From: Keith Whitwell <keith@tu...> - 2008-05-25 16:03:45
We're planning to pull the tex-surfaces functionality back into
gallium-0.1 in the near future, so this is a heads up on the
corresponding interface changes.
In particular, a tex surface is a mechanism for creating a surface
with various properties as a view into a particular texture mipmap
image. This gives the driver the hooks it needs to perform various
manipulations on the contents of the image.
A typical example might be if the cell driver decided to use a tiled
format for texture images, but not for render targets (or vice versa)
-- creating a tex_surface with properties indicating that it might be
used as a render target would give the driver the hooks to un-tile and
re-tile the texture image before & after the operations...
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