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) 2000-2009 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 00034 namespace Ogre { 00035 00046 class _OgreExport OptimisedUtil 00047 { 00048 private: 00050 OptimisedUtil(const OptimisedUtil& rhs); /* do nothing, should not use */ 00052 OptimisedUtil& operator=(const OptimisedUtil& rhs); /* do not use */ 00053 00054 protected: 00056 static OptimisedUtil* msImplementation; 00057 00059 static OptimisedUtil* _detectImplementation(void); 00060 00061 public: 00062 // Default constructor 00063 OptimisedUtil(void) {} 00064 // Destructor 00065 virtual ~OptimisedUtil() {} 00066 00072 static OptimisedUtil* getImplementation(void) { return msImplementation; } 00073 00098 virtual void softwareVertexSkinning( 00099 const float *srcPosPtr, float *destPosPtr, 00100 const float *srcNormPtr, float *destNormPtr, 00101 const float *blendWeightPtr, const unsigned char* blendIndexPtr, 00102 const Matrix4* const* blendMatrices, 00103 size_t srcPosStride, size_t destPosStride, 00104 size_t srcNormStride, size_t destNormStride, 00105 size_t blendWeightStride, size_t blendIndexStride, 00106 size_t numWeightsPerVertex, 00107 size_t numVertices) = 0; 00108 00122 virtual void softwareVertexMorph( 00123 Real t, 00124 const float *srcPos1, const float *srcPos2, 00125 float *dstPos, 00126 size_t numVertices) = 0; 00127 00137 virtual void concatenateAffineMatrices( 00138 const Matrix4& baseMatrix, 00139 const Matrix4* srcMatrices, 00140 Matrix4* dstMatrices, 00141 size_t numMatrices) = 0; 00142 00154 virtual void calculateFaceNormals( 00155 const float *positions, 00156 const EdgeData::Triangle *triangles, 00157 Vector4 *faceNormals, 00158 size_t numTriangles) = 0; 00159 00176 virtual void calculateLightFacing( 00177 const Vector4& lightPos, 00178 const Vector4* faceNormals, 00179 char* lightFacings, 00180 size_t numFaces) = 0; 00181 00196 virtual void extrudeVertices( 00197 const Vector4& lightPos, 00198 Real extrudeDist, 00199 const float* srcPositions, 00200 float* destPositions, 00201 size_t numVertices) = 0; 00202 }; 00203 00208 template <class T> 00209 static FORCEINLINE T* rawOffsetPointer(T* ptr, ptrdiff_t offset) 00210 { 00211 return (T*)((char*)(ptr) + offset); 00212 } 00213 00218 template <class T> 00219 static FORCEINLINE void advanceRawPointer(T*& ptr, ptrdiff_t offset) 00220 { 00221 ptr = rawOffsetPointer(ptr, offset); 00222 } 00226 } 00227 00228 #endif // __OptimisedUtil_H__
Copyright © 2008 Torus Knot Software Ltd
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Last modified Wed Nov 3 2010 19:24:52