Package com.jogamp.opencl

Source Code of com.jogamp.opencl.CLUserEvent

/*
* Copyright 2009 - 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 Wednesday, June 16 2010 18:05
*/

package com.jogamp.opencl;

import static com.jogamp.opencl.CLException.*;
import static com.jogamp.opencl.llb.CL.*;
import com.jogamp.opencl.llb.CLEventBinding;

/**
* Custom, user controlled event.
* @see CLEvent
* @author Michael Bien
*/
public class CLUserEvent extends CLEvent {

    CLUserEvent(CLContext context, long ID) {
        super(context, ID);
    }

    /**
     * Creates a new user event.
     */
    public static CLUserEvent create(CLContext context) {
        CLEventBinding binding = context.getPlatform().getEventBinding();
        int[] error = new int[1];
        long ID = binding.clCreateUserEvent(context.ID, error, 0);
        checkForError(error[0], "can not create user event.");
        return new CLUserEvent(context, ID);
    }

    /**
     * Sets the event execution status.
     * Calls {@native clSetUserEventStatus}.
     */
    public CLUserEvent setStatus(CLEvent.ExecutionStatus status) {
        CLEventBinding binding = getPlatform().getEventBinding();
        int err = binding.clSetUserEventStatus(ID, status.STATUS);
        if(err != CL_SUCCESS) {
            newException(err, "can not set status "+status);
        }
        return this;
    }

    /**
     * Sets this event's status to {@link CLEvent.ExecutionStatus#COMPLETE}.
     * @see #setStatus(com.jogamp.opencl.CLEvent.ExecutionStatus)
     */
    public CLUserEvent setComplete() {
        return setStatus(ExecutionStatus.COMPLETE);
    }

    /**
     * Returns {@link CLEvent.CommandType#USER}.
     */
    @Override
    public CommandType getType() {
        return CommandType.USER;
    }

}
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