well.. everything is in the TARGET_SPECS const from its compilation so, let us just use that.

Author: alphastrata

crates/cargo-gpu/src/show.rs

@@ -86,24 +86,9 @@ impl Show {
     }
 
     fn available_spirv_targets_iter() -> impl Iterator<Item = String> {
-        const TARGET_SPECS_PATH: &str = "~/.cache/rust-gpu/codegen/<version_string>/target-specs/";
-
-        let cache_iter = std::fs::read_dir(TARGET_SPECS_PATH)
-            .ok()
-            .into_iter()
-            .flatten()
-            .filter_map(|entry| entry.ok())
-            .map(|de| de.path())
-            .filter(|p| p.extension().is_some_and(|v| v == "json"))
-            .filter_map(|mut p| {
-                p.set_extension("");
-                p.file_name().map(|f| f.to_string_lossy().into_owned())
-            });
-
-        let legacy_iter = legacy_target_specs::TARGET_SPECS
+        legacy_target_specs::TARGET_SPECS
             .iter()
-            .map(|(spec, _src)| spec.replace(".json", ""));
-
-        cache_iter.chain(legacy_iter)
+            .filter(|(spec, _src)| spec.contains("vulkan"))
+            .map(|(spec, _src)| spec.replace(".json", ""))
     }
 }