OGRE  1.9.0
OgreShaderExDualQuaternionSkinning.h
Go to the documentation of this file.
1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4(Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.ogre3d.org
6
7Copyright (c) 2000-2014 Torus Knot Software Ltd
8Permission is hereby granted, free of charge, to any person obtaining a copy
9of this software and associated documentation files (the "Software"), to deal
10in the Software without restriction, including without limitation the rights
11to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12copies of the Software, and to permit persons to whom the Software is
13furnished to do so, subject to the following conditions:
14
15The above copyright notice and this permission notice shall be included in
16all copies or substantial portions of the Software.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24THE SOFTWARE.
25-----------------------------------------------------------------------------
26*/
27#ifndef _ShaderExDualQuaternionSkinning_
28#define _ShaderExDualQuaternionSkinning_
29
31
32#ifdef RTSHADER_SYSTEM_BUILD_EXT_SHADERS
34#include "OgreShaderParameter.h"
35#include "OgreRenderSystem.h"
37
38namespace Ogre {
39namespace RTShader {
40
47
48#define SGX_LIB_DUAL_QUATERNION "SGXLib_DualQuaternion"
49#define SGX_FUNC_BLEND_WEIGHT "SGX_BlendWeight"
50#define SGX_FUNC_ANTIPODALITY_ADJUSTMENT "SGX_AntipodalityAdjustment"
51#define SGX_FUNC_CALCULATE_BLEND_POSITION "SGX_CalculateBlendPosition"
52#define SGX_FUNC_CALCULATE_BLEND_NORMAL "SGX_CalculateBlendNormal"
53#define SGX_FUNC_NORMALIZE_DUAL_QUATERNION "SGX_NormalizeDualQuaternion"
54#define SGX_FUNC_ADJOINT_TRANSPOSE_MATRIX "SGX_AdjointTransposeMatrix"
55#define SGX_FUNC_BUILD_DUAL_QUATERNION_MATRIX "SGX_BuildDualQuaternionMatrix"
56
61class _OgreRTSSExport DualQuaternionSkinning : public HardwareSkinningTechnique
62{
63// Interface.
64public:
66 DualQuaternionSkinning();
67
71 virtual bool resolveParameters(ProgramSet* programSet);
72
76 virtual bool resolveDependencies(ProgramSet* programSet);
77
81 virtual bool addFunctionInvocations(ProgramSet* programSet);
82
83// Protected methods
84protected:
86 void addPositionCalculations(Function* vsMain, int& funcCounter);
87
89 void adjustForCorrectAntipodality(Function* vsMain, int index, int& funcCounter, const ParameterPtr& pTempWorldMatrix);
90
95 void addIndexedPositionWeight(Function* vsMain, int index, ParameterPtr& pWorldMatrix,
96 ParameterPtr& pPositionTempParameter, ParameterPtr& pPositionRelatedOutputParam, int& funcCounter);
97
99 void addNormalRelatedCalculations(Function* vsMain,
100 ParameterPtr& pNormalRelatedParam,
101 ParameterPtr& pNormalWorldRelatedParam,
102 int& funcCounter);
103
104protected:
105 UniformParameterPtr mParamInScaleShearMatrices;
106 ParameterPtr mParamLocalBlendPosition;
107 ParameterPtr mParamBlendS;
108 ParameterPtr mParamBlendDQ;
109 ParameterPtr mParamInitialDQ;
110 ParameterPtr mParamTempWorldMatrix;
111
112 ParameterPtr mParamTempFloat2x4;
113 ParameterPtr mParamTempFloat3x3;
114 ParameterPtr mParamTempFloat3x4;
115
116 ParameterPtr mParamIndex1;
117 ParameterPtr mParamIndex2;
118
119};
120
121} // namespace RTShader
122} // namespace Ogre
123
124#endif // RTSHADER_SYSTEM_BUILD_EXT_SHADERS
125#endif // _ShaderExDualQuaternionSkinning_
126
#define _OgreRTSSExport
SharedPtr< Parameter > ParameterPtr
SharedPtr< UniformParameter > UniformParameterPtr