00001 /* 00002 ----------------------------------------------------------------------------- 00003 This source file is part of OGRE 00004 (Object-oriented Graphics Rendering Engine) 00005 For the latest info, see http://www.ogre3d.org/ 00006 00007 Copyright (c) 2000-2009 Torus Knot Software Ltd 00008 00009 Permission is hereby granted, free of charge, to any person obtaining a copy 00010 of this software and associated documentation files (the "Software"), to deal 00011 in the Software without restriction, including without limitation the rights 00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00013 copies of the Software, and to permit persons to whom the Software is 00014 furnished to do so, subject to the following conditions: 00015 00016 The above copyright notice and this permission notice shall be included in 00017 all copies or substantial portions of the Software. 00018 00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00025 THE SOFTWARE. 00026 ----------------------------------------------------------------------------- 00027 */ 00028 00029 #ifndef __Ogre_TerrainMaterialGeneratorA_H__ 00030 #define __Ogre_TerrainMaterialGeneratorA_H__ 00031 00032 #include "OgreTerrainPrerequisites.h" 00033 #include "OgreTerrainMaterialGenerator.h" 00034 #include "OgreGpuProgramParams.h" 00035 00036 namespace Ogre 00037 { 00038 class PSSMShadowCameraSetup; 00039 00052 class _OgreTerrainExport TerrainMaterialGeneratorA : public TerrainMaterialGenerator 00053 { 00054 public: 00055 TerrainMaterialGeneratorA(); 00056 ~TerrainMaterialGeneratorA(); 00057 00060 class _OgreTerrainExport SM2Profile : public TerrainMaterialGenerator::Profile 00061 { 00062 public: 00063 SM2Profile(TerrainMaterialGenerator* parent, const String& name, const String& desc); 00064 ~SM2Profile(); 00065 MaterialPtr generate(const Terrain* terrain); 00066 MaterialPtr generateForCompositeMap(const Terrain* terrain); 00067 uint8 getMaxLayers(const Terrain* terrain) const; 00068 void updateParams(const MaterialPtr& mat, const Terrain* terrain); 00069 void updateParamsForCompositeMap(const MaterialPtr& mat, const Terrain* terrain); 00070 void requestOptions(Terrain* terrain); 00071 00074 bool isLayerNormalMappingEnabled() const { return mLayerNormalMappingEnabled; } 00077 void setLayerNormalMappingEnabled(bool enabled); 00080 bool isLayerParallaxMappingEnabled() const { return mLayerParallaxMappingEnabled; } 00083 void setLayerParallaxMappingEnabled(bool enabled); 00086 bool isLayerSpecularMappingEnabled() const { return mLayerSpecularMappingEnabled; } 00089 void setLayerSpecularMappingEnabled(bool enabled); 00093 bool isGlobalColourMapEnabled() const { return mGlobalColourMapEnabled; } 00097 void setGlobalColourMapEnabled(bool enabled); 00101 bool isLightmapEnabled() const { return mLightmapEnabled; } 00105 void setLightmapEnabled(bool enabled); 00109 bool isCompositeMapEnabled() const { return mCompositeMapEnabled; } 00113 void setCompositeMapEnabled(bool enabled); 00117 bool getReceiveDynamicShadowsEnabled() const { return mReceiveDynamicShadows; } 00121 void setReceiveDynamicShadowsEnabled(bool enabled); 00122 00126 void setReceiveDynamicShadowsPSSM(PSSMShadowCameraSetup* pssmSettings); 00130 PSSMShadowCameraSetup* getReceiveDynamicShadowsPSSM() const { return mPSSM; } 00133 void setReceiveDynamicShadowsDepth(bool enabled); 00136 bool getReceiveDynamicShadowsDepth() const { return mDepthShadows; } 00139 void setReceiveDynamicShadowsLowLod(bool enabled); 00142 bool getReceiveDynamicShadowsLowLod() const { return mLowLodShadows; } 00143 00145 bool _isSM3Available() const { return mSM3Available; } 00146 00147 protected: 00148 00149 enum TechniqueType 00150 { 00151 HIGH_LOD, 00152 LOW_LOD, 00153 RENDER_COMPOSITE_MAP 00154 }; 00155 void addTechnique(const MaterialPtr& mat, const Terrain* terrain, TechniqueType tt); 00156 00158 class _OgreTerrainExport ShaderHelper : public TerrainAlloc 00159 { 00160 public: 00161 ShaderHelper() {} 00162 virtual ~ShaderHelper() {} 00163 virtual HighLevelGpuProgramPtr generateVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); 00164 virtual HighLevelGpuProgramPtr generateFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); 00165 virtual void updateParams(const SM2Profile* prof, const MaterialPtr& mat, const Terrain* terrain, bool compositeMap); 00166 protected: 00167 virtual String getVertexProgramName(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); 00168 virtual String getFragmentProgramName(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); 00169 virtual HighLevelGpuProgramPtr createVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) = 0; 00170 virtual HighLevelGpuProgramPtr createFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt) = 0; 00171 virtual void generateVertexProgramSource(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); 00172 virtual void generateFragmentProgramSource(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); 00173 virtual void generateVpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) = 0; 00174 virtual void generateFpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) = 0; 00175 virtual void generateVpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) = 0; 00176 virtual void generateFpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) = 0; 00177 virtual void generateVpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) = 0; 00178 virtual void generateFpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) = 0; 00179 virtual void defaultVpParams(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const HighLevelGpuProgramPtr& prog); 00180 virtual void defaultFpParams(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const HighLevelGpuProgramPtr& prog); 00181 virtual void updateVpParams(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const GpuProgramParametersSharedPtr& params); 00182 virtual void updateFpParams(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, const GpuProgramParametersSharedPtr& params); 00183 static String getChannel(uint idx); 00184 00185 size_t mShadowSamplerStartHi; 00186 size_t mShadowSamplerStartLo; 00187 00188 }; 00189 00191 class _OgreTerrainExport ShaderHelperCg : public ShaderHelper 00192 { 00193 protected: 00194 HighLevelGpuProgramPtr createVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); 00195 HighLevelGpuProgramPtr createFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); 00196 void generateVpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); 00197 void generateFpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); 00198 void generateVpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream); 00199 void generateFpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream); 00200 void generateVpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); 00201 void generateFpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); 00202 uint generateVpDynamicShadowsParams(uint texCoordStart, const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); 00203 void generateVpDynamicShadows(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); 00204 void generateFpDynamicShadowsHelpers(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); 00205 void generateFpDynamicShadowsParams(uint* texCoord, uint* sampler, const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); 00206 void generateFpDynamicShadows(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream); 00207 }; 00208 00209 class _OgreTerrainExport ShaderHelperHLSL : public ShaderHelperCg 00210 { 00211 protected: 00212 HighLevelGpuProgramPtr createVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); 00213 HighLevelGpuProgramPtr createFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); 00214 }; 00215 00217 class _OgreTerrainExport ShaderHelperGLSL : public ShaderHelper 00218 { 00219 protected: 00220 HighLevelGpuProgramPtr createVertexProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); 00221 HighLevelGpuProgramPtr createFragmentProgram(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt); 00222 void generateVpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) {} 00223 void generateFpHeader(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) {} 00224 void generateVpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) {} 00225 void generateFpLayer(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, uint layer, StringUtil::StrStreamType& outStream) {} 00226 void generateVpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) {} 00227 void generateFpFooter(const SM2Profile* prof, const Terrain* terrain, TechniqueType tt, StringUtil::StrStreamType& outStream) {} 00228 }; 00229 00230 ShaderHelper* mShaderGen; 00231 bool mLayerNormalMappingEnabled; 00232 bool mLayerParallaxMappingEnabled; 00233 bool mLayerSpecularMappingEnabled; 00234 bool mGlobalColourMapEnabled; 00235 bool mLightmapEnabled; 00236 bool mCompositeMapEnabled; 00237 bool mReceiveDynamicShadows; 00238 PSSMShadowCameraSetup* mPSSM; 00239 bool mDepthShadows; 00240 bool mLowLodShadows; 00241 bool mSM3Available; 00242 00243 bool isShadowingEnabled(TechniqueType tt, const Terrain* terrain) const; 00244 00245 }; 00246 00247 00248 00249 00250 }; 00251 00252 00253 00258 } 00259 00260 #endif 00261
Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Feb 28 21:10:44 2010