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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 jogamp.nativewindow.x11;
import com.jogamp.nativewindow.AbstractGraphicsConfiguration;
import com.jogamp.nativewindow.AbstractGraphicsScreen;
import com.jogamp.nativewindow.CapabilitiesChooser;
import com.jogamp.nativewindow.CapabilitiesImmutable;
import com.jogamp.nativewindow.GraphicsConfigurationFactory;
import com.jogamp.nativewindow.NativeWindowException;
import com.jogamp.nativewindow.VisualIDHolder;
import com.jogamp.nativewindow.x11.X11GraphicsConfiguration;
import com.jogamp.nativewindow.x11.X11GraphicsDevice;
import com.jogamp.nativewindow.x11.X11GraphicsScreen;
public class X11GraphicsConfigurationFactory extends GraphicsConfigurationFactory {
public static void registerFactory() {
GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.x11.X11GraphicsDevice.class, CapabilitiesImmutable.class, new X11GraphicsConfigurationFactory());
}
private X11GraphicsConfigurationFactory() {
}
@Override
protected AbstractGraphicsConfiguration chooseGraphicsConfigurationImpl(
final CapabilitiesImmutable capsChosen, final CapabilitiesImmutable capsRequested, final CapabilitiesChooser chooser, final AbstractGraphicsScreen screen, final int nativeVisualID)
throws IllegalArgumentException, NativeWindowException {
if(!(screen instanceof X11GraphicsScreen)) {
throw new NativeWindowException("Only valid X11GraphicsScreen are allowed");
}
final XVisualInfo x11VisualInfo;
if(VisualIDHolder.VID_UNDEFINED == nativeVisualID) {
x11VisualInfo = getXVisualInfo(screen, capsChosen);
} else {
x11VisualInfo = getXVisualInfo(screen, nativeVisualID);
}
final X11Capabilities x11CapsChosen = X11GraphicsConfiguration.XVisualInfo2X11Capabilities((X11GraphicsDevice)screen.getDevice(), x11VisualInfo);
final AbstractGraphicsConfiguration res = new X11GraphicsConfiguration((X11GraphicsScreen)screen, x11CapsChosen, capsRequested, x11CapsChosen.getXVisualInfo());
if(DEBUG) {
System.err.println("X11GraphicsConfigurationFactory.chooseGraphicsConfigurationImpl(visualID 0x"+Integer.toHexString(nativeVisualID)+", "+x11VisualInfo+", "+screen+","+capsChosen+"): "+res);
}
return res;
}
public static XVisualInfo getXVisualInfo(final AbstractGraphicsScreen screen, final int visualID)
{
final XVisualInfo xvi_temp = XVisualInfo.create();
xvi_temp.setVisualid(visualID);
xvi_temp.setScreen(screen.getIndex());
final int num[] = { -1 };
final long display = screen.getDevice().getHandle();
final XVisualInfo[] xvis = X11Lib.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(final AbstractGraphicsScreen screen, final CapabilitiesImmutable capabilities)
{
final XVisualInfo xv = getXVisualInfoImpl(screen, capabilities, 4 /* TrueColor */);
if(null!=xv) return xv;
return getXVisualInfoImpl(screen, capabilities, 5 /* DirectColor */);
}
private static XVisualInfo getXVisualInfoImpl(final AbstractGraphicsScreen screen, final CapabilitiesImmutable capabilities, final int c_class)
{
XVisualInfo ret = null;
final int[] num = { -1 };
final XVisualInfo vinfo_template = XVisualInfo.create();
vinfo_template.setScreen(screen.getIndex());
vinfo_template.setC_class(c_class);
final long display = screen.getDevice().getHandle();
final XVisualInfo[] vinfos = X11Lib.XGetVisualInfo(display, X11Lib.VisualScreenMask, vinfo_template, num, 0);
XVisualInfo best=null;
final 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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