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

[Jason Ekstrand]

---
 src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index da81b61..28a5f64 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -1205,8 +1205,11 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr *instr)
       break;
    }
 
-   case nir_intrinsic_load_front_face:
-      assert(!"TODO");
+   case nir_intrinsic_load_front_face: {
+      fs_reg *reg = emit_frontfacing_interpolation();
+      emit(MOV(retype(dest, BRW_REGISTER_TYPE_D), *reg));
+      break;
+   }
 
    case nir_intrinsic_load_sample_mask_in: {
       fs_reg sample_mask_in = nir_system_values[SYSTEM_VALUE_SAMPLE_MASK_IN];
-- 
2.2.2