[Mesa-dev] [PATCH 0/2] Implement INTEL_fragment_shader_ordering

Jason Ekstrand jason at jlekstrand.net
Tue Aug 28 18:34:18 UTC 2018

On Tue, Aug 28, 2018 at 1:23 PM Rogovin, Kevin <kevin.rogovin at intel.com>

> Hi,
> > Having the same underlying compiler intrinsic and having the same
> behavior
> > are not the same thing.  The INTEL extension allows strictly more
> > functionality than the ARB extension so it needs even more testing.  In
> > particular, it allows you to do the barrier in non-uniform control-flow
> > which is a very different thing than at the top of a shader like is
> allowed
> > by ARB_fragment_shader_interlock.  I expect the INTEL extension to need
> > substantially more testing than the ARB one.
> Just an FYI: the Mesa implementation for the ARB (and thus NV) extension
> accept shaders where the begin function takes place inside of control flow
> actually.

Is that tested?
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