Mesa (master): nir/gather_info: recognize load_patch_vertices_in as a system value

[Iago Toral Quiroga]

Module: Mesa
Branch: master
Commit: a217cbd7ece78d59ae362dc431e74d663def60bf
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a217cbd7ece78d59ae362dc431e74d663def60bf

Author: Iago Toral Quiroga <itoral at igalia.com>
Date:   Thu Nov 16 08:53:07 2017 +0100

nir/gather_info: recognize load_patch_vertices_in as a system value

This intrinsic is produced to load SYSTEM_VALUE_VERTICES_IN, which is
generated to load gl_PatchVerticesIn in the SPIR-V path for both
Vulkan and OpenGL.

Reviewed-by: Marek Olšák <marek.olsak at amd.com>

---

 src/compiler/nir/nir_gather_info.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/compiler/nir/nir_gather_info.c b/src/compiler/nir/nir_gather_info.c
index 13cdae39ec..a322af794e 100644
--- a/src/compiler/nir/nir_gather_info.c
+++ b/src/compiler/nir/nir_gather_info.c
@@ -246,6 +246,7 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, nir_shader *shader)
    case nir_intrinsic_load_tess_coord:
    case nir_intrinsic_load_tess_level_outer:
    case nir_intrinsic_load_tess_level_inner:
+   case nir_intrinsic_load_patch_vertices_in:
       shader->info.system_values_read |=
          (1ull << nir_system_value_from_intrinsic(instr->intrinsic));
       break;