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Object-Oriented Graphics Rendering Engine
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OgreShaderExDualQuaternionSkinning.h
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1 /*
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4 (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org
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27 #ifndef _ShaderExDualQuaternionSkinning_
28 #define _ShaderExDualQuaternionSkinning_
29 
31 
32 #ifdef RTSHADER_SYSTEM_BUILD_EXT_SHADERS
34 
35 namespace Ogre {
36 namespace RTShader {
37 
45 #define SGX_LIB_DUAL_QUATERNION "SGXLib_DualQuaternion"
46 #define SGX_FUNC_BLEND_WEIGHT "SGX_BlendWeight"
47 #define SGX_FUNC_ANTIPODALITY_ADJUSTMENT "SGX_AntipodalityAdjustment"
48 #define SGX_FUNC_CALCULATE_BLEND_POSITION "SGX_CalculateBlendPosition"
49 #define SGX_FUNC_CALCULATE_BLEND_NORMAL "SGX_CalculateBlendNormal"
50 #define SGX_FUNC_NORMALIZE_DUAL_QUATERNION "SGX_NormalizeDualQuaternion"
51 #define SGX_FUNC_ADJOINT_TRANSPOSE_MATRIX "SGX_AdjointTransposeMatrix"
52 #define SGX_FUNC_BUILD_DUAL_QUATERNION_MATRIX "SGX_BuildDualQuaternionMatrix"
53 
58 class _OgreRTSSExport DualQuaternionSkinning : public HardwareSkinningTechnique
59 {
60 // Interface.
61 public:
63  DualQuaternionSkinning();
64 
68  virtual bool resolveParameters(ProgramSet* programSet);
69 
73  virtual bool resolveDependencies(ProgramSet* programSet);
74 
78  virtual bool addFunctionInvocations(ProgramSet* programSet);
79 
80 // Protected methods
81 protected:
83  void addPositionCalculations(Function* vsMain, int& funcCounter);
84 
86  void adjustForCorrectAntipodality(Function* vsMain, int index, int& funcCounter, const ParameterPtr& pTempWorldMatrix);
87 
92  void addIndexedPositionWeight(Function* vsMain, int index, ParameterPtr& pWorldMatrix,
93  ParameterPtr& pPositionTempParameter, ParameterPtr& pPositionRelatedOutputParam, int& funcCounter);
94 
96  void addNormalRelatedCalculations(Function* vsMain,
97  ParameterPtr& pNormalRelatedParam,
98  ParameterPtr& pNormalWorldRelatedParam,
99  int& funcCounter);
100 
101 protected:
102  UniformParameterPtr mParamInScaleShearMatrices;
103  ParameterPtr mParamLocalBlendPosition;
104  ParameterPtr mParamBlendS;
105  ParameterPtr mParamBlendDQ;
106  ParameterPtr mParamInitialDQ;
107  ParameterPtr mParamTempWorldMatrix;
108 
109  ParameterPtr mParamTempFloat2x4;
110  ParameterPtr mParamTempFloat3x3;
111  ParameterPtr mParamTempFloat3x4;
112 
113  ParameterPtr mParamIndex1;
114  ParameterPtr mParamIndex2;
115 
116 };
117 
118 } // namespace RTShader
119 } // namespace Ogre
120 
121 #endif // RTSHADER_SYSTEM_BUILD_EXT_SHADERS
122 #endif // _ShaderExDualQuaternionSkinning_
123 
#define _OgreRTSSExport
SharedPtr< Parameter > ParameterPtr
SharedPtr< UniformParameter > UniformParameterPtr