/* * 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.opengl.egl; import java.io.PrintStream; import java.nio.IntBuffer; import java.util.ArrayList; import java.util.Collections; import java.util.List; import com.jogamp.nativewindow.AbstractGraphicsConfiguration; import com.jogamp.nativewindow.AbstractGraphicsDevice; import com.jogamp.nativewindow.AbstractGraphicsScreen; import com.jogamp.nativewindow.CapabilitiesChooser; import com.jogamp.nativewindow.CapabilitiesImmutable; import com.jogamp.nativewindow.GraphicsConfigurationFactory; import com.jogamp.nativewindow.NativeWindowFactory; import com.jogamp.nativewindow.VisualIDHolder; import com.jogamp.nativewindow.VisualIDHolder.VIDType; import com.jogamp.opengl.GLCapabilities; import com.jogamp.opengl.GLCapabilitiesChooser; import com.jogamp.opengl.GLCapabilitiesImmutable; import com.jogamp.opengl.GLContext; import com.jogamp.opengl.GLDrawableFactory; import com.jogamp.opengl.GLException; import com.jogamp.opengl.GLProfile; import jogamp.opengl.GLGraphicsConfigurationFactory; import jogamp.opengl.GLGraphicsConfigurationUtil; import com.jogamp.common.nio.Buffers; import com.jogamp.common.nio.PointerBuffer; import com.jogamp.nativewindow.egl.EGLGraphicsDevice; import com.jogamp.opengl.GLRendererQuirks; import com.jogamp.opengl.egl.EGL; /** Subclass of GraphicsConfigurationFactory used when non-AWT tookits are used on X11 platforms. Toolkits will likely need to delegate to this one to change the accepted and returned types of the GraphicsDevice and GraphicsConfiguration abstractions. */ public class EGLGraphicsConfigurationFactory extends GLGraphicsConfigurationFactory { static VisualIDHolder.VIDComparator EglCfgIDComparator = new VisualIDHolder.VIDComparator(VisualIDHolder.VIDType.EGL_CONFIG); static GraphicsConfigurationFactory nativeGraphicsConfigurationFactory = null; static GraphicsConfigurationFactory kdeglGraphicsConfigurationFactory = null; static GraphicsConfigurationFactory fallbackGraphicsConfigurationFactory = null; static void registerFactory() { final GraphicsConfigurationFactory eglFactory = new EGLGraphicsConfigurationFactory(); // become the pre-selector for X11/.. to match the native visual id w/ EGL, if native ES is selected final String nwType = NativeWindowFactory.getNativeWindowType(false); if(NativeWindowFactory.TYPE_X11 == nwType) { nativeGraphicsConfigurationFactory = GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.x11.X11GraphicsDevice.class, GLCapabilitiesImmutable.class, eglFactory); if(null != nativeGraphicsConfigurationFactory) { fallbackGraphicsConfigurationFactory = nativeGraphicsConfigurationFactory; } else { fallbackGraphicsConfigurationFactory = GraphicsConfigurationFactory.getFactory(com.jogamp.nativewindow.x11.X11GraphicsDevice.class, CapabilitiesImmutable.class); } } /* else if(NativeWindowFactory.TYPE_WINDOWS == NativeWindowFactory.getNativeWindowType(false)) { nativeGraphicsConfigurationFactory = GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.windows.WindowsGraphicsDevice.class, eglFactory); } else if(NativeWindowFactory.TYPE_MACOSX == NativeWindowFactory.getNativeWindowType(false)) { } */ // become the selector for KD/EGL .. kdeglGraphicsConfigurationFactory = GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.egl.EGLGraphicsDevice.class, GLCapabilitiesImmutable.class, eglFactory); } static void unregisterFactory() { final String nwType = NativeWindowFactory.getNativeWindowType(false); if(NativeWindowFactory.TYPE_X11 == nwType) { GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.x11.X11GraphicsDevice.class, GLCapabilitiesImmutable.class, nativeGraphicsConfigurationFactory); } /* else if(NativeWindowFactory.TYPE_WINDOWS == NativeWindowFactory.getNativeWindowType(false)) { GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.windows.WindowsGraphicsDevice.class, nativeGraphicsConfigurationFactory); } else if(NativeWindowFactory.TYPE_MACOSX == NativeWindowFactory.getNativeWindowType(false)) { } */ nativeGraphicsConfigurationFactory = null; fallbackGraphicsConfigurationFactory = null; GraphicsConfigurationFactory.registerFactory(com.jogamp.nativewindow.egl.EGLGraphicsDevice.class, GLCapabilitiesImmutable.class, kdeglGraphicsConfigurationFactory); kdeglGraphicsConfigurationFactory = null; } private EGLGraphicsConfigurationFactory() { } @Override protected AbstractGraphicsConfiguration chooseGraphicsConfigurationImpl ( final CapabilitiesImmutable capsChosen, final CapabilitiesImmutable capsRequested, final CapabilitiesChooser chooser, final AbstractGraphicsScreen absScreen, final int nativeVisualID) { if (absScreen == null) { throw new IllegalArgumentException("This NativeWindowFactory accepts only AbstractGraphicsDevice objects"); } if (! (capsChosen instanceof GLCapabilitiesImmutable) ) { throw new IllegalArgumentException("This NativeWindowFactory accepts only GLCapabilities objects - chosen"); } final GLCapabilitiesImmutable glCapsChosen = (GLCapabilitiesImmutable) capsChosen; if (! (capsRequested instanceof GLCapabilitiesImmutable) ) { throw new IllegalArgumentException("This NativeWindowFactory accepts only GLCapabilities objects - requested"); } if (chooser != null && !(chooser instanceof GLCapabilitiesChooser)) { throw new IllegalArgumentException("This NativeWindowFactory accepts only GLCapabilitiesChooser objects"); } final AbstractGraphicsDevice absDevice = absScreen.getDevice(); if(null==absDevice) { throw new GLException("Null AbstractGraphicsDevice"); } AbstractGraphicsConfiguration cfg = null; if( absDevice instanceof EGLGraphicsDevice ) { cfg = chooseGraphicsConfigurationStatic((GLCapabilitiesImmutable) capsChosen, (GLCapabilitiesImmutable) capsRequested, (GLCapabilitiesChooser) chooser, absScreen, nativeVisualID, false); } else { // handle non native cases (X11, ..) if(null == fallbackGraphicsConfigurationFactory) { throw new InternalError("Native fallback GraphicsConfigurationFactory is null, but call issued for device: "+absDevice+" of type "+absDevice.getClass().getSimpleName()); } if(glCapsChosen.getGLProfile().usesNativeGLES()) { if(DEBUG) { System.err.println("EGLGraphicsConfigurationFactory.choose..: Handle native device "+absDevice.getClass().getSimpleName()); } cfg = chooseGraphicsConfigurationStatic((GLCapabilitiesImmutable) capsChosen, (GLCapabilitiesImmutable) capsRequested, (GLCapabilitiesChooser) chooser, absScreen, nativeVisualID, false); if(null == cfg || VisualIDHolder.VID_UNDEFINED == cfg.getVisualID(VIDType.NATIVE)) { cfg = null; if(DEBUG) { System.err.println("EGLGraphicsConfigurationFactory.choose..: No native visual ID, fallback .."); } } } if(null == cfg) { // fwd to native config factory (only X11 for now) if(DEBUG) { System.err.println("EGLGraphicsConfigurationFactory.choose..: Delegate to "+fallbackGraphicsConfigurationFactory.getClass().getSimpleName()); } cfg = fallbackGraphicsConfigurationFactory.chooseGraphicsConfiguration(capsChosen, capsRequested, chooser, absScreen, nativeVisualID); } } return cfg; } protected static List<GLCapabilitiesImmutable> getAvailableCapabilities(final EGLDrawableFactory factory, final AbstractGraphicsDevice device) { final EGLDrawableFactory.SharedResource sharedResource = factory.getOrCreateSharedResourceImpl(device); if(null == sharedResource) { throw new GLException("Shared resource for device n/a: "+device); } final EGLGraphicsDevice eglDevice = sharedResource.getDevice(); final long eglDisplay = eglDevice.getHandle(); if(0 == eglDisplay) { throw new GLException("null eglDisplay"); } List<GLCapabilitiesImmutable> availableCaps = null; final IntBuffer numConfigs = Buffers.newDirectIntBuffer(1); if(!EGL.eglGetConfigs(eglDisplay, null, 0, numConfigs)) { throw new GLException("Graphics configuration get maxConfigs (eglGetConfigs) call failed, error "+toHexString(EGL.eglGetError())); } if(0 == numConfigs.get(0)) { throw new GLException("Graphics configuration get maxConfigs (eglGetConfigs) no configs"); } final PointerBuffer configs = PointerBuffer.allocateDirect(numConfigs.get(0)); if(!EGL.eglGetConfigs(eglDisplay, configs, configs.capacity(), numConfigs)) { throw new GLException("Graphics configuration get all configs (eglGetConfigs) call failed, error "+toHexString(EGL.eglGetError())); } if (numConfigs.get(0) > 0) { availableCaps = eglConfigs2GLCaps(eglDevice, null, configs, numConfigs.get(0), GLGraphicsConfigurationUtil.ALL_BITS, false /* forceTransparentFlag */, false /* onlyFirstValid */); if( null != availableCaps && availableCaps.size() > 1) { Collections.sort(availableCaps, EglCfgIDComparator); } } return availableCaps; } public static EGLGraphicsConfiguration chooseGraphicsConfigurationStatic(GLCapabilitiesImmutable capsChosen, final GLCapabilitiesImmutable capsReq, final GLCapabilitiesChooser chooser, final AbstractGraphicsScreen absScreen, final int nativeVisualID, final boolean forceTransparentFlag) { if (capsChosen == null) { capsChosen = new GLCapabilities(null); } if(null==absScreen) { throw new GLException("Null AbstractGraphicsScreen"); } final AbstractGraphicsDevice absDevice = absScreen.getDevice(); if(null==absDevice) { throw new GLException("Null AbstractGraphicsDevice"); } final EGLGraphicsDevice eglDevice; final boolean ownEGLDisplay; if( absDevice instanceof EGLGraphicsDevice ) { eglDevice = (EGLGraphicsDevice) absDevice; if (eglDevice.getHandle() == EGL.EGL_NO_DISPLAY) { throw new GLException("Invalid EGL display: "+eglDevice); } ownEGLDisplay = false; } else { eglDevice = EGLDisplayUtil.eglCreateEGLGraphicsDevice(absDevice); eglDevice.open(); ownEGLDisplay = true; } final GLProfile glp = capsChosen.getGLProfile(); capsChosen = GLGraphicsConfigurationUtil.fixGLCapabilities( capsChosen, GLDrawableFactory.getEGLFactory(), absDevice); EGLGraphicsConfiguration res = eglChooseConfig(eglDevice, capsChosen, capsReq, chooser, absScreen, nativeVisualID, forceTransparentFlag); if(null==res) { if(DEBUG) { System.err.println("eglChooseConfig failed with given capabilities "+capsChosen); } // Last try .. add a fixed embedded profile [ATI, Nokia, Intel, ..] // // rgb888 - d16, s4 final GLCapabilities fixedCaps = new GLCapabilities(glp); fixedCaps.setSampleBuffers(true); fixedCaps.setNumSamples(4); fixedCaps.setRedBits(8); fixedCaps.setGreenBits(8); fixedCaps.setBlueBits(8); fixedCaps.setDepthBits(16); if( !capsChosen.isOnscreen() ) { fixedCaps.setOnscreen(false); fixedCaps.setPBuffer(capsChosen.isPBuffer()); fixedCaps.setFBO(capsChosen.isFBO()); } if(DEBUG) { System.err.println("trying fixed caps (1): "+fixedCaps); } res = eglChooseConfig(eglDevice, fixedCaps, capsReq, chooser, absScreen, nativeVisualID, false); } if(null==res) { // // rgb565 - d16, s0 final GLCapabilities fixedCaps = new GLCapabilities(glp); fixedCaps.setRedBits(5); fixedCaps.setGreenBits(6); fixedCaps.setBlueBits(5); fixedCaps.setDepthBits(16); if( !capsChosen.isOnscreen() ) { fixedCaps.setOnscreen(false); fixedCaps.setPBuffer(capsChosen.isPBuffer()); fixedCaps.setFBO(capsChosen.isFBO()); } if(DEBUG) { System.err.println("trying fixed caps (2): "+fixedCaps); } res = eglChooseConfig(eglDevice, fixedCaps, capsReq, chooser, absScreen, nativeVisualID, false); } if(null==res) { // // rgb565 - d16, s4 final GLCapabilities fixedCaps = new GLCapabilities(glp); fixedCaps.setSampleBuffers(true); fixedCaps.setNumSamples(4); fixedCaps.setRedBits(5); fixedCaps.setGreenBits(6); fixedCaps.setBlueBits(5); fixedCaps.setDepthBits(16); if( !capsChosen.isOnscreen() ) { fixedCaps.setOnscreen(false); fixedCaps.setPBuffer(capsChosen.isPBuffer()); fixedCaps.setFBO(capsChosen.isFBO()); } if(DEBUG) { System.err.println("trying fixed caps (3): "+fixedCaps); } res = eglChooseConfig(eglDevice, fixedCaps, capsReq, chooser, absScreen, nativeVisualID, false); } if(null==res) { throw new GLException("Graphics configuration failed [direct caps, eglGetConfig/chooser and fixed-caps(1-3)]"); } if(ownEGLDisplay) { ((EGLGLCapabilities) res.getChosenCapabilities()).setEGLConfig(0); // eglDisplay: EOL eglDevice.close(); } return res; } static EGLGraphicsConfiguration eglChooseConfig(final EGLGraphicsDevice device, final GLCapabilitiesImmutable capsChosen, final GLCapabilitiesImmutable capsRequested, final GLCapabilitiesChooser chooser, final AbstractGraphicsScreen absScreen, final int nativeVisualID, final boolean forceTransparentFlag) { final long eglDisplay = device.getHandle(); final GLProfile glp = capsChosen.getGLProfile(); final int winattrmask = GLGraphicsConfigurationUtil.getExclusiveWinAttributeBits(capsChosen); List<GLCapabilitiesImmutable> availableCaps = null; int recommendedIndex = -1; final IntBuffer numConfigs = Buffers.newDirectIntBuffer(1); if(!EGL.eglGetConfigs(eglDisplay, null, 0, numConfigs)) { throw new GLException("EGLGraphicsConfiguration.eglChooseConfig: Get maxConfigs (eglGetConfigs) call failed, error "+toHexString(EGL.eglGetError())); } if(0 == numConfigs.get(0)) { throw new GLException("EGLGraphicsConfiguration.eglChooseConfig: Get maxConfigs (eglGetConfigs) no configs"); } final int numEGLConfigs = numConfigs.get(0); if (DEBUG) { System.err.println("EGLGraphicsConfiguration.eglChooseConfig: eglChooseConfig eglDisplay "+toHexString(eglDisplay)+ ", nativeVisualID "+toHexString(nativeVisualID)+ ", capsChosen "+capsChosen+", winbits "+GLGraphicsConfigurationUtil.winAttributeBits2String(null, winattrmask).toString()+ ", fboAvail "+GLContext.isFBOAvailable(device, glp)+ ", device "+device+", "+device.getUniqueID()+ ", numEGLConfigs "+numEGLConfigs); } final IntBuffer attrs = EGLGraphicsConfiguration.GLCapabilities2AttribList(capsChosen); final PointerBuffer configs = PointerBuffer.allocateDirect(numConfigs.get(0)); // 1st choice: get GLCapabilities based on users GLCapabilities // setting recommendedIndex as preferred choice // skipped if nativeVisualID is given final boolean hasEGLChosenCaps; if( VisualIDHolder.VID_UNDEFINED == nativeVisualID ) { if( !EGL.eglChooseConfig(eglDisplay, attrs, configs, configs.capacity(), numConfigs) ) { if(DEBUG) { System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 eglChooseConfig: false"); } numConfigs.put(0, 0); hasEGLChosenCaps = false; } else { hasEGLChosenCaps = numConfigs.get(0)>0; } } else { if(DEBUG) { System.err.println("EGLGraphicsConfiguration.eglChooseConfig: Skipped due to given visualID: "+toHexString(nativeVisualID)); } hasEGLChosenCaps = false; } final boolean useRecommendedIndex = hasEGLChosenCaps && !forceTransparentFlag && capsChosen.isBackgroundOpaque(); // only use recommended idx if not translucent final boolean skipCapsChooser = null == chooser && useRecommendedIndex; // fast path: skip choosing if using recommended idx and null chooser is used if( hasEGLChosenCaps ) { availableCaps = eglConfigs2GLCaps(device, glp, configs, numConfigs.get(0), winattrmask, forceTransparentFlag, skipCapsChooser /* onlyFirsValid */); if(availableCaps.size() > 0) { final long recommendedEGLConfig = configs.get(0); recommendedIndex = 0; if (DEBUG) { System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 eglChooseConfig: recommended fbcfg " + toHexString(recommendedEGLConfig) + ", idx " + recommendedIndex); System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 useRecommendedIndex "+useRecommendedIndex+", skipCapsChooser "+skipCapsChooser); System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 fbcfg caps " + availableCaps.get(recommendedIndex)); } } else if (DEBUG) { System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 eglChooseConfig: no caps for recommended fbcfg " + toHexString(configs.get(0))); System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 useRecommendedIndex "+useRecommendedIndex+", skipCapsChooser "+skipCapsChooser); } } else if (DEBUG) { System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 eglChooseConfig: no configs"); System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #1 useRecommendedIndex "+useRecommendedIndex+", skipCapsChooser "+skipCapsChooser); } // 2nd choice: get all GLCapabilities available, no preferred recommendedIndex available if( null == availableCaps || 0 == availableCaps.size() ) { // reset .. recommendedIndex = -1; if(!EGL.eglGetConfigs(eglDisplay, configs, configs.capacity(), numConfigs)) { throw new GLException("EGLGraphicsConfiguration.eglChooseConfig: #2 Get all configs (eglGetConfigs) call failed, error "+toHexString(EGL.eglGetError())); } if (numConfigs.get(0) > 0) { availableCaps = eglConfigs2GLCaps(device, glp, configs, numConfigs.get(0), winattrmask, forceTransparentFlag, false /* onlyFirsValid */); } } if( null == availableCaps || 0 == availableCaps.size() ) { if(DEBUG) { // FIXME: this happens on a ATI PC Emulation .. System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #2 Graphics configuration 1st choice and 2nd choice failed - no configs"); availableCaps = eglConfigs2GLCaps(device, glp, configs, numConfigs.get(0), GLGraphicsConfigurationUtil.ALL_BITS, forceTransparentFlag, false /* onlyFirsValid */); printCaps("AllCaps", availableCaps, System.err); } return null; } if(DEBUG) { System.err.println("EGLGraphicsConfiguration.eglChooseConfig: got configs: "+availableCaps.size()); for(int i=0; i<availableCaps.size(); i++) { System.err.println(i+": "+availableCaps.get(i)); } } if( VisualIDHolder.VID_UNDEFINED != nativeVisualID ) { // implies !hasEGLChosenCaps final List<GLCapabilitiesImmutable> removedCaps = new ArrayList<GLCapabilitiesImmutable>(); for(int i=0; i<availableCaps.size(); ) { final GLCapabilitiesImmutable aCap = availableCaps.get(i); if(aCap.getVisualID(VIDType.NATIVE) != nativeVisualID) { if(DEBUG) { System.err.println("Remove["+i+"] (mismatch VisualID): "+aCap); } removedCaps.add(availableCaps.remove(i)); } else if( 0 == aCap.getDepthBits() && 0 < capsChosen.getDepthBits() ) { // Hack for HiSilicon/Vivante/Immersion.16 Renderer .. if(DEBUG) { System.err.println("Remove["+i+"] (mismatch depth-bits): "+aCap); } removedCaps.add(availableCaps.remove(i)); } else { i++; } } if(0==availableCaps.size()) { availableCaps = removedCaps; if(DEBUG) { System.err.println("EGLGraphicsConfiguration.eglChooseConfig: post filter nativeVisualID "+toHexString(nativeVisualID)+" no config found, revert to all"); } } else if(DEBUG) { System.err.println("EGLGraphicsConfiguration.eglChooseConfig: post filter nativeVisualID "+toHexString(nativeVisualID)+" got configs: "+availableCaps.size()); for(int i=0; i<availableCaps.size(); i++) { System.err.println(i+": "+availableCaps.get(i)); } } } final int chosenIndex; if( skipCapsChooser && 0 <= recommendedIndex ) { chosenIndex = recommendedIndex; } else { chosenIndex = chooseCapabilities(chooser, capsChosen, availableCaps, recommendedIndex); } if ( 0 > chosenIndex ) { if (DEBUG) { System.err.println("EGLGraphicsConfiguration.eglChooseConfig: #2 chooseCapabilities failed"); } return null; } final EGLGLCapabilities chosenCaps = (EGLGLCapabilities) availableCaps.get(chosenIndex); final EGLGraphicsConfiguration res = new EGLGraphicsConfiguration(absScreen, chosenCaps, capsRequested, chooser); if (DEBUG) { System.err.println("EGLGraphicsConfiguration.eglChooseConfig: X chosen :"+chosenIndex+", eglConfig: "+toHexString(chosenCaps.getEGLConfig())+": "+res); } return res; } static List<GLCapabilitiesImmutable> eglConfigs2GLCaps(final EGLGraphicsDevice device, final GLProfile glp, final PointerBuffer configs, final int num, final int winattrmask, final boolean forceTransparentFlag, final boolean onlyFirstValid) { final GLRendererQuirks defaultQuirks = GLRendererQuirks.getStickyDeviceQuirks( GLDrawableFactory.getEGLFactory().getDefaultDevice() ); final List<GLCapabilitiesImmutable> bucket = new ArrayList<GLCapabilitiesImmutable>(num); for(int i=0; i<num; i++) { final GLCapabilitiesImmutable caps = EGLGraphicsConfiguration.EGLConfig2Capabilities(defaultQuirks, device, glp, configs.get(i), winattrmask, forceTransparentFlag); if(null != caps) { bucket.add(caps); if(onlyFirstValid) { break; } } } return bucket; } static void printCaps(final String prefix, final List<GLCapabilitiesImmutable> caps, final PrintStream out) { for(int i=0; i<caps.size(); i++) { out.println(prefix+"["+i+"] "+caps.get(i)); } } }