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02-21-2008, 08:19 AM
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 DRI with X.org 6.8.0 and Mach64 Has anyone gotten the DRI to work successfully (with direct rendering enabled) on a Mach64 graphics card? X.org 6.8.0 is supposed to support Mach64 DRI now (as of 6.8), but I'm having no luck. My card is a Rage 3D Pro LT PCI 8MB, which as far as I can tell is supported for DRI . . . anyone have similar or better experiences? I'm using the ati driver.      |
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02-21-2008, 08:21 AM
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| Re: DRI with X.org 6.8.0 and Mach64 micromoog wrote: > Has anyone gotten the DRI to work successfully (with direct rendering > enabled) on a Mach64 graphics card? X.org 6.8.0 is supposed to > support Mach64 DRI now (as of 6.8), but I'm having no luck. I would be very interested to hear how you tried to get it working. I'm struggling to get a Mach64 card working. Your words may indicate that I've been wasting my time with 6.7, but I'd rather not compile and install 6.8 unless that's absolutely necessary. The old chip may not take it. R. |
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02-21-2008, 08:22 AM
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| Re: DRI with X.org 6.8.0 and Mach64 Rolleston <rolleston@tiscali.co.uk> wrote in message news:<pan.2004.10.18.17.49.18.500138@tiscali.co.uk >... > micromoog wrote: > > Has anyone gotten the DRI to work successfully (with direct rendering > > enabled) on a Mach64 graphics card? X.org 6.8.0 is supposed to > > support Mach64 DRI now (as of 6.8), but I'm having no luck. > > I would be very interested to hear how you tried to > get it working. I'm struggling to get a Mach64 card > working. Your words may indicate that I've been > wasting my time with 6.7, but I'd rather not compile > and install 6.8 unless that's absolutely necessary. > > The old chip may not take it. > > R. I managed to get it working last night . . . I enabled support for "ati" in the kernel (not sure whether this was necessary), then installed the daily build of the Mach 64 DRI from http://freedesktop.org/~dri/snapshots/. Mach64 is NOT built by default when emerging x.org. |
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02-21-2008, 08:23 AM
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| Re: DRI with X.org 6.8.0 and Mach64 micromoog wrote: > I managed to get it working last night . . . I enabled support for > "ati" in the kernel (not sure whether this was necessary), then > installed the daily build of the Mach 64 DRI from > http://freedesktop.org/~dri/snapshots/. That is essentially what I did. Incidentally, adding the following line to "xorg.conf" added an extra 100fps to glxgears performance: Option "DMAMode" "async" For some reason, this seems to indicate that "async" is the default setting: [http://www.retinalburn.net/linux/dri_status.html] Option "DMAMode" "async" or "sync" or "mmio" Use asynchronous DMA (default), synchronous DMA, or PIO/MMIO to dispatch buffers. Perhaps that refers to a different driver or driver version. There are a few tweaking options on this page (Sec. 6): http://www.gentoo.org/doc/en/dri-howto.xml I don't know if they're relevant. I haven't tried them yet. > Mach64 is NOT built by default when emerging x.org. Apparently not! A Mach64 driver of some sort appears to be included in the X11R6.8.0 release: http://freedesktop.org/~xorg/X11R6.8...LNOTES3.html#9 http://freedesktop.org/~xorg/X11R6.8.0/doc/ati.html What "included" means exactly, I cannot say. In addition, I'm not completely certain that the implementation described offers the full range of hardware acceleration features that will work with the Mach64 card. I haven't had a look at the emerged xorg source yet. R. |
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