Xvnc with RENDER - almost working

Thomas Winischhofer thomas at winischhofer.net
Wed Mar 9 08:03:24 PST 2005


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Thomas Winischhofer wrote:
| Peter Åstrand wrote:
| | On Wed, 9 Mar 2005, Thomas Winischhofer wrote:
| |> | The problem seems to be timing related; if I start the VNC client
with
| |> | -debugdelay=500, the problem goes away.
| |>
| |> What video hardware are you running? (Sorry, I missed the initial
| |> posting)
| |
| |
| | My :0 display is a Matrox MGA G400 AGP, but the problem exists when
| | using Xvnc as well, with the "fb" framebuffer.
|
|
| I remember, a while back (before XFree86 4.4 came out) the mga driver
| was buggy in render acceleration. But I thought that was fixed a long
| time ago.


OK, that was inaccurate: The mga driver does not do RENDER acceleration
at all. It is permanently disabled (perhaps due to that bug I mentioned).

Sorry, no further clues at the moment...

|
| What do you mean be "fb"? Maybe "fbdev" (the driver)? If so, the problem
| must be somewhere in the generic RENDER implementation, not the
| driver-side acceleration (which isn't being used if running the fbdev
| driver).
|
| mvh
| Thomas
|
| --
| Thomas Winischhofer
| Vienna/Austria
| thomas AT winischhofer DOT net           *** http://www.winischhofer.net
| twini AT xfree86 DOT org
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- --
Thomas Winischhofer
Vienna/Austria
thomas AT winischhofer DOT net	       *** http://www.winischhofer.net
twini AT xfree86 DOT org
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