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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /widget/WindowSurfaceX11SHM.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'widget/WindowSurfaceX11SHM.cpp')
-rw-r--r--widget/WindowSurfaceX11SHM.cpp33
1 files changed, 33 insertions, 0 deletions
diff --git a/widget/WindowSurfaceX11SHM.cpp b/widget/WindowSurfaceX11SHM.cpp
new file mode 100644
index 000000000..37834756f
--- /dev/null
+++ b/widget/WindowSurfaceX11SHM.cpp
@@ -0,0 +1,33 @@
+/* -*- 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/. */
+
+#include "WindowSurfaceX11SHM.h"
+
+namespace mozilla {
+namespace widget {
+
+WindowSurfaceX11SHM::WindowSurfaceX11SHM(Display* aDisplay, Drawable aWindow,
+ Visual* aVisual, unsigned int aDepth)
+{
+ mFrontImage = new nsShmImage(aDisplay, aWindow, aVisual, aDepth);
+ mBackImage = new nsShmImage(aDisplay, aWindow, aVisual, aDepth);
+}
+
+already_AddRefed<gfx::DrawTarget>
+WindowSurfaceX11SHM::Lock(const LayoutDeviceIntRegion& aRegion)
+{
+ mBackImage.swap(mFrontImage);
+ return mBackImage->CreateDrawTarget(aRegion);
+}
+
+void
+WindowSurfaceX11SHM::Commit(const LayoutDeviceIntRegion& aInvalidRegion)
+{
+ mBackImage->Put(aInvalidRegion);
+}
+
+} // namespace widget
+} // namespace mozilla