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package com.mbien.opencl.gl;
import com.mbien.opencl.CL;
import com.mbien.opencl.CLContext;
import com.mbien.opencl.CLGLI;
import com.mbien.opencl.CLImage2d;
import com.mbien.opencl.CLImageFormat;
import com.mbien.opencl.CLMemory.GLObjectType;
import com.mbien.opencl.impl.CLImageFormatImpl;
import java.nio.Buffer;
import static com.mbien.opencl.CL.*;
/**
* 2D OpenCL image representing an OpenGL renderbuffer.
* @author Michael Bien
*/
public class CLGLImage2d<B extends Buffer> extends CLImage2d<B> implements CLGLObject {
/**
* The OpenGL object handle.
*/
public final int GLID;
protected CLGLImage2d(CLContext context, B directBuffer, CLImageFormat format, CLImageInfoAccessor accessor, int width, int height, long id, int glid) {
super(context, directBuffer, format, accessor, width, height, id);
this.GLID = glid;
}
static <B extends Buffer> CLGLImage2d<B> createFromGLRenderbuffer(CLContext context, B directBuffer, int flags, int glObject) {
CLGLBuffer.checkBuffer(directBuffer, flags);
CL cl = getCL(context);
int[] result = new int[1];
CLGLI clgli = (CLGLI)cl;
long id = clgli.clCreateFromGLRenderbuffer(context.ID, flags, glObject, result, 0);
return createImage(context, id, directBuffer, glObject);
}
static <B extends Buffer> CLGLImage2d<B> createImage(CLContext context, long id, B directBuffer, int glObject) {
CLImageInfoAccessor accessor = new CLImageInfoAccessor(getCL(context), id);
CLImageFormat format = createUninitializedImageFormat();
accessor.getInfo(CL_IMAGE_FORMAT, CLImageFormatImpl.size(), format.getFormatImpl().getBuffer(), null);
int width = (int)accessor.getLong(CL_IMAGE_WIDTH);
int height = (int)accessor.getLong(CL_IMAGE_HEIGHT);
return new CLGLImage2d<B>(context, directBuffer, format, accessor, width, height, id, glObject);
}
@Override
public GLObjectType getGLObjectType() {
return GLObjectType.GL_OBJECT_RENDERBUFFER;
}
@Override
public int getGLObjectID() {
return GLID;
}
}
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