commit d8dbdf20de840d81f8bc5e12a5ded0a423bb2a5f
author Jason Ekstrand <jason@jlekstrand.net> Wed May 13 13:01:28 2020 -0500
committer Marge Bot <eric+marge@anholt.net> Thu Nov 05 23:36:45 2020 +0000
tree ea1410597e4293dfc280565500ca93c6f050acf7
parent f65182931dbcae545034ae7230bbcdcfea7d91da

spirv: Add basic plumbing for ray-tracing capabilities

Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6479>

src/compiler/shader_info.h

diff --git a/src/compiler/shader_info.h b/src/compiler/shader_info.h
index 8d77d5c..680fff6 100644
--- a/src/compiler/shader_info.h
+++ b/src/compiler/shader_info.h
@@ -66,6 +66,9 @@
    bool multiview;
    bool physical_storage_buffer_address;
    bool post_depth_coverage;
+   bool ray_tracing;
+   bool ray_query;
+   bool ray_traversal_primitive_culling;
    bool runtime_descriptor_array;
    bool float_controls;
    bool shader_clock;

src/compiler/spirv/spirv_to_nir.c

diff --git a/src/compiler/spirv/spirv_to_nir.c b/src/compiler/spirv/spirv_to_nir.c
index 0f89a78..b9b0854 100644
--- a/src/compiler/spirv/spirv_to_nir.c
+++ b/src/compiler/spirv/spirv_to_nir.c
@@ -4401,6 +4401,18 @@
          spv_check_supported(intel_subgroup_buffer_block_io, cap);
          break;
 
+      case SpvCapabilityRayTracingProvisionalKHR:
+         spv_check_supported(ray_tracing, cap);
+         break;
+
+      case SpvCapabilityRayQueryProvisionalKHR:
+         spv_check_supported(ray_query, cap);
+         break;
+
+      case SpvCapabilityRayTraversalPrimitiveCullingProvisionalKHR:
+         spv_check_supported(ray_traversal_primitive_culling, cap);
+         break;
+
       default:
          vtn_fail("Unhandled capability: %s (%u)",
                   spirv_capability_to_string(cap), cap);