[Bug 32511] glDrawPixels broken on savage

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jan 6 15:01:20 PST 2011


--- Comment #6 from Tormod Volden <bugzi09.fdo.tormod at xoxy.net> 2011-01-06 15:01:20 PST ---
It seems to me that the frame buffer written to is tiled, and that the
functions writing into it are unaware of this. I discussed shortly with Alex on
IRC, and he said the savages have multiple apertures to the same framebuffer,
some providing linear translation.

BTW, tiling is a prerequisite for DRI on savage, so I could not check if
turning off tiling would fix it.

Would be nice if someone could explain how this is meant to work in mesa. I
would like to continue debugging this, but I am stuck at this point without
knowing how it should work.

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