widget/WindowSurfaceX11SHM.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   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_WIDGET_WINDOW_SURFACE_X11_SHM_H
   8 #define _MOZILLA_WIDGET_WINDOW_SURFACE_X11_SHM_H
   9
  10 #ifdef MOZ_X11
  11
  12 #  include "mozilla/widget/WindowSurface.h"
  13 #  include "nsShmImage.h"
  14
  15 namespace mozilla {
  16 namespace widget {
  17
  18 class WindowSurfaceX11SHM : public WindowSurface {
  19  public:
  20   WindowSurfaceX11SHM(Display* aDisplay, Drawable aWindow, Visual* aVisual,
  21                       unsigned int aDepth);
  22
  23   already_AddRefed<gfx::DrawTarget> Lock(
  24       const LayoutDeviceIntRegion& aRegion) override;
  25   void Commit(const LayoutDeviceIntRegion& aInvalidRegion) override;
  26
  27  private:
  28   RefPtr<nsShmImage> mFrontImage;
  29   RefPtr<nsShmImage> mBackImage;
  30 };
  31
  32 }  // namespace widget
  33 }  // namespace mozilla
  34
  35 #endif  // MOZ_X11
  36 #endif  // _MOZILLA_WIDGET_WINDOW_SURFACE_X11_SHM_H