1 files changed, 57 insertions, 0 deletions
diff --git a/gfx/layers/mlgpu/CanvasLayerMLGPU.h b/gfx/layers/mlgpu/CanvasLayerMLGPU.h
new file mode 100644
index 0000000000..d7c740a40d
--- /dev/null
+++ b/gfx/layers/mlgpu/CanvasLayerMLGPU.h
@@ -0,0 +1,57 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 GFX_CanvasLayerMLGPU_H
+#define GFX_CanvasLayerMLGPU_H
+
+#include "Layers.h"  // for CanvasLayer, etc
+#include "TexturedLayerMLGPU.h"
+#include "mozilla/Attributes.h"                // for override
+#include "mozilla/RefPtr.h"                    // for RefPtr
+#include "mozilla/layers/LayerManagerMLGPU.h"  // for LayerComposite, etc
+#include "mozilla/layers/LayersTypes.h"        // for LayerRenderState, etc
+#include "nsRect.h"                            // for mozilla::gfx::IntRect
+#include "nscore.h"                            // for nsACString
+
+namespace mozilla {
+namespace layers {
+
+class CompositableHost;
+class ImageHost;
+
+class CanvasLayerMLGPU final : public CanvasLayer, public TexturedLayerMLGPU {
+ public:
+  explicit CanvasLayerMLGPU(LayerManagerMLGPU* aManager);
+
+ protected:
+  virtual ~CanvasLayerMLGPU();
+
+ public:
+  Layer* GetLayer() override;
+  void Disconnect() override;
+
+  HostLayer* AsHostLayer() override { return this; }
+  CanvasLayerMLGPU* AsCanvasLayerMLGPU() override { return this; }
+  gfx::SamplingFilter GetSamplingFilter() override;
+  void ClearCachedResources() override;
+  void SetRenderRegion(LayerIntRegion&& aRegion) override;
+
+  MOZ_LAYER_DECL_NAME("CanvasLayerMLGPU", TYPE_CANVAS)
+
+ protected:
+  RefPtr<CanvasRenderer> CreateCanvasRendererInternal() override {
+    MOZ_CRASH("Incompatible surface type");
+    return nullptr;
+  }
+
+  void PrintInfo(std::stringstream& aStream, const char* aPrefix) override;
+  void CleanupResources();
+};
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif /* GFX_CanvasLayerMLGPU_H */