OgreShaderExDualQuaternionSkinning.h
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    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 _ShaderExDualQuaternionSkinning_
    00028 #define _ShaderExDualQuaternionSkinning_
    00029
    00030 #include "OgreShaderPrerequisites.h"
    00031
    00032 #ifdef RTSHADER_SYSTEM_BUILD_EXT_SHADERS
    00033 #include "OgreShaderExHardwareSkinningTechnique.h"
    00034 #include "OgreShaderParameter.h"
    00035 #include "OgreRenderSystem.h"
    00036 #include "OgreShaderFunctionAtom.h"
    00037
    00038 namespace Ogre {
    00039 namespace RTShader {
    00040
    00048 #define SGX_LIB_DUAL_QUATERNION             "SGXLib_DualQuaternion"
    00049 #define SGX_FUNC_BLEND_WEIGHT               "SGX_BlendWeight"
    00050 #define SGX_FUNC_ANTIPODALITY_ADJUSTMENT        "SGX_AntipodalityAdjustment"
    00051 #define SGX_FUNC_CALCULATE_BLEND_POSITION       "SGX_CalculateBlendPosition"
    00052 #define SGX_FUNC_CALCULATE_BLEND_NORMAL         "SGX_CalculateBlendNormal"
    00053 #define SGX_FUNC_NORMALIZE_DUAL_QUATERNION      "SGX_NormalizeDualQuaternion"
    00054 #define SGX_FUNC_ADJOINT_TRANSPOSE_MATRIX       "SGX_AdjointTransposeMatrix"
    00055 #define SGX_FUNC_BUILD_DUAL_QUATERNION_MATRIX       "SGX_BuildDualQuaternionMatrix"
    00056
    00061 class _OgreRTSSExport DualQuaternionSkinning : public HardwareSkinningTechnique
    00062 {
    00063 // Interface.
    00064 public:
    00066     DualQuaternionSkinning();
    00067
    00071     virtual bool resolveParameters(ProgramSet* programSet);
    00072
    00076     virtual bool resolveDependencies(ProgramSet* programSet);
    00077
    00081     virtual bool addFunctionInvocations(ProgramSet* programSet);
    00082
    00083 // Protected methods
    00084 protected:
    00086     void addPositionCalculations(Function* vsMain, int& funcCounter);
    00087
    00089     void adjustForCorrectAntipodality(Function* vsMain, int index, int& funcCounter, const ParameterPtr& pTempWorldMatrix);
    00090
    00096     void addIndexedPositionWeight(Function* vsMain, int index, ParameterPtr& pWorldMatrix,
    00097                       ParameterPtr& pPositionTempParameter, ParameterPtr& pPositionRelatedOutputParam, int& funcCounter);
    00098
    00100     void addNormalRelatedCalculations(Function* vsMain,
    00101                         ParameterPtr& pNormalRelatedParam,
    00102                         ParameterPtr& pNormalWorldRelatedParam,
    00103                         int& funcCounter);
    00104
    00105 protected:
    00106     UniformParameterPtr mParamInScaleShearMatrices;
    00107     ParameterPtr mParamLocalBlendPosition;
    00108     ParameterPtr mParamBlendS;
    00109     ParameterPtr mParamBlendDQ;
    00110     ParameterPtr mParamInitialDQ;
    00111     ParameterPtr mParamTempWorldMatrix;
    00112
    00113     ParameterPtr mParamTempFloat2x4;
    00114     ParameterPtr mParamTempFloat3x3;
    00115     ParameterPtr mParamTempFloat3x4;
    00116
    00117     ParameterPtr mParamIndex1;
    00118     ParameterPtr mParamIndex2;
    00119
    00120 };
    00121
    00122 }
    00123 }
    00124
    00125 #endif
    00126 #endif
    00127

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