1. State Key Lab of CS, State Key Lab of CS, Institute of Software, Chinese Academy of Sciences & Univ. of CAS, China and SW-OpenGL, Advanced Micro Devices, Inc. (AMD), China
2. School of Computer Science, Sichuan University, China
3. State Key Lab of CS, State Key Lab of CS, Institute of Software, Chinese Academy of Sciences & Univ. of CAS, China and Faculty of Science and Technology (FST), University of Macau, China