D:/SoftwareEntwicklung/C++/HLC/Tools/SoftPixelEngine/repository/sources/Framework/OpenCL/spOpenCLBuffer.hpp
Go to the documentation of this file.
00001 /* 00002 * OpenCL buffer header 00003 * 00004 * This file is part of the "SoftPixel Engine" (Copyright (c) 2008 by Lukas Hermanns) 00005 * See "SoftPixelEngine.hpp" for license information. 00006 */ 00007 00008 #ifndef __SP_OPENCL_BUFFER_H__ 00009 #define __SP_OPENCL_BUFFER_H__ 00010 00011 00012 #include "Base/spStandard.hpp" 00013 00014 #if defined(SP_COMPILE_WITH_OPENCL) 00015 00016 00017 #include "Framework/OpenCL/spOpenCLCoreHeader.hpp" 00018 00019 00020 namespace sp 00021 { 00022 namespace video 00023 { 00024 00025 00026 class Texture; 00027 class MeshBuffer; 00028 00030 enum EOpenCLBufferStates 00031 { 00032 OCLBUFFER_READ, 00033 OCLBUFFER_WRITE, 00034 OCLBUFFER_READ_WRITE, 00035 }; 00036 00037 00042 class SP_EXPORT OpenCLBuffer 00043 { 00044 00045 public: 00046 00047 OpenCLBuffer(const EOpenCLBufferStates State, u32 BufferSize); 00048 OpenCLBuffer(const EOpenCLBufferStates State, video::Texture* TexBuffer); 00049 OpenCLBuffer(const EOpenCLBufferStates State, video::MeshBuffer* MeshBuffer); 00050 ~OpenCLBuffer(); 00051 00052 /* === Functions === */ 00053 00054 void writeBuffer(const void* Buffer, u32 Size, u32 Offset = 0); 00055 void readBuffer(void* Buffer, u32 Size, u32 Offset = 0); 00056 00057 void lock(); 00058 void unlock(); 00059 00060 /* === Inline functions === */ 00061 00063 inline u32 getBufferSize() const 00064 { 00065 return BufferSize_; 00066 } 00067 inline EOpenCLBufferStates getState() const 00068 { 00069 return State_; 00070 } 00071 00076 inline bool isCustomBuffer() const 00077 { 00078 return CustomBuffer_; 00079 } 00080 00081 private: 00082 00083 friend class OpenCLProgram; 00084 00085 /* === Functions === */ 00086 00087 cl_mem_flags getMemFlags() const; 00088 00089 void createBuffer(cl_mem_flags Flags, void* Buffer); 00090 00091 /* === Members === */ 00092 00093 cl_mem clBuffer_; 00094 00095 EOpenCLBufferStates State_; 00096 u32 BufferSize_; 00097 00098 bool CustomBuffer_; 00099 00100 }; 00101 00102 00103 } // /namespace video 00104 00105 } // /namespace sp 00106 00107 00108 #endif 00109 00110 #endif 00111 00112 00113 00114 // ================================================================================
