[msl-out] add min version check for primitive_id

gfx-rs · Oct 13, 2023 · a5afcf5 · a5afcf5
1 parent 85be781
commit a5afcf5
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/back/msl/mod.rs b/src/back/msl/mod.rs
@@ -258,6 +258,11 @@ impl Options {
                     crate::BuiltIn::InstanceIndex if self.lang_version < (1, 2) => {
                         return Err(Error::UnsupportedAttribute("instance_id".to_string()));
                     }
+                    // macOS: Since Metal 2.2
+                    // iOS: Since Metal 2.3 (check depends on https://github.com/gfx-rs/naga/issues/2164)
+                    crate::BuiltIn::PrimitiveIndex if self.lang_version < (2, 2) => {
+                        return Err(Error::UnsupportedAttribute("primitive_id".to_string()));
+                    }
                     _ => {}
                 }