[Bug 14099] r300 should use private backbuffers

[<bug...@fr...>]

http://bugs.freedesktop.org/show_bug.cgi?id=14099


Roland Scheidegger <sr...@tu...> changed:

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--- Comment #2 from Roland Scheidegger <sr...@tu...>  2008-01-16 09:34:55 PST ---
(In reply to comment #1)
> Well it'snt as easy as that. I think that what ever is the pitch (8192 is hw
> limit
> on r300/r400 hw i think) the rendering will be broken above 2650 pixels so to
> work around this you would have to allocate several small render buffer and
> then
> blit then in a bigger one (pitch now becoming the upper limit).
If you really have private render buffers, those will be as big as needed and
not bigger, so pitch shouldn't be above 2560 (I think this was the correct
number?) if your rendering area (I assume this really means the size of your
window in which 3d rendering happens) isn't larger. Blitter can copy to the
larger real framebuffer just fine (up to 8k).


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