gfx/webrender_bindings/RenderCompositor.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef MOZILLA_GFX_RENDERCOMPOSITOR_H
   8 #define MOZILLA_GFX_RENDERCOMPOSITOR_H
   9
  10 #include "mozilla/RefPtr.h"
  11 #include "mozilla/UniquePtr.h"
  12 #include "Units.h"
  13
  14 namespace mozilla {
  15
  16 namespace gl {
  17 class GLContext;
  18 }
  19
  20 namespace layers {
  21 class SyncObjectHost;
  22 }
  23
  24 namespace widget {
  25 class CompositorWidget;
  26 }
  27
  28 namespace wr {
  29
  30 class RenderCompositor {
  31  public:
  32   static UniquePtr<RenderCompositor> Create(
  33       RefPtr<widget::CompositorWidget>&& aWidget);
  34
  35   RenderCompositor(RefPtr<widget::CompositorWidget>&& aWidget);
  36   virtual ~RenderCompositor();
  37
  38   virtual bool BeginFrame() = 0;
  39   virtual void EndFrame() = 0;
  40   virtual void WaitForGPU() = 0;
  41   virtual void Pause() = 0;
  42   virtual bool Resume() = 0;
  43
  44   virtual gl::GLContext* gl() const { return nullptr; }
  45
  46   virtual bool MakeCurrent();
  47
  48   virtual bool UseANGLE() const { return false; }
  49
  50   virtual bool UseDComp() const { return false; }
  51
  52   virtual bool UseTripleBuffering() const { return false; }
  53
  54   virtual LayoutDeviceIntSize GetBufferSize() = 0;
  55
  56   widget::CompositorWidget* GetWidget() const { return mWidget; }
  57
  58   layers::SyncObjectHost* GetSyncObject() const { return mSyncObject.get(); }
  59
  60  protected:
  61   RefPtr<widget::CompositorWidget> mWidget;
  62   RefPtr<layers::SyncObjectHost> mSyncObject;
  63 };
  64
  65 }  // namespace wr
  66 }  // namespace mozilla
  67
  68 #endif