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-rw-r--r--.classpath2
-rw-r--r--src/com/jogamp/opencl/util/CLDeviceFilters.java2
-rw-r--r--src/com/jogamp/opencl/util/CLPlatformFilters.java20
-rw-r--r--test/com/jogamp/opencl/gl/CLGLTest.java115
4 files changed, 134 insertions, 5 deletions
diff --git a/.classpath b/.classpath
index 6f661528..deaae283 100644
--- a/.classpath
+++ b/.classpath
@@ -15,6 +15,6 @@
<classpathentry combineaccessrules="false" kind="src" path="/gluegen"/>
<classpathentry combineaccessrules="false" kind="src" path="/jogl"/>
<classpathentry kind="lib" path="/gluegen/make/lib/android-sdk/15/android.jar" sourcepath="/gluegen/make/lib/android-sdk/15/android-java-src.zip"/>
- <classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
+ <classpathentry kind="lib" path="/gluegen/make/lib/junit.jar" sourcepath="/gluegen/make/lib/junit-sources.jar"/>
<classpathentry kind="output" path="build/classes"/>
</classpath>
diff --git a/src/com/jogamp/opencl/util/CLDeviceFilters.java b/src/com/jogamp/opencl/util/CLDeviceFilters.java
index a5057fb6..6281b844 100644
--- a/src/com/jogamp/opencl/util/CLDeviceFilters.java
+++ b/src/com/jogamp/opencl/util/CLDeviceFilters.java
@@ -70,7 +70,7 @@ public class CLDeviceFilters {
}
/**
- * Accepts all devices which support OpenGL-OpenCL interoparability.
+ * Accepts all devices which support OpenGL-OpenCL interoperability.
*/
public static Filter<CLDevice> glSharing() {
return new Filter<CLDevice>() {
diff --git a/src/com/jogamp/opencl/util/CLPlatformFilters.java b/src/com/jogamp/opencl/util/CLPlatformFilters.java
index 48d20916..451c6b1f 100644
--- a/src/com/jogamp/opencl/util/CLPlatformFilters.java
+++ b/src/com/jogamp/opencl/util/CLPlatformFilters.java
@@ -67,7 +67,7 @@ public class CLPlatformFilters {
}
/**
- * Accepts all platforms containing at least one devices of which supports OpenGL-OpenCL interoparability.
+ * Accepts all platforms containing at least one devices of which supports OpenGL-OpenCL interoperability.
*/
public static Filter<CLPlatform> glSharing() {
return new Filter<CLPlatform>() {
@@ -86,7 +86,7 @@ public class CLPlatformFilters {
/**
* Accepts all with the given OpenGL context compatible platforms containing at least one
- * devices of which supports OpenGL-OpenCL interoparability.
+ * devices of which supports OpenGL-OpenCL interoperability.
*/
public static Filter<CLPlatform> glSharing(final GLContext context) {
return new Filter<CLPlatform>() {
@@ -94,10 +94,24 @@ public class CLPlatformFilters {
public boolean accept(CLPlatform item) {
String glVendor = context.getGL().glGetString(GL.GL_VENDOR);
String clVendor = item.getVendor();
- return clVendor.equals(glVendor) && glFilter.accept(item);
+ return areVendorsCompatible(glVendor,clVendor) && glFilter.accept(item);
}
};
}
+
+ /**
+ * We need this test because:
+ * - On at least some AMD cards, the GL vendor is ATI, but the CL vendor is AMD.
+ * - On at least some Macs, the GL vendor is Nvidia, but the CL vendor is Apple.
+ * @param glVendor OpenGL vendor string.
+ * @param clVendor OpenCL vendor string.
+ * @return true if the strings are either the same, or indicate that they're part of the same card.
+ */
+ private static boolean areVendorsCompatible(final String glVendor, final String clVendor) {
+ return( clVendor.equals(glVendor)
+ || (glVendor.contains("ATI Technologies") && clVendor.contains("Advanced Micro Devices"))
+ || (glVendor.contains("NVIDIA Corporation") && clVendor.contains("Apple")));
+ }
/**
* Accepts all platforms supporting the given extensions.
diff --git a/test/com/jogamp/opencl/gl/CLGLTest.java b/test/com/jogamp/opencl/gl/CLGLTest.java
index b5d85690..8c477002 100644
--- a/test/com/jogamp/opencl/gl/CLGLTest.java
+++ b/test/com/jogamp/opencl/gl/CLGLTest.java
@@ -33,7 +33,10 @@
package com.jogamp.opencl.gl;
import com.jogamp.common.nio.Buffers;
+import com.jogamp.opencl.CLBuffer;
import com.jogamp.opencl.CLCommandQueue;
+import com.jogamp.opencl.CLKernel;
+import com.jogamp.opencl.CLProgram;
import javax.media.opengl.GL2;
import javax.media.opengl.GLException;
@@ -51,6 +54,7 @@ import com.jogamp.opencl.util.CLDeviceFilters;
import com.jogamp.opencl.util.CLPlatformFilters;
import java.io.IOException;
+import java.nio.ByteBuffer;
import java.nio.IntBuffer;
import javax.media.opengl.GLCapabilities;
@@ -226,6 +230,117 @@ public class CLGLTest extends UITestCase {
}
+ @Test(timeout=15000)
+ public void textureSharing() {
+
+ out.println(" - - - glcl; textureSharing - - - ");
+ if(MiscUtils.isOpenCLUnavailable())
+ return;
+
+ initGL();
+ makeGLCurrent();
+ assertTrue(glcontext.isCurrent());
+
+ @SuppressWarnings("unchecked")
+ CLPlatform [] clplatforms = CLPlatform.listCLPlatforms(glSharing(glcontext));
+ if(clplatforms.length == 0) {
+ out.println("no platform that supports OpenGL-OpenCL interoperability");
+ return;
+ }
+
+ for(CLPlatform clplatform : clplatforms) {
+
+ @SuppressWarnings("unchecked")
+ CLDevice [] cldevices = clplatform.listCLDevices(CLDeviceFilters.glSharing());
+
+ for(CLDevice cldevice : cldevices) {
+ out.println(cldevice);
+ textureSharingInner(cldevice);
+ }
+ }
+
+ deinitGL();
+ }
+
+ public void textureSharingInner(CLDevice cldevice) {
+
+ CLGLContext clglcontext = CLGLContext.create(glcontext, cldevice);
+
+ try {
+ out.println(clglcontext);
+
+ GL2 gl = glcontext.getGL().getGL2();
+
+ // create and write GL texture
+ int[] id = new int[1];
+ gl.glGenTextures(id.length, id, 0);
+ gl.glActiveTexture(GL2.GL_TEXTURE0);
+ gl.glBindTexture (GL2.GL_TEXTURE_2D, id[0]);
+ int texWidth = 2;
+ int texHeight = 2;
+ gl.glTexImage2D(GL2.GL_TEXTURE_2D, 0, GL2.GL_RGBA, texWidth, texHeight, 0, GL2.GL_RGBA, GL2.GL_UNSIGNED_BYTE, null );
+ gl.glBindTexture(GL2.GL_TEXTURE_2D, 0);
+ gl.glFinish();
+
+ // create CLGL buffer
+ ByteBuffer bufferCL = Buffers.newDirectByteBuffer(texWidth*texHeight*4);
+ CLGLTexture2d<ByteBuffer> clTexture = clglcontext.createFromGLTexture2d(bufferCL, GL2.GL_TEXTURE_2D, id[0], 0, CLBuffer.Mem.WRITE_ONLY);
+
+ // set texel values to a formula that can be read back and verified
+ String sourceCL = "__kernel void writeTexture (__write_only image2d_t imageTex, unsigned w, unsigned h ) \n" +
+ "{ \n" +
+ " for(unsigned y=1; y<=h; ++y) { \n" +
+ " for(unsigned x=1; x<=w; ++x) { \n" +
+ " write_imagef(imageTex, (int2)(x-1,y-1), (float4)(((float)x)/((float)(4*w)), ((float)y)/((float)(4*h)), 0.0f, 1.0f)); \n" +
+ " } \n" +
+ " } \n" +
+ "}";
+ CLProgram program = clglcontext.createProgram(sourceCL);
+ program.build();
+ System.out.println(program.getBuildStatus());
+ System.out.println(program.getBuildLog());
+ assertTrue(program.isExecutable());
+
+ CLKernel clkernel = program.createCLKernel("writeTexture")
+ .putArg(clTexture)
+ .putArg(texWidth)
+ .putArg(texHeight)
+ .rewind();
+
+ CLCommandQueue queue = cldevice.createCommandQueue();
+
+ // write gl texture with cl kernel, then read it to host buffer
+ queue.putAcquireGLObject(clTexture)
+ .put1DRangeKernel(clkernel, 0, 1, 1)
+ .putReadImage(clTexture, true)
+ .putReleaseGLObject(clTexture)
+ .finish();
+
+ for(int y = 1; y <= texHeight; y++) {
+ for(int x = 1; x <= texWidth; x++) {
+ byte bX = bufferCL.get();
+ byte bY = bufferCL.get();
+ byte bZero = bufferCL.get();
+ byte bMinusOne = bufferCL.get();
+ byte bXCheck = (byte)(((float)x)/((float)(4*texWidth))*256);
+ byte bYCheck = (byte)(((float)y)/((float)(4*texHeight))*256);
+ assertEquals(bXCheck, bX);
+ assertEquals(bYCheck, bY);
+ assertEquals(0, bZero);
+ assertEquals(-1, bMinusOne);
+ }
+ }
+
+ out.println(clTexture);
+
+ clTexture.release();
+ gl.glDeleteBuffers(1, id, 0);
+ }
+ finally {
+ clglcontext.release();
+ }
+ }
+
private void makeGLCurrent() {
// we are patient...
while(true) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 22:33:27 +0000