/*
* 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.
*/
package com.jogamp.opencl.gl;
import com.jogamp.opencl.llb.CL;
import com.jogamp.opencl.CLContext;
import com.jogamp.opencl.CLImageFormat;
import com.jogamp.opencl.llb.impl.CLImageFormatImpl;
import com.jogamp.opencl.llb.gl.CLGL;
import java.nio.Buffer;
import static com.jogamp.opencl.CLException.*;
import static com.jogamp.opencl.llb.CL.*;
/**
* 2D OpenCL image representing an 2D OpenGL texture.
* @author Michael Bien
*/
public class CLGLTexture2d<B extends Buffer> extends CLGLImage2d<B> implements CLGLTexture {
public final int target;
public final int mipMapLevel;
public CLGLTexture2d(CLContext context, B directBuffer, CLImageFormat format, CLImageInfoAccessor accessor, int target, int mipLevel, int width, int height, long id, int glid, int flags) {
super(context, directBuffer, format, accessor, width, height, id, glid, flags);
this.target = target;
this.mipMapLevel = mipLevel;
}
static <B extends Buffer> CLGLTexture2d<B> createFromGLTexture2d(CLContext context, B directBuffer, int target, int texture, int mipLevel, int flags) {
CLGLBuffer.checkBuffer(directBuffer, flags);
CL cl = getCL(context);
int[] result = new int[1];
CLGL clgli = (CLGL)cl;
long id = clgli.clCreateFromGLTexture2D(context.ID, flags, target, mipLevel, texture, result, 0);
checkForError((int)id, "can not share memory with texture #"+texture+".");
CLImageInfoAccessor accessor = new CLImageInfoAccessor(cl, 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 CLGLTexture2d<B>(context, directBuffer, format, accessor, target, mipLevel, width, height, id, texture, flags);
}
@Override
public int getTextureTarget() {
return target;
}
@Override
public int getMipMapLevel() {
return mipMapLevel;
}
@Override
public GLObjectType getGLObjectType() {
return GLObjectType.GL_OBJECT_TEXTURE2D;
}
}