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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
* Copyright (c) 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:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution 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.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
* Sun gratefully acknowledges that this software was originally authored
* and developed by Kenneth Bradley Russell and Christopher John Kline.
*/
package jogamp.opengl.egl;
import javax.media.nativewindow.AbstractGraphicsConfiguration;
import javax.media.nativewindow.NativeSurface;
import javax.media.nativewindow.SurfaceChangeable;
import javax.media.opengl.GLCapabilitiesImmutable;
import javax.media.opengl.GLContext;
import javax.media.opengl.GLException;
public class EGLPbufferDrawable extends EGLDrawable {
private int texFormat;
protected static final boolean useTexture = false; // No yet ..
protected EGLPbufferDrawable(EGLDrawableFactory factory, NativeSurface target) {
super(factory, target);
}
@Override
protected long createSurface(long eglDpy, long eglNativeCfg, long surfaceHandle) {
final AbstractGraphicsConfiguration config = getNativeSurface().getGraphicsConfiguration();
final GLCapabilitiesImmutable caps = (GLCapabilitiesImmutable) config.getChosenCapabilities();
if(useTexture) {
texFormat = caps.getAlphaBits() > 0 ? EGL.EGL_TEXTURE_RGBA : EGL.EGL_TEXTURE_RGB ;
} else {
texFormat = EGL.EGL_NO_TEXTURE;
}
if (DEBUG) {
System.out.println("Pbuffer config: " + config);
}
NativeSurface nw = getNativeSurface();
int[] attrs = EGLGraphicsConfiguration.CreatePBufferSurfaceAttribList(nw.getWidth(), nw.getHeight(), texFormat);
long surf = EGL.eglCreatePbufferSurface(eglDpy, eglNativeCfg, attrs, 0);
if (EGL.EGL_NO_SURFACE==surf) {
throw new GLException("Creation of window surface (eglCreatePbufferSurface) failed, dim "+nw.getWidth()+"x"+nw.getHeight()+", error 0x"+Integer.toHexString(EGL.eglGetError()));
} else if(DEBUG) {
System.err.println("PBuffer setSurface result: eglSurface 0x"+Long.toHexString(surf));
}
((SurfaceChangeable)nw).setSurfaceHandle(surf);
return surf;
}
@Override
public GLContext createContext(GLContext shareWith) {
return new EGLPbufferContext(this, shareWith);
}
}
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