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nv50: don't try to upload MSAA settings for BUFFER textures

Ilia Mirkin requested to merge imirkin/mesa:tmp into master

We need the MSAA scaling parameters to properly fetch samples from MSAA textures. These are stored in the miptree which wraps all regular textures. However it does not wrap buffer textures, so make sure to skip them rather than accessing out-of-bounds or unmapped memory.

Closes: #2727 (closed) Fixes: 3bd40073 ("nv50: add support for texelFetch'ing MS textures") Signed-off-by: Ilia Mirkin imirkin@alum.mit.edu Cc: mesa-stable@lists.freedesktop.org

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