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-rw-r--r--widget/WindowSurfaceX11SHM.h35
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diff --git a/widget/WindowSurfaceX11SHM.h b/widget/WindowSurfaceX11SHM.h
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _MOZILLA_WIDGET_WINDOW_SURFACE_X11_SHM_H
+#define _MOZILLA_WIDGET_WINDOW_SURFACE_X11_SHM_H
+
+#ifdef MOZ_X11
+
+#include "mozilla/widget/WindowSurface.h"
+#include "nsShmImage.h"
+
+namespace mozilla {
+namespace widget {
+
+class WindowSurfaceX11SHM : public WindowSurface {
+public:
+ WindowSurfaceX11SHM(Display* aDisplay, Drawable aWindow, Visual* aVisual,
+ unsigned int aDepth);
+
+ already_AddRefed<gfx::DrawTarget> Lock(const LayoutDeviceIntRegion& aRegion) override;
+ void Commit(const LayoutDeviceIntRegion& aInvalidRegion) override;
+
+private:
+ RefPtr<nsShmImage> mFrontImage;
+ RefPtr<nsShmImage> mBackImage;
+};
+
+} // namespace widget
+} // namespace mozilla
+
+#endif // MOZ_X11
+#endif // _MOZILLA_WIDGET_WINDOW_SURFACE_X11_SHM_H