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_TEXTURECLIENT_SHAREDSURFACE_H
       7             : #define MOZILLA_GFX_TEXTURECLIENT_SHAREDSURFACE_H
       8             : 
       9             : #include <cstddef>                      // for size_t
      10             : #include <stdint.h>                     // for uint32_t, uint8_t, uint64_t
      11             : #include "GLContextTypes.h"             // for GLContext (ptr only), etc
      12             : #include "TextureClient.h"
      13             : #include "mozilla/Assertions.h"         // for MOZ_ASSERT, etc
      14             : #include "mozilla/RefPtr.h"             // for RefPtr, RefCounted
      15             : #include "mozilla/gfx/Point.h"          // for IntSize
      16             : #include "mozilla/gfx/Types.h"          // for SurfaceFormat
      17             : #include "mozilla/layers/CompositorTypes.h"  // for TextureFlags, etc
      18             : #include "mozilla/layers/LayersSurfaces.h"  // for SurfaceDescriptor
      19             : 
      20             : namespace mozilla {
      21             : namespace gl {
      22             : class GLContext;
      23             : class SharedSurface;
      24             : class SurfaceFactory;
      25             : } // namespace gl
      26             : 
      27             : namespace layers {
      28             : 
      29             : class SharedSurfaceTextureClient;
      30             : 
      31             : class SharedSurfaceTextureData : public TextureData
      32             : {
      33             : protected:
      34             :   const UniquePtr<gl::SharedSurface> mSurf;
      35             : 
      36             :   friend class SharedSurfaceTextureClient;
      37             : 
      38             :   explicit SharedSurfaceTextureData(UniquePtr<gl::SharedSurface> surf);
      39             : public:
      40             : 
      41             :   ~SharedSurfaceTextureData();
      42             : 
      43           0 :   virtual bool Lock(OpenMode) override { return false; }
      44             : 
      45           0 :   virtual void Unlock() override {}
      46             : 
      47             :   virtual void FillInfo(TextureData::Info& aInfo) const override;
      48             : 
      49             :   virtual bool Serialize(SurfaceDescriptor& aOutDescriptor) override;
      50             : 
      51             :   virtual void Deallocate(LayersIPCChannel*) override;
      52             : 
      53           0 :   gl::SharedSurface* Surf() const { return mSurf.get(); }
      54             : };
      55             : 
      56             : class SharedSurfaceTextureClient : public TextureClient
      57             : {
      58             : public:
      59             :   SharedSurfaceTextureClient(SharedSurfaceTextureData* aData,
      60             :                              TextureFlags aFlags,
      61             :                              LayersIPCChannel* aAllocator);
      62             : 
      63             :   ~SharedSurfaceTextureClient();
      64             : 
      65             :   static already_AddRefed<SharedSurfaceTextureClient>
      66             :   Create(UniquePtr<gl::SharedSurface> surf, gl::SurfaceFactory* factory,
      67             :          LayersIPCChannel* aAllocator, TextureFlags aFlags);
      68             : 
      69           0 :   gl::SharedSurface* Surf() const {
      70           0 :     return static_cast<const SharedSurfaceTextureData*>(GetInternalData())->Surf();
      71             :   }
      72             : };
      73             : 
      74             : } // namespace layers
      75             : } // namespace mozilla
      76             : 
      77             : #endif // MOZILLA_GFX_TEXTURECLIENT_SHAREDSURFACE_H