/** * Copyright 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 jogamp.opengl; import java.util.List; import javax.media.nativewindow.CapabilitiesChooser; import javax.media.nativewindow.CapabilitiesImmutable; import javax.media.nativewindow.GraphicsConfigurationFactory; import javax.media.nativewindow.NativeWindowException; import javax.media.opengl.DefaultGLCapabilitiesChooser; public abstract class GLGraphicsConfigurationFactory extends GraphicsConfigurationFactory { protected static int chooseCapabilities(CapabilitiesChooser chooser, CapabilitiesImmutable capsRequested, List /*<CapabilitiesImmutable>*/ availableCaps, int recommendedIndex) { if (null == capsRequested) { throw new NativeWindowException("Null requested capabilities"); } if ( 0 == availableCaps.size() ) { if (DEBUG) { System.err.println("Empty available capabilities"); } return -1; // none available } if(null == chooser && 0 <= recommendedIndex && capsRequested.isBackgroundOpaque()) { if (DEBUG) { System.err.println("chooseCapabilities: Using recommendedIndex (opaque): idx " + recommendedIndex); } return recommendedIndex; } int chosenIndex = recommendedIndex; if (null == chooser) { chooser = new DefaultGLCapabilitiesChooser(); } try { chosenIndex = chooser.chooseCapabilities(capsRequested, availableCaps, recommendedIndex); if(0 <= chosenIndex) { if (DEBUG) { System.err.println("chooseCapabilities: Chosen idx " + chosenIndex); } return chosenIndex; } } catch (NativeWindowException e) { if (DEBUG) { e.printStackTrace(); } } // keep on going .. // seek first available one .. for (chosenIndex = 0; chosenIndex < availableCaps.size() && availableCaps.get(chosenIndex) == null; chosenIndex++) { // nop } if (chosenIndex == availableCaps.size()) { // give up .. if (DEBUG) { System.err.println("chooseCapabilities: Failed .. nothing available, bail out"); } return -1; } if (DEBUG) { System.err.println("chooseCapabilities: Fall back to 1st available idx " + chosenIndex); } return chosenIndex; } }