1 files changed, 73 insertions, 0 deletions
diff --git a/dom/webgpu/Adapter.h b/dom/webgpu/Adapter.h
new file mode 100644
index 0000000000..c2477b8c89
--- /dev/null
+++ b/dom/webgpu/Adapter.h
@@ -0,0 +1,73 @@
+/* -*- 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_Adapter_H_
+#define GPU_Adapter_H_
+
+#include "mozilla/AlreadyAddRefed.h"
+#include "mozilla/webgpu/WebGPUTypes.h"
+#include "nsString.h"
+#include "ObjectModel.h"
+
+namespace mozilla {
+class ErrorResult;
+namespace dom {
+class Promise;
+struct GPUDeviceDescriptor;
+struct GPUExtensions;
+struct GPUFeatures;
+enum class GPUFeatureName : uint8_t;
+template <typename T>
+class Sequence;
+}  // namespace dom
+
+namespace webgpu {
+class Device;
+class Instance;
+class SupportedFeatures;
+class SupportedLimits;
+class WebGPUChild;
+namespace ffi {
+struct WGPUAdapterInformation;
+}  // namespace ffi
+
+class Adapter final : public ObjectBase, public ChildOf<Instance> {
+ public:
+  GPU_DECL_CYCLE_COLLECTION(Adapter)
+  GPU_DECL_JS_WRAP(Adapter)
+
+  RefPtr<WebGPUChild> mBridge;
+
+  static Maybe<uint32_t> MakeFeatureBits(
+      const dom::Sequence<dom::GPUFeatureName>& aFeatures);
+
+ private:
+  ~Adapter();
+  void Cleanup();
+
+  const RawId mId;
+  const nsString mName;
+  // Cant have them as `const` right now, since we wouldn't be able
+  // to unlink them in CC unlink.
+  RefPtr<SupportedFeatures> mFeatures;
+  RefPtr<SupportedLimits> mLimits;
+  const bool mIsFallbackAdapter = false;
+
+ public:
+  Adapter(Instance* const aParent, WebGPUChild* const aBridge,
+          const ffi::WGPUAdapterInformation& aInfo);
+  void GetName(nsString& out) const { out = mName; }
+  const RefPtr<SupportedFeatures>& Features() const;
+  const RefPtr<SupportedLimits>& Limits() const;
+  bool IsFallbackAdapter() const { return mIsFallbackAdapter; }
+
+  already_AddRefed<dom::Promise> RequestDevice(
+      const dom::GPUDeviceDescriptor& aDesc, ErrorResult& aRv);
+};
+
+}  // namespace webgpu
+}  // namespace mozilla
+
+#endif  // GPU_Adapter_H_