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) 2000-2011 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 #ifndef __OptimisedUtil_H__ 00029 #define __OptimisedUtil_H__ 00030 00031 #include "OgrePrerequisites.h" 00032 #include "OgreEdgeListBuilder.h" 00033 #include <cstddef> 00034 00035 namespace Ogre { 00036 00047 class _OgreExport OptimisedUtil 00048 { 00049 private: 00051 OptimisedUtil(const OptimisedUtil& rhs); /* do nothing, should not use */ 00053 OptimisedUtil& operator=(const OptimisedUtil& rhs); /* do not use */ 00054 00055 protected: 00057 static OptimisedUtil* msImplementation; 00058 00060 static OptimisedUtil* _detectImplementation(void); 00061 00062 public: 00063 // Default constructor 00064 OptimisedUtil(void) {} 00065 // Destructor 00066 virtual ~OptimisedUtil() {} 00067 00073 static OptimisedUtil* getImplementation(void) { return msImplementation; } 00074 00099 virtual void softwareVertexSkinning( 00100 const float *srcPosPtr, float *destPosPtr, 00101 const float *srcNormPtr, float *destNormPtr, 00102 const float *blendWeightPtr, const unsigned char* blendIndexPtr, 00103 const Matrix4* const* blendMatrices, 00104 size_t srcPosStride, size_t destPosStride, 00105 size_t srcNormStride, size_t destNormStride, 00106 size_t blendWeightStride, size_t blendIndexStride, 00107 size_t numWeightsPerVertex, 00108 size_t numVertices) = 0; 00109 00123 virtual void softwareVertexMorph( 00124 Real t, 00125 const float *srcPos1, const float *srcPos2, 00126 float *dstPos, 00127 size_t numVertices) = 0; 00128 00138 virtual void concatenateAffineMatrices( 00139 const Matrix4& baseMatrix, 00140 const Matrix4* srcMatrices, 00141 Matrix4* dstMatrices, 00142 size_t numMatrices) = 0; 00143 00155 virtual void calculateFaceNormals( 00156 const float *positions, 00157 const EdgeData::Triangle *triangles, 00158 Vector4 *faceNormals, 00159 size_t numTriangles) = 0; 00160 00177 virtual void calculateLightFacing( 00178 const Vector4& lightPos, 00179 const Vector4* faceNormals, 00180 char* lightFacings, 00181 size_t numFaces) = 0; 00182 00197 virtual void extrudeVertices( 00198 const Vector4& lightPos, 00199 Real extrudeDist, 00200 const float* srcPositions, 00201 float* destPositions, 00202 size_t numVertices) = 0; 00203 }; 00204 00209 template <class T> 00210 static FORCEINLINE T* rawOffsetPointer(T* ptr, ptrdiff_t offset) 00211 { 00212 return (T*)((char*)(ptr) + offset); 00213 } 00214 00219 template <class T> 00220 static FORCEINLINE void advanceRawPointer(T*& ptr, ptrdiff_t offset) 00221 { 00222 ptr = rawOffsetPointer(ptr, offset); 00223 } 00227 } 00228 00229 #endif // __OptimisedUtil_H__
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Last modified Sat Jan 14 2012 18:40:43