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| author | wolfbeast <mcwerewolf@gmail.com> | 2018-09-11 11:55:16 +0200 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@gmail.com> | 2018-09-11 11:55:16 +0200 |
| commit | 6ded94d38cf94a5da8d6a73dfbfca2acb0d719cc (patch) | |
| tree | f78a8681518066053e5c301fcf0696ea161e5bf0 /widget/windows/nsWindowGfx.cpp | |
| parent | 1de1ce5770f45c0b8601a8148d622b272b4ccdbb (diff) | |
| download | UXP-6ded94d38cf94a5da8d6a73dfbfca2acb0d719cc.tar UXP-6ded94d38cf94a5da8d6a73dfbfca2acb0d719cc.tar.gz UXP-6ded94d38cf94a5da8d6a73dfbfca2acb0d719cc.tar.lz UXP-6ded94d38cf94a5da8d6a73dfbfca2acb0d719cc.tar.xz UXP-6ded94d38cf94a5da8d6a73dfbfca2acb0d719cc.zip | |
Bug 1467363 - Protect access to mTransparentSurface with a lock.
Diffstat (limited to 'widget/windows/nsWindowGfx.cpp')
| -rw-r--r-- | widget/windows/nsWindowGfx.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/widget/windows/nsWindowGfx.cpp b/widget/windows/nsWindowGfx.cpp index a88631f89..9b303a0f2 100644 --- a/widget/windows/nsWindowGfx.cpp +++ b/widget/windows/nsWindowGfx.cpp @@ -320,6 +320,8 @@ bool nsWindow::OnPaint(HDC aDC, uint32_t aNestingLevel) #if defined(MOZ_XUL) // don't support transparency for non-GDI rendering, for now if (eTransparencyTransparent == mTransparencyMode) { + // This mutex needs to be held when EnsureTransparentSurface is called. + MutexAutoLock lock(mBasicLayersSurface->GetTransparentSurfaceLock()); targetSurface = mBasicLayersSurface->EnsureTransparentSurface(); } #endif |