anv: Implement VK_KHR_uniform_buffer_standard_layout

There's no real work to do here since we already support scalar block
layout which is a direct superset of what this extension allows.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>

src/intel/vulkan/anv_device.c

@@ -1148,6 +1148,13 @@ void anv_GetPhysicalDeviceFeatures2(
          break;
       }
 
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_UNIFORM_BUFFER_STANDARD_LAYOUT_FEATURES_KHR: {
+         VkPhysicalDeviceUniformBufferStandardLayoutFeaturesKHR *features =
+            (VkPhysicalDeviceUniformBufferStandardLayoutFeaturesKHR *)ext;
+         features->uniformBufferStandardLayout = true;
+         break;
+      }
+
       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VERTEX_ATTRIBUTE_DIVISOR_FEATURES_EXT: {
          VkPhysicalDeviceVertexAttributeDivisorFeaturesEXT *features =
             (VkPhysicalDeviceVertexAttributeDivisorFeaturesEXT *)ext;

src/intel/vulkan/anv_extensions.py

@@ -112,6 +112,7 @@ EXTENSIONS = [
     Extension('VK_KHR_surface',                          25, 'ANV_HAS_SURFACE'),
     Extension('VK_KHR_surface_protected_capabilities',    1, 'ANV_HAS_SURFACE'),
     Extension('VK_KHR_swapchain',                        70, 'ANV_HAS_SURFACE'),
+    Extension('VK_KHR_uniform_buffer_standard_layout',    1, True),
     Extension('VK_KHR_variable_pointers',                 1, True),
     Extension('VK_KHR_wayland_surface',                   6, 'VK_USE_PLATFORM_WAYLAND_KHR'),
     Extension('VK_KHR_xcb_surface',                       6, 'VK_USE_PLATFORM_XCB_KHR'),