Dieter Nützel wrote:
Not really. This is a patch to accelerate glDrawPixels, not glDrawElements.This gets about a 5% speedup for me in ipers (which I wish was more accurate in its reporting), and doesn't touch glxgears. I didn't have any interesting apps besides glxgears handy to benchmark with. Any thoughts on this? If people think it's a good idea, I'll do it for radeon as well.
I certainly think it's a good idea. However, I still think it should be possible to lock across multiple buffers, to make it possible to emit larger numbers of vertices at once (for instance for things like glDrawElements), which, as far as I understand, just cannot work if you're restricted to one buffer.
Is this related? http://marc.theaimsgroup.com/?l=dri-devel&m=108350714917936&w=2
I'll hopefully submit an improved version one day, when I have incorporated suggestions Ian and Michel gave me on irc.
Stephane
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