metal: return AlphaMode::Ignored when not transparent

kvark · May 7, 2024 · 27d34bc · 27d34bc
1 parent a804ef9
commit 27d34bc
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/Cargo.toml b/Cargo.toml
@@ -16,7 +16,7 @@ bitflags = "2"
 bytemuck = { version = "1", features = ["derive"] }
 choir = "0.7"
 egui = "0.26"
-glam = { version = "0.25", features = ["mint"] }
+glam = { version = "0.27", features = ["mint"] }
 gltf = { version = "1.1", default-features = false }
 log = "0.4"
 mint = "0.5"

diff --git a/blade-graphics/src/metal/surface.rs b/blade-graphics/src/metal/surface.rs
@@ -97,7 +97,13 @@ impl super::Surface {
 
         crate::SurfaceInfo {
             format,
-            alpha: crate::AlphaMode::PostMultiplied,
+            alpha: if config.transparent {
+                crate::AlphaMode::PostMultiplied
+            } else {
+                //Warning: it's not really ignored! Instead, it's assumed to be 1:
+                // https://developer.apple.com/documentation/quartzcore/calayer/1410763-isopaque
+                crate::AlphaMode::Ignored
+            },
         }
     }
 }