commit 5070e3e3d9e3f573bd1c038552a36f577604801c
author Piers Daniell <pdaniell@nvidia.com> Tue Aug 20 13:39:35 2019 -0600
committer Mark Lobodzinski <mark@lunarg.com> Wed Aug 21 13:32:02 2019 -0600
tree 8201cd6f0b31cb1c4f444ec265947a49a522fa22
parent 8568fb00e8e44974d32555c35a62574a84c5b46c

corechecks: Add support for VK_INDEX_TYPE_UINT8_EXT

Change-Id: I546fb10e40445273c6cc5b0983fe9d8a11b823be

layers/core_validation.cpp

diff --git a/layers/core_validation.cpp b/layers/core_validation.cpp
index abbdbd7..a52bfcf 100644
--- a/layers/core_validation.cpp
+++ b/layers/core_validation.cpp
@@ -7732,6 +7732,8 @@
             return 2;
         case VK_INDEX_TYPE_UINT32:
             return 4;
+        case VK_INDEX_TYPE_UINT8_EXT:
+            return 1;
         default:
             // Not a real index type. Express no alignment requirement here; we expect upper layer
             // to have already picked up on the enum being nonsense.

layers/drawdispatch.cpp

diff --git a/layers/drawdispatch.cpp b/layers/drawdispatch.cpp
index e9b5dc6..8779d95 100644
--- a/layers/drawdispatch.cpp
+++ b/layers/drawdispatch.cpp
@@ -108,6 +108,8 @@
             index_size = 2;
         } else if (index_buffer_binding.index_type == VK_INDEX_TYPE_UINT32) {
             index_size = 4;
+        } else if (index_buffer_binding.index_type == VK_INDEX_TYPE_UINT8_EXT) {
+            index_size = 1;
         }
         VkDeviceSize end_offset = (index_size * ((VkDeviceSize)firstIndex + indexCount)) + index_buffer_binding.offset;
         if (end_offset > index_buffer_binding.size) {