root / rgbdslam / external / siftgpu / src / SiftGPU / CuTexImage.h @ 9240aaa3
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////////////////////////////////////////////////////////////////////////////
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// File: CuTexImage.h
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// Author: Changchang Wu
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// Description : interface for the CuTexImage class.
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// class for storing data in CUDA.
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//
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// Copyright (c) 2007 University of North Carolina at Chapel Hill
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// All Rights Reserved
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//
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// Permission to use, copy, modify and distribute this software and its
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// documentation for educational, research and non-profit purposes, without
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// fee, and without a written agreement is hereby granted, provided that the
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// above copyright notice and the following paragraph appear in all copies.
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//
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// The University of North Carolina at Chapel Hill make no representations
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// about the suitability of this software for any purpose. It is provided
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// 'as is' without express or implied warranty.
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//
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// Please send BUG REPORTS to ccwu@cs.unc.edu
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//
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////////////////////////////////////////////////////////////////////////////
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#ifndef CU_TEX_IMAGE_H
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#define CU_TEX_IMAGE_H
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class GLTexImage; |
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struct cudaArray;
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struct textureReference;
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//using texture2D from linear memory
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#define SIFTGPU_ENABLE_LINEAR_TEX2D
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class CuTexImage |
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{ |
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protected:
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void* _cuData;
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cudaArray* _cuData2D; |
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int _numChannel;
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int _numBytes;
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int _imgWidth;
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int _imgHeight;
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int _texWidth;
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int _texHeight;
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GLuint _fromPBO; |
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public:
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virtual void SetImageSize(int width, int height); |
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virtual void InitTexture(int width, int height, int nchannel = 1); |
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void InitTexture2D();
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inline void BindTexture(textureReference& texRef); |
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inline void BindTexture2D(textureReference& texRef); |
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void CopyToTexture2D();
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void CopyToHost(void* buf); |
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void CopyToHost(void* buf, int stream); |
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void CopyFromHost(const void* buf); |
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int CopyToPBO(GLuint pbo);
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void CopyFromPBO(int width, int height, GLuint pbo); |
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static int DebugCopyToTexture2D(); |
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public:
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inline int GetImgWidth(){return _imgWidth;} |
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inline int GetImgHeight(){return _imgHeight;} |
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inline int GetDataSize(){return _numBytes;} |
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public:
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CuTexImage(); |
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CuTexImage(int width, int height, int nchannel, GLuint pbo); |
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virtual ~CuTexImage(); |
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friend class ProgramCU; |
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friend class PyramidCU; |
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}; |
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//////////////////////////////////////////////////
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//transfer OpenGL Texture to PBO, then to CUDA vector
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//#endif
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#endif // !defined(CU_TEX_IMAGE_H) |
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