glsl_to_nir always produces a system value for gl_FrontFacing, rather
than an input. So there should never be an input with this slot,
making this code dead.
Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp
b/src/mesa/drivers/dri/i965/brw_fs.cpp
index c907725..446cf3a 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -6341,9 +6341,8 @@ brw_compute_barycentric_interp_modes(const struct
brw_device_info *devinfo,
unsigned barycentric_interp_modes = 0;
nir_foreach_variable(var, &shader->inputs) {
- /* Ignore WPOS and FACE, because they don't require interpolation. */
- if (var->data.location == VARYING_SLOT_POS ||
- var->data.location == VARYING_SLOT_FACE)
+ /* Ignore WPOS; it doesn't require interpolation. */
+ if (var->data.location == VARYING_SLOT_POS)
continue;
/* Flat inputs don't need barycentric modes. */
--
2.9.0
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