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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 MOZILLA_GFX_IMAGELAYERMLGPU_H
       7             : #define MOZILLA_GFX_IMAGELAYERMLGPU_H
       8             : 
       9             : #include "LayerManagerMLGPU.h"
      10             : #include "TexturedLayerMLGPU.h"
      11             : #include "ImageLayers.h"
      12             : #include "mozilla/layers/ImageHost.h"
      13             : 
      14             : namespace mozilla {
      15             : namespace layers {
      16             : 
      17             : class ImageLayerMLGPU final : public ImageLayer
      18             :                             , public TexturedLayerMLGPU
      19             : {
      20             : public:
      21             :   explicit ImageLayerMLGPU(LayerManagerMLGPU* aManager);
      22             : 
      23             : 
      24           0 :   Layer* GetLayer() override { return this; }
      25           0 :   HostLayer* AsHostLayer() override { return this; }
      26           0 :   ImageLayerMLGPU* AsImageLayerMLGPU() override { return this; }
      27             : 
      28             :   void ComputeEffectiveTransforms(const gfx::Matrix4x4& aTransformToSurface) override;
      29             :   void SetRegionToRender(LayerIntRegion&& aRegion) override;
      30             :   gfx::SamplingFilter GetSamplingFilter() override;
      31             :   void ClearCachedResources() override;
      32             :   bool IsContentOpaque() override;
      33             :   void Disconnect() override;
      34             : 
      35           0 :   Maybe<gfx::Size> GetPictureScale() const override {
      36           0 :     return mScale;
      37             :   }
      38             : 
      39           0 :   MOZ_LAYER_DECL_NAME("ImageLayerMLGPU", TYPE_IMAGE)
      40             : 
      41             : protected:
      42             :   ~ImageLayerMLGPU() override;
      43             : 
      44             :   void PrintInfo(std::stringstream& aStream, const char* aPrefix) override;
      45             :   void CleanupResources();
      46             : 
      47             : private:
      48             :   Maybe<gfx::Size> mScale;
      49             : };
      50             : 
      51             : } // namespace layers
      52             : } // namespace mozilla
      53             : 
      54             : #endif