[Nouveau] [Bug 75776] [NV50 gallium] Hearthstone displays corrupted buffers

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75776

Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[NVA5] Hearthstone displays |[NV50 gallium] Hearthstone
                   |corrupted buffers           |displays corrupted buffers

--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Confirmed with latest on nv96 as well as Mesa 9.1.6. No errors in dmesg, but
this feels like an incorrect format somewhere, or an FBO attachment not being
output to. I checked with NV50_PROG_OPTIMIZE=0, and it's not a shader
optimization going wrong.

There are a few surface formats that are not blendable on nv50 but are on nvc0
(not 100% sure what "blendable" means... PIPE_BIND_BLENDABLE, whatever that
is). Perhaps it's trying to use one as blendable without declaring so...

There are some errors reported by glretrace, but I checked in the trace dump,
and they match the errors that the application received when doing the the fb
completeness checks.

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