Thanks Melssj5 and Mr. Marbles. Problem Solved!
What I do is the following (from the source of Model3D), Just in case if someone as stupid as me met this problem
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1. Setup a SAMPLINGMODE_HARDWARE_ONLY FrameBuffer2. Disable software renderer
3. Enable and obtain the AWTGLCanvas
4. Add it to the container
5. In the rendering loop:
5.1 clear the buffer
5.2 update the buffer
5.3 render world scene to buffer
5.4 draw the world to buffer
5.5 render buffer to GL (displayGLOnly()) 5.6 repaint canvasThe steps in red are what I missed.
Thanks again Melssj5 and Mr. Marbles.