[Sorry, my last message got sent a little early.]
Hi,
I recently found out that the 3d performance of the mach64 branch (in
terms of glxgears frame rates) is related to the physical screen
resolution. I got the following glxgears frame rates with different
resolutions:
1152x864: 155.2 fps
1024x768: 165.6 fps
800x600: 209.6 fps
640x480: 229.4 fps
512x384: 218.0 fps
400x300: 235.0 fps
It is interesting that there is a decrease in performance from 640x480
to 512x384. 512x384 and 400x300 are defined as double scan equivalents
of 1024x768 and 800x600 respectively in my XF86Config. So the CRT
refresh seems to play a role in this (I'm don't have a laptop, it's a
ATI XPert98 in a desktop PC).
I'm wondering whether these effects are a bug or a feature.
Regards,
Felix
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