From bbebc1fb3575a7423d8257bc2d1607d3157e9351 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timur=20Krist=C3=B3f?= <timur.kristof@gmail.com>
Date: Thu, 20 Jan 2022 16:34:37 +0100
Subject: [PATCH] spirv: Add mesh_shading capability for EXT_mesh_shader.
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Indicates support for the EXT_mesh_shader SPIR-V capabilities.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18366>
---
 src/compiler/shader_info.h        | 1 +
 src/compiler/spirv/spirv_to_nir.c | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/src/compiler/shader_info.h b/src/compiler/shader_info.h
index d9dadac2ca3..2bffee43a48 100644
--- a/src/compiler/shader_info.h
+++ b/src/compiler/shader_info.h
@@ -74,6 +74,7 @@ struct spirv_supported_capabilities {
    bool kernel_image_read_write;
    bool linkage;
    bool literal_sampler;
+   bool mesh_shading;
    bool mesh_shading_nv;
    bool min_lod;
    bool multiview;
diff --git a/src/compiler/spirv/spirv_to_nir.c b/src/compiler/spirv/spirv_to_nir.c
index 7ddb6130274..9ff4f8a3cdd 100644
--- a/src/compiler/spirv/spirv_to_nir.c
+++ b/src/compiler/spirv/spirv_to_nir.c
@@ -4841,6 +4841,10 @@ vtn_handle_preamble_instruction(struct vtn_builder *b, SpvOp opcode,
          spv_check_supported(float64_atomic_min_max, cap);
          break;
 
+      case SpvCapabilityMeshShadingEXT:
+         spv_check_supported(mesh_shading, cap);
+         break;
+
       case SpvCapabilityMeshShadingNV:
          spv_check_supported(mesh_shading_nv, cap);
          break;