->stages[i]->bundle[b].numTexMods * sizeof( texModInfo_t );
|
|
newShader->stages[i]->bundle[b].texMods = ri.Hunk_Alloc( size, h_low );
|
|
Com_Memcpy( newShader->stages[i]->bundle[b].texMods, stages[i].bundle[b].texMods, size );
|
|
}
|
|
}
|
|
|
|
SortNewShader();
|
|
|
|
hash = generateHashValue(newShader->name, FILE_HASH_SIZE);
|
|
newShader->next = hashTable[hash];
|
|
hashTable[hash] = newShader;
|
|
|
|
return newShader;
|
|
}
|
|
|
|
/*
|
|
=================
|
|
VertexLightingCollapse
|
|
|
|
If vertex lighting is enabled, only render a single
|
|
pass, trying to guess which is the correct one to best aproximate
|
|
what it is supposed to look like.
|
|
=================
|
|
*/
|
|
static void VertexLightingCollapse( void ) {
|
|
int stage;
|
|
shaderStage_t *bestStage;
|
|
int bestImageRank;
|
|
int rank;
|
|
|
|
// if we aren't opaque, just use the first pass
|
|
if ( shader.sort == SS_OPAQUE ) {
|
|
|
|
// pick the best texture for the single pass
|
|
bestStage = &stages[0];
|
|
bestImageRank = -999999;
|
|
|
|
for ( stage = 0; stage < MAX_SHADER_STAGES; stage++ ) {
|
|
shaderStage_t *pStage = &stages[stage];
|
|
|
|
if ( !pStage->active ) {
|
|
break;
|
|
}
|
|
rank = 0;
|
|
|
|
if ( pStage->bundle[0].isLightmap ) {
|
|
rank -= 100;
|
|
}
|
|
if ( pStage->bundle[0].tcGen != TCGEN_TEXTURE ) {
|
|
rank -= 5;
|
|
}
|
|
if ( pStage->bundle[0].numTexMods ) {
|
|
rank -= 5;
|
|
}
|
|
if ( pStage->rgbGen != CGEN_IDENTITY && pStage->rgbGen != CGEN_IDENTITY_LIGHTING ) {
|
|
rank -= 3;
|
|
}
|
|
|
|
if ( rank > bestImageRank ) {
|
|
bestImageRank = rank;
|
|
bestStage = pStage;
|
|
}
|
|
}
|
|
|
|
stages[0].bundle[0] = bestStage->bundle[0];
|
|
stages[0].stateBits &= ~( GLS_DSTBLEND_BITS | GLS_SRCBLEND_BITS );
|
|
stages[0].stateBits |= GLS_DEPTHMASK_TRUE;
|
|
if ( shader.lightmapIndex == LIGHTMAP_NONE ) {
|
|
stages[0].rgbGen = CGEN_LIGHTING_DIFFUSE;
|
|
} else {
|
|
stages[0].rgbGen = CGEN_EXACT_VERTEX;
|
|
}
|
|
stages[0].alphaGen = AGEN_SKIP;
|
|
} else {
|
|
// don't use a lightmap (tesla coils)
|
|
if ( stages[0].bundle[0].isLightmap ) {
|
|
stages[0] = stages[1];
|
|
}
|
|
|
|
// if we were in a cross-fade cgen, hack it to normal
|
|
if ( stages[0].rgbGen == CGEN_ONE_MINUS_ENTITY || stages[1].rgbGen == CGEN_ONE_MINUS_ENTITY ) {
|
|
stages[0].rgbGen = CGEN_IDENTITY_LIGHTING;
|
|
}
|
|
if ( ( stages[0].rgbGen == CGEN_WAVEFORM && stages[0].rgbWave.func == GF_SAWTOOTH )
|
|
&& ( stages[1].rgbGen == CGEN_WAVEFORM && stages[1].rgbWave.func == GF_INVERSE_SAWTOOTH ) ) {
|
|
stages[0].rgbGen = CGEN_IDENTITY_LIGHTING;
|
|
}
|
|
if ( ( stages[0].rgbGen == CGEN_WAVEFORM && stages[0].rgbWave.func == GF_INVERSE_SAWTOOTH )
|
|
&& ( stages[1].rgbGen == CGEN_WAVEFORM && stages[1].rgbWave.func == GF_SAWTOOTH ) ) {
|
|
stages[0].rgbGen = CGEN_IDENTITY_LIGHTING;
|
|
}
|
|
}
|
|
|
|
for ( stage = 1; stage < MAX_SHADER_STAGES; stage++ ) {
|
|
shaderStage_t *pStage = &stages[stage];
|
|
|
|
if ( !pStage->active ) {
|
|
break;
|
|
}
|
|
|
|
Com_Memset( pStage, 0, sizeof( *pStage ) );
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
InitShader
|
|
===============
|
|
*/
|
|
static void InitShader( const char *name, int lightmapIndex ) {
|
|
int i;
|
|
|
|
// clear the global shader
|
|
Com_Memset( &shader, 0, sizeof( shader ) );
|
|
Com_Memset( &stages, 0, sizeof( stages ) );
|
|
|
|
Q_strncpyz( shader.name, name, sizeof( shader.name ) );
|
|
shader.lightmapIndex = lightmapIndex;
|
|
|
|
for ( i = 0 ; i < MAX_SHADER_STAGES ; i++ ) {
|
|
stages[i].bundle[0].texMods = texMods[i];
|
|
}
|
|
}
|
|
|
|
/*
|
|
=========================
|
|
FinishShader
|
|
|
|
Returns a freshly allocated shader with all the needed info
|
|
from the current global working shader
|
|
=========================
|
|
*/
|
|
static shader_t *FinishShader( void ) {
|
|
int stage;
|
|
qboolean hasLightmapStage;
|
|
qboolean vertexLightmap;
|
|
|
|
hasLightmapStage = qfalse;
|
|
vertexLightmap = qfalse;
|
|
|
|
//
|
|
// set sky stuff appropriate
|
|
//
|
|
if ( shader.isSky ) {
|
|
shader.sort = SS_ENVIRONMENT;
|
|
}
|
|
|
|
//
|
|
// set polygon offset
|
|
//
|
|
if ( shader.polygonOffset && !shader.sort ) {
|
|
shader.sort = SS_DECAL;
|
|
}
|
|
|
|
//
|
|
// set appropriate stage information
|
|
//
|
|
for ( stage = 0; stage < MAX_SHADER_STAGES; ) {
|
|
shaderStage_t *pStage = &stages[stage];
|
|
|
|
if ( !pStage->active ) {
|
|
break;
|
|
}
|
|
|
|
// check for a missing texture
|
|
if ( !pStage->bundle[0].image[0] ) {
|
|
ri.Printf( PRINT_WARNING, "Shader %s has a stage with no image\n", shader.name );
|
|
pStage->active = qfalse;
|
|
stage++;
|
|
continue;
|
|
}
|
|
|
|
//
|
|
// ditch this stage if it's detail and detail textures are disabled
|
|
//
|
|
if ( pStage->isDetail && !r_detailTextures->integer )
|
|
{
|
|
int index;
|
|
|
|
for(index = stage + 1; index < MAX_SHADER_STAGES; index++)
|
|
{
|
|
if(!stages[index].active)
|
|
break;
|
|
}
|
|
|
|
if(index < MAX_SHADER_STAGES)
|
|
memmove(pStage, pStage + 1, sizeof(*pStage) * (index - stage));
|
|
else
|
|
{
|
|
if(stage + 1 < MAX_SHADER_STAGES)
|
|
memmove(pStage, pStage + 1, sizeof(*pStage) * (index - stage - 1));
|
|
|
|
Com_Memset(&stages[index - 1], 0, sizeof(*stages));
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
//
|
|
// default texture coordinate generation
|
|
//
|
|
if ( pStage->bundle[0].isLightmap ) {
|
|
if ( pStage->bundle[0].tcGen == TCGEN_BAD ) {
|
|
pStage->bundle[0].tcGen = TCGEN_LIGHTMAP;
|
|
}
|
|
hasLightmapStage = qtrue;
|
|
} else {
|
|
if ( pStage->bundle[0].tcGen == TCGEN_BAD ) {
|
|
pStage->bundle[0].tcGen = TCGEN_TEXTURE;
|
|
}
|
|
}
|
|
|
|
|
|
// not a true lightmap but we want to leave existing
|
|
// behaviour in place and not print out a warning
|
|
//if (pStage->rgbGen == CGEN_VERTEX) {
|
|
// vertexLightmap = qtrue;
|
|
//}
|
|
|
|
|
|
|
|
//
|
|
// determine sort order and fog color adjustment
|
|
//
|
|
if ( ( pStage->stateBits & ( GLS_SRCBLEND_BITS | GLS_DSTBLEND_BITS ) ) &&
|
|
( stages[0].stateBits & ( GLS_SRCBLEND_BITS | GLS_DSTBLEND_BITS ) ) ) {
|
|
int blendSrcBits = pStage->stateBits & GLS_SRCBLEND_BITS;
|
|
int blendDstBits = pStage->stateBits & GLS_DSTBLEND_BITS;
|
|
|
|
// fog color adjustment only works for blend modes that have a contribution
|
|
// that aproaches 0 as the modulate values aproach 0 --
|
|
// GL_ONE, GL_ONE
|
|
// GL_ZERO, GL_ONE_MINUS_SRC_COLOR
|
|
// GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA
|
|
|
|
// modulate, additive
|
|
if ( ( ( blendSrcBits == GLS_SRCBLEND_ONE ) && ( blendDstBits == GLS_DSTBLEND_ONE ) ) ||
|
|
( ( blendSrcBits == GLS_SRCBLEND_ZERO ) && ( blendDstBits == GLS_DSTBLEND_ONE_MINUS_SRC_COLOR ) ) ) {
|
|
pStage->adjustColorsForFog = ACFF_MODULATE_RGB;
|
|
}
|
|
// strict blend
|
|
else if ( ( blendSrcBits == GLS_SRCBLEND_SRC_ALPHA ) && ( blendDstBits == GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA ) )
|
|
{
|
|
pStage->adjustColorsForFog = ACFF_MODULATE_ALPHA;
|
|
}
|
|
// premultiplied alpha
|
|
else if ( ( blendSrcBits == GLS_SRCBLEND_ONE ) && ( blendDstBits == GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA ) )
|
|
{
|
|
pStage->adjustColorsForFog = ACFF_MODULATE_RGBA;
|
|
} else {
|
|
// we can't adjust this one correctly, so it won't be exactly correct in fog
|
|
}
|
|
|
|
// don't screw with sort order if this is a portal or environment
|
|
if ( !shader.sort ) {
|
|
// see through item, like a grill or grate
|
|
if ( pStage->stateBits & GLS_DEPTHMASK_TRUE ) {
|
|
shader.sort = SS_SEE_THROUGH;
|
|
} else {
|
|
shader.sort = SS_BLEND0;
|
|
}
|
|
}
|
|
}
|
|
|
|
stage++;
|
|
}
|
|
|
|
// there are times when you will need to manually apply a sort to
|
|
// opaque alpha tested shaders that have later blend passes
|
|
if ( !shader.sort ) {
|
|
shader.sort = SS_OPAQUE;
|
|
}
|
|
|
|
//
|
|
// if we are in r_vertexLight mode, never use a lightmap texture
|
|
//
|
|
if ( stage > 1 && ( (r_vertexLight->integer && !r_uiFullScreen->integer) || glConfig.hardwareType == GLHW_PERMEDIA2 ) ) {
|
|
VertexLightingCollapse();
|
|
stage = 1;
|
|
hasLightmapStage = qfalse;
|
|
}
|
|
|
|
//
|
|
// look for multitexture potential
|
|
//
|
|
if ( stage > 1 && CollapseMultitexture() ) {
|
|
stage--;
|
|
}
|
|
|
|
if ( shader.lightmapIndex >= 0 && !hasLightmapStage ) {
|
|
if (vertexLightmap) {
|
|
ri.Printf( PRINT_DEVELOPER, "WARNING: shader '%s' has VERTEX forced lightmap!\n", shader.name );
|
|
} else {
|
|
ri.Printf( PRINT_DEVELOPER, "WARNING: shader '%s' has lightmap but no lightmap stage!\n", shader.name );
|
|
shader.lightmapIndex = LIGHTMAP_NONE;
|
|
}
|
|
}
|
|
|
|
|
|
//
|
|
// compute number of passes
|
|
//
|
|
shader.numUnfoggedPasses = stage;
|
|
|
|
// fogonly shaders don't have any normal passes
|
|
if (stage == 0 && !shader.isSky)
|
|
shader.sort = SS_FOG;
|
|
|
|
// determine which stage iterator function is appropriate
|
|
ComputeStageIteratorFunc();
|
|
|
|
return GeneratePermanentShader();
|
|
}
|
|
|
|
//========================================================================================
|
|
|
|
/*
|
|
====================
|
|
FindShaderInShaderText
|
|
|
|
Scans the combined text description of all the shader files for
|
|
the given shader name.
|
|
|
|
return NULL if not found
|
|
|
|
If found, it will return a valid shader
|
|
=====================
|
|
*/
|
|
static char *FindShaderInShaderText( const char *shadername ) {
|
|
|
|
char *token, *p;
|
|
|
|
int i, hash;
|
|
|
|
hash = generateHashValue(shadername, MAX_SHADERTEXT_HASH);
|
|
|
|
if(shaderTextHashTable[hash])
|
|
{
|
|
for (i = 0; shaderTextHashTable[hash][i]; i++)
|
|
{
|
|
p = shaderTextHashTable[hash][i];
|
|
token = COM_ParseExt(&p, qtrue);
|
|
|
|
if(!Q_stricmp(token, shadername))
|
|
return p;
|
|
}
|
|
}
|
|
|
|
p = s_shaderText;
|
|
|
|
if ( !p ) {
|
|
return NULL;
|
|
}
|
|
|
|
// look for label
|
|
while ( 1 ) {
|
|
token = COM_ParseExt( &p, qtrue );
|
|
if ( token[0] == 0 ) {
|
|
break;
|
|
}
|
|
|
|
if ( !Q_stricmp( token, shadername ) ) {
|
|
return p;
|
|
}
|
|
else {
|
|
// skip the definition
|
|
SkipBracedSection( &p, 0 );
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
==================
|
|
R_FindShaderByName
|
|
|
|
Will always return a valid shader, but it might be the
|
|
default shader if the real one can't be found.
|
|
==================
|
|
*/
|
|
shader_t *R_FindShaderByName( const char *name ) {
|
|
char strippedName[MAX_QPATH];
|
|
int hash;
|
|
shader_t *sh;
|
|
|
|
if ( (name==NULL) || (name[0] == 0) ) {
|
|
return tr.defaultShader;
|
|
}
|
|
|
|
COM_StripExtension(name, strippedName, sizeof(strippedName));
|
|
|
|
hash = generateHashValue(strippedName, FILE_HASH_SIZE);
|
|
|
|
//
|
|
// see if the shader is already loaded
|
|
//
|
|
for (sh=hashTable[hash]; sh; sh=sh->next) {
|
|
// NOTE: if there was no shader or image available with the name strippedName
|
|
// then a default shader is created with lightmapIndex == LIGHTMAP_NONE, so we
|
|
// have to check all default shaders otherwise for every call to R_FindShader
|
|
// with that same strippedName a new default shader is created.
|
|
if (Q_stricmp(sh->name, strippedName) == 0) {
|
|
// match found
|
|
return sh;
|
|
}
|
|
}
|
|
|
|
return tr.defaultShader;
|
|
}
|
|
|
|
|
|
/*
|
|
===============
|
|
R_FindShader
|
|
|
|
Will always return a valid shader, but it might be the
|
|
default shader if the real one can't be found.
|
|
|
|
In the interest of not requiring an explicit shader text entry to
|
|
be defined for every single image used in the game, three default
|
|
shader behaviors can be auto-created for any image:
|
|
|
|
If lightmapIndex == LIGHTMAP_NONE, then the image will have
|
|
dynamic diffuse lighting applied to it, as apropriate for most
|
|
entity skin surfaces.
|
|
|
|
If lightmapIndex == LIGHTMAP_2D, then the image will be used
|
|
for 2D rendering unless an explicit shader is found
|
|
|
|
If lightmapIndex == LIGHTMAP_BY_VERTEX, then the image will use
|
|
the vertex rgba modulate values, as apropriate for misc_model
|
|
pre-lit surfaces.
|
|
|
|
Other lightmapIndex values will have a lightmap stage created
|
|
and src*dest blending applied with the texture, as apropriate for
|
|
most world construction surfaces.
|
|
|
|
===============
|
|
*/
|
|
shader_t *R_FindShader( const char *name, int lightmapIndex, qboolean mipRawImage ) {
|
|
char strippedName[MAX_QPATH];
|
|
int hash;
|
|
char *shaderText;
|
|
image_t *image;
|
|
shader_t *sh;
|
|
|
|
if ( name[0] == 0 ) {
|
|
return tr.defaultShader;
|
|
}
|
|
|
|
// use (fullbright) vertex lighting if the bsp file doesn't have
|
|
// lightmaps
|
|
if ( lightmapIndex >= 0 && lightmapIndex >= tr.numLightmaps ) {
|
|
lightmapIndex = LIGHTMAP_BY_VERTEX;
|
|
} else if ( lightmapIndex < LIGHTMAP_2D ) {
|
|
// negative lightmap indexes cause stray pointers (think tr.lightmaps[lightmapIndex])
|
|
ri.Printf( PRINT_WARNING, "WARNING: shader '%s' has invalid lightmap index of %d\n", name, lightmapIndex );
|
|
lightmapIndex = LIGHTMAP_BY_VERTEX;
|
|
}
|
|
|
|
COM_StripExtension(name, strippedName, sizeof(strippedName));
|
|
|
|
hash = generateHashValue(strippedName, FILE_HASH_SIZE);
|
|
|
|
//
|
|
// see if the shader is already loaded
|
|
//
|
|
for (sh = hashTable[hash]; sh; sh = sh->next) {
|
|
// NOTE: if there was no shader or image available with the name strippedName
|
|
// then a default shader is created with lightmapIndex == LIGHTMAP_NONE, so we
|
|
// have to check all default shaders otherwise for every call to R_FindShader
|
|
// with that same strippedName a new default shader is created.
|
|
if ( (sh->lightmapIndex == lightmapIndex || sh->defaultShader) &&
|
|
!Q_stricmp(sh->name, strippedName)) {
|
|
// match found
|
|
return sh;
|
|
}
|
|
}
|
|
|
|
InitShader( strippedName, lightmapIndex );
|
|
|
|
// FIXME: set these "need" values apropriately
|
|
shader.needsNormal = qtrue;
|
|
shader.needsST1 = qtrue;
|
|
shader.needsST2 = qtrue;
|
|
shader.needsColor = qtrue;
|
|
|
|
//
|
|
// attempt to define shader from an explicit parameter file
|
|
//
|
|
shaderText = FindShaderInShaderText( strippedName );
|
|
if ( shaderText ) {
|
|
// enable this when building a pak file to get a global list
|
|
// of all explicit shaders
|
|
if ( r_printShaders->integer ) {
|
|
ri.Printf( PRINT_ALL, "*SHADER* %s\n", name );
|
|
}
|
|
|
|
if ( !ParseShader( &shaderText ) ) {
|
|
// had errors, so use default shader
|
|
shader.defaultShader = qtrue;
|
|
}
|
|
sh = FinishShader();
|
|
return sh;
|
|
}
|
|
|
|
|
|
//
|
|
// if not defined in the in-memory shader descriptions,
|
|
// look for a single supported image file
|
|
//
|
|
{
|
|
imgFlags_t flags;
|
|
|
|
flags = IMGFLAG_NONE;
|
|
|
|
if (mipRawImage)
|
|
{
|
|
flags |= IMGFLAG_MIPMAP | IMGFLAG_PICMIP;
|
|
}
|
|
else
|
|
{
|
|
flags |= IMGFLAG_CLAMPTOEDGE;
|
|
}
|
|
|
|
image = R_FindImageFile( name, IMGTYPE_COLORALPHA, flags );
|
|
if ( !image ) {
|
|
ri.Printf( PRINT_DEVELOPER, "Couldn't find image file for shader %s\n", name );
|
|
shader.defaultShader = qtrue;
|
|
return FinishShader();
|
|
}
|
|
}
|
|
|
|
//
|
|
// create the default shading commands
|
|
//
|
|
if ( shader.lightmapIndex == LIGHTMAP_NONE ) {
|
|
// dynamic colors at vertexes
|
|
stages[0].bundle[0].image[0] = image;
|
|
stages[0].active = qtrue;
|
|
stages[0].rgbGen = CGEN_LIGHTING_DIFFUSE;
|
|
stages[0].stateBits = GLS_DEFAULT;
|
|
} else if ( shader.lightmapIndex == LIGHTMAP_BY_VERTEX ) {
|
|
// explicit colors at vertexes
|
|
stages[0].bundle[0].image[0] = image;
|
|
stages[0].active = qtrue;
|
|
stages[0].rgbGen = CGEN_EXACT_VERTEX;
|
|
stages[0].alphaGen = AGEN_SKIP;
|
|
stages[0].stateBits = GLS_DEFAULT;
|
|
} else if ( shader.lightmapIndex == LIGHTMAP_2D ) {
|
|
// GUI elements
|
|
stages[0].bundle[0].image[0] = image;
|
|
stages[0].active = qtrue;
|
|
stages[0].rgbGen = CGEN_VERTEX;
|
|
stages[0].alphaGen = AGEN_VERTEX;
|
|
stages[0].stateBits = GLS_DEPTHTEST_DISABLE |
|
|
GLS_SRCBLEND_SRC_ALPHA |
|
|
GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA;
|
|
} else if ( shader.lightmapIndex == LIGHTMAP_WHITEIMAGE ) {
|
|
// fullbright level
|
|
stages[0].bundle[0].image[0] = tr.whiteImage;
|
|
stages[0].active = qtrue;
|
|
stages[0].rgbGen = CGEN_IDENTITY_LIGHTING;
|
|
stages[0].stateBits = GLS_DEFAULT;
|
|
|
|
stages[1].bundle[0].image[0] = image;
|
|
stages[1].active = qtrue;
|
|
stages[1].rgbGen = CGEN_IDENTITY;
|
|
stages[1].stateBits |= GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO;
|
|
} else {
|
|
// two pass lightmap
|
|
stages[0].bundle[0].image[0] = tr.lightmaps[shader.lightmapIndex];
|
|
stages[0].bundle[0].isLightmap = qtrue;
|
|
stages[0].active = qtrue;
|
|
stages[0].rgbGen = CGEN_IDENTITY; // lightmaps are scaled on creation
|
|
// for identitylight
|
|
stages[0].stateBits = GLS_DEFAULT;
|
|
|
|
stages[1].bundle[0].image[0] = image;
|
|
stages[1].active = qtrue;
|
|
stages[1].rgbGen = CGEN_IDENTITY;
|
|
stages[1].stateBits |= GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO;
|
|
}
|
|
|
|
return FinishShader();
|
|
}
|
|
|
|
|
|
qhandle_t RE_RegisterShaderFromImage(const char *name, int lightmapIndex, image_t *image, qboolean mipRawImage) {
|
|
int hash;
|
|
shader_t *sh;
|
|
|
|
hash = generateHashValue(name, FILE_HASH_SIZE);
|
|
|
|
// probably not necessary since this function
|
|
// only gets called from tr_font.c with lightmapIndex == LIGHTMAP_2D
|
|
// but better safe than sorry.
|
|
if ( lightmapIndex >= tr.numLightmaps ) {
|
|
lightmapIndex = LIGHTMAP_WHITEIMAGE;
|
|
}
|
|
|
|
//
|
|
// see if the shader is already loaded
|
|
//
|
|
for (sh=hashTable[hash]; sh; sh=sh->next) {
|
|
// NOTE: if there was no shader or image available with the name strippedName
|
|
// then a default shader is created with lightmapIndex == LIGHTMAP_NONE, so we
|
|
// have to check all default shaders otherwise for every call to R_FindShader
|
|
// with that same strippedName a new default shader is created.
|
|
if ( (sh->lightmapIndex == lightmapIndex || sh->defaultShader) &&
|
|
// index by name
|
|
!Q_stricmp(sh->name, name)) {
|
|
// match found
|
|
return sh->index;
|
|
}
|
|
}
|
|
|
|
InitShader( name, lightmapIndex );
|
|
|
|
// FIXME: set these "need" values apropriately
|
|
shader.needsNormal = qtrue;
|
|
shader.needsST1 = qtrue;
|
|
shader.needsST2 = qtrue;
|
|
shader.needsColor = qtrue;
|
|
|
|
//
|
|
// create the default shading commands
|
|
//
|
|
if ( shader.lightmapIndex == LIGHTMAP_NONE ) {
|
|
// dynamic colors at vertexes
|
|
stages[0].bundle[0].image[0] = image;
|
|
stages[0].active = qtrue;
|
|
stages[0].rgbGen = CGEN_LIGHTING_DIFFUSE;
|
|
stages[0].stateBits = GLS_DEFAULT;
|
|
} else if ( shader.lightmapIndex == LIGHTMAP_BY_VERTEX ) {
|
|
// explicit colors at vertexes
|
|
stages[0].bundle[0].image[0] = image;
|
|
stages[0].active = qtrue;
|
|
stages[0].rgbGen = CGEN_EXACT_VERTEX;
|
|
stages[0].alphaGen = AGEN_SKIP;
|
|
stages[0].stateBits = GLS_DEFAULT;
|
|
} else if ( shader.lightmapIndex == LIGHTMAP_2D ) {
|
|
// GUI elements
|
|
stages[0].bundle[0].image[0] = image;
|
|
stages[0].active = qtrue;
|
|
stages[0].rgbGen = CGEN_VERTEX;
|
|
stages[0].alphaGen = AGEN_VERTEX;
|
|
stages[0].stateBits = GLS_DEPTHTEST_DISABLE |
|
|
GLS_SRCBLEND_SRC_ALPHA |
|
|
GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA;
|
|
} else if ( shader.lightmapIndex == LIGHTMAP_WHITEIMAGE ) {
|
|
// fullbright level
|
|
stages[0].bundle[0].image[0] = tr.whiteImage;
|
|
stages[0].active = qtrue;
|
|
stages[0].rgbGen = CGEN_IDENTITY_LIGHTING;
|
|
stages[0].stateBits = GLS_DEFAULT;
|
|
|
|
stages[1].bundle[0].image[0] = image;
|
|
stages[1].active = qtrue;
|
|
stages[1].rgbGen = CGEN_IDENTITY;
|
|
stages[1].stateBits |= GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO;
|
|
} else {
|
|
// two pass lightmap
|
|
stages[0].bundle[0].image[0] = tr.lightmaps[shader.lightmapIndex];
|
|
stages[0].bundle[0].isLightmap = qtrue;
|
|
stages[0].active = qtrue;
|
|
stages[0].rgbGen = CGEN_IDENTITY; // lightmaps are scaled on creation
|
|
// for identitylight
|
|
stages[0].stateBits = GLS_DEFAULT;
|
|
|
|
stages[1].bundle[0].image[0] = image;
|
|
stages[1].active = qtrue;
|
|
stages[1].rgbGen = CGEN_IDENTITY;
|
|
stages[1].stateBits |= GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO;
|
|
}
|
|
|
|
sh = FinishShader();
|
|
return sh->index;
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
RE_RegisterShader
|
|
|
|
This is the exported shader entry point for the rest of the system
|
|
It will always return an index that will be valid.
|
|
|
|
This should really only be used for explicit shaders, because there is no
|
|
way to ask for different implicit lighting modes (vertex, lightmap, etc)
|
|
====================
|
|
*/
|
|
qhandle_t RE_RegisterShaderLightMap( const char *name, int lightmapIndex ) {
|
|
shader_t *sh;
|
|
|
|
if ( strlen( name ) >= MAX_QPATH ) {
|
|
ri.Printf( PRINT_ALL, "Shader name exceeds MAX_QPATH\n" );
|
|
return 0;
|
|
}
|
|
|
|
sh = R_FindShader( name, lightmapIndex, qtrue );
|
|
|
|
// we want to return 0 if the shader failed to
|
|
// load for some reason, but R_FindShader should
|
|
// still keep a name allocated for it, so if
|
|
// something calls RE_RegisterShader again with
|
|
// the same name, we don't try looking for it again
|
|
if ( sh->defaultShader ) {
|
|
return 0;
|
|
}
|
|
|
|
return sh->index;
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
RE_RegisterShader
|
|
|
|
This is the exported shader entry point for the rest of the system
|
|
It will always return an index that will be valid.
|
|
|
|
This should really only be used for explicit shaders, because there is no
|
|
way to ask for different implicit lighting modes (vertex, lightmap, etc)
|
|
====================
|
|
*/
|
|
qhandle_t RE_RegisterShader( const char *name ) {
|
|
shader_t *sh;
|
|
|
|
if ( strlen( name ) >= MAX_QPATH ) {
|
|
ri.Printf( PRINT_ALL, "Shader name exceeds MAX_QPATH\n" );
|
|
return 0;
|
|
}
|
|
|
|
sh = R_FindShader( name, LIGHTMAP_2D, qtrue );
|
|
|
|
// we want to return 0 if the shader failed to
|
|
// load for some reason, but R_FindShader should
|
|
// still keep a name allocated for it, so if
|
|
// something calls RE_RegisterShader again with
|
|
// the same name, we don't try looking for it again
|
|
if ( sh->defaultShader ) {
|
|
return 0;
|
|
}
|
|
|
|
return sh->index;
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
RE_RegisterShaderNoMip
|
|
|
|
For menu graphics that should never be picmiped
|
|
====================
|
|
*/
|
|
qhandle_t RE_RegisterShaderNoMip( const char *name ) {
|
|
shader_t *sh;
|
|
|
|
if ( strlen( name ) >= MAX_QPATH ) {
|
|
ri.Printf( PRINT_ALL, "Shader name exceeds MAX_QPATH\n" );
|
|
return 0;
|
|
}
|
|
|
|
sh = R_FindShader( name, LIGHTMAP_2D, qfalse );
|
|
|
|
// we want to return 0 if the shader failed to
|
|
// load for some reason, but R_FindShader should
|
|
// still keep a name allocated for it, so if
|
|
// something calls RE_RegisterShader again with
|
|
// the same name, we don't try looking for it again
|
|
if ( sh->defaultShader ) {
|
|
return 0;
|
|
}
|
|
|
|
return sh->index;
|
|
}
|
|
|
|
/*
|
|
====================
|
|
R_GetShaderByHandle
|
|
|
|
When a handle is passed in by another module, this range checks
|
|
it and returns a valid (possibly default) shader_t to be used internally.
|
|
====================
|
|
*/
|
|
shader_t *R_GetShaderByHandle( qhandle_t hShader ) {
|
|
if ( hShader < 0 ) {
|
|
ri.Printf( PRINT_WARNING, "R_GetShaderByHandle: out of range hShader '%d'\n", hShader );
|
|
return tr.defaultShader;
|
|
}
|
|
if ( hShader >= tr.numShaders ) {
|
|
ri.Printf( PRINT_WARNING, "R_GetShaderByHandle: out of range hShader '%d'\n", hShader );
|
|
return tr.defaultShader;
|
|
}
|
|
return tr.shaders[hShader];
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_ShaderList_f
|
|
|
|
Dump information on all valid shaders to the console
|
|
A second parameter will cause it to print in sorted order
|
|
===============
|
|
*/
|
|
void R_ShaderList_f (void) {
|
|
int i;
|
|
int count;
|
|
shader_t *shader;
|
|
|
|
ri.Printf (PRINT_ALL, "-----------------------\n");
|
|
|
|
count = 0;
|
|
for ( i = 0 ; i < tr.numShaders ; i++ ) {
|
|
if ( ri.Cmd_Argc() > 1 ) {
|
|
shader = tr.sortedShaders[i];
|
|
} else {
|
|
shader = tr.shaders[i];
|
|
}
|
|
|
|
ri.Printf( PRINT_ALL, "%i ", shader->numUnfoggedPasses );
|
|
|
|
if (shader->lightmapIndex >= 0 ) {
|
|
ri.Printf (PRINT_ALL, "L ");
|
|
} else {
|
|
ri.Printf (PRINT_ALL, " ");
|
|
}
|
|
if ( shader->multitextureEnv == GL_ADD ) {
|
|
ri.Printf( PRINT_ALL, "MT(a) " );
|
|
} else if ( shader->multitextureEnv == GL_MODULATE ) {
|
|
ri.Printf( PRINT_ALL, "MT(m) " );
|
|
} else if ( shader->multitextureEnv == GL_DECAL ) {
|
|
ri.Printf( PRINT_ALL, "MT(d) " );
|
|
} else {
|
|
ri.Printf( PRINT_ALL, " " );
|
|
}
|
|
if ( shader->explicitlyDefined ) {
|
|
ri.Printf( PRINT_ALL, "E " );
|
|
} else {
|
|
ri.Printf( PRINT_ALL, " " );
|
|
}
|
|
|
|
if ( shader->optimalStageIteratorFunc == RB_StageIteratorGeneric ) {
|
|
ri.Printf( PRINT_ALL, "gen " );
|
|
} else if ( shader->optimalStageIteratorFunc == RB_StageIteratorSky ) {
|
|
ri.Printf( PRINT_ALL, "sky " );
|
|
} else if ( shader->optimalStageIteratorFunc == RB_StageIteratorLightmappedMultitexture ) {
|
|
ri.Printf( PRINT_ALL, "lmmt" );
|
|
} else if ( shader->optimalStageIteratorFunc == RB_StageIteratorVertexLitTexture ) {
|
|
ri.Printf( PRINT_ALL, "vlt " );
|
|
} else {
|
|
ri.Printf( PRINT_ALL, " " );
|
|
}
|
|
|
|
if ( shader->defaultShader ) {
|
|
ri.Printf (PRINT_ALL, ": %s (DEFAULTED)\n", shader->name);
|
|
} else {
|
|
ri.Printf (PRINT_ALL, ": %s\n", shader->name);
|
|
}
|
|
count++;
|
|
}
|
|
ri.Printf (PRINT_ALL, "%i total shaders\n", count);
|
|
ri.Printf (PRINT_ALL, "------------------\n");
|
|
}
|
|
|
|
/*
|
|
====================
|
|
ScanAndLoadShaderFiles
|
|
|
|
Finds and loads all .shader files, combining them into
|
|
a single large text block that can be scanned for shader names
|
|
=====================
|
|
*/
|
|
#define MAX_SHADER_FILES 4096
|
|
static void ScanAndLoadShaderFiles( void )
|
|
{
|
|
char **shaderFiles;
|
|
char *buffers[MAX_SHADER_FILES] = {0};
|
|
char *p;
|
|
int numShaderFiles;
|
|
int i;
|
|
char *oldp, *token, *hashMem, *textEnd;
|
|
int shaderTextHashTableSizes[MAX_SHADERTEXT_HASH], hash, size;
|
|
char shaderName[MAX_QPATH];
|
|
int shaderLine;
|
|
|
|
long sum = 0, summand;
|
|
// scan for shader files
|
|
shaderFiles = ri.FS_ListFiles( "scripts", ".shader", &numShaderFiles );
|
|
|
|
if ( !shaderFiles || !numShaderFiles )
|
|
{
|
|
ri.Printf( PRINT_WARNING, "WARNING: no shader files found\n" );
|
|
return;
|
|
}
|
|
|
|
if ( numShaderFiles > MAX_SHADER_FILES ) {
|
|
numShaderFiles = MAX_SHADER_FILES;
|
|
}
|
|
|
|
// load and parse shader files
|
|
for ( i = 0; i < numShaderFiles; i++ )
|
|
{
|
|
char filename[MAX_QPATH];
|
|
|
|
Com_sprintf( filename, sizeof( filename ), "scripts/%s", shaderFiles[i] );
|
|
ri.Printf( PRINT_DEVELOPER, "...loading '%s'\n", filename );
|
|
summand = ri.FS_ReadFile( filename, (void **)&buffers[i] );
|
|
|
|
if ( !buffers[i] )
|
|
ri.Error( ERR_DROP, "Couldn't load %s", filename );
|
|
|
|
// Do a simple check on the shader structure in that file to make sure one bad shader file cannot fuck up all other shaders.
|
|
p = buffers[i];
|
|
COM_BeginParseSession(filename);
|
|
while(1)
|
|
{
|
|
token = COM_ParseExt(&p, qtrue);
|
|
|
|
if(!*token)
|
|
break;
|
|
|
|
Q_strncpyz(shaderName, token, sizeof(shaderName));
|
|
shaderLine = COM_GetCurrentParseLine();
|
|
|
|
token = COM_ParseExt(&p, qtrue);
|
|
if(token[0] != '{' || token[1] != '\0')
|
|
{
|
|
ri.Printf(PRINT_WARNING, "WARNING: Ignoring shader file %s. Shader \"%s\" on line %d missing opening brace",
|
|
filename, shaderName, shaderLine);
|
|
if (token[0])
|
|
{
|
|
ri.Printf(PRINT_WARNING, " (found \"%s\" on line %d)", token, COM_GetCurrentParseLine());
|
|
}
|
|
ri.Printf(PRINT_WARNING, ".\n");
|
|
ri.FS_FreeFile(buffers[i]);
|
|
buffers[i] = NULL;
|
|
break;
|
|
}
|
|
|
|
if(!SkipBracedSection(&p, 1))
|
|
{
|
|
ri.Printf(PRINT_WARNING, "WARNING: Ignoring shader file %s. Shader \"%s\" on line %d missing closing brace.\n",
|
|
filename, shaderName, shaderLine);
|
|
ri.FS_FreeFile(buffers[i]);
|
|
buffers[i] = NULL;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
if (buffers[i])
|
|
sum += summand;
|
|
}
|
|
|
|
// build single large buffer
|
|
s_shaderText = ri.Hunk_Alloc( sum + numShaderFiles*2, h_low );
|
|
s_shaderText[ 0 ] = '\0';
|
|
textEnd = s_shaderText;
|
|
|
|
// free in reverse order, so the temp files are all dumped
|
|
for ( i = numShaderFiles - 1; i >= 0 ; i-- )
|
|
{
|
|
if ( !buffers[i] )
|
|
continue;
|
|
|
|
strcat( textEnd, buffers[i] );
|
|
strcat( textEnd, "\n" );
|
|
textEnd += strlen( textEnd );
|
|
ri.FS_FreeFile( buffers[i] );
|
|
}
|
|
|
|
COM_Compress( s_shaderText );
|
|
|
|
// free up memory
|
|
ri.FS_FreeFileList( shaderFiles );
|
|
|
|
Com_Memset(shaderTextHashTableSizes, 0, sizeof(shaderTextHashTableSizes));
|
|
size = 0;
|
|
|
|
p = s_shaderText;
|
|
// look for shader names
|
|
while ( 1 ) {
|
|
token = COM_ParseExt( &p, qtrue );
|
|
if ( token[0] == 0 ) {
|
|
break;
|
|
}
|
|
|
|
hash = generateHashValue(token, MAX_SHADERTEXT_HASH);
|
|
shaderTextHashTableSizes[hash]++;
|
|
size++;
|
|
SkipBracedSection(&p, 0);
|
|
}
|
|
|
|
size += MAX_SHADERTEXT_HASH;
|
|
|
|
hashMem = ri.Hunk_Alloc( size * sizeof(char *), h_low );
|
|
|
|
for (i = 0; i < MAX_SHADERTEXT_HASH; i++) {
|
|
shaderTextHashTable[i] = (char **) hashMem;
|
|
hashMem = ((char *) hashMem) + ((shaderTextHashTableSizes[i] + 1) * sizeof(char *));
|
|
}
|
|
|
|
Com_Memset(shaderTextHashTableSizes, 0, sizeof(shaderTextHashTableSizes));
|
|
|
|
p = s_shaderText;
|
|
// look for shader names
|
|
while ( 1 ) {
|
|
oldp = p;
|
|
token = COM_ParseExt( &p, qtrue );
|
|
if ( token[0] == 0 ) {
|
|
break;
|
|
}
|
|
|
|
hash = generateHashValue(token, MAX_SHADERTEXT_HASH);
|
|
shaderTextHashTable[hash][shaderTextHashTableSizes[hash]++] = oldp;
|
|
|
|
SkipBracedSection(&p, 0);
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
CreateInternalShaders
|
|
====================
|
|
*/
|
|
static void CreateInternalShaders( void ) {
|
|
tr.numShaders = 0;
|
|
|
|
// init the default shader
|
|
InitShader( "<default>", LIGHTMAP_NONE );
|
|
stages[0].bundle[0].image[0] = tr.defaultImage;
|
|
stages[0].active = qtrue;
|
|
stages[0].stateBits = GLS_DEFAULT;
|
|
tr.defaultShader = FinishShader();
|
|
|
|
// shadow shader is just a marker
|
|
Q_strncpyz( shader.name, "<stencil shadow>", sizeof( shader.name ) );
|
|
shader.sort = SS_STENCIL_SHADOW;
|
|
tr.shadowShader = FinishShader();
|
|
}
|
|
|
|
static void CreateExternalShaders( void ) {
|
|
tr.projectionShadowShader = R_FindShader( "projectionShadow", LIGHTMAP_NONE, qtrue );
|
|
tr.flareShader = R_FindShader( "flareShader", LIGHTMAP_NONE, qtrue );
|
|
|
|
// Hack to make fogging work correctly on flares. Fog colors are calculated
|
|
// in tr_flare.c already.
|
|
if(!tr.flareShader->defaultShader)
|
|
{
|
|
int index;
|
|
|
|
for(index = 0; index < tr.flareShader->numUnfoggedPasses; index++)
|
|
{
|
|
tr.flareShader->stages[index]->adjustColorsForFog = ACFF_NONE;
|
|
tr.flareShader->stages[index]->stateBits |= GLS_DEPTHTEST_DISABLE;
|
|
}
|
|
}
|
|
|
|
tr.sunShader = R_FindShader( "sun", LIGHTMAP_NONE, qtrue );
|
|
}
|
|
|
|
/*
|
|
==================
|
|
R_InitShaders
|
|
==================
|
|
*/
|
|
void R_InitShaders( void ) {
|
|
ri.Printf( PRINT_ALL, "Initializing Shaders\n" );
|
|
|
|
Com_Memset(hashTable, 0, sizeof(hashTable));
|
|
|
|
CreateInternalShaders();
|
|
|
|
ScanAndLoadShaderFiles();
|
|
|
|
CreateExternalShaders();
|
|
}
|