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/*
* Copyright (c) 2009 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.
*/
package com.jogamp.opencl;
import com.jogamp.common.nio.PointerBuffer;
import com.jogamp.opencl.impl.CLTLInfoAccessor;
import com.jogamp.opencl.llb.CL;
import java.nio.Buffer;
import static com.jogamp.opencl.llb.CL.*;
/**
*
* @author Michael Bien, et al.
*/
public abstract class CLImage<B extends Buffer> extends CLMemory<B> {
protected CLImageFormat format;
final CLTLInfoAccessor imageInfo;
public final int width;
public final int height;
protected CLImage(final CLContext context, final B directBuffer, final CLImageFormat format, final int width, final int height, final long id, final int flags) {
this(context, directBuffer, format, createAccessor(context, id), width, height, id, flags);
}
protected CLImage(final CLContext context, final B directBuffer, final CLImageFormat format, final CLImageInfoAccessor accessor, final int width, final int height, final long id, final int flags) {
super(context, directBuffer, getSizeImpl(context, id), id, flags);
this.imageInfo = accessor;
this.format = format;
this.width = width;
this.height = height;
}
private static CLImageInfoAccessor createAccessor(final CLContext context, final long id) {
return new CLImageInfoAccessor(context.getPlatform().getCLBinding(), id);
}
protected static CLImageFormat createUninitializedImageFormat() {
return new CLImageFormat();
}
/**
* Returns the image format descriptor specified when image was created.
*/
public CLImageFormat getFormat() {
return format;
}
/**
* Returns the size of each element of the image memory object given by image.
* An element is made up of n channels. The value of n is given in {@link CLImageFormat} descriptor.
*/
@Override
public int getElementSize() {
return (int)imageInfo.getLong(CL_IMAGE_ELEMENT_SIZE);
}
/**
* Returns the size in bytes of a row of elements of the image object given by image.
*/
public int getRowPitch() {
return (int)imageInfo.getLong(CL_IMAGE_ROW_PITCH);
}
/**
* Returns width of this image in pixels.
*/
public int getWidth() {
return width;
}
/**
* Returns the height of this image in pixels.
*/
public int getHeight() {
return height;
}
protected final static class CLImageInfoAccessor extends CLTLInfoAccessor {
private final long id;
private final CL cl;
public CLImageInfoAccessor(final CL cl, final long id) {
this.cl = cl;
this.id = id;
}
@Override
public int getInfo(final int name, final long valueSize, final Buffer value, final PointerBuffer valueSizeRet) {
return cl.clGetImageInfo(id, name, valueSize, value, valueSizeRet);
}
}
}
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