/*
* Copyright (c) 2009-2016 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT OWNER 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.
*/
package com.jme3.opencl.lwjgl;
import com.jme3.opencl.*;
import com.jme3.opencl.lwjgl.info.Info;
import java.nio.ByteBuffer;
import org.lwjgl.opencl.*;
/**
*
* @author shaman
*/
public class LwjglBuffer extends Buffer {
private final long buffer;
public LwjglBuffer(long buffer) {
super(new ReleaserImpl(buffer));
this.buffer = buffer;
}
public long getBuffer() {
return buffer;
}
@Override
public long getSize() {
return Info.clGetMemObjectInfoLong(buffer, CL10.CL_MEM_SIZE);
}
@Override
public MemoryAccess getMemoryAccessFlags() {
return Utils.getMemoryAccessFromFlag(Info.clGetMemObjectInfoLong(buffer, CL10.CL_MEM_FLAGS));
}
@Override
public void read(CommandQueue queue, ByteBuffer dest, long size, long offset) {
//Note: LWJGL does not support the size parameter, I have to set the buffer limit
dest.limit((int) (dest.position() + size));
int ret = CL10.clEnqueueReadBuffer(((LwjglCommandQueue)queue).getQueue(),
buffer, CL10.CL_TRUE, offset, dest, null, null);
Utils.checkError(ret, "clEnqueueReadBuffer");
}
@Override
public Event readAsync(CommandQueue queue, ByteBuffer dest, long size, long offset) {
//Note: LWJGL does not support the size parameter, I have to set the buffer limit
dest.limit((int) (dest.position() + size));
Utils.pointerBuffers[0].rewind();
long q = ((LwjglCommandQueue)queue).getQueue();
int ret = CL10.clEnqueueReadBuffer(q, buffer, CL10.CL_FALSE, offset, dest, null, Utils.pointerBuffers[0]);
Utils.checkError(ret, "clEnqueueReadBuffer");
long event = Utils.pointerBuffers[0].get(0);
return new LwjglEvent(event);
}
@Override
public void write(CommandQueue queue, ByteBuffer src, long size, long offset) {
//Note: LWJGL does not support the size parameter, I have to set the buffer limit
src.limit((int) (src.position() + size));
long q = ((LwjglCommandQueue)queue).getQueue();
int ret = CL10.clEnqueueWriteBuffer(q, buffer, CL10.CL_TRUE, offset, src, null, null);
Utils.checkError(ret, "clEnqueueWriteBuffer");
}
@Override
public Event writeAsync(CommandQueue queue, ByteBuffer src, long size, long offset) {
//Note: LWJGL does not support the size parameter, I have to set the buffer limit
src.limit((int) (src.position() + size));
Utils.pointerBuffers[0].rewind();
long q = ((LwjglCommandQueue)queue).getQueue();
int ret = CL10.clEnqueueWriteBuffer(q, buffer, CL10.CL_FALSE, offset, src, null, Utils.pointerBuffers[0]);
Utils.checkError(ret, "clEnqueueWriteBuffer");
long event = Utils.pointerBuffers[0].get(0);
return new LwjglEvent(event);
}
@Override
public void copyTo(CommandQueue queue, Buffer dest, long size, long srcOffset, long destOffset) {
long q = ((LwjglCommandQueue)queue).getQueue();
Utils.pointerBuffers[0].rewind();
int ret = CL10.clEnqueueCopyBuffer(q, buffer, ((LwjglBuffer) dest).buffer, srcOffset, destOffset, size, null, Utils.pointerBuffers[0]);
Utils.checkError(ret, "clEnqueueCopyBuffer");
long event = Utils.pointerBuffers[0].get(0);
ret = CL10.clWaitForEvents(event);
Utils.checkError(ret, "clWaitForEvents");
}
@Override
public Event copyToAsync(CommandQueue queue, Buffer dest, long size, long srcOffset, long destOffset) {
long q = ((LwjglCommandQueue)queue).getQueue();
Utils.pointerBuffers[0].rewind();
int ret = CL10.clEnqueueCopyBuffer(q, buffer, ((LwjglBuffer) dest).buffer, srcOffset, destOffset, size, null, Utils.pointerBuffers[0]);
Utils.checkError(ret, "clEnqueueCopyBuffer");
long event = Utils.pointerBuffers[0].get(0);
return new LwjglEvent(event);
}
@Override
public ByteBuffer map(CommandQueue queue, long size, long offset, MappingAccess access) {
long q = ((LwjglCommandQueue) queue).getQueue();
long flags = Utils.getMappingAccessFlags(access);
Utils.errorBuffer.rewind();
ByteBuffer b = CL10.clEnqueueMapBuffer(q, buffer, CL10.CL_TRUE, flags, offset, size, null, null, Utils.errorBuffer, null);
Utils.checkError(Utils.errorBuffer, "clEnqueueMapBuffer");
return b;
}
@Override
public void unmap(CommandQueue queue, ByteBuffer ptr) {
ptr.position(0);
long q = ((LwjglCommandQueue) queue).getQueue();
Utils.pointerBuffers[0].rewind();
int ret = CL10.clEnqueueUnmapMemObject(q, buffer, ptr, null, Utils.pointerBuffers[0]);
Utils.checkError(ret, "clEnqueueUnmapMemObject");
long event = Utils.pointerBuffers[0].get(0);
ret = CL10.clWaitForEvents(event);
Utils.checkError(ret, "clWaitForEvents");
}
@Override
public com.jme3.opencl.Buffer.AsyncMapping mapAsync(CommandQueue queue, long size, long offset, MappingAccess access) {
Utils.pointerBuffers[0].rewind();
Utils.errorBuffer.rewind();
long q = ((LwjglCommandQueue) queue).getQueue();
long flags = Utils.getMappingAccessFlags(access);
ByteBuffer buf = CL10.clEnqueueMapBuffer(q, buffer, CL10.CL_FALSE, flags, offset, size, null, Utils.pointerBuffers[0], Utils.errorBuffer, null);
Utils.checkError(Utils.errorBuffer, "clEnqueueMapBuffer");
long event = Utils.pointerBuffers[0].get(0);
return new com.jme3.opencl.Buffer.AsyncMapping(new LwjglEvent(event), buf);
}
@Override
public Event fillAsync(CommandQueue queue, ByteBuffer pattern, long size, long offset) {
Utils.pointerBuffers[0].rewind();
long q = ((LwjglCommandQueue) queue).getQueue();
int ret = CL12.clEnqueueFillBuffer(q, buffer, pattern, offset, size, null, Utils.pointerBuffers[0]);
Utils.checkError(ret, "clEnqueueFillBuffer");
long event = Utils.pointerBuffers[0].get(0);
return new LwjglEvent(event);
}
@Override
public Event copyToImageAsync(CommandQueue queue, Image dest, long srcOffset, long[] destOrigin, long[] destRegion) {
if (destOrigin.length!=3 || destRegion.length!=3) {
throw new IllegalArgumentException("origin and region must both be arrays of length 3");
}
Utils.pointerBuffers[0].rewind();
Utils.pointerBuffers[1].rewind();
Utils.pointerBuffers[2].rewind();
Utils.pointerBuffers[1].put(destOrigin).position(0);
Utils.pointerBuffers[2].put(destRegion).position(0);
long q = ((LwjglCommandQueue) queue).getQueue();
int ret = CL10.clEnqueueCopyBufferToImage(q, buffer, ((LwjglImage) dest).getImage(),
srcOffset, Utils.pointerBuffers[1], Utils.pointerBuffers[2], null, Utils.pointerBuffers[0]);
Utils.checkError(ret, "clEnqueueCopyBufferToImage");
long event = Utils.pointerBuffers[0].get(0);
return new LwjglEvent(event);
}
@Override
public Event acquireBufferForSharingAsync(CommandQueue queue) {
Utils.pointerBuffers[0].rewind();
long q = ((LwjglCommandQueue) queue).getQueue();
int ret = CL10GL.clEnqueueAcquireGLObjects(q, buffer, null, Utils.pointerBuffers[0]);
Utils.checkError(ret, "clEnqueueAcquireGLObjects");
long event = Utils.pointerBuffers[0].get(0);
return new LwjglEvent(event);
}
@Override
public void acquireBufferForSharingNoEvent(CommandQueue queue) {
long q = ((LwjglCommandQueue) queue).getQueue();
int ret = CL10GL.clEnqueueAcquireGLObjects(q, buffer, null, null);
Utils.checkError(ret, "clEnqueueAcquireGLObjects");
}
@Override
public Event releaseBufferForSharingAsync(CommandQueue queue) {
Utils.assertSharingPossible();
Utils.pointerBuffers[0].rewind();
long q = ((LwjglCommandQueue) queue).getQueue();
int ret = CL10GL.clEnqueueReleaseGLObjects(q, buffer, null, Utils.pointerBuffers[0]);
Utils.checkError(ret, "clEnqueueReleaseGLObjects");
long event = Utils.pointerBuffers[0].get(0);
return new LwjglEvent(event);
}
@Override
public void releaseBufferForSharingNoEvent(CommandQueue queue) {
Utils.assertSharingPossible();
long q = ((LwjglCommandQueue) queue).getQueue();
int ret = CL10GL.clEnqueueReleaseGLObjects(q, buffer, null, null);
Utils.checkError(ret, "clEnqueueReleaseGLObjects");
}
private static class ReleaserImpl implements ObjectReleaser {
private long mem;
private ReleaserImpl(long mem) {
this.mem = mem;
}
@Override
public void release() {
if (mem != 0) {
int ret = CL10.clReleaseMemObject(mem);
mem = 0;
Utils.reportError(ret, "clReleaseMemObject");
}
}
}
}