[Mesa-dev] [PATCH v2 01/12] radeonsi/nir: add interpolate at intrinsics to scan_instruction()

[Timothy Arceri]

V2: use the uses_*_opcode_interp_* flags
---
 src/gallium/drivers/radeonsi/si_shader_nir.c | 30 ++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_shader_nir.c 
b/src/gallium/drivers/radeonsi/si_shader_nir.c
index 453d31bd13..6368b71206 100644
--- a/src/gallium/drivers/radeonsi/si_shader_nir.c
+++ b/src/gallium/drivers/radeonsi/si_shader_nir.c
@@ -127,6 +127,36 @@ static void scan_instruction(struct tgsi_shader_info *info,
                case nir_intrinsic_ssbo_atomic_comp_swap:
                        info->writes_memory = true;
                        break;
+               case nir_intrinsic_interp_var_at_centroid:
+               case nir_intrinsic_interp_var_at_sample:
+               case nir_intrinsic_interp_var_at_offset: {
+                       enum glsl_interp_mode interp =
+                               intr->variables[0]->var->data.interpolation;
+                       switch (interp) {
+                       case INTERP_MODE_SMOOTH:
+                       case INTERP_MODE_NONE:
+                               if (intr->intrinsic == 
nir_intrinsic_interp_var_at_centroid)
+                                       info->uses_persp_opcode_interp_centroid 
= true;
+                               else if (intr->intrinsic == 
nir_intrinsic_interp_var_at_sample)
+                                       info->uses_persp_opcode_interp_sample = 
true;
+                               else
+                                       info->uses_persp_opcode_interp_offset = 
true;
+                               break;
+                       case INTERP_MODE_NOPERSPECTIVE:
+                               if (intr->intrinsic == 
nir_intrinsic_interp_var_at_centroid)
+                                       
info->uses_linear_opcode_interp_centroid = true;
+                               else if (intr->intrinsic == 
nir_intrinsic_interp_var_at_sample)
+                                       info->uses_linear_opcode_interp_sample 
= true;
+                               else
+                                       info->uses_linear_opcode_interp_offset 
= true;
+                               break;
+                       case INTERP_MODE_FLAT:
+                               break;
+                       default:
+                               unreachable("Unsupported interpoation type");
+                       }
+                       break;
+               }
                default:
                        break;
                }
-- 
2.14.3

_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev