glclock-4.5 benchmark test. 
1. double buffers            
106.81 FPS  191666 TPS  at 1798 Triangles

2. single buffer             
94.50 FPS  169911 TPS  at 1798 Triangles

3. environment mapping  double buffers  
178.00 FPS  315147 TPS  at 1828 Triangles

4. environment mapping  single buffer 
161.89 FPS  287544 TPS  at 1828 Triangles

5. bi-linear  environment mapping  double buffers 
177.48 FPS  314598 TPS  at 1828 Triangles

6. bi-linear  environment mapping  single buffer  
155.33 FPS  273834 TPS  at 1828 Triangles

7. tri-linear  environment mapping  double buffers 
175.30 FPS  320448 TPS  at 1828 Triangles

8. tri-linear  environment mapping  single buffer  
152.00 FPS  277856 TPS  at 1828 Triangles

9. tri-linear  shading texture  double buffers 
86.80 FPS  156659 TPS  at 1828 Triangles

10. tri-linear  shading texture  single buffer  
89.59 FPS  159767 TPS  at 1828 Triangles

11. tri-linear  transparency texture  double buffers 
147.10 FPS  268898 TPS  at 1828 Triangles

12. tri-linear  transparency texture  single buffer  
136.20 FPS  248973 TPS  at 1828 Triangles

13. tri-linear  transparency texture  with over sampling  double buffers 
90.50 FPS  174665 TPS  at 1930 Triangles

14. tri-linear  transparency texture  with over sampling  single buffer  
82.00 FPS  158260 TPS  at 1930 Triangles

15. tri-linear  shading texture  transparency texture  double buffers 
80.10 FPS  252795 TPS  at 3156 Triangles

16. tri-linear  shading texture  transparency texture  single buffer  
74.60 FPS  235437 TPS  at 3156 Triangles

17. tri-linear  shading texture  transparency texture  high quality clock  double buffers 
30.85 FPS  411597 TPS  at 13812 Triangles

18. tri-linear  shading texture  transparency texture  high quality clock  single buffer  
27.60 FPS  381211 TPS  at 13812 Triangles