Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
       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             : #include "WindowSurfaceX11SHM.h"
       8             : 
       9             : namespace mozilla {
      10             : namespace widget {
      11             : 
      12           1 : WindowSurfaceX11SHM::WindowSurfaceX11SHM(Display* aDisplay, Drawable aWindow,
      13           1 :                                          Visual* aVisual, unsigned int aDepth)
      14             : {
      15           1 :   mFrontImage = new nsShmImage(aDisplay, aWindow, aVisual, aDepth);
      16           1 :   mBackImage = new nsShmImage(aDisplay, aWindow, aVisual, aDepth);
      17           1 : }
      18             : 
      19             : already_AddRefed<gfx::DrawTarget>
      20          27 : WindowSurfaceX11SHM::Lock(const LayoutDeviceIntRegion& aRegion)
      21             : {
      22          27 :   mBackImage.swap(mFrontImage);
      23          27 :   return mBackImage->CreateDrawTarget(aRegion);
      24             : }
      25             : 
      26             : void
      27          27 : WindowSurfaceX11SHM::Commit(const LayoutDeviceIntRegion& aInvalidRegion)
      28             : {
      29          27 :   mBackImage->Put(aInvalidRegion);
      30          27 : }
      31             : 
      32             : } // namespace widget
      33             : } // namespace mozilla