Mesa (main): spirv: add MeshViewCountNV/MeshViewIndidcesNV builtins from SPV_NV_mesh_shader

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Module: Mesa
Branch: main
Commit: e4ff7fd76adf35233a8899cf3e7c89de6ce8bc6c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e4ff7fd76adf35233a8899cf3e7c89de6ce8bc6c

Author: Marcin Ślusarz <marcin.slusarz at intel.com>
Date:   Thu Dec 16 14:28:58 2021 +0100

spirv: add MeshViewCountNV/MeshViewIndidcesNV builtins from SPV_NV_mesh_shader

Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>
Reviewed-by: Caio Oliveira <caio.oliveira at intel.com>
Acked-by: Timur Kristóf <timur.kristof at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14263>

---

 src/compiler/spirv/vtn_variables.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/compiler/spirv/vtn_variables.c b/src/compiler/spirv/vtn_variables.c
index fd17127542f..3ee5f611d3c 100644
--- a/src/compiler/spirv/vtn_variables.c
+++ b/src/compiler/spirv/vtn_variables.c
@@ -1140,6 +1140,14 @@ vtn_get_builtin_location(struct vtn_builder *b,
    case SpvBuiltInTaskCountNV:
       *location = VARYING_SLOT_TASK_COUNT;
       break;
+   case SpvBuiltInMeshViewCountNV:
+      *location = SYSTEM_VALUE_MESH_VIEW_COUNT;
+      set_mode_system_value(b, mode);
+      break;
+   case SpvBuiltInMeshViewIndicesNV:
+      *location = SYSTEM_VALUE_MESH_VIEW_INDICES;
+      set_mode_system_value(b, mode);
+      break;
    default:
       vtn_fail("Unsupported builtin: %s (%u)",
                spirv_builtin_to_string(builtin), builtin);