[PD] in which context is GEM slow ?
cgc at humboldtblvd.com
cgc at humboldtblvd.com
Thu Feb 19 17:52:57 CET 2004
Quoting julien.breval at tremplin-utc.net:
> > One problem is that GEM on windows only handles power-of-two textures
>
> > (64, 256, 512, etc). So if you have a 300x300 image that becomes
> > 512x512 in OpenGL on windows. With small static images you should not
>
> > have any sort of performance issue even on very old hardware. What
> > type of hardware are you using?
>
> Intel 82845G Graphics Controller (internal video device), with a recent
> PC
> (Pentium 4 2.4 GHz, RAM = 512 Mo)
Oh say no more, this is a huge part of your performance problem. The only thing
Extreme about Intel's graphics chips is how bad they perform. Just about any
AGP card will give you a huge boost in speed and offload all of the textures
from main memory to the video card.
cgc
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