Support feature detection on mac/metal for extended blending

gfx-rs · Aug 3, 2023 · d20945d · d20945d
1 parent e1239fa
commit d20945d
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/wgpu-hal/src/metal/adapter.rs b/wgpu-hal/src/metal/adapter.rs
@@ -773,9 +773,10 @@ impl super::PrivateCapabilities {
             } else {
                 None
             },
-            support_timestamp_query: version.at_least((11, 0), (14, 0), os_is_mac)
+            support_timestamp_query: version.at_least((12, 0), (11, 0), os_is_mac)
                 && device
                     .supports_counter_sampling(metal::MTLCounterSamplingPoint::AtStageBoundary),
+            blend_func_extended: version.at_least((11, 0), (14, 0), os_is_mac),
             support_timestamp_query_in_passes: version.at_least((11, 0), (14, 0), os_is_mac)
                 && device.supports_counter_sampling(metal::MTLCounterSamplingPoint::AtDrawBoundary)
                 && device
@@ -807,6 +808,7 @@ impl super::PrivateCapabilities {
             | F::DEPTH32FLOAT_STENCIL8
             | F::MULTI_DRAW_INDIRECT;
 
+        features.set(F::BLEND_FUNC_EXTENDED , self.blend_func_extended);
         features.set(F::TIMESTAMP_QUERY, self.support_timestamp_query);
         // TODO: Not yet implemented.
         // features.set(

diff --git a/wgpu-hal/src/metal/mod.rs b/wgpu-hal/src/metal/mod.rs
@@ -239,6 +239,7 @@ struct PrivateCapabilities {
     has_unified_memory: Option<bool>,
     support_timestamp_query: bool,
     support_timestamp_query_in_passes: bool,
+    blend_func_extended: bool,
 }
 
 #[derive(Clone, Debug)]