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) 2000-2012 Torus Knot Software Ltd 00008 Permission is hereby granted, free of charge, to any person obtaining a copy 00009 of this software and associated documentation files (the "Software"), to deal 00010 in the Software without restriction, including without limitation the rights 00011 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00012 copies of the Software, and to permit persons to whom the Software is 00013 furnished to do so, subject to the following conditions: 00014 00015 The above copyright notice and this permission notice shall be included in 00016 all copies or substantial portions of the Software. 00017 00018 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00019 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00020 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00021 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00022 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00023 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00024 THE SOFTWARE. 00025 ----------------------------------------------------------------------------- 00026 */ 00027 #ifndef _ShaderExHardwareSkinning_ 00028 #define _ShaderExHardwareSkinning_ 00029 00030 #include "OgreShaderPrerequisites.h" 00031 00032 #ifdef RTSHADER_SYSTEM_BUILD_EXT_SHADERS 00033 #include "OgreShaderSubRenderState.h" 00034 #include "OgreShaderParameter.h" 00035 #include "OgreRenderSystem.h" 00036 #include "OgreShaderFunctionAtom.h" 00037 #include "OgreShaderExLinearSkinning.h" 00038 #include "OgreShaderExHardwareSkinningTechnique.h" 00039 #include "OgreShaderExDualQuaternionSkinning.h" 00040 #include "OgreShaderExLinearSkinning.h" 00041 00042 #define HS_MAX_WEIGHT_COUNT 4 00043 00044 namespace Ogre { 00045 namespace RTShader { 00046 00047 00048 class HardwareSkinningFactory; 00049 00061 class _OgreRTSSExport HardwareSkinning : public SubRenderState 00062 { 00063 public: 00064 struct SkinningData 00065 { 00066 SkinningData() : 00067 isValid(true), maxBoneCount(0), maxWeightCount(0), skinningType(ST_LINEAR), correctAntipodalityHandling(false), scalingShearingSupport(false) 00068 {} 00069 00070 bool isValid; 00071 ushort maxBoneCount; 00072 ushort maxWeightCount; 00073 SkinningType skinningType; 00074 bool correctAntipodalityHandling; 00075 bool scalingShearingSupport; 00076 }; 00077 00078 // Interface. 00079 public: 00081 HardwareSkinning(); 00082 00086 virtual const String& getType() const; 00087 00091 virtual int getExecutionOrder() const; 00092 00096 virtual void copyFrom(const SubRenderState& rhs); 00097 00110 void setHardwareSkinningParam(ushort boneCount, ushort weightCount, SkinningType skinningType = ST_LINEAR, bool correctAntipodalityHandling = false, bool scalingShearingSupport = false); 00111 00116 ushort getBoneCount(); 00117 00122 ushort getWeightCount(); 00123 00128 SkinningType getSkinningType(); 00129 00134 bool hasCorrectAntipodalityHandling(); 00135 00140 bool hasScalingShearingSupport(); 00141 00145 virtual bool preAddToRenderState(const RenderState* renderState, Pass* srcPass, Pass* dstPass); 00146 00150 void _setCreator(const HardwareSkinningFactory* pCreator) { mCreator = pCreator; } 00151 00152 static String Type; 00153 00154 // Protected methods 00155 protected: 00159 virtual bool resolveParameters(ProgramSet* programSet); 00160 00164 virtual bool resolveDependencies(ProgramSet* programSet); 00165 00169 virtual bool addFunctionInvocations(ProgramSet* programSet); 00170 00171 SharedPtr<LinearSkinning> mLinear; 00172 SharedPtr<DualQuaternionSkinning> mDualQuat; 00173 SharedPtr<HardwareSkinningTechnique> mActiveTechnique; 00174 00176 const HardwareSkinningFactory* mCreator; 00177 SkinningType mSkinningType; 00178 }; 00179 00180 _OgreRTSSExport void operator<<(std::ostream& o, const HardwareSkinning::SkinningData& data); 00181 00186 class _OgreRTSSExport HardwareSkinningFactory : public SubRenderStateFactory, 00187 public Singleton<HardwareSkinningFactory> 00188 { 00189 public: 00190 HardwareSkinningFactory(); 00191 00195 virtual const String& getType() const; 00196 00200 virtual SubRenderState* createInstance(ScriptCompiler* compiler, PropertyAbstractNode* prop, Pass* pass, SGScriptTranslator* translator); 00201 00205 virtual void writeInstance(MaterialSerializer* ser, SubRenderState* subRenderState, Pass* srcPass, Pass* dstPass); 00206 00210 virtual void setCustomShadowCasterMaterials(const SkinningType skinningType, const MaterialPtr& caster1Weight, const MaterialPtr& caster2Weight, 00211 const MaterialPtr& caster3Weight, const MaterialPtr& caster4Weight); 00212 00216 virtual void setCustomShadowReceiverMaterials(const SkinningType skinningType, const MaterialPtr& receiver1Weight, const MaterialPtr& receiver2Weight, 00217 const MaterialPtr& receiver3Weight, const MaterialPtr& receiver4Weight); 00218 00222 const MaterialPtr& getCustomShadowCasterMaterial(const SkinningType skinningType, ushort index) const; 00223 00227 const MaterialPtr& getCustomShadowReceiverMaterial(const SkinningType skinningType, ushort index) const; 00228 00244 void prepareEntityForSkinning(const Entity* pEntity, SkinningType skinningType = ST_LINEAR, bool correctAntidpodalityHandling = false, bool shearScale = false); 00245 00256 ushort getMaxCalculableBoneCount() const { 00257 return mMaxCalculableBoneCount; } 00262 void setMaxCalculableBoneCount(ushort count) { 00263 mMaxCalculableBoneCount = count; } 00264 00282 static HardwareSkinningFactory& getSingleton(void); 00283 00301 static HardwareSkinningFactory* getSingletonPtr(void); 00302 00303 protected: 00313 bool extractSkeletonData(const Entity* pEntity, ushort& boneCount, 00314 ushort& weightCount); 00315 00326 bool imprintSkeletonData(const MaterialPtr& pMaterial, bool isVaild, 00327 ushort boneCount, ushort weightCount, SkinningType skinningType, bool correctAntidpodalityHandling, bool scalingShearingSupport); 00328 00329 protected: 00330 00334 virtual SubRenderState* createInstanceImpl(); 00335 00337 MaterialPtr mCustomShadowCasterMaterialsLinear[HS_MAX_WEIGHT_COUNT]; 00338 MaterialPtr mCustomShadowCasterMaterialsDualQuaternion[HS_MAX_WEIGHT_COUNT]; 00339 00341 MaterialPtr mCustomShadowReceiverMaterialsLinear[HS_MAX_WEIGHT_COUNT]; 00342 MaterialPtr mCustomShadowReceiverMaterialsDualQuaternion[HS_MAX_WEIGHT_COUNT]; 00343 00346 ushort mMaxCalculableBoneCount; 00347 }; 00348 00353 } 00354 } 00355 00356 #endif 00357 #endif 00358
Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:23