[Mesa-dev] [PATCH 4/4] gallium/ttn: mark location specially in nir for color0-writes-all

[Eric Anholt]

Rob Clark <robdclark at gmail.com> writes:

> From: Ilia Mirkin <imirkin at alum.mit.edu>
>
> We need to distinguish a shader that has separate writes to each MRT
> from one which is supposed to write the data from MRT 0 to all the MRTs.
> In TGSI this is done with a property. NIR doesn't have that, so encode
> it as a funny location and decode on the other end.
>
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>

Yeah, seems like an OK patch for now, though we really need to start
using common enums instead.

Reviewed-by: Eric Anholt <eric at anholt.net>
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