HTC still seems to be having issues getting good video drivers released for its devices, and the beloved HD2 is no exception. Chainfire from XDA has come to the rescue! Just as we have patched drivers for our Diamonds, Touch Pros, etc., he has released a patched driver for the HD2 that could possibly increase OpenGL performance by 500%!
glBenchmark
Attached are some glBenchmark results of the various patch revisions. Some awesome improvements in the HD and Pro tests, as well as kTriangles/s.Stock HD2 vs Patch 1.1
GLBenchmark HD ES 1.1: 487% ~ 1598 Frames up from 328
GLBenchmark HD ES 1.1 no GPU Skinning: 502% ~ 1647 Frames up from 328
GLBenchmark PRO ES 1.1: 107% ~ 229 Frames up from 215
GLBenchmark Pro ES 1.1 no GPU Skinning: 157% ~ 625 Frames up from 397
Swapbuffer speed: 496% ~ 556 up from 112
Averages: Lights: 116% ~ 1550 kTriangles/s up from 1350
Averages: Texture Filter: 159% ~ 2150 kTriangles/s up from 1350
Averages: Texture Size: 158% ~ 2150 kTriangles/s up from 1350
Averages: Triangles: 161% ~ 2150 kTriangles/s up from 1350
Apparently its not compatible with all software and is available in two different modes, so be sure to read his thread for all the details.
Source: XDA via WMPowerUser