Update naga capabilities for TLAS array

Author: kvark

naga/src/back/hlsl/mod.rs

@@ -770,6 +770,7 @@ pub fn supported_capabilities() -> crate::valid::Capabilities {
         // No BUFFER_BINDING_ARRAY
         | Caps::STORAGE_TEXTURE_BINDING_ARRAY
         // No STORAGE_BUFFER_BINDING_ARRAY
+        | Caps::ACCELERATION_STRUCTURE_BINDING_ARRAY
         // No CLIP_DISTANCE
         // No CULL_DISTANCE
         | Caps::STORAGE_TEXTURE_16BIT_NORM_FORMATS

naga/src/back/spv/mod.rs

@@ -1157,6 +1157,7 @@ pub fn supported_capabilities() -> crate::valid::Capabilities {
         | Caps::BUFFER_BINDING_ARRAY
         | Caps::STORAGE_TEXTURE_BINDING_ARRAY
         | Caps::STORAGE_BUFFER_BINDING_ARRAY
+        | Caps::ACCELERATION_STRUCTURE_BINDING_ARRAY
         | Caps::CLIP_DISTANCE
         // No cull distance
         | Caps::STORAGE_TEXTURE_16BIT_NORM_FORMATS

tests/tests/wgpu-gpu/binding_array/tlas.rs

@@ -3,7 +3,7 @@ use std::{borrow::Cow, num::NonZeroU32};
 use wgpu::util::DeviceExt;
 use wgpu::*;
 use wgpu_test::{
-    gpu_test, FailureCase, GpuTestConfiguration, GpuTestInitializer, TestParameters, TestingContext,
+    gpu_test, GpuTestConfiguration, GpuTestInitializer, TestParameters, TestingContext,
 };
 
 pub fn all_tests(tests: &mut Vec<GpuTestInitializer>) {
@@ -24,9 +24,7 @@ static BINDING_ARRAY_TLAS: GpuTestConfiguration = GpuTestConfiguration::new()
                 max_acceleration_structures_per_shader_stage: 8,
                 max_binding_array_acceleration_structure_elements_per_shader_stage: 8,
                 ..Limits::default().using_minimum_supported_acceleration_structure_values()
-            })
-            // As of writing, Metal's HAL does not implement binding acceleration structures.
-            .skip(FailureCase::backend(Backends::METAL)),
+            }),
     )
     .run_async(|ctx| async move { binding_array_tlas(ctx).await });