static X11GLXGraphicsConfiguration fetchGraphicsConfigurationFBConfig( X11GraphicsScreen x11Screen, int fbID, GLProfile glp) { final AbstractGraphicsDevice absDevice = x11Screen.getDevice(); final long display = absDevice.getHandle(); final int screen = x11Screen.getIndex(); final long fbcfg = X11GLXGraphicsConfiguration.glXFBConfigID2FBConfig(display, screen, fbID); if (0 == fbcfg || !X11GLXGraphicsConfiguration.GLXFBConfigValid(display, fbcfg)) { if (DEBUG) { System.err.println( "X11GLXGraphicsConfiguration.chooseGraphicsConfigurationFBConfig: Failed - GLX FBConfig invalid: (" + x11Screen + "," + toHexString(fbID) + "): fbcfg: " + toHexString(fbcfg)); } return null; } final X11GLXDrawableFactory factory = (X11GLXDrawableFactory) GLDrawableFactory.getDesktopFactory(); final X11GLCapabilities caps = X11GLXGraphicsConfiguration.GLXFBConfig2GLCapabilities( glp, display, fbcfg, true, true, true, factory.isGLXMultisampleAvailable(absDevice)); return new X11GLXGraphicsConfiguration( x11Screen, caps, caps, new DefaultGLCapabilitiesChooser()); }