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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.x11.glx;
import javax.media.opengl.*;
import javax.media.nativewindow.*;
public class X11PbufferGLXDrawable extends X11GLXDrawable {
protected X11PbufferGLXDrawable(GLDrawableFactory factory, NativeSurface target) {
/* GLCapabilities caps,
GLCapabilitiesChooser chooser,
int width, int height */
super(factory, target, false);
setRealized(true);
if (DEBUG) {
System.err.println("Created pbuffer " + this);
}
}
protected void destroyImpl() {
setRealized(false);
}
protected void setRealizedImpl() {
if(realized) {
createPbuffer();
} else {
destroyPbuffer();
}
}
public GLContext createContext(GLContext shareWith) {
return new X11PbufferGLXContext(this, shareWith);
}
protected void destroyPbuffer() {
NativeSurface ns = getNativeSurface();
if (ns.getSurfaceHandle() != 0) {
GLX.glXDestroyPbuffer(ns.getDisplayHandle(), ns.getSurfaceHandle());
}
((SurfaceChangeable)ns).setSurfaceHandle(0);
}
private void createPbuffer() {
X11GLXGraphicsConfiguration config = (X11GLXGraphicsConfiguration) getNativeSurface().getGraphicsConfiguration();
AbstractGraphicsScreen aScreen = config.getScreen();
AbstractGraphicsDevice aDevice = aScreen.getDevice();
long display = aDevice.getHandle();
if (DEBUG) {
System.out.println("Pbuffer config: " + config);
}
if (display==0) {
throw new GLException("Null display");
}
NativeSurface ns = getNativeSurface();
GLCapabilitiesImmutable chosenCaps = (GLCapabilitiesImmutable)config.getChosenCapabilities();
if (chosenCaps.getPbufferRenderToTexture()) {
throw new GLException("Render-to-texture pbuffers not supported yet on X11");
}
if (chosenCaps.getPbufferRenderToTextureRectangle()) {
throw new GLException("Render-to-texture-rectangle pbuffers not supported yet on X11");
}
// Create the p-buffer.
int niattribs = 0;
int[] iattributes = new int[5];
iattributes[niattribs++] = GLX.GLX_PBUFFER_WIDTH;
iattributes[niattribs++] = ns.getWidth();
iattributes[niattribs++] = GLX.GLX_PBUFFER_HEIGHT;
iattributes[niattribs++] = ns.getHeight();
iattributes[niattribs++] = 0;
long pbuffer = GLX.glXCreatePbuffer(display, config.getFBConfig(), iattributes, 0);
if (pbuffer == 0) {
// FIXME: query X error code for detail error message
throw new GLException("pbuffer creation error: glXCreatePbuffer() failed");
}
// Set up instance variables
((SurfaceChangeable)ns).setSurfaceHandle(pbuffer);
// Determine the actual width and height we were able to create.
int[] tmp = new int[1];
GLX.glXQueryDrawable(display, pbuffer, GLX.GLX_WIDTH, tmp, 0);
int width = tmp[0];
GLX.glXQueryDrawable(display, pbuffer, GLX.GLX_HEIGHT, tmp, 0);
int height = tmp[0];
((SurfaceChangeable)ns).surfaceSizeChanged(width, height);
}
public int getFloatingPointMode() {
// Floating-point pbuffers currently require NVidia hardware on X11
return GLPbuffer.NV_FLOAT;
}
}
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