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       1             : /* -*- Mode: C++; tab-width: 2; 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_WEBRENDERPAINTEDLAYER_H
       7             : #define GFX_WEBRENDERPAINTEDLAYER_H
       8             : 
       9             : #include "Layers.h"
      10             : #include "mozilla/layers/ContentClient.h"
      11             : #include "mozilla/layers/WebRenderBridgeChild.h"
      12             : #include "mozilla/layers/WebRenderLayer.h"
      13             : #include "mozilla/layers/WebRenderLayerManager.h"
      14             : #include "mozilla/webrender/WebRenderTypes.h"
      15             : 
      16             : namespace mozilla {
      17             : namespace layers {
      18             : 
      19             : class WebRenderPaintedLayer : public WebRenderLayer,
      20             :                               public PaintedLayer {
      21             : public:
      22             :   typedef RotatedContentBuffer::PaintState PaintState;
      23             :   typedef RotatedContentBuffer::ContentType ContentType;
      24             : 
      25           0 :   explicit WebRenderPaintedLayer(WebRenderLayerManager* aLayerManager)
      26           0 :     : PaintedLayer(aLayerManager, static_cast<WebRenderLayer*>(this), LayerManager::NONE)
      27             :   {
      28           0 :     MOZ_COUNT_CTOR(WebRenderPaintedLayer);
      29           0 :   }
      30             : 
      31             : protected:
      32           0 :   virtual ~WebRenderPaintedLayer()
      33           0 :   {
      34           0 :     MOZ_COUNT_DTOR(WebRenderPaintedLayer);
      35           0 :     if (mExternalImageId.isSome()) {
      36           0 :       WrBridge()->DeallocExternalImageId(mExternalImageId.ref());
      37             :     }
      38           0 :   }
      39             : 
      40             :   wr::MaybeExternalImageId mExternalImageId;
      41             : 
      42             : public:
      43           0 :   virtual void InvalidateRegion(const nsIntRegion& aRegion) override
      44             :   {
      45           0 :     mInvalidRegion.Add(aRegion);
      46           0 :     UpdateValidRegionAfterInvalidRegionChanged();
      47           0 :   }
      48             : 
      49           0 :   Layer* GetLayer() override { return this; }
      50             :   void RenderLayer(wr::DisplayListBuilder& aBuilder,
      51             :                    const StackingContextHelper& aSc) override;
      52             :   RefPtr<ImageContainer> mImageContainer;
      53             :   RefPtr<ImageClient> mImageClient;
      54             : 
      55             : private:
      56             :   bool SetupExternalImages();
      57             :   bool UpdateImageClient();
      58             :   void CreateWebRenderDisplayList(wr::DisplayListBuilder& aBuilder,
      59             :                                   const StackingContextHelper& aSc);
      60             : };
      61             : 
      62             : } // namespace layers
      63             : } // namespace mozilla
      64             : 
      65             : #endif // GFX_WEBRENDERPAINTEDLAYER_H