forked from mirrors/gecko-dev
33 lines
1,003 B
C++
33 lines
1,003 B
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WindowSurfaceX11SHM.h"
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namespace mozilla {
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namespace widget {
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WindowSurfaceX11SHM::WindowSurfaceX11SHM(Display* aDisplay, Drawable aWindow,
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Visual* aVisual, unsigned int aDepth)
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{
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mFrontImage = new nsShmImage(aDisplay, aWindow, aVisual, aDepth);
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mBackImage = new nsShmImage(aDisplay, aWindow, aVisual, aDepth);
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}
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already_AddRefed<gfx::DrawTarget>
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WindowSurfaceX11SHM::Lock(const LayoutDeviceIntRegion& aRegion)
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{
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mBackImage.swap(mFrontImage);
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return mBackImage->CreateDrawTarget(aRegion);
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}
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void
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WindowSurfaceX11SHM::Commit(const LayoutDeviceIntRegion& aInvalidRegion)
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{
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mBackImage->Put(aInvalidRegion);
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}
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} // namespace widget
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} // namespace mozilla
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