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-rw-r--r--src/com/mbien/opencl/CLCommandQueue.java206
1 files changed, 163 insertions, 43 deletions
diff --git a/src/com/mbien/opencl/CLCommandQueue.java b/src/com/mbien/opencl/CLCommandQueue.java
index 3b0560ba..dd2ab075 100644
--- a/src/com/mbien/opencl/CLCommandQueue.java
+++ b/src/com/mbien/opencl/CLCommandQueue.java
@@ -1,6 +1,6 @@
package com.mbien.opencl;
-import java.nio.Buffer;
+import com.sun.gluegen.runtime.PointerBuffer;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.List;
@@ -13,8 +13,8 @@ import static com.mbien.opencl.CL.*;
* command-queues allows applications to queue multiple independent commands without
* requiring synchronization. Note that this should work as long as these objects are
* not being shared.<b/>
- * Sharing of objects across multiple command-queues will require the application to
- * perform appropriate synchronization.
+ * Sharing of objects across multiple command-queues or using a CLCommandQueue
+ * form multiple Threads will require the application to perform appropriate synchronization.<b/>
* @author Michael Bien
*/
public class CLCommandQueue implements CLResource {
@@ -24,11 +24,22 @@ public class CLCommandQueue implements CLResource {
private final CLDevice device;
private final CL cl;
+ /*
+ * Those direct memory buffers are used to pass data between the JVM and OpenCL.
+ */
+ private final PointerBuffer bufferA;
+ private final PointerBuffer bufferB;
+ private final PointerBuffer bufferC;
+
CLCommandQueue(CLContext context, CLDevice device, long properties) {
this.context = context;
this.cl = context.cl;
this.device = device;
+ this.bufferA = PointerBuffer.allocateDirect(2);
+ this.bufferB = PointerBuffer.allocateDirect(2);
+ this.bufferC = PointerBuffer.allocateDirect(2);
+
int[] status = new int[1];
this.ID = cl.clCreateCommandQueue(context.ID, device.ID, properties, status, 0);
@@ -36,34 +47,50 @@ public class CLCommandQueue implements CLResource {
throw new CLException(status[0], "can not create command queue on "+device);
}
- public CLCommandQueue putWriteBuffer(CLBuffer<?> writeBuffer, boolean blockingWrite) {
+ public CLCommandQueue putWriteBuffer(CLBuffer<?> writeBuffer, boolean blockingRead) {
+ return putWriteBuffer(writeBuffer, null, blockingRead);
+ }
+
+ public CLCommandQueue putWriteBuffer(CLBuffer<?> writeBuffer, CLEventList events, boolean blockingWrite) {
+ PointerBuffer pb = PointerBuffer.allocateDirect(2);
int ret = cl.clEnqueueWriteBuffer(
ID, writeBuffer.ID, blockingWrite ? CL_TRUE : CL_FALSE,
0, writeBuffer.getSizeInBytes(), writeBuffer.buffer,
-// 0, null, null); //TODO solve NPE in gluegen when PointerBuffer == null (fast dircet memory path)
- 0, null, 0, null, 0); //TODO events
+ 0, null, events==null ? null : events.IDs);
if(ret != CL_SUCCESS)
throw new CLException(ret, "can not enqueue WriteBuffer: " + writeBuffer);
+ if(events != null) {
+ events.createEvent(context);
+ }
+
return this;
}
public CLCommandQueue putReadBuffer(CLBuffer<?> readBuffer, boolean blockingRead) {
+ putReadBuffer(readBuffer, null, blockingRead);
+ return this;
+ }
+
+ public CLCommandQueue putReadBuffer(CLBuffer<?> readBuffer, CLEventList events, boolean blockingRead) {
int ret = cl.clEnqueueReadBuffer(
ID, readBuffer.ID, blockingRead ? CL_TRUE : CL_FALSE,
0, readBuffer.getSizeInBytes(), readBuffer.buffer,
-// 0, null, null); //TODO solve NPE in gluegen when PointerBuffer == null (fast dircet memory path)
- 0, null, 0, null, 0); //TODO events
+ 0, null, events==null ? null : events.IDs);
if(ret != CL_SUCCESS)
throw new CLException(ret, "can not enqueue ReadBuffer: " + readBuffer);
-
+
+ if(events != null) {
+ events.createEvent(context);
+ }
+
return this;
}
-
+/*
public CLCommandQueue putReadBuffer(CLBuffer<?> readBuffer, Buffer buffer, boolean blockingRead) {
int ret = cl.clEnqueueReadBuffer(
@@ -77,19 +104,24 @@ public class CLCommandQueue implements CLResource {
return this;
}
+*/
- public CLCommandQueue putBarrier() {
- int ret = cl.clEnqueueBarrier(ID);
- checkForError(ret, "can not enqueue Barrier");
- return this;
+ public CLCommandQueue putCopyBuffer(CLBuffer<?> src, CLBuffer<?> dest, long bytesToCopy) {
+ return putCopyBuffer(src, dest, bytesToCopy, null);
}
- public CLCommandQueue putCopyBuffer(CLBuffer<?> src, CLBuffer<?> dest, long bytesToCopy) {
+ public CLCommandQueue putCopyBuffer(CLBuffer<?> src, CLBuffer<?> dest, long bytesToCopy, CLEventList events) {
+
int ret = cl.clEnqueueCopyBuffer(
ID, src.ID, dest.ID, src.buffer.position(), dest.buffer.position(), bytesToCopy,
-// 0, null, null); //TODO solve NPE in gluegen when PointerBuffer == null
- 0, null, 0, null, 0); //TODO events
+ 0, null, events==null ? null : events.IDs);
+
checkForError(ret, "can not copy Buffer");
+
+ if(events != null) {
+ events.createEvent(context);
+ }
+
return this;
}
@@ -107,10 +139,6 @@ public class CLCommandQueue implements CLResource {
return this;
}
- public CLCommandQueue putMarker() {
-
- return this;
- }
public CLCommandQueue putWriteImage() {
@@ -141,66 +169,158 @@ public class CLCommandQueue implements CLResource {
return this;
}
+*/
+ public CLCommandQueue putMarker(CLEventList events) {
+ int ret = cl.clEnqueueMarker(CL_INT_MIN, events.IDs);
+ checkForError(ret, "can not enqueue marker");
+ return this;
+ }
- public CLCommandQueue putWaitForEvents() {
+ public CLCommandQueue putWaitForEvent(CLEventList list, int index) {
+ int marker = list.IDs.position();
+ list.IDs.position(index);
+ int ret = cl.clWaitForEvents(1, list.IDs);
+ list.IDs.position(marker);
+ checkForError(ret, "error while waiting for events");
+ return this;
+ }
+ public CLCommandQueue putWaitForEvents(CLEventList list) {
+ int ret = cl.clWaitForEvents(list.size, list.IDs);
+ checkForError(ret, "error while waiting for events");
+ return this;
+ }
+
+ public CLCommandQueue putBarrier() {
+ int ret = cl.clEnqueueBarrier(ID);
+ checkForError(ret, "can not enqueue Barrier");
return this;
}
-*/
public CLCommandQueue put1DRangeKernel(CLKernel kernel, long globalWorkOffset, long globalWorkSize, long localWorkSize) {
- return this.putNDRangeKernel(
- kernel, 1,
- globalWorkOffset==0 ? null : new long[] {globalWorkOffset},
- globalWorkSize ==0 ? null : new long[] {globalWorkSize },
- localWorkSize ==0 ? null : new long[] {localWorkSize } );
+ this.put1DRangeKernel(kernel, null, globalWorkOffset, globalWorkSize, localWorkSize);
+ return this;
+ }
+
+ public CLCommandQueue put1DRangeKernel(CLKernel kernel, CLEventList events, long globalWorkOffset, long globalWorkSize, long localWorkSize) {
+ PointerBuffer globWO = null;
+ PointerBuffer globWS = null;
+ PointerBuffer locWS = null;
+
+ if(globalWorkOffset != 0) {
+ globWO = bufferA.put(1, globalWorkOffset).position(1);
+ }
+ if(globalWorkSize != 0) {
+ globWS = bufferB.put(1, globalWorkSize).position(1);
+ }
+ if(globalWorkSize != 0) {
+ locWS = bufferC.put(1, localWorkSize).position(1);
+ }
+
+ this.putNDRangeKernel(kernel, 1, globWO, globWS, locWS);
+ return this;
}
public CLCommandQueue put2DRangeKernel(CLKernel kernel, long globalWorkOffsetX, long globalWorkOffsetY,
long globalWorkSizeX, long globalWorkSizeY,
long localWorkSizeX, long localWorkSizeY) {
- return this.putNDRangeKernel(
- kernel, 2,
- globalWorkOffsetX==0 && globalWorkOffsetY==0 ? null : new long[] {globalWorkOffsetX, globalWorkOffsetY},
- globalWorkSizeX ==0 && globalWorkSizeY ==0 ? null : new long[] {globalWorkSizeX, globalWorkSizeY },
- localWorkSizeX ==0 && localWorkSizeY ==0 ? null : new long[] {localWorkSizeX, localWorkSizeY } );
+ this.put2DRangeKernel(kernel, null,
+ globalWorkOffsetX, globalWorkOffsetY,
+ globalWorkSizeX, globalWorkSizeY,
+ localWorkSizeX, localWorkSizeY);
+
+ return this;
}
- public CLCommandQueue putNDRangeKernel(CLKernel kernel, int workDimension, long[] globalWorkOffset, long[] globalWorkSize, long[] localWorkSize) {
+ public CLCommandQueue put2DRangeKernel(CLKernel kernel, CLEventList events,
+ long globalWorkOffsetX, long globalWorkOffsetY,
+ long globalWorkSizeX, long globalWorkSizeY,
+ long localWorkSizeX, long localWorkSizeY) {
+ PointerBuffer globalWorkOffset = null;
+ PointerBuffer globalWorkSize = null;
+ PointerBuffer localWorkSize = null;
+
+ if(globalWorkOffsetX != 0 && globalWorkOffsetY != 0) {
+ globalWorkOffset = bufferA.put(globalWorkOffsetX).put(globalWorkOffsetY).rewind();
+ }
+ if(globalWorkSizeX != 0 && globalWorkSizeY != 0) {
+ globalWorkSize = bufferB.put(globalWorkSizeX).put(globalWorkSizeY).rewind();
+ }
+ if(localWorkSizeX != 0 && localWorkSizeY !=0) {
+ localWorkSize = bufferC.put(localWorkSizeX).put(localWorkSizeY).rewind();
+ }
+ this.putNDRangeKernel(kernel, 2, globalWorkOffset, globalWorkSize, localWorkSize);
+ return this;
+ }
+
+ public CLCommandQueue putNDRangeKernel(CLKernel kernel, int workDimension, PointerBuffer globalWorkOffset, PointerBuffer globalWorkSize, PointerBuffer localWorkSize) {
+ this.putNDRangeKernel(kernel, null, workDimension, globalWorkOffset, globalWorkSize, localWorkSize);
+ return this;
+ }
+
+ public CLCommandQueue putNDRangeKernel(CLKernel kernel, CLEventList events, int workDimension, PointerBuffer globalWorkOffset, PointerBuffer globalWorkSize, PointerBuffer localWorkSize) {
int ret = cl.clEnqueueNDRangeKernel(
ID, kernel.ID, workDimension,
- globalWorkOffset, 0,
- globalWorkSize, 0,
- localWorkSize, 0,
- 0,
- null, 0,
- null, 0 );
+ globalWorkOffset,
+ globalWorkSize,
+ localWorkSize,
+ 0, null,
+ events==null ? null : events.IDs);
if(ret != CL_SUCCESS)
throw new CLException(ret, "can not enqueue NDRangeKernel: " + kernel);
+ if(events != null) {
+ events.createEvent(context);
+ }
+
return this;
}
-
public CLCommandQueue putAcquireGLObject(long glObject) {
+ this.putAcquireGLObject(glObject, null);
+ return this;
+ }
+
+ public CLCommandQueue putAcquireGLObject(long glObject, CLEventList events) {
CLGLI xl = (CLGLI) cl;
- int ret = xl.clEnqueueAcquireGLObjects(ID, 1, new long[] {glObject}, 0, 0, null, 0, null, 0);
+
+ PointerBuffer glObj = bufferA.put(1, glObject).position(1);
+
+ int ret = xl.clEnqueueAcquireGLObjects(ID, 1, glObj, 0, null,
+ events==null ? null : events.IDs);
if(ret != CL_SUCCESS)
throw new CLException(ret, "can not aquire GLObject: " + glObject);
+ if(events != null) {
+ events.createEvent(context);
+ }
+
return this;
}
public CLCommandQueue putReleaseGLObject(long glObject) {
+ this.putReleaseGLObject(glObject, null);
+ return this;
+ }
+
+ public CLCommandQueue putReleaseGLObject(long glObject, CLEventList events) {
CLGLI xl = (CLGLI) cl;
- int ret = xl.clEnqueueReleaseGLObjects(ID, 1, new long[] {glObject}, 0, 0, null, 0, null, 0);
+
+ PointerBuffer glObj = bufferA.put(1, glObject).position(1);
+
+ int ret = xl.clEnqueueReleaseGLObjects(ID, 1, glObj, 0, null,
+ events==null ? null : events.IDs);
if(ret != CL_SUCCESS)
throw new CLException(ret, "can not release GLObject: " + glObject);
+ if(events != null) {
+ events.createEvent(context);
+ }
+
return this;
}