www.pudn.com > GPUVision_5-13-05-2.zip > FindMaximum.cpp

#include "FindMaximum.h" 
#include "IndexMtxPos.h" 
 
using namespace std; 
 
FindMaximum::FindMaximum(CGcontext context) : MtxOps(context){ 
 
	_cgFileName="mtx_maximum_pos.cg"; 
 
	this->_LoadCgPrograms(); 
	this->_initParameters();	 
} 
 
FindMaximum::~FindMaximum(){ 
} 
 
void FindMaximum::_initParameters(){ 
	cgGLEnableProfile(_fragmentProfile); 
 
	_textureAParam = cgGetNamedParameter (_fragmentProgram, "texture"); 
	_kParam = cgGetNamedParameter (_fragmentProgram, "k"); 
	_borderParam = cgGetNamedParameter (_fragmentProgram, "border"); 
	if (_textureAParam == 0 || 
		_kParam == 0 || 
		_borderParam == 0) { 
		printf("Texture param aquisition failed!"); 
		system("pause"); 
		exit (1); 
	} 
 
	cgGLDisableProfile(_fragmentProfile); 
} 
 
 
void FindMaximum::execute(GPUVision *outImg, int arg1){ 
	float kx, ky; 
	IndexMtxPos *idxMtxPos; 
	 
	idxMtxPos = new IndexMtxPos(outImg->GetContext()); 
	idxMtxPos->execute(outImg, arg1);	 
 
	outImg->Begin();	 
	 
	cgGLBindProgram(_fragmentProgram); 
	cgGLSetTextureParameter(_textureAParam, outImg->GetRenderedTextureID()); 
	cgGLEnableTextureParameter(_textureAParam);	 
	 
	cgGLEnableProfile(_fragmentProfile); 
 
	kx=outImg->GetWidth();  
	ky=outImg->GetHeight(); 
	cgGLSetParameter2f(_borderParam, kx, ky); 
 
	while(kx>1 || ky>1){ 
		kx=ceil(kx/2); 
		ky=ceil(ky/2);	 
				 
		cgGLSetParameter2f(_kParam, kx, ky); 
		_DrawFull(outImg->GetWidth(), outImg->GetHeight());									 
		outImg->Flip();//ToDo:We need to change this. 
	} 
		 
	cgGLDisableTextureParameter(_textureAParam); 
	cgGLDisableProfile(_fragmentProfile); 
	 
	outImg->End(); 
} 
 
void FindMaximum::execute(GPUVision *outImg, int arg1, bool removeBorder){ 
	float kx, ky; 
	IndexMtxPos *idxMtxPos; 
	 
	idxMtxPos = new IndexMtxPos(outImg->GetContext()); 
	idxMtxPos->execute(outImg, arg1);	 
	outImg->Begin();	 
	 
	cgGLBindProgram(_fragmentProgram); 
	cgGLSetTextureParameter(_textureAParam, outImg->GetRenderedTextureID()); 
	cgGLEnableTextureParameter(_textureAParam);	 
	 
	cgGLEnableProfile(_fragmentProfile); 
 
	kx=(removeBorder)? outImg->GetWidth()-1:outImg->GetWidth();  
	ky=(removeBorder)? outImg->GetHeight()-1:outImg->GetHeight(); 
	cgGLSetParameter2f(_borderParam, kx, ky); 
 
	while(kx>1 || ky>1){ 
		kx=ceil(kx/2); 
		ky=ceil(ky/2);	 
				 
		cgGLSetParameter2f(_kParam, kx, ky); 
		_DrawFull(outImg->GetWidth(), outImg->GetHeight());									 
		outImg->Flip();//ToDo:We need to change this. 
	} 
		 
	cgGLDisableTextureParameter(_textureAParam); 
	cgGLDisableProfile(_fragmentProfile); 
	 
	outImg->End(); 
} 
 
GLfloat* FindMaximum::interpreteResult (float *colBuffer) {	 
	GLfloat* ret = (GLfloat*)malloc(3*sizeof(GLfloat)); 
	 
	ret[0] = colBuffer[0];			 
	ret[1] = colBuffer[1];			 
	ret[2] = colBuffer[2];			 
	 
	delete colBuffer; 
 
	return ret; 
} 
 
void FindMaximum::showResultMtx(GPUVision* gpuVis, int m, int n){ 
	GLfloat* result; 
	result=interpreteResult(gpuVis->DownloadTexture()); 
	 
	_printOutMtx(result, 1, 3);	 
}