Adds feature detection for Metal.

gfx-rs · Oct 23, 2023 · 64603cb · 64603cb
1 parent 9e6fdd8
commit 64603cb
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diff --git a/wgpu-hal/src/metal/adapter.rs b/wgpu-hal/src/metal/adapter.rs
@@ -800,6 +800,12 @@ impl super::PrivateCapabilities {
                 None
             },
             timestamp_query_support,
+            supports_simd_scoped_operations: family_check
+                && (device.supports_family(MTLGPUFamily::Metal3)
+                    || device.supports_family(MTLGPUFamily::Mac2)
+                    || device.supports_family(MTLGPUFamily::Apple7)
+                    || device.supports_family(MTLGPUFamily::Apple8)
+                    || device.supports_family(MTLGPUFamily::Apple9)),
         }
     }
 
@@ -878,6 +884,10 @@ impl super::PrivateCapabilities {
         features.set(F::RG11B10UFLOAT_RENDERABLE, self.format_rg11b10_all);
         features.set(F::SHADER_UNUSED_VERTEX_OUTPUT, true);
 
+        if self.supports_simd_scoped_operations {
+            features.insert(F::SUBGROUP_OPERATIONS);
+        }
+
         features
     }
 

diff --git a/wgpu-hal/src/metal/mod.rs b/wgpu-hal/src/metal/mod.rs
@@ -259,6 +259,7 @@ struct PrivateCapabilities {
     supports_shader_primitive_index: bool,
     has_unified_memory: Option<bool>,
     timestamp_query_support: TimestampQuerySupport,
+    supports_simd_scoped_operations: bool,
 }
 
 #[derive(Clone, Debug)]