//--------------------------------------------------------------
void testApp::setup(){
ofBackground(50, 50, 50);
// dump everything to console
ofSetLogLevel(OF_LOG_VERBOSE);
// disable vsync (to allow >60fps)
ofSetVerticalSync(false);
// init grabber
videoGrabber.initGrabber(640, 480);
vidWidth = videoGrabber.getWidth();
vidHeight = videoGrabber.getHeight();
// allocate temp buffer
pixels = new unsigned char[vidWidth * vidHeight * 4];
// init OpenCL from OpenGL context to enable GL-CL data sharing
openCL.setupFromOpenGL();
// create OpenCL textures and related OpenGL textures
clImage[0].initWithTexture(vidWidth, vidHeight, GL_RGBA);
clImage[1].initWithTexture(vidWidth, vidHeight, GL_RGBA);
// load and compile OpenCL program
openCL.loadProgramFromFile("MSAOpenCL/ImageProcessing.cl");
// load kernels
openCL.loadKernel("msa_boxblur");
openCL.loadKernel("msa_flipx");
openCL.loadKernel("msa_flipy");
openCL.loadKernel("msa_greyscale");
openCL.loadKernel("msa_invert");
openCL.loadKernel("msa_threshold");
}
//--------------------------------------------------------------
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);
}
void ofxKinectTracking::init(){
openCL.setupFromOpenGL();
#ifndef NORMAL_CAMERA
kinect = new ofxKinect();
kinect->init();
kinect->setVerbose(true);
kinect->open();
//The depth image
clImage[0].initFromTexture(kinect->getDepthTextureReference(), CL_MEM_READ_ONLY, 0);
#else
videoGrabber.initGrabber(640, 480, true);
clImage[0].initWithTexture(640, 480, GL_LUMINANCE, CL_MEM_READ_ONLY);
pixels = new unsigned char[640*480];
#endif
//The debug image
clImage[1].initWithTexture(640, 480, GL_RGBA);
//Intialize the ants buffer
resetBufferData();
clAntsBuffer.initBuffer(sizeof(Ant)*NUM_ANTS, CL_MEM_READ_WRITE, ants, true);
//Buffer of shared variables
sharedVariables[0] = 0;
clSharedBuffer.initBuffer(sizeof(int)*1, CL_MEM_READ_WRITE, sharedVariables, true);
openCL.loadProgramFromFile("../../../../../addons/ofxKinectTracking/src/KinectTracking.cl");
openCL.loadKernel("preUpdate");
openCL.loadKernel("update");
openCL.loadKernel("postUpdate");
}
//--------------------------------------------------------------
void testApp::setup(){
ofBackground(0, 0, 0);
ofSetLogLevel(OF_LOG_VERBOSE);
ofSetVerticalSync(false);
#ifdef USE_OPENGL_CONTEXT
opencl.setupFromOpenGL();
#else
opencl.setup(CL_DEVICE_TYPE_CPU, 2);
#endif
for(int i=0; i<NUM_PARTICLES; i++) {
Particle &p = particles[i];
p.vel.set(0, 0);
p.mass = ofRandom(0.5, 1);
particlesPos[i].set(ofRandomWidth(), ofRandomHeight());
}
glGenBuffersARB(1, vbo);
glBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo[0]);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(float2) * NUM_PARTICLES, particlesPos, GL_DYNAMIC_COPY_ARB);
glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
opencl.loadProgramFromFile("MSAOpenCL/Particle.cl");
kernelUpdate = opencl.loadKernel("updateParticle");
clMemParticles.initBuffer(sizeof(Particle) * NUM_PARTICLES, CL_MEM_READ_WRITE, particles);
#ifdef USE_OPENGL_CONTEXT
clMemPosVBO.initFromGLObject(vbo[0]);
#else
clMemPosVBO.initBuffer(sizeof(Vec2) * NUM_PARTICLES, CL_MEM_READ_WRITE, particlesPos);
#endif
kernelUpdate->setArg(0, clMemParticles.getCLMem());
kernelUpdate->setArg(1, clMemPosVBO.getCLMem());
kernelUpdate->setArg(2, mousePos);
kernelUpdate->setArg(3, dimensions);
glPointSize(1);
}
