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  1. #1

    Getting better OpenGL performance from Prosavage hardware

    I have DRI running perfectly, with no problems whatsoever, on a machine with VIA Prosavage 8 (P4M266) onboard video hardware... And I still have ridiculously pokey graphics. To play BZFlag, I have to shrink the window drastically and turn off all texturing and effects. Tuxracer is almost unplayable, and even OpenGL screensavers are sloooowwwwww.

    Now, to assure you that DRI works:

    [proteus@localhost ~]$ glxinfo
    name of display: :0.0
    display: :0  screen: 0
    direct rendering: Yes
    server glx vendor string: SGI
    But I still get crappy performance from glxgears:

    [proteus@localhost ~]$ glxgears
    624 frames in 5.0 seconds = 124.800 FPS
    762 frames in 5.0 seconds = 152.400 FPS
    765 frames in 5.0 seconds = 153.000 FPS
    772 frames in 5.0 seconds = 154.400 FPS
    769 frames in 5.0 seconds = 153.800 FPS
    That's with 24-bit color. I get a bit under twice as much with 16-bit color, but I don't like to use 16-bit, since it turns grey into pink; and even with 16-bit color, performance in OpenGL games is craporrific.

    Now, I've heard that people using Intel's onboard graphics often get about 500 FPS with 24-bit color... Is there a way to get speeds anywhere near that with Prosavage, using the open-source drivers from the Mesa and DRI projects? Or does Intel just make better onboard graphics hardware?

    Also, does anyone know how VIA's own Prosavage drivers (recently open-sourced and available for XFree86) fair, compared to DRI's drivers? And has anyone gotten them working on XOrg, or is that impossible?

  2. #2
    Good question. One of my computers using Prosavage. So if anybody knows about this...I would be interested also.

    I would like to say that although Tuxracer plays like crap on there, Frozen Bubbles is still awesome.

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