Sorry, my mistake.
The slowdown in r3255 is only due to using the FBO on every frame. If I modify r3255 to use regional redraws then its still fast. So the regression in regional redraw performance happened after r3255.
Sorry, my mistake.
The slowdown in r3255 is only due to using the FBO on every frame. If I modify r3255 to use regional redraws then its still fast. So the regression in regional redraw performance happened after r3255.