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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_X11BASICCOMPOSITOR_H
       7             : #define MOZILLA_GFX_X11BASICCOMPOSITOR_H
       8             : 
       9             : #include "mozilla/layers/BasicCompositor.h"
      10             : #include "mozilla/layers/X11TextureSourceBasic.h"
      11             : #include "mozilla/layers/TextureHostBasic.h"
      12             : #include "gfxXlibSurface.h"
      13             : #include "mozilla/gfx/2D.h"
      14             : 
      15             : namespace mozilla {
      16             : namespace layers {
      17             : 
      18             : // TextureSource for Image-backed surfaces.
      19           0 : class X11DataTextureSourceBasic : public DataTextureSource
      20             :                                 , public TextureSourceBasic
      21             : {
      22             : public:
      23           0 :   X11DataTextureSourceBasic() {};
      24             : 
      25           0 :   virtual const char* Name() const override { return "X11DataTextureSourceBasic"; }
      26             : 
      27             :   virtual bool Update(gfx::DataSourceSurface* aSurface,
      28             :                       nsIntRegion* aDestRegion = nullptr,
      29             :                       gfx::IntPoint* aSrcOffset = nullptr) override;
      30             : 
      31             :   virtual TextureSourceBasic* AsSourceBasic() override;
      32             : 
      33             :   virtual gfx::SourceSurface* GetSurface(gfx::DrawTarget* aTarget) override;
      34             : 
      35             :   virtual void DeallocateDeviceData() override;
      36             : 
      37             :   virtual gfx::IntSize GetSize() const override;
      38             : 
      39             :   virtual gfx::SurfaceFormat GetFormat() const override;
      40             : 
      41             : private:
      42             :   // We are going to buffer layer content on this xlib draw target
      43             :   RefPtr<mozilla::gfx::DrawTarget> mBufferDrawTarget;
      44             : };
      45             : 
      46           0 : class X11BasicCompositor : public BasicCompositor
      47             : {
      48             : public:
      49           0 :   explicit X11BasicCompositor(CompositorBridgeParent* aParent, widget::CompositorWidget* aWidget)
      50           0 :     : BasicCompositor(aParent, aWidget)
      51           0 :   {}
      52             : 
      53             :   virtual already_AddRefed<DataTextureSource>
      54             :   CreateDataTextureSource(TextureFlags aFlags = TextureFlags::NO_FLAGS) override;
      55             : 
      56             :   virtual already_AddRefed<DataTextureSource>
      57           0 :   CreateDataTextureSourceAround(gfx::DataSourceSurface* aSurface) override { return nullptr; }
      58             : 
      59             :   virtual void EndFrame() override;
      60             : };
      61             : 
      62             : } // namespace layers
      63             : } // namespace mozilla
      64             : 
      65             : #endif /* MOZILLA_GFX_X11BASICCOMPOSITOR_H */