package com.mbien.opencl; import com.jogamp.gluegen.runtime.PointerBuffer; import java.nio.Buffer; import static com.mbien.opencl.CL.*; /** * * @author Michael Bien */ public abstract class CLImage<B extends Buffer> extends CLMemory<B> { protected CLImageFormat format; final CLInfoAccessor imageInfo; public final int width; public final int height; protected CLImage(CLContext context, B directBuffer, CLImageFormat format, int width, int height, long id, int flags) { this(context, directBuffer, format, new CLImageInfoAccessor(context.cl, id), width, height, id, flags); } protected CLImage(CLContext context, B directBuffer, CLImageFormat format, CLImageInfoAccessor accessor, int width, int height, long id, int flags) { super(context, directBuffer, id, flags); this.imageInfo = accessor; this.format = format; this.width = width; this.height = height; } 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. */ 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 CLInfoAccessor { private final long id; private final CL cl; public CLImageInfoAccessor(CL cl, long id) { this.cl = cl; this.id = id; } @Override public int getInfo(int name, long valueSize, Buffer value, PointerBuffer valueSizeRet) { return cl.clGetImageInfo(id, name, valueSize, value, valueSizeRet); } } }