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C++ OpenCL::kernel方法代码示例

本文整理汇总了C++中msa::OpenCL::kernel方法的典型用法代码示例。如果您正苦于以下问题：C++ OpenCL::kernel方法的具体用法？C++ OpenCL::kernel怎么用？C++ OpenCL::kernel使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类msa::OpenCL的用法示例。


在下文中一共展示了OpenCL::kernel方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: update

//--------------------------------------------------------------
void testApp::update(){
	mousePos.x = ofGetMouseX();
	mousePos.y = ofGetMouseY();
	dimensions.x = ofGetWidth();
	dimensions.y = ofGetHeight();
	
	opencl.kernel("updateParticle")->setArg(2, mousePos);
	opencl.kernel("updateParticle")->setArg(3, dimensions);
	opencl.kernel("updateParticle")->run1D(NUM_PARTICLES);
}
开发者ID:Jornason，项目名称:ofxMSAOpenCL，代码行数:11，代码来源:testApp.cpp

示例2: update

//--------------------------------------------------------------
void ofApp::update(){
	
	mousePos.x = ofGetMouseX();
	mousePos.y = ofGetMouseY();
	dimensions.x = ofGetWidth();
	dimensions.y = ofGetHeight();
	
    opencl.kernel("updateParticle")->setArg(2, mousePos);//.getPtr(), sizeof(float2));
    opencl.kernel("updateParticle")->setArg(3, dimensions);//.getPtr(), sizeof(float2) );
	glFlush();
	
	opencl.kernel("updateParticle")->run1D(NUM_PARTICLES);
}
开发者ID:LeiZou，项目名称:ofxMSAOpenCL，代码行数:14，代码来源:ofApp.cpp

示例3: setup

//--------------------------------------------------------------
void testApp::setup(){
	ofBackground(0, 0, 0);
	ofSetLogLevel(OF_LOG_VERBOSE);
	ofSetVerticalSync(false);
	
	opencl.setupFromOpenGL();
    
    // create vbo
    glGenBuffersARB(1, &vbo);
	glBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo);
	glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(float2) * NUM_PARTICLES, 0, GL_DYNAMIC_COPY_ARB);
	glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);

    // init host and CL buffers
    particles.initBuffer(NUM_PARTICLES);
    particlePos.initFromGLObject(vbo, NUM_PARTICLES);

    // init data
	for(int i=0; i<NUM_PARTICLES; i++) {
		Particle &p = particles[i];
		p.vel.set(0, 0);
		p.mass = ofRandom(0.5, 1);		
		particlePos[i].set(ofRandomWidth(), ofRandomHeight());
	}
    
    particles.writeToDevice();
    particlePos.writeToDevice();
	
	
	opencl.loadProgramFromFile("MSAOpenCL/Particle.cl");
	opencl.loadKernel("updateParticle");

	opencl.kernel("updateParticle")->setArg(0, particles.getCLMem());
	opencl.kernel("updateParticle")->setArg(1, particlePos.getCLMem());
	opencl.kernel("updateParticle")->setArg(2, mousePos);
	opencl.kernel("updateParticle")->setArg(3, dimensions);
	
	glPointSize(1);
}
开发者ID:Jornason，项目名称:ofxMSAOpenCL，代码行数:40，代码来源:testApp.cpp

示例4: update

//--------------------------------------------------------------
void testApp::update(){
	
	// grab new frame
	videoGrabber.update();
	
	// if there is a new frame....
	if(videoGrabber.isFrameNew()) {
		
		// RGB textures don't seem to work well. so need to copy the vidgrabber data into a RGBA texture
		int pixelIndex = 0;
		for(int i=0; i<vidWidth; i++) {
			for(int j=0; j<vidHeight; j++) {
				int indexRGB	= pixelIndex * 3;
				int indexRGBA	= pixelIndex * 4;
				
				pixels[indexRGBA  ] = videoGrabber.getPixels()[indexRGB  ];
				pixels[indexRGBA+1] = videoGrabber.getPixels()[indexRGB+1];
				pixels[indexRGBA+2] = videoGrabber.getPixels()[indexRGB+2];
				pixels[indexRGBA+3] = 255;
				pixelIndex++;
			}
		}
		

		// write the new pixel data into the OpenCL Image (and thus the OpenGL texture)
		clImage[activeImageIndex].write(pixels);
		
		
		if(doBlur) {
			msa::OpenCLKernel *kernel = openCL.kernel("msa_boxblur");
			for(int i=0; i<blurAmount; i++) {
				cl_int offset = i * i / 2 + 1;
				kernel->setArg(0, clImage[activeImageIndex].getCLMem());
				kernel->setArg(1, clImage[1-activeImageIndex].getCLMem());
				kernel->setArg(2, offset);
				kernel->run2D(vidWidth, vidHeight);
				activeImageIndex = 1 - activeImageIndex;
			}
		}
		
		if(doFlipX) {
			msa::OpenCLKernel *kernel = openCL.kernel("msa_flipx");
			kernel->setArg(0, clImage[activeImageIndex].getCLMem());
			kernel->setArg(1, clImage[1-activeImageIndex].getCLMem());
			kernel->run2D(vidWidth, vidHeight);
			activeImageIndex = 1 - activeImageIndex;
		}
		
	
		if(doFlipY) {
			msa::OpenCLKernel *kernel = openCL.kernel("msa_flipy");
			kernel->setArg(0, clImage[activeImageIndex].getCLMem());
			kernel->setArg(1, clImage[1-activeImageIndex].getCLMem());
			kernel->run2D(vidWidth, vidHeight);
			activeImageIndex = 1 - activeImageIndex;
		}
		
		if(doGreyscale) {
			msa::OpenCLKernel *kernel = openCL.kernel("msa_greyscale");
			kernel->setArg(0, clImage[activeImageIndex].getCLMem());
			kernel->setArg(1, clImage[1-activeImageIndex].getCLMem());
			kernel->run2D(vidWidth, vidHeight);
			activeImageIndex = 1 - activeImageIndex;
		}
		
		if(doInvert) {
			msa::OpenCLKernel *kernel = openCL.kernel("msa_invert");
			kernel->setArg(0, clImage[activeImageIndex].getCLMem());
			kernel->setArg(1, clImage[1-activeImageIndex].getCLMem());
			kernel->run2D(vidWidth, vidHeight);
			activeImageIndex = 1 - activeImageIndex;
		}
	
		if(doThreshold) {
			msa::OpenCLKernel *kernel = openCL.kernel("msa_threshold");
			kernel->setArg(0, clImage[activeImageIndex].getCLMem());
			kernel->setArg(1, clImage[1-activeImageIndex].getCLMem());
			kernel->setArg(2, threshLevel);
			kernel->run2D(vidWidth, vidHeight);
			activeImageIndex = 1 - activeImageIndex;
		}
		
		
		// calculate capture fps
		static float lastTime = 0;
		float nowTime = ofGetElapsedTimef();
		float timeDiff = nowTime - lastTime;
		if(timeDiff > 0 ) captureFPS = 0.9f * captureFPS + 0.1f / timeDiff;
		lastTime = nowTime;
	}
}
开发者ID:Jornason，项目名称:ofxMSAOpenCL，代码行数:92，代码来源:testApp.cpp

示例5: update

void ofxKinectTracking::update(){
	bool newFrame;
	
#ifndef NORMAL_CAMERA
	kinect->update();	
	newFrame = kinect->isFrameNew();
	
#else
	videoGrabber.update();
	newFrame = videoGrabber.isFrameNew();
	if(newFrame){
		
		
		int pixelIndex = 0;
		for(int i=0; i<640; i++) {
			for(int j=0; j<480; j++) {
				int indexRGB	= pixelIndex * 3;
				int indexL	= pixelIndex;
				
				pixels[indexL] = videoGrabber.getPixels()[indexRGB+1  ];
				pixelIndex++;
			}
		}
		
		
		// write the new pixel data into the OpenCL Image (and thus the OpenGL texture)
		clImage[0].write(pixels);
	}
	
#endif
	if(newFrame){
		cl_int2 spawnCoord = {int(ofRandom(0, 640)), int(ofRandom(0, 480))};
		if(ofRandom(0, 1) < 0.500){
			spawnCoord[0] = -1;
			spawnCoord[0] = -1;			
		}
		
		
		MSA::OpenCLKernel *preKernel = openCL.kernel("preUpdate");
		MSA::OpenCLKernel *updateKernel = openCL.kernel("update");
		MSA::OpenCLKernel *postKernel = openCL.kernel("postUpdate");
		
		
		//Prepare timetaking 
		double totalTimeTmp;
		uint64_t mbeg, mend;
		openCL.finish();
		mbeg = mach_absolute_time();
		
		//Run pre update kernel
		preKernel->setArg(0, clImage[0].getCLMem());
		preKernel->setArg(1, clAntsBuffer.getCLMem());	
		preKernel->run2D(640, 480);
		
		//Calculate time
		openCL.finish();		
		mend = mach_absolute_time();
		killingTime.push_back(machcore(mend, mbeg));
		totalTimeTmp = machcore(mend, mbeg);
		mbeg = mach_absolute_time();
		
		//Run update kernel
		size_t shared_size = (1 * 64) * sizeof(int);		
		updateKernel->setArg(0, clAntsBuffer.getCLMem());
		updateKernel->setArg(1, clSharedBuffer.getCLMem());
		updateKernel->setArg(2, spawnCoord);
		clSetKernelArg(updateKernel->getCLKernel(), 3, shared_size, NULL);
		for(int i=0;i<NUM_ITERATIONS;i++){
			updateKernel->run2D(640, 480);
		}
		
		//Calculate time
		openCL.finish();		
		mend = mach_absolute_time();
		spawningTime.push_back(machcore(mend, mbeg));
		totalTimeTmp += machcore(mend, mbeg);
		mbeg = mach_absolute_time();
		
		//Run post update kernel
		postKernel->setArg(0, clImage[0].getCLMem());
		postKernel->setArg(1, clImage[1].getCLMem());
		postKernel->setArg(2, clAntsBuffer.getCLMem());
		postKernel->setArg(3, clSharedBuffer.getCLMem());
		postKernel->setArg(4, spawnCoord);
		postKernel->run2D(640, 480);
		
		//Calculate time
		openCL.finish();		
		mend = mach_absolute_time();
		updateTime.push_back(machcore(mend, mbeg));
		totalTimeTmp += machcore(mend, mbeg);		
		totalTime.push_back(totalTimeTmp);
		if(totalTime.size() > (640*2)/3){
			totalTime.erase(totalTime.begin());
			killingTime.erase(killingTime.begin());
			spawningTime.erase(spawningTime.begin());
			updateTime.erase(updateTime.begin());
		}
		
	}
//.........这里部分代码省略.........
开发者ID:HalfdanJ，项目名称:ofxKinectTracking，代码行数:101，代码来源:ofxKinectTracking.cpp


注：本文中的msa::OpenCL::kernel方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。