v3dv: implement VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_POINT_CLIPPING_PROPERTIES

Relevant CTS test (requires VK_KHR_maintenance2);
dEQP-VK.clipping.clip_volume.clipped.large_points

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10951>

src/broadcom/vulkan/v3dv_device.c

@@ -1242,6 +1242,13 @@ v3dv_GetPhysicalDeviceProperties2(VkPhysicalDevice physicalDevice,
           * never provide this extension.
           */
          break;
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_POINT_CLIPPING_PROPERTIES: {
+         VkPhysicalDevicePointClippingProperties *props =
+            (VkPhysicalDevicePointClippingProperties *)ext;
+         props->pointClippingBehavior =
+            VK_POINT_CLIPPING_BEHAVIOR_ALL_CLIP_PLANES;
+         break;
+      }
       default:
          v3dv_debug_ignored_stype(ext->sType);
          break;