1 files changed, 102 insertions, 0 deletions
diff --git a/dom/webgpu/CommandEncoder.h b/dom/webgpu/CommandEncoder.h
new file mode 100644
index 0000000000..ca04809db6
--- /dev/null
+++ b/dom/webgpu/CommandEncoder.h
@@ -0,0 +1,102 @@
+/* -*- 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_CommandEncoder_H_
+#define GPU_CommandEncoder_H_
+
+#include "mozilla/dom/TypedArray.h"
+#include "mozilla/WeakPtr.h"
+#include "mozilla/webgpu/WebGPUTypes.h"
+#include "nsWrapperCache.h"
+#include "ObjectModel.h"
+
+namespace mozilla {
+namespace dom {
+struct GPUComputePassDescriptor;
+struct GPUTextureDataLayout;
+class HTMLCanvasElement;
+template <typename T>
+class Sequence;
+class GPUComputePipelineOrGPURenderPipeline;
+class RangeEnforcedUnsignedLongSequenceOrGPUExtent3DDict;
+struct GPUBufferCopyView;
+struct GPUCommandBufferDescriptor;
+struct GPUImageBitmapCopyView;
+struct GPURenderPassDescriptor;
+struct GPUTextureCopyView;
+typedef RangeEnforcedUnsignedLongSequenceOrGPUExtent3DDict GPUExtent3D;
+}  // namespace dom
+namespace webgpu {
+namespace ffi {
+struct WGPUComputePass;
+struct WGPURenderPass;
+struct WGPUTextureDataLayout;
+struct WGPUTextureCopyView_TextureId;
+struct WGPUExtent3d;
+}  // namespace ffi
+
+class BindGroup;
+class Buffer;
+class CommandBuffer;
+class ComputePassEncoder;
+class Device;
+class RenderPassEncoder;
+
+class CommandEncoder final : public ObjectBase, public ChildOf<Device> {
+ public:
+  GPU_DECL_CYCLE_COLLECTION(CommandEncoder)
+  GPU_DECL_JS_WRAP(CommandEncoder)
+
+  CommandEncoder(Device* const aParent, WebGPUChild* const aBridge, RawId aId);
+
+  const RawId mId;
+
+  static void ConvertTextureDataLayoutToFFI(
+      const dom::GPUTextureDataLayout& aLayout,
+      ffi::WGPUTextureDataLayout* aLayoutFFI);
+  static void ConvertTextureCopyViewToFFI(
+      const dom::GPUTextureCopyView& aView,
+      ffi::WGPUTextureCopyView_TextureId* aViewFFI);
+  static void ConvertExtent3DToFFI(const dom::GPUExtent3D& aExtent,
+                                   ffi::WGPUExtent3d* aExtentFFI);
+
+ private:
+  ~CommandEncoder();
+  void Cleanup();
+
+  RefPtr<WebGPUChild> mBridge;
+  // TODO: support multiple target canvases per command encoder
+  WeakPtr<dom::HTMLCanvasElement> mTargetCanvasElement;
+
+ public:
+  void EndComputePass(ffi::WGPUComputePass& aPass, ErrorResult& aRv);
+  void EndRenderPass(ffi::WGPURenderPass& aPass, ErrorResult& aRv);
+
+  void CopyBufferToBuffer(const Buffer& aSource, BufferAddress aSourceOffset,
+                          const Buffer& aDestination,
+                          BufferAddress aDestinationOffset,
+                          BufferAddress aSize);
+  void CopyBufferToTexture(const dom::GPUBufferCopyView& aSource,
+                           const dom::GPUTextureCopyView& aDestination,
+                           const dom::GPUExtent3D& aCopySize);
+  void CopyTextureToBuffer(const dom::GPUTextureCopyView& aSource,
+                           const dom::GPUBufferCopyView& aDestination,
+                           const dom::GPUExtent3D& aCopySize);
+  void CopyTextureToTexture(const dom::GPUTextureCopyView& aSource,
+                            const dom::GPUTextureCopyView& aDestination,
+                            const dom::GPUExtent3D& aCopySize);
+
+  already_AddRefed<ComputePassEncoder> BeginComputePass(
+      const dom::GPUComputePassDescriptor& aDesc);
+  already_AddRefed<RenderPassEncoder> BeginRenderPass(
+      const dom::GPURenderPassDescriptor& aDesc);
+  already_AddRefed<CommandBuffer> Finish(
+      const dom::GPUCommandBufferDescriptor& aDesc);
+};
+
+}  // namespace webgpu
+}  // namespace mozilla
+
+#endif  // GPU_CommandEncoder_H_