PyramidCL.h

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//  File:       PyramidCL.h
//  Author:     Changchang Wu
//  Description : interface for the PyramdCL
//
//  Copyright (c) 2007 University of North Carolina at Chapel Hill
//  All Rights Reserved
//
//  Permission to use, copy, modify and distribute this software and its
//  documentation for educational, research and non-profit purposes, without
//  fee, and without a written agreement is hereby granted, provided that the
//  above copyright notice and the following paragraph appear in all copies.
//  
//  The University of North Carolina at Chapel Hill make no representations
//  about the suitability of this software for any purpose. It is provided
//  'as is' without express or implied warranty. 
//
//  Please send BUG REPORTS to ccwu@cs.unc.edu
//
 
 
 
#ifndef _PYRAMID_CL_H
#define _PYRAMID_CL_H
#if defined(CL_SIFTGPU_ENABLED)
 
class CLTexImage;
class SiftPyramid;
class ProgramBagCL;
class PyramidCL: public SiftPyramid
{
    CLTexImage*     _inputTex;
    CLTexImage*     _allPyramid;
    CLTexImage*     _histoPyramidTex;
    CLTexImage*     _featureTex;
    CLTexImage*     _descriptorTex;
    CLTexImage*     _orientationTex;
    ProgramBagCL*   _OpenCL;
    GLTexImage*     _bufferTEX;
public:
    virtual void GetFeatureDescriptors();
    virtual void GenerateFeatureListTex();
    virtual void ReshapeFeatureListCPU();
    virtual void GenerateFeatureDisplayVBO();
    virtual void DestroySharedData();
    virtual void DestroyPerLevelData();
    virtual void DestroyPyramidData();
    virtual void DownloadKeypoints();
    virtual void GenerateFeatureListCPU();
    virtual void GenerateFeatureList();
    virtual GLTexImage* GetLevelTexture(int octave, int level);
    virtual GLTexImage* GetLevelTexture(int octave, int level, int dataName);
    virtual void BuildPyramid(GLTexInput * input);
    virtual void DetectKeypointsEX();
    virtual void ComputeGradient();
    virtual void GetFeatureOrientations();
    virtual void GetSimplifiedOrientation();
    virtual void InitPyramid(int w, int h, int ds = 0);
    virtual void ResizePyramid(int w, int h);
    
    void CopyGradientTex();
    void FitPyramid(int w, int h);
 
    void InitializeContext();
    int ResizeFeatureStorage();
    int FitHistogramPyramid(CLTexImage* tex);
    void SetLevelFeatureNum(int idx, int fcount);
    void ConvertInputToCL(GLTexInput* input, CLTexImage* output);
    GLTexImage* ConvertTexCL2GL(CLTexImage* tex, int dataName);
    CLTexImage* GetBaseLevel(int octave, int dataName = DATA_GAUSSIAN);
private:
    void GenerateFeatureList(int i, int j, int reduction_count, vector<int>& hbuffer);
public:
    PyramidCL(SiftParam& sp);
    virtual ~PyramidCL();
};
 
 
#endif
#endif