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/*
* Copyright (c) 2008 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.
*/
package com.jogamp.nativewindow.impl.x11;
import javax.media.nativewindow.*;
import javax.media.nativewindow.x11.*;
public class X11GraphicsConfigurationFactory extends GraphicsConfigurationFactory {
protected AbstractGraphicsConfiguration chooseGraphicsConfigurationImpl(
CapabilitiesImmutable capsChosen, CapabilitiesImmutable capsRequested, CapabilitiesChooser chooser, AbstractGraphicsScreen screen)
throws IllegalArgumentException, NativeWindowException {
if(!(screen instanceof X11GraphicsScreen)) {
throw new NativeWindowException("Only valid X11GraphicsScreen are allowed");
}
return new X11GraphicsConfiguration((X11GraphicsScreen)screen, capsChosen, capsRequested, getXVisualInfo(screen, capsChosen));
}
public static XVisualInfo getXVisualInfo(AbstractGraphicsScreen screen, long visualID)
{
XVisualInfo xvi_temp = XVisualInfo.create();
xvi_temp.setVisualid(visualID);
xvi_temp.setScreen(screen.getIndex());
int num[] = { -1 };
long display = screen.getDevice().getHandle();
XVisualInfo[] xvis = X11Util.XGetVisualInfo(display, X11Lib.VisualIDMask|X11Lib.VisualScreenMask, xvi_temp, num, 0);
if(xvis==null || num[0]<1) {
return null;
}
return XVisualInfo.create(xvis[0]);
}
public static XVisualInfo getXVisualInfo(AbstractGraphicsScreen screen, CapabilitiesImmutable capabilities)
{
XVisualInfo xv = getXVisualInfoImpl(screen, capabilities, 4 /* TrueColor */);
if(null!=xv) return xv;
return getXVisualInfoImpl(screen, capabilities, 5 /* DirectColor */);
}
private static XVisualInfo getXVisualInfoImpl(AbstractGraphicsScreen screen, CapabilitiesImmutable capabilities, int c_class)
{
XVisualInfo ret = null;
int[] num = { -1 };
XVisualInfo vinfo_template = XVisualInfo.create();
vinfo_template.setScreen(screen.getIndex());
vinfo_template.setC_class(c_class);
long display = screen.getDevice().getHandle();
XVisualInfo[] vinfos = X11Util.XGetVisualInfo(display, X11Lib.VisualScreenMask, vinfo_template, num, 0);
XVisualInfo best=null;
int rdepth = capabilities.getRedBits() + capabilities.getGreenBits() + capabilities.getBlueBits() + capabilities.getAlphaBits();
for (int i = 0; vinfos!=null && i < num[0]; i++) {
if ( best == null ||
best.getDepth() < vinfos[i].getDepth() )
{
best = vinfos[i];
if(rdepth <= best.getDepth())
break;
}
}
if ( null!=best && ( rdepth <= best.getDepth() || 24 == best.getDepth()) ) {
ret = XVisualInfo.create(best);
}
best = null;
return ret;
}
}
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