diff options
-rw-r--r-- | src/compiler/nir/nir_lower_io.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_lower_io.c b/src/compiler/nir/nir_lower_io.c index bf8296f5b12..b36836f6f76 100644 --- a/src/compiler/nir/nir_lower_io.c +++ b/src/compiler/nir/nir_lower_io.c @@ -340,6 +340,10 @@ lower_interpolate_at(nir_intrinsic_instr *intrin, struct lower_io_state *state, assert(var->data.mode == nir_var_shader_in); + /* Ignore interpolateAt() for flat variables - flat is flat. */ + if (var->data.interpolation == INTERP_MODE_FLAT) + return lower_load(intrin, state, NULL, offset); + nir_intrinsic_op bary_op; switch (intrin->intrinsic) { case nir_intrinsic_interp_var_at_centroid: |