Ben Skeggs wrote:
S3TC does seem to be the killer for UT2004. I started porting over the
S3TC stuff from the r200 driver a while
back, but haven't had a lot of time recently to fix a couple of issues
with it. Overall fps doesn't seem to take a
huge gain, but the sudden drops to 1-2fps in certain levels
(CTF-Faceclassic) disappear when S3TC's enabled.
That's true, but to avoid the huge drops you could also just decrease
texture detail. Or implement the second texture heap in main memory and
use gart texturing (though you'd also need to manually increase the gart
size). There are some problems with that for r200, and the strategy for
what textures to put where may not be optimal currently, but the drops
should be gone.
That said, the performance in ut2k4 is probably really slow (apart from
that problem) due to deficiencies in drawArrays handling, at least that
was the case for r200 last time I checked...
Roland
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