From 191fab68b0553ce8c84ccbab2529704063337ac2 Mon Sep 17 00:00:00 2001
From: Jason Ekstrand <jason@jlekstrand.net>
Date: Sat, 20 Jun 2020 10:40:34 -0500
Subject: [PATCH] anv/formats: Advertise
 ACCELERATION_STRUCTURE_VERTEX_BUFFER_BIT

v2: Only expose the bit when ray tracing is supported.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acked-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16970>
---
 src/intel/vulkan/anv_formats.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/intel/vulkan/anv_formats.c b/src/intel/vulkan/anv_formats.c
index a05a4d3eca9..ba7ef9c785c 100644
--- a/src/intel/vulkan/anv_formats.c
+++ b/src/intel/vulkan/anv_formats.c
@@ -840,6 +840,21 @@ get_buffer_format_features2(const struct intel_device_info *devinfo,
    if (isl_format == ISL_FORMAT_R32_SINT || isl_format == ISL_FORMAT_R32_UINT)
       flags |= VK_FORMAT_FEATURE_2_STORAGE_TEXEL_BUFFER_ATOMIC_BIT;
 
+   if (devinfo->has_ray_tracing) {
+      switch (vk_format) {
+      case VK_FORMAT_R32G32_SFLOAT:
+      case VK_FORMAT_R32G32B32_SFLOAT:
+      case VK_FORMAT_R16G16_SFLOAT:
+      case VK_FORMAT_R16G16B16A16_SFLOAT:
+      case VK_FORMAT_R16G16_SNORM:
+      case VK_FORMAT_R16G16B16A16_SNORM:
+         flags |= VK_FORMAT_FEATURE_ACCELERATION_STRUCTURE_VERTEX_BUFFER_BIT_KHR;
+         break;
+      default:
+         break;
+      }
+   }
+
    return flags;
 }