Line data    Source code

       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_RENDERBUFFERTEXTUREHOST_H
       7             : #define MOZILLA_GFX_RENDERBUFFERTEXTUREHOST_H
       8             : 
       9             : #include "RenderTextureHost.h"
      10             : 
      11             : namespace mozilla {
      12             : namespace wr {
      13             : 
      14             : class RenderBufferTextureHost final : public RenderTextureHost
      15             : {
      16             : public:
      17             :   RenderBufferTextureHost(uint8_t* aBuffer,
      18             :                           const layers::BufferDescriptor& aDescriptor);
      19             : 
      20             :   virtual bool Lock() override;
      21             :   virtual void Unlock() override;
      22             : 
      23           0 :   virtual RenderBufferTextureHost* AsBufferTextureHost() override
      24             :   {
      25           0 :     return this;
      26             :   }
      27             : 
      28             :   class RenderBufferData
      29             :   {
      30             :   public:
      31           0 :     RenderBufferData(uint8_t* aData, size_t aBufferSize)
      32           0 :       : mData(aData)
      33           0 :       , mBufferSize(aBufferSize)
      34             :     {
      35           0 :     }
      36             :     const uint8_t* mData;
      37             :     size_t mBufferSize;
      38             :   };
      39             : 
      40             :   RenderBufferData GetBufferDataForRender(uint8_t aChannelIndex);
      41             : 
      42             : private:
      43             :   virtual ~RenderBufferTextureHost();
      44             : 
      45           0 :   uint8_t* GetBuffer() const
      46             :   {
      47           0 :     return mBuffer;
      48             :   }
      49             : 
      50             :   uint8_t* mBuffer;
      51             :   layers::BufferDescriptor mDescriptor;
      52             :   gfx::IntSize mSize;
      53             :   gfx::SurfaceFormat mFormat;
      54             : 
      55             :   RefPtr<gfx::DataSourceSurface> mSurface;
      56             :   gfx::DataSourceSurface::MappedSurface mMap;
      57             : 
      58             :   RefPtr<gfx::DataSourceSurface> mYSurface;
      59             :   RefPtr<gfx::DataSourceSurface> mCbSurface;
      60             :   RefPtr<gfx::DataSourceSurface> mCrSurface;
      61             :   gfx::DataSourceSurface::MappedSurface mYMap;
      62             :   gfx::DataSourceSurface::MappedSurface mCbMap;
      63             :   gfx::DataSourceSurface::MappedSurface mCrMap;
      64             : 
      65             :   bool mLocked;
      66             : };
      67             : 
      68             : } // namespace wr
      69             : } // namespace mozilla
      70             : 
      71             : #endif // MOZILLA_GFX_RENDERBUFFERTEXTUREHOST_H