turnip: enable VK_EXT_index_type_uint8

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5579>
diff --git a/src/freedreno/vulkan/tu_device.c b/src/freedreno/vulkan/tu_device.c
index dfc6cf5..ee8120a 100644
--- a/src/freedreno/vulkan/tu_device.c
+++ b/src/freedreno/vulkan/tu_device.c
@@ -716,6 +716,12 @@
          features->geometryStreams = false;
          break;
       }
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_INDEX_TYPE_UINT8_FEATURES_EXT: {
+         VkPhysicalDeviceIndexTypeUint8FeaturesEXT *features =
+            (VkPhysicalDeviceIndexTypeUint8FeaturesEXT *)ext;
+         features->indexTypeUint8 = true;
+         break;
+      }
       default:
          break;
       }
diff --git a/src/freedreno/vulkan/tu_extensions.py b/src/freedreno/vulkan/tu_extensions.py
index 7d5c3ea..20539c7 100644
--- a/src/freedreno/vulkan/tu_extensions.py
+++ b/src/freedreno/vulkan/tu_extensions.py
@@ -79,6 +79,7 @@
     Extension('VK_KHR_external_fence_fd',                 1, True),
     Extension('VK_IMG_filter_cubic',                      1, 'device->gpu_id == 650'),
     Extension('VK_EXT_filter_cubic',                      1, 'device->gpu_id == 650'),
+    Extension('VK_EXT_index_type_uint8',                  1, True),
 ]
 
 MAX_API_VERSION = VkVersion(MAX_API_VERSION)