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       1             : /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2             :  * This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef GFX_CanvasLayerMLGPU_H
       7             : #define GFX_CanvasLayerMLGPU_H
       8             : 
       9             : #include "Layers.h"                     // for CanvasLayer, etc
      10             : #include "TexturedLayerMLGPU.h"
      11             : #include "mozilla/Attributes.h"         // for override
      12             : #include "mozilla/RefPtr.h"             // for RefPtr
      13             : #include "mozilla/layers/LayerManagerMLGPU.h"  // for LayerComposite, etc
      14             : #include "mozilla/layers/LayersTypes.h"  // for LayerRenderState, etc
      15             : #include "nsDebug.h"                    // for NS_RUNTIMEABORT
      16             : #include "nsRect.h"                     // for mozilla::gfx::IntRect
      17             : #include "nscore.h"                     // for nsACString
      18             : 
      19             : namespace mozilla {
      20             : namespace layers {
      21             : 
      22             : class CompositableHost;
      23             : class ImageHost;
      24             : 
      25             : class CanvasLayerMLGPU final : public CanvasLayer,
      26             :                                public TexturedLayerMLGPU
      27             : {
      28             : public:
      29             :   explicit CanvasLayerMLGPU(LayerManagerMLGPU* aManager);
      30             : 
      31             : protected:
      32             :   ~CanvasLayerMLGPU() override;
      33             : 
      34             : public:
      35           0 :   void Initialize(const Data& aData) override {
      36           0 :     MOZ_CRASH("Incompatibe surface type");
      37             :   }
      38             : 
      39             :   Layer* GetLayer() override;
      40             :   void Disconnect() override;
      41             : 
      42           0 :   HostLayer* AsHostLayer() override { return this; }
      43           0 :   CanvasLayerMLGPU* AsCanvasLayerMLGPU() override { return this; }
      44             :   gfx::SamplingFilter GetSamplingFilter() override;
      45             :   void ClearCachedResources() override;
      46             :   void SetRegionToRender(LayerIntRegion&& aRegion) override;
      47             : 
      48           0 :   MOZ_LAYER_DECL_NAME("CanvasLayerMLGPU", TYPE_CANVAS)
      49             : 
      50             : protected:
      51             :   void PrintInfo(std::stringstream& aStream, const char* aPrefix) override;
      52             :   void CleanupResources();
      53             : };
      54             : 
      55             : } // namespace layers
      56             : } // namespace mozilla
      57             : 
      58             : #endif /* GFX_CanvasLayerMLGPU_H */