1 files changed, 50 insertions, 0 deletions
diff --git a/dom/webgpu/SwapChain.h b/dom/webgpu/SwapChain.h
new file mode 100644
index 0000000000..48b1aab35e
--- /dev/null
+++ b/dom/webgpu/SwapChain.h
@@ -0,0 +1,50 @@
+/* -*- 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_SwapChain_H_
+#define GPU_SwapChain_H_
+
+#include "nsWrapperCache.h"
+#include "ObjectModel.h"
+#include "mozilla/webrender/WebRenderAPI.h"
+
+namespace mozilla {
+namespace dom {
+struct GPUExtent3DDict;
+struct GPUSwapChainDescriptor;
+}  // namespace dom
+namespace webgpu {
+
+class Device;
+class Texture;
+
+class SwapChain final : public ObjectBase, public ChildOf<Device> {
+ public:
+  GPU_DECL_CYCLE_COLLECTION(SwapChain)
+  GPU_DECL_JS_WRAP(SwapChain)
+
+  SwapChain(const dom::GPUSwapChainDescriptor& aDesc,
+            const dom::GPUExtent3DDict& aExtent3D,
+            wr::ExternalImageId aExternalImageId, gfx::SurfaceFormat aFormat);
+
+  WebGPUChild* GetGpuBridge() const;
+  void Destroy(wr::ExternalImageId aExternalImageId);
+
+  const gfx::SurfaceFormat mFormat;
+
+ private:
+  virtual ~SwapChain();
+  void Cleanup();
+
+  RefPtr<Texture> mTexture;
+
+ public:
+  RefPtr<Texture> GetCurrentTexture();
+};
+
+}  // namespace webgpu
+}  // namespace mozilla
+
+#endif  // GPU_SwapChain_H_