@Override public SharedResourceRunner.Resource createSharedResource(String connection) { final X11GraphicsDevice sharedDevice = new X11GraphicsDevice( X11Util.openDisplay(connection), AbstractGraphicsDevice.DEFAULT_UNIT, true /* owner */); sharedDevice.lock(); try { final X11GraphicsScreen sharedScreen = new X11GraphicsScreen(sharedDevice, sharedDevice.getDefaultScreen()); GLXUtil.initGLXClientDataSingleton(sharedDevice); final String glXServerVendorName = GLX.glXQueryServerString(sharedDevice.getHandle(), 0, GLX.GLX_VENDOR); final boolean glXServerMultisampleAvailable = GLXUtil.isMultisampleAvailable( GLX.glXQueryServerString(sharedDevice.getHandle(), 0, GLX.GLX_EXTENSIONS)); final GLProfile glp = GLProfile.get(sharedDevice, GLProfile.GL_PROFILE_LIST_MIN_DESKTOP, false); if (null == glp) { throw new GLException("Couldn't get default GLProfile for device: " + sharedDevice); } final GLCapabilitiesImmutable caps = new GLCapabilities(glp); final GLDrawableImpl sharedDrawable = createOnscreenDrawableImpl( createDummySurfaceImpl(sharedDevice, false, caps, caps, null, 64, 64)); sharedDrawable.setRealized(true); final X11GLCapabilities chosenCaps = (X11GLCapabilities) sharedDrawable.getChosenGLCapabilities(); final boolean glxForcedOneOne = !chosenCaps.hasFBConfig(); final VersionNumber glXServerVersion; if (glxForcedOneOne) { glXServerVersion = versionOneOne; } else { glXServerVersion = GLXUtil.getGLXServerVersionNumber(sharedDevice); } final GLContextImpl sharedContext = (GLContextImpl) sharedDrawable.createContext(null); if (null == sharedContext) { throw new GLException("Couldn't create shared context for drawable: " + sharedDrawable); } boolean madeCurrent = false; sharedContext.makeCurrent(); try { madeCurrent = sharedContext.isCurrent(); } finally { sharedContext.release(); } if (sharedContext.hasRendererQuirk(GLRendererQuirks.DontCloseX11Display)) { X11Util.markAllDisplaysUnclosable(); } if (DEBUG) { System.err.println("SharedDevice: " + sharedDevice); System.err.println("SharedScreen: " + sharedScreen); System.err.println("SharedContext: " + sharedContext + ", madeCurrent " + madeCurrent); System.err.println("GLX Server Vendor: " + glXServerVendorName); System.err.println( "GLX Server Version: " + glXServerVersion + ", forced " + glxForcedOneOne); System.err.println("GLX Server Multisample: " + glXServerMultisampleAvailable); System.err.println("GLX Client Vendor: " + GLXUtil.getClientVendorName()); System.err.println("GLX Client Version: " + GLXUtil.getClientVersionNumber()); System.err.println("GLX Client Multisample: " + GLXUtil.isClientMultisampleAvailable()); } return new SharedResource( sharedDevice, sharedScreen, sharedDrawable, sharedContext, glXServerVersion, glXServerVendorName, glXServerMultisampleAvailable && GLXUtil.isClientMultisampleAvailable()); } catch (Throwable t) { throw new GLException( "X11GLXDrawableFactory - Could not initialize shared resources for " + connection, t); } finally { sharedDevice.unlock(); } }