WIP: fix(msl-out): use packed operations for matCx3

Author: ErichDonGubler

naga/src/back/msl/writer.rs

@@ -494,6 +494,11 @@ fn should_pack_struct_member(
             size: crate::VectorSize::Tri,
             scalar: scalar @ crate::Scalar { width: 4 | 2, .. },
         } if is_tight => Some(scalar),
+        crate::TypeInner::Matrix {
+            columns: _,
+            rows: crate::VectorSize::Tri,
+            scalar: scalar @ crate::Scalar { width: 4, .. },
+        } => Some(scalar),
         _ => None,
     }
 }

wgpu-hal/src/metal/adapter.rs

@@ -535,12 +535,19 @@ impl super::PrivateCapabilities {
             }
         }
 
-        let version: NSOperatingSystemVersion = unsafe {
+        #[allow(unused_assignments)]
+        let mut version: NSOperatingSystemVersion = unsafe {
             let process_info: *mut objc::runtime::Object =
                 msg_send![class!(NSProcessInfo), processInfo];
             msg_send![process_info, operatingSystemVersion]
         };
 
+        version = NSOperatingSystemVersion {
+            major: 10,
+            minor: 11,
+            patch: 0,
+        };
+
         let os_is_mac = device.supports_feature_set(MTLFeatureSet::macOS_GPUFamily1_v1);
         // Metal was first introduced in OS X 10.11 and iOS 8. The current version number of visionOS is 1.0.0. Additionally,
         // on the Simulator, Apple only provides the Apple2 GPU capability, and the Apple2+ GPU capability covers the capabilities of Apple2.

wgpu-hal/src/metal/device.rs

@@ -191,7 +191,7 @@ impl super::Device {
         );
 
         let options = metal::CompileOptions::new();
-        options.set_language_version(self.shared.private_caps.msl_version);
+        options.set_language_version(dbg!(self.shared.private_caps.msl_version));
 
         if self.shared.private_caps.supports_preserve_invariance {
             options.set_preserve_invariance(true);