Timothy Arceri <tarc...@itsqueeze.com> writes: > On Mon, Nov 5, 2018, at 4:44 PM, Timothy Arceri wrote: >> On 6/11/18 11:30 am, Eric Anholt wrote: >> > Timothy Arceri <tarc...@itsqueeze.com> writes: >> > >> >> For now I have only enabled this for RADV we can do it >> >> also for radeonsi also but we need to add a CAP for it. >> > >> > If we're doing this at link time, why not push the constant value from >> > the producer into the consumer shader and then cut out the varying >> > entirely? >> > >> >> Maybe we could look to do this between vertex stages but we can do this > > Sorry that should be: "can't do this" > >> for fragment inputs (which is what this patch is for) unless they are >> marked as flat (which almost never happens). Or I'm I missing something?
If the vertex shader is providing a constant for all the vertices you're interpolating between, how is that different from being flat?
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