[Mesa-dev] [PATCH] radeon/ac: use ds_swizzle for derivs on si/cik.

Dave Airlie airlied at gmail.com
Tue Aug 1 05:05:25 UTC 2017

On 1 August 2017 at 14:14, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
> This looks like it's supported since llvm 3.9 at least,
> so switch over radeonsi and radv to using it, -pro also
> uses this. We can now drop creating lds for these operations
> as the ds_swizzle operation doesn't actually write to lds at all.

This also fixes a bunch of multisample interpolation tests on
radv on CIK.

Not 100% sure why.

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