1 files changed, 43 insertions, 0 deletions
diff --git a/dom/webgpu/SupportedFeatures.h b/dom/webgpu/SupportedFeatures.h
new file mode 100644
index 0000000000..b60c554f6c
--- /dev/null
+++ b/dom/webgpu/SupportedFeatures.h
@@ -0,0 +1,43 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GPU_SupportedFeatures_H_
+#define GPU_SupportedFeatures_H_
+
+#include "nsWrapperCache.h"
+#include "ObjectModel.h"
+
+#include <unordered_set>
+
+namespace mozilla {
+class ErrorResult;
+namespace dom {
+enum class GPUFeatureName : uint8_t;
+}  // namespace dom
+}  // namespace mozilla
+
+namespace mozilla::webgpu {
+class Adapter;
+
+class SupportedFeatures final : public nsWrapperCache, public ChildOf<Adapter> {
+ public:
+  GPU_DECL_CYCLE_COLLECTION(SupportedFeatures)
+  GPU_DECL_JS_WRAP(SupportedFeatures)
+
+  explicit SupportedFeatures(Adapter* const aParent);
+
+  void Add(dom::GPUFeatureName, ErrorResult&);
+  const auto& Features() const { return mFeatures; }
+
+ private:
+  ~SupportedFeatures() = default;
+  void Cleanup() {}
+
+  std::unordered_set<dom::GPUFeatureName> mFeatures;
+};
+
+}  // namespace mozilla::webgpu
+
+#endif  // GPU_SupportedFeatures_H_