On Fri, Jan 31, 2003 at 10:26:13AM -0800, Ian Romanick wrote:
> There are two typical ways to go about imporving texture upload 
> performance in OpenGL applications.  One is through the use of OpenGL 
> extensions.  There are several extensions available (or available any 

You are talking about extensions here, but my P3 600MHz Radeon8500 box
with ATI binary drivers is able to push normal frame rates in MPlayer
with 720x480 movies with OpenGL output driver at 80% CPU load.
30% with XVideo.
It use regular glTexSubImage2D, so it is either R100 or DRI beign slow
in this case (if CPU is powerful enough).
I don't know much about extensions you mentioned, but how much you'll
save with MPlayer? One memcpy() (assuming it doesn't wait for texture
upload)?


arkadi.


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