[Mesa-dev] [PATCH 1/3] i965/nir: Add support for nir_intrinsic_load_front_face

[Matt Turner]

On Sat, Feb 14, 2015 at 1:00 PM, Connor Abbott <cwabbott0 at gmail.com> wrote:
> I think we should be adding this to nir_emit_system_values_block()
> like we do for the other system values. This should get us parity with
> what we had before where we only called
> emit_frontfacing_interpolation() once per shader.

Calling it once per shader isn't really important -- it just emits a
single instruction.

In fact, once we remove brw_fs_visitor.cpp I'd be in favor of removing
emit_frontfacing_interpolation() itself.