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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_GPUVIDEOTEXTUREHOST_H
       7             : #define MOZILLA_GFX_GPUVIDEOTEXTUREHOST_H
       8             : 
       9             : #include "mozilla/layers/TextureHost.h"
      10             : 
      11             : namespace mozilla {
      12             : namespace layers {
      13             : 
      14             : class GPUVideoTextureHost : public TextureHost
      15             : {
      16             : public:
      17             :  GPUVideoTextureHost(TextureFlags aFlags,
      18             :                      const SurfaceDescriptorGPUVideo& aDescriptor);
      19             :   virtual ~GPUVideoTextureHost();
      20             : 
      21           0 :   virtual void DeallocateDeviceData() override {}
      22             : 
      23             :   virtual void SetTextureSourceProvider(TextureSourceProvider* aProvider) override;
      24             : 
      25             :   virtual bool Lock() override;
      26             : 
      27             :   virtual void Unlock() override;
      28             : 
      29             :   virtual gfx::SurfaceFormat GetFormat() const override;
      30             : 
      31             :   virtual bool BindTextureSource(CompositableTextureSourceRef& aTexture) override;
      32             :   virtual bool AcquireTextureSource(CompositableTextureSourceRef& aTexture) override;
      33             : 
      34           0 :   virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override
      35             :   {
      36           0 :     return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
      37             :   }
      38             : 
      39             :   virtual YUVColorSpace GetYUVColorSpace() const override;
      40             : 
      41             :   virtual gfx::IntSize GetSize() const override;
      42             : 
      43             : #ifdef MOZ_LAYERS_HAVE_LOG
      44           0 :   virtual const char* Name() override { return "GPUVideoTextureHost"; }
      45             : #endif
      46             : 
      47             :   virtual bool HasIntermediateBuffer() const override;
      48             : 
      49             :   virtual void CreateRenderTexture(const wr::ExternalImageId& aExternalImageId) override;
      50             : 
      51             :   virtual void GetWRImageKeys(nsTArray<wr::ImageKey>& aImageKeys,
      52             :                               const std::function<wr::ImageKey()>& aImageKeyAllocator) override;
      53             : 
      54             :   virtual void AddWRImage(wr::WebRenderAPI* aAPI,
      55             :                           Range<const wr::ImageKey>& aImageKeys,
      56             :                           const wr::ExternalImageId& aExtID) override;
      57             : 
      58             :   virtual void PushExternalImage(wr::DisplayListBuilder& aBuilder,
      59             :                                  const WrRect& aBounds,
      60             :                                  const WrRect& aClip,
      61             :                                  wr::ImageRendering aFilter,
      62             :                                  Range<const wr::ImageKey>& aImageKeys) override;
      63             : 
      64             : protected:
      65             :   RefPtr<TextureHost> mWrappedTextureHost;
      66             : };
      67             : 
      68             : } // namespace layers
      69             : } // namespace mozilla
      70             : 
      71             : #endif // MOZILLA_GFX_GPUVIDEOTEXTUREHOST_H