[1] | 1 | /* |
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| 2 | ----------------------------------------------------------------------------- |
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| 3 | This source file is part of OGRE |
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| 4 | (Object-oriented Graphics Rendering Engine) |
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| 5 | For the latest info, see http://www.ogre3d.org/ |
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| 6 | |
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| 7 | Copyright (c) 2000-2006 Torus Knot Software Ltd |
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| 8 | Also see acknowledgements in Readme.html |
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| 9 | |
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| 10 | This program is free software; you can redistribute it and/or modify it under |
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software |
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| 12 | Foundation; either version 2 of the License, or (at your option) any later |
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| 13 | version. |
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| 14 | |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT |
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
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| 18 | |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with |
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to |
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| 22 | http://www.gnu.org/copyleft/lesser.txt. |
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| 23 | |
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| 24 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | #include "OgreQuake3ShaderManager.h" |
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| 30 | #include "OgreQuake3Shader.h" |
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| 31 | #include "OgreStringVector.h" |
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| 32 | #include "OgreException.h" |
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| 33 | |
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| 34 | namespace Ogre { |
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| 35 | |
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| 36 | //----------------------------------------------------------------------- |
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| 37 | template<> Quake3ShaderManager *Singleton<Quake3ShaderManager>::ms_Singleton = 0; |
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| 38 | Quake3ShaderManager* Quake3ShaderManager::getSingletonPtr(void) |
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| 39 | { |
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| 40 | return ms_Singleton; |
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| 41 | } |
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| 42 | Quake3ShaderManager& Quake3ShaderManager::getSingleton(void) |
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| 43 | { |
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| 44 | assert( ms_Singleton ); return ( *ms_Singleton ); |
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| 45 | } |
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| 46 | //----------------------------------------------------------------------- |
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| 47 | |
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| 48 | //----------------------------------------------------------------------- |
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| 49 | Quake3ShaderManager::Quake3ShaderManager() |
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| 50 | { |
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| 51 | mScriptPatterns.push_back("*.shader"); |
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| 52 | ResourceGroupManager::getSingleton()._registerScriptLoader(this); |
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| 53 | } |
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| 54 | //----------------------------------------------------------------------- |
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| 55 | Quake3ShaderManager::~Quake3ShaderManager() |
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| 56 | { |
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| 57 | // delete all shaders |
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| 58 | clear(); |
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| 59 | ResourceGroupManager::getSingleton()._unregisterScriptLoader(this); |
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| 60 | } |
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| 61 | //----------------------------------------------------------------------- |
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| 62 | const StringVector& Quake3ShaderManager::getScriptPatterns(void) const |
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| 63 | { |
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| 64 | return mScriptPatterns; |
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| 65 | } |
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| 66 | //----------------------------------------------------------------------- |
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| 67 | Real Quake3ShaderManager::getLoadingOrder(void) const |
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| 68 | { |
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| 69 | return 110.0f; |
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| 70 | } |
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| 71 | //----------------------------------------------------------------------- |
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| 72 | void Quake3ShaderManager::clear(void) |
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| 73 | { |
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| 74 | for (Quake3ShaderMap::iterator i = mShaderMap.begin(); |
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| 75 | i != mShaderMap.end(); ++i) |
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| 76 | { |
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| 77 | delete i->second; |
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| 78 | } |
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| 79 | mShaderMap.clear(); |
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| 80 | } |
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| 81 | //----------------------------------------------------------------------- |
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| 82 | Quake3Shader* Quake3ShaderManager::getByName(const String& name) |
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| 83 | { |
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| 84 | Quake3ShaderMap::iterator i = mShaderMap.find(name); |
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| 85 | if (i == mShaderMap.end()) |
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| 86 | { |
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| 87 | return 0; |
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| 88 | } |
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| 89 | return i->second; |
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| 90 | } |
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| 91 | //----------------------------------------------------------------------- |
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| 92 | void Quake3ShaderManager::parseScript(DataStreamPtr& stream, const String& group) |
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| 93 | { |
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| 94 | String line; |
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| 95 | Quake3Shader* pShader; |
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| 96 | char tempBuf[512]; |
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| 97 | |
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| 98 | pShader = 0; |
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| 99 | bool dummy = false; |
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| 100 | |
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| 101 | while(!stream->eof()) |
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| 102 | { |
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| 103 | line = stream->getLine(); |
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| 104 | // Ignore comments & blanks |
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| 105 | if (!(line.length() == 0 || line.substr(0,2) == "//")) |
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| 106 | { |
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| 107 | if (pShader == 0) |
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| 108 | { |
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| 109 | // No current shader |
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| 110 | if (getByName(line) == 0) |
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| 111 | { |
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| 112 | dummy = false; |
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| 113 | } |
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| 114 | else |
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| 115 | { |
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| 116 | // Defined before, parse but ignore |
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| 117 | // Q3A has duplicates in shaders, doh |
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| 118 | dummy = true; |
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| 119 | } |
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| 120 | |
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| 121 | // So first valid data should be a shader name |
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| 122 | pShader = create(line); |
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| 123 | // Skip to and over next { |
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| 124 | stream->readLine(tempBuf, 511, "{"); |
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| 125 | } |
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| 126 | else |
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| 127 | { |
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| 128 | // Already in a shader |
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| 129 | if (line == "}") |
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| 130 | { |
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| 131 | // Finished shader |
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| 132 | if (dummy && pShader) |
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| 133 | { |
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| 134 | delete pShader; |
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| 135 | } |
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| 136 | pShader = 0; |
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| 137 | } |
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| 138 | else if (line == "{") |
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| 139 | { |
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| 140 | // new pass |
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| 141 | parseNewShaderPass(stream, pShader); |
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| 142 | |
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| 143 | } |
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| 144 | else |
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| 145 | { |
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| 146 | // Attribute |
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| 147 | StringUtil::toLowerCase(line); |
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| 148 | parseShaderAttrib(line, pShader); |
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| 149 | } |
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| 150 | |
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| 151 | } |
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| 152 | |
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| 153 | } |
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| 154 | |
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| 155 | |
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| 156 | } |
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| 157 | |
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| 158 | } |
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| 159 | //----------------------------------------------------------------------- |
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| 160 | Quake3Shader* Quake3ShaderManager::create( const String& name) |
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| 161 | { |
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| 162 | // Gah, Q3A shader scripts include some duplicates - grr |
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| 163 | Quake3Shader* s = new Quake3Shader(name); |
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| 164 | if (mShaderMap.find(name) == mShaderMap.end()) |
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| 165 | { |
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| 166 | mShaderMap[name] = s; |
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| 167 | } |
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| 168 | else |
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| 169 | { |
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| 170 | // deliberately ignore, will get parsed again but will not be used |
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| 171 | } |
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| 172 | return s; |
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| 173 | } |
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| 174 | //----------------------------------------------------------------------- |
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| 175 | void Quake3ShaderManager::parseNewShaderPass(DataStreamPtr& stream, Quake3Shader* pShader) |
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| 176 | { |
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| 177 | String line; |
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| 178 | int passIdx; |
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| 179 | |
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| 180 | passIdx = pShader->numPasses; |
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| 181 | pShader->numPasses++; |
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| 182 | pShader->pass.resize(pShader->numPasses); |
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| 183 | |
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| 184 | // Default pass details |
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| 185 | pShader->pass[passIdx].animNumFrames = 0; |
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| 186 | pShader->pass[passIdx].blend = LBO_REPLACE; |
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| 187 | pShader->pass[passIdx].blendDest = SBF_ZERO; |
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| 188 | pShader->pass[passIdx].blendSrc = SBF_ONE; |
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| 189 | pShader->pass[passIdx].depthFunc = CMPF_LESS_EQUAL; |
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| 190 | pShader->pass[passIdx].flags = 0; |
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| 191 | pShader->pass[passIdx].rgbGenFunc = SHADER_GEN_IDENTITY; |
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| 192 | pShader->pass[passIdx].tcModRotate = 0; |
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| 193 | pShader->pass[passIdx].tcModScale[0] = pShader->pass[passIdx].tcModScale[1] = 1.0; |
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| 194 | pShader->pass[passIdx].tcModScroll[0] = pShader->pass[passIdx].tcModScroll[1] = 0; |
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| 195 | pShader->pass[passIdx].tcModStretchWave = SHADER_FUNC_NONE; |
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| 196 | pShader->pass[passIdx].tcModTransform[0] = pShader->pass[passIdx].tcModTransform[1] = 0; |
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| 197 | pShader->pass[passIdx].tcModTurbOn = false; |
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| 198 | pShader->pass[passIdx].tcModTurb[0] = pShader->pass[passIdx].tcModTurb[1] = |
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| 199 | pShader->pass[passIdx].tcModTurb[2] = pShader->pass[passIdx].tcModTurb[3] = 0; |
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| 200 | pShader->pass[passIdx].texGen = TEXGEN_BASE; |
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| 201 | pShader->pass[passIdx].addressMode = TextureUnitState::TAM_WRAP; |
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| 202 | pShader->pass[passIdx].customBlend = false; |
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| 203 | pShader->pass[passIdx].alphaVal = 0; |
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| 204 | pShader->pass[passIdx].alphaFunc = CMPF_ALWAYS_PASS; |
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| 205 | |
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| 206 | while (!stream->eof()) |
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| 207 | { |
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| 208 | line = stream->getLine(); |
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| 209 | // Ignore comments & blanks |
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| 210 | if (line.length() != 0 && line.substr(0,2) != "//") |
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| 211 | { |
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| 212 | if (line == "}") |
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| 213 | { |
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| 214 | // end of shader |
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| 215 | return; |
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| 216 | } |
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| 217 | else |
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| 218 | { |
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| 219 | parseShaderPassAttrib(line, pShader, &pShader->pass[passIdx]); |
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| 220 | } |
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| 221 | } |
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| 222 | |
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| 223 | |
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| 224 | } |
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| 225 | } |
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| 226 | //----------------------------------------------------------------------- |
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| 227 | void Quake3ShaderManager::parseShaderAttrib( const String& line, Quake3Shader* pShader) |
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| 228 | { |
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| 229 | StringVector vecparams; |
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| 230 | |
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| 231 | vecparams = StringUtil::split(line, " \t"); |
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| 232 | StringVector::iterator params = vecparams.begin(); |
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| 233 | |
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| 234 | if (params[0] == "skyparms") |
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| 235 | { |
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| 236 | if (params[1] != "-") |
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| 237 | { |
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| 238 | pShader->farbox = true; |
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| 239 | pShader->farboxName = params[1]; |
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| 240 | } |
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| 241 | if (params[2] != "-") |
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| 242 | { |
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| 243 | pShader->skyDome = true; |
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| 244 | pShader->cloudHeight = atof(params[2].c_str()); |
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| 245 | } |
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| 246 | // nearbox not supported |
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| 247 | } |
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| 248 | else if (params[0] == "cull") |
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| 249 | { |
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| 250 | if (params[1] == "disable" || params[1] == "none") |
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| 251 | { |
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| 252 | pShader->cullMode = MANUAL_CULL_NONE; |
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| 253 | } |
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| 254 | else if (params[1] == "front") |
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| 255 | { |
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| 256 | pShader->cullMode = MANUAL_CULL_FRONT; |
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| 257 | } |
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| 258 | else if (params[1] == "back") |
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| 259 | { |
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| 260 | pShader->cullMode = MANUAL_CULL_BACK; |
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| 261 | } |
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| 262 | } |
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| 263 | else if (params[0] == "deformvertexes") |
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| 264 | { |
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| 265 | // TODO |
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| 266 | } |
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| 267 | else if (params[0] == "fogparms") |
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| 268 | { |
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| 269 | Real r,g,b; |
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| 270 | r = atof(params[1].c_str()); |
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| 271 | g = atof(params[2].c_str()); |
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| 272 | b = atof(params[3].c_str()); |
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| 273 | pShader->fog = true; |
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| 274 | pShader->fogColour = ColourValue(r,g,b); |
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| 275 | pShader->fogDistance = atof(params[4].c_str()); |
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| 276 | |
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| 277 | } |
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| 278 | } |
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| 279 | //----------------------------------------------------------------------- |
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| 280 | void Quake3ShaderManager::parseShaderPassAttrib( const String& line, Quake3Shader* pShader, Quake3Shader::Pass* pPass) |
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| 281 | { |
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| 282 | StringVector vecparams; |
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| 283 | |
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| 284 | vecparams = StringUtil::split(line, " \t"); |
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| 285 | StringVector::iterator params = vecparams.begin(); |
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| 286 | |
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| 287 | StringUtil::toLowerCase(params[0]); |
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| 288 | if (params[0] != "map" && params[0] != "clampmap" && params[0] != "animmap") |
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| 289 | { |
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| 290 | // lower case all except textures |
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| 291 | for (size_t i = 1; i < vecparams.size(); ++i) |
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| 292 | StringUtil::toLowerCase(params[i]); |
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| 293 | } |
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| 294 | |
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| 295 | |
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| 296 | // MAP |
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| 297 | if (params[0] == "map") |
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| 298 | { |
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| 299 | pPass->textureName = params[1]; |
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| 300 | StringUtil::toLowerCase(params[1]); |
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| 301 | if (params[1] == "$lightmap") |
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| 302 | pPass->texGen = TEXGEN_LIGHTMAP; |
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| 303 | } |
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| 304 | // CLAMPMAP |
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| 305 | if (params[0] == "clampmap") |
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| 306 | { |
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| 307 | pPass->textureName = params[1]; |
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| 308 | StringUtil::toLowerCase(params[1]); |
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| 309 | if (params[1] == "$lightmap") |
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| 310 | pPass->texGen = TEXGEN_LIGHTMAP; |
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| 311 | pPass->addressMode = TextureUnitState::TAM_CLAMP; |
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| 312 | } |
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| 313 | // ANIMMAP |
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| 314 | else if (params[0] == "animmap") |
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| 315 | { |
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| 316 | pPass->animFps = atof(params[1].c_str()); |
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| 317 | pPass->animNumFrames = static_cast<unsigned int>( vecparams.size() - 2 ); |
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| 318 | for (unsigned int frame = 0; frame < pPass->animNumFrames; ++frame) |
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| 319 | { |
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| 320 | pPass->frames[frame] = params[frame+2]; |
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| 321 | } |
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| 322 | } |
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| 323 | // BLENDFUNC |
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| 324 | else if (params[0] == "blendfunc") |
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| 325 | { |
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| 326 | if (params[1] == "add" || params[1] == "gl_add") |
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| 327 | { |
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| 328 | pPass->blend = LBO_ADD; |
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| 329 | pPass->blendDest = SBF_ONE; |
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| 330 | pPass->blendSrc = SBF_ONE; |
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| 331 | } |
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| 332 | else if (params[1] == "filter" || params[1] == "gl_filter") |
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| 333 | { |
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| 334 | pPass->blend = LBO_MODULATE; |
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| 335 | pPass->blendDest = SBF_ZERO; |
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| 336 | pPass->blendSrc = SBF_DEST_COLOUR; |
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| 337 | } |
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| 338 | else if (params[1] == "blend" || params[1] == "gl_blend") |
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| 339 | { |
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| 340 | pPass->blend = LBO_ALPHA_BLEND; |
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| 341 | pPass->blendDest = SBF_ONE_MINUS_SOURCE_ALPHA; |
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| 342 | pPass->blendSrc = SBF_SOURCE_ALPHA; |
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| 343 | } |
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| 344 | else |
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| 345 | { |
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| 346 | // Manual blend |
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| 347 | pPass->blendSrc = convertBlendFunc(params[1]); |
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| 348 | pPass->blendDest = convertBlendFunc(params[2]); |
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| 349 | // Detect common blends |
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| 350 | if (pPass->blendSrc == SBF_ONE && pPass->blendDest == SBF_ZERO) |
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| 351 | pPass->blend = LBO_REPLACE; |
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| 352 | else if (pPass->blendSrc == SBF_ONE && pPass->blendDest == SBF_ONE) |
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| 353 | pPass->blend = LBO_ADD; |
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| 354 | else if ((pPass->blendSrc == SBF_ZERO && pPass->blendDest == SBF_SOURCE_COLOUR) || |
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| 355 | (pPass->blendSrc == SBF_DEST_COLOUR && pPass->blendDest == SBF_ZERO)) |
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| 356 | pPass->blend = LBO_MODULATE; |
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| 357 | else if (pPass->blendSrc == SBF_SOURCE_ALPHA && pPass->blendDest == SBF_ONE_MINUS_SOURCE_ALPHA) |
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| 358 | pPass->blend = LBO_ALPHA_BLEND; |
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| 359 | else |
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| 360 | pPass->customBlend = true; |
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| 361 | |
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| 362 | |
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| 363 | // NB other custom blends might not work due to OGRE trying to use multitexture over multipass |
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| 364 | } |
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| 365 | } |
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| 366 | // RGBGEN |
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| 367 | else if (params[0] == "rgbgen") |
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| 368 | { |
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| 369 | // TODO |
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| 370 | } |
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| 371 | // ALPHAGEN |
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| 372 | else if (params[0] == "alphagen") |
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| 373 | { |
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| 374 | // TODO |
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| 375 | } |
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| 376 | // TCGEN |
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| 377 | else if (params[0] == "tcgen") |
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| 378 | { |
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| 379 | if (params[1] == "base") |
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| 380 | { |
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| 381 | pPass->texGen = TEXGEN_BASE; |
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| 382 | } |
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| 383 | else if (params[1] == "lightmap") |
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| 384 | { |
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| 385 | pPass->texGen = TEXGEN_LIGHTMAP; |
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| 386 | } |
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| 387 | else if (params[1] == "environment") |
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| 388 | { |
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| 389 | pPass->texGen = TEXGEN_ENVIRONMENT; |
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| 390 | } |
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| 391 | } |
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| 392 | // TCMOD |
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| 393 | else if (params[0] == "tcmod") |
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| 394 | { |
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| 395 | if (params[1] == "rotate") |
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| 396 | { |
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| 397 | pPass->tcModRotate = -atof(params[2].c_str()) / 360; // +ve is clockwise degrees in Q3 shader, anticlockwise complete rotations in Ogre |
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| 398 | } |
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| 399 | else if (params[1] == "scroll") |
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| 400 | { |
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| 401 | pPass->tcModScroll[0] = atof(params[2].c_str()); |
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| 402 | pPass->tcModScroll[1] = atof(params[3].c_str()); |
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| 403 | } |
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| 404 | else if (params[1] == "scale") |
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| 405 | { |
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| 406 | pPass->tcModScale[0] = atof(params[2].c_str()); |
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| 407 | pPass->tcModScale[1] = atof(params[3].c_str()); |
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| 408 | } |
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| 409 | else if (params[1] == "stretch") |
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| 410 | { |
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| 411 | if (params[2] == "sin") |
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| 412 | pPass->tcModStretchWave = SHADER_FUNC_SIN; |
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| 413 | else if (params[2] == "triangle") |
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| 414 | pPass->tcModStretchWave = SHADER_FUNC_TRIANGLE; |
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| 415 | else if (params[2] == "square") |
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| 416 | pPass->tcModStretchWave = SHADER_FUNC_SQUARE; |
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| 417 | else if (params[2] == "sawtooth") |
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| 418 | pPass->tcModStretchWave = SHADER_FUNC_SAWTOOTH; |
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| 419 | else if (params[2] == "inversesawtooth") |
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| 420 | pPass->tcModStretchWave = SHADER_FUNC_INVERSESAWTOOTH; |
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| 421 | |
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| 422 | pPass->tcModStretchParams[0] = atof(params[3].c_str()); |
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| 423 | pPass->tcModStretchParams[1] = atof(params[4].c_str()); |
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| 424 | pPass->tcModStretchParams[2] = atof(params[5].c_str()); |
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| 425 | pPass->tcModStretchParams[3] = atof(params[6].c_str()); |
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| 426 | |
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| 427 | } |
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| 428 | } |
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| 429 | // TURB |
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| 430 | else if (params[0] == "turb") |
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| 431 | { |
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| 432 | pPass->tcModTurbOn = true; |
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| 433 | pPass->tcModTurb[0] = atof(params[2].c_str()); |
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| 434 | pPass->tcModTurb[1] = atof(params[3].c_str()); |
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| 435 | pPass->tcModTurb[2] = atof(params[4].c_str()); |
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| 436 | pPass->tcModTurb[3] = atof(params[5].c_str()); |
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| 437 | } |
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| 438 | // DEPTHFUNC |
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| 439 | else if (params[0] == "depthfunc") |
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| 440 | { |
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| 441 | // TODO |
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| 442 | } |
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| 443 | // DEPTHWRITE |
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| 444 | else if (params[0] == "depthwrite") |
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| 445 | { |
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| 446 | // TODO |
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| 447 | } |
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| 448 | // ALPHAFUNC |
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| 449 | else if (params[0] == "alphafunc") |
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| 450 | { |
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| 451 | if (params[1] == "gt0") |
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| 452 | { |
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| 453 | pPass->alphaVal = 0; |
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| 454 | pPass->alphaFunc = CMPF_GREATER; |
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| 455 | } |
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| 456 | else if (params[1] == "ge128") |
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| 457 | { |
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| 458 | pPass->alphaVal = 128; |
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| 459 | pPass->alphaFunc = CMPF_GREATER_EQUAL; |
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| 460 | } |
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| 461 | else if (params[1] == "lt128") |
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| 462 | { |
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| 463 | pPass->alphaVal = 128; |
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| 464 | pPass->alphaFunc = CMPF_LESS; |
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| 465 | } |
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| 466 | } |
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| 467 | |
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| 468 | |
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| 469 | |
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| 470 | } |
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| 471 | //----------------------------------------------------------------------- |
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| 472 | SceneBlendFactor Quake3ShaderManager::convertBlendFunc( const String& q3func) |
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| 473 | { |
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| 474 | if (q3func == "gl_one") |
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| 475 | { |
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| 476 | return SBF_ONE; |
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| 477 | } |
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| 478 | else if (q3func == "gl_zero") |
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| 479 | { |
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| 480 | return SBF_ZERO; |
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| 481 | } |
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| 482 | else if (q3func == "gl_dst_color") |
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| 483 | { |
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| 484 | return SBF_DEST_COLOUR; |
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| 485 | } |
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| 486 | else if (q3func == "gl_src_color") |
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| 487 | { |
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| 488 | return SBF_SOURCE_COLOUR; |
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| 489 | } |
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| 490 | else if (q3func == "gl_one_minus_dest_color") |
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| 491 | { |
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| 492 | return SBF_ONE_MINUS_DEST_COLOUR; |
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| 493 | } |
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| 494 | else if (q3func == "gl_src_alpha") |
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| 495 | { |
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| 496 | return SBF_SOURCE_ALPHA; |
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| 497 | } |
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| 498 | else if (q3func == "gl_one_minus_src_alpha") |
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| 499 | { |
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| 500 | return SBF_ONE_MINUS_SOURCE_ALPHA; |
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| 501 | } |
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| 502 | |
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| 503 | // Default if unrecognised |
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| 504 | return SBF_ONE; |
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| 505 | |
---|
| 506 | } |
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| 507 | |
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| 508 | } |
---|