112 lines
3.4 KiB
Java
112 lines
3.4 KiB
Java
/*
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* Copyright (c) 2002-2010 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.opencl;
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import org.lwjgl.PointerBuffer;
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/**
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* This class is a wrapper around a cl_command_queue pointer.
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*
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* @author Spasi
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*/
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public final class CLCommandQueue extends CLObjectChild<CLContext> {
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private static final InfoUtil<CLCommandQueue> util = CLPlatform.getInfoUtilInstance(CLCommandQueue.class, "CL_COMMAND_QUEUE_UTIL");
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private final CLDevice device;
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private final CLObjectRegistry<CLEvent> clEvents;
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CLCommandQueue(final long pointer, final CLContext context, final CLDevice device) {
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super(pointer, context);
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if ( isValid() ) {
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this.device = device;
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this.clEvents = new CLObjectRegistry<CLEvent>();
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context.getCLCommandQueueRegistry().registerObject(this);
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} else {
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this.device = null;
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this.clEvents = null;
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}
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}
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public CLDevice getCLDevice() {
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return device;
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}
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/**
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* Returns a CLEvent associated with this command-queue.
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*
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* @param id the event object id
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*
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* @return the CLEvent object
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*/
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public CLEvent getCLEvent(final long id) {
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return clEvents.getObject(id);
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}
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// ---------------[ UTILITY METHODS ]---------------
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/**
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* Returns the integer value of the specified parameter.
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*
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* @param param_name the parameter
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*
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* @return the parameter value
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*/
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public int getInfoInt(int param_name) {
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return util.getInfoInt(this, param_name);
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}
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// -------[ IMPLEMENTATION STUFF BELOW ]-------
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CLObjectRegistry<CLEvent> getCLEventRegistry() { return clEvents; }
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/**
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* Called from OpenCL methods that generate CLEvents.
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*
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* @param event a buffer containing a CLEvent pointer.
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*/
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void registerCLEvent(final PointerBuffer event) {
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if ( event != null )
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new CLEvent(event.get(event.position()), this);
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}
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int release() {
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try {
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return super.release();
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} finally {
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if ( !isValid() )
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getParent().getCLCommandQueueRegistry().unregisterObject(this);
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}
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}
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} |