Posted by gouessej on Feb 20, 2018; 6:53pm
URL: https://forum.jogamp.org/Renderer-updateTexture2DSubImage-tp4038649p4038668.html

    @Override
    public final boolean renderUnto(final Renderer renderer) {
        final boolean isOpen = !canvas.isClosing();
        if (isOpen) {// draws the root and all its children
            renderer.draw(root);
            // executes all update tasks queued by the controllers
            GameTaskQueueManager.getManager(canvas.getCanvasRenderer().getRenderContext())
                    .getQueue(GameTaskQueue.UPDATE).execute(renderer);
            // executes all rendering tasks queued by the controllers
            GameTaskQueueManager.getManager(canvas.getCanvasRenderer().getRenderContext())
                    .getQueue(GameTaskQueue.RENDER).execute(renderer);
        }
        return (isOpen);
    }