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/*
* Copyright 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
/*
* Created on Saturday, April 24 2010 02:58 AM
*/
package com.jogamp.opencl.gl;
import com.jogamp.common.nio.Buffers;
import com.jogamp.common.os.Platform;
import com.jogamp.opencl.CLCommandQueue;
import javax.media.opengl.GL2;
import javax.media.opengl.GLException;
import com.jogamp.opencl.CLDevice;
import com.jogamp.newt.Display;
import com.jogamp.newt.NewtFactory;
import com.jogamp.newt.Screen;
import com.jogamp.newt.Window;
import com.jogamp.newt.opengl.GLWindow;
import com.jogamp.opencl.CLContext;
import com.jogamp.opencl.CLMemory.Mem;
import com.jogamp.opencl.CLPlatform;
import com.jogamp.opencl.util.CLDeviceFilters;
import com.jogamp.opencl.util.CLPlatformFilters;
import java.nio.IntBuffer;
import javax.media.opengl.GLCapabilities;
import javax.media.opengl.GLProfile;
import javax.media.opengl.GLContext;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.MethodRule;
import org.junit.rules.Timeout;
import static com.jogamp.opencl.util.CLPlatformFilters.*;
import static org.junit.Assert.*;
import static java.lang.System.*;
/**
* Test testing the JOGL - JOCL interoperability.
* @author Michael Bien
*/
public class CLGLTest {
@Rule
public MethodRule methodTimeout= new Timeout(15000);
private static GLContext glcontext;
private static GLWindow glWindow;
private static Window window;
public static void initGL() {
GLProfile.initSingleton(true);
// FIXME remove when JOCL is stabelized on mac
if(Platform.getOS().toLowerCase().contains("mac")) {
fail("quick exit to prevent deadlock");
}
Display display = NewtFactory.createDisplay(null); // local display
assertNotNull(display);
Screen screen = NewtFactory.createScreen(display, 0); // screen 0
assertNotNull(screen);
window = NewtFactory.createWindow(screen, new GLCapabilities(GLProfile.getDefault()));
assertNotNull(window);
window.setSize(640, 480);
glWindow = GLWindow.create(window);
assertNotNull(glWindow);
glWindow.setVisible(true);
glcontext = glWindow.getContext();
// glcontext.makeCurrent();
// out.println(" - - - - glcontext - - - - ");
// out.println(glcontext);
// out.println(" - - - - - - - - - - - - - ");
}
private void deinitGL() throws GLException {
glcontext.release();
glWindow.destroy();
window.destroy();
glcontext = null;
glWindow = null;
window = null;
}
@Test
public void createContextTest() {
initGL();
out.println(" - - - glcl; createContextTest - - - ");
CLPlatform platform = CLPlatform.getDefault(CLPlatformFilters.glSharing());
CLDevice device = platform.getMaxFlopsDevice(CLDeviceFilters.glSharing());
if(device == null) {
out.println("Aborting test: no GLCL capable devices found.");
return;
}else{
out.println("isGLMemorySharingSupported==true on: \n "+device);
}
out.println(device.getPlatform());
assertNotNull(glcontext);
makeGLCurrent();
assertTrue(glcontext.isCurrent());
CLContext context = CLGLContext.create(glcontext, device);
assertNotNull(context);
try{
out.println(context);
/*
CLDevice currentDevice = context.getCurrentGLCLDevice();
assertNotNull(currentDevice);
out.println(currentDevice);
*/
}finally{
// destroy cl context, gl context still current
context.release();
deinitGL();
}
}
@Test
public void vboSharing() {
out.println(" - - - glcl; vboSharing - - - ");
initGL();
makeGLCurrent();
assertTrue(glcontext.isCurrent());
CLPlatform platform = CLPlatform.getDefault(glSharing(glcontext));
if(platform == null) {
out.println("test aborted");
return;
}
CLDevice theChosenOne = platform.getMaxFlopsDevice(CLDeviceFilters.glSharing());
out.println(theChosenOne);
CLGLContext context = CLGLContext.create(glcontext, theChosenOne);
try{
out.println(context);
GL2 gl = glcontext.getGL().getGL2();
int[] id = new int[1];
gl.glGenBuffers(id.length, id, 0);
IntBuffer glData = Buffers.newDirectIntBuffer(new int[] {0,1,2,3,4,5,6,7,8});
glData.rewind();
// create and write GL buffer
gl.glEnableClientState(GL2.GL_VERTEX_ARRAY);
gl.glBindBuffer(GL2.GL_ARRAY_BUFFER, id[0]);
gl.glBufferData(GL2.GL_ARRAY_BUFFER, glData.capacity()*4, glData, GL2.GL_STATIC_DRAW);
gl.glBindBuffer(GL2.GL_ARRAY_BUFFER, 0);
gl.glDisableClientState(GL2.GL_VERTEX_ARRAY);
gl.glFinish();
// create CLGL buffer
IntBuffer clData = Buffers.newDirectIntBuffer(9);
CLGLBuffer<IntBuffer> clBuffer = context.createFromGLBuffer(clData, id[0], glData.capacity()*4, Mem.READ_ONLY);
assertEquals(glData.capacity(), clBuffer.getCLCapacity());
assertEquals(glData.capacity()*4, clBuffer.getCLSize());
CLCommandQueue queue = theChosenOne.createCommandQueue();
// read gl buffer into cl nio buffer
queue.putAcquireGLObject(clBuffer)
.putReadBuffer(clBuffer, true)
.putReleaseGLObject(clBuffer);
while(clData.hasRemaining()) {
assertEquals(glData.get(), clData.get());
}
out.println(clBuffer);
clBuffer.release();
gl.glDeleteBuffers(1, id, 0);
}finally{
context.release();
deinitGL();
}
}
private void makeGLCurrent() {
// we are patient...
while(true) {
try{
glcontext.makeCurrent();
break;
}catch(RuntimeException ex) {
try {
Thread.sleep(200);
// I don't give up yet!
} catch (InterruptedException ignore) { }
}
}
}
}
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