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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
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