Merge branch 'f27'

7 files changed, 975 insertions, 0 deletions

diff --git a/firefox.spec b/firefox.spec
index abfdeb5..cad3d44 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -181,6 +181,12 @@ Patch563:        rb245262.patch
 Patch564:        mozilla-1464808.patch
 Patch565:        mozilla-1464823.patch
 Patch566:        mozilla-1466473.patch
+Patch567:        mozilla-1444437.patch
+Patch568:        mozilla-1441743.patch
+Patch569:        mozilla-1465371.patch
+Patch570:        mozilla-1467125.patch
+Patch571:        mozilla-1468670.patch
+Patch572:        mozilla-1467128.patch
 
 # Debian patches
 Patch500:        mozilla-440908.patch
@@ -389,6 +395,12 @@ This package contains results of tests executed during build.
 %patch564 -p1 -b .mozilla-1464808
 %patch565 -p1 -b .mozilla-1464823
 %patch566 -p1 -b .mozilla-1466473
+%patch567 -p1 -b .mozilla-1444437
+%patch568 -p1 -b .mozilla-1441743
+%patch569 -p1 -b .mozilla-1465371
+%patch570 -p1 -b .mozilla-1467125
+%patch571 -p1 -b .mozilla-1468670
+%patch572 -p1 -b .mozilla-1467128
 %endif
 
 %{__rm} -f .mozconfig
diff --git a/mozilla-1441743.patch b/mozilla-1441743.patch
new file mode 100644
index 0000000..59018c7
--- /dev/null
+++ b/mozilla-1441743.patch
@@ -0,0 +1,336 @@
+diff --git a/widget/gtk/WindowSurfaceWayland.h b/widget/gtk/WindowSurfaceWayland.h
+--- a/widget/gtk/WindowSurfaceWayland.h
++++ b/widget/gtk/WindowSurfaceWayland.h
+@@ -3,16 +3,17 @@
+  * 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_GTK_WINDOW_SURFACE_WAYLAND_H
+ #define _MOZILLA_WIDGET_GTK_WINDOW_SURFACE_WAYLAND_H
+ 
+ #include <prthread.h>
++#include "mozilla/gfx/Types.h"
+ 
+ namespace mozilla {
+ namespace widget {
+ 
+ // Our general connection to Wayland display server,
+ // holds our display connection and runs event loop.
+ class nsWaylandDisplay : public nsISupports {
+   NS_DECL_THREADSAFE_ISUPPORTS
+@@ -61,17 +62,17 @@ private:
+ };
+ 
+ // Holds actual graphics data for wl_surface
+ class WindowBackBuffer {
+ public:
+   WindowBackBuffer(nsWaylandDisplay* aDisplay, int aWidth, int aHeight);
+   ~WindowBackBuffer();
+ 
+-  already_AddRefed<gfx::DrawTarget> Lock(const LayoutDeviceIntRegion& aRegion);
++  already_AddRefed<gfx::DrawTarget> Lock();
+ 
+   void Attach(wl_surface* aSurface);
+   void Detach();
+   bool IsAttached() { return mAttached; }
+ 
+   bool Resize(int aWidth, int aHeight);
+   bool SetImageDataFromBackBuffer(class WindowBackBuffer* aSourceBuffer);
+ 
+@@ -107,27 +108,33 @@ public:
+   WindowSurfaceWayland(nsWindow *aWindow);
+   ~WindowSurfaceWayland();
+ 
+   already_AddRefed<gfx::DrawTarget> Lock(const LayoutDeviceIntRegion& aRegion) override;
+   void                      Commit(const LayoutDeviceIntRegion& aInvalidRegion) final;
+   void                      FrameCallbackHandler();
+ 
+ private:
+-  WindowBackBuffer*         GetBufferToDraw(int aWidth, int aHeight);
++  WindowBackBuffer*         GetFrontBufferToDraw(int aWidth, int aHeight);
+   void                      UpdateScaleFactor();
+ 
++  already_AddRefed<gfx::DrawTarget> LockFrontBuffer(int aWidth, int aHeight);
++  already_AddRefed<gfx::DrawTarget> LockImageSurface(const gfx::IntSize& aLockSize);
++  bool                      CommitImageSurface(const LayoutDeviceIntRegion& aRegion);
++
+   // TODO: Do we need to hold a reference to nsWindow object?
+   nsWindow*                 mWindow;
+   nsWaylandDisplay*         mWaylandDisplay;
+   WindowBackBuffer*         mFrontBuffer;
+   WindowBackBuffer*         mBackBuffer;
++  RefPtr<gfxImageSurface>   mImageSurface;
+   wl_callback*              mFrameCallback;
+   wl_surface*               mFrameCallbackSurface;
+   MessageLoop*              mDisplayThreadMessageLoop;
++  bool                      mDirectWlBufferDraw;
+   bool                      mDelayedCommit;
+   bool                      mFullScreenDamage;
+   bool                      mIsMainThread;
+ };
+ 
+ }  // namespace widget
+ }  // namespace mozilla
+ 
+
+diff --git a/widget/gtk/WindowSurfaceWayland.cpp b/widget/gtk/WindowSurfaceWayland.cpp
+--- a/widget/gtk/WindowSurfaceWayland.cpp
++++ b/widget/gtk/WindowSurfaceWayland.cpp
+@@ -299,16 +299,17 @@ nsWaylandDisplay::Matches(wl_display *aD
+ }
+ 
+ NS_IMPL_ISUPPORTS(nsWaylandDisplay, nsISupports);
+ 
+ nsWaylandDisplay::nsWaylandDisplay(wl_display *aDisplay)
+   : mThreadId(PR_GetCurrentThread())
+   // gfx::SurfaceFormat::B8G8R8A8 is a basic Wayland format
+   // and is always present.
++  // TODO: Provide also format without alpha (Bug 1470126).
+   , mFormat(gfx::SurfaceFormat::B8G8R8A8)
+   , mShm(nullptr)
+   , mDisplay(aDisplay)
+ {
+   if (NS_IsMainThread()) {
+     // Use default event queue in main thread operated by Gtk+.
+     mEventQueue = nullptr;
+   } else {
+@@ -530,21 +531,19 @@ WindowBackBuffer::SetImageDataFromBackBu
+   }
+ 
+   mShmPool.SetImageDataFromPool(&aSourceBuffer->mShmPool,
+     aSourceBuffer->mWidth * aSourceBuffer->mHeight * BUFFER_BPP);
+   return true;
+ }
+ 
+ already_AddRefed<gfx::DrawTarget>
+-WindowBackBuffer::Lock(const LayoutDeviceIntRegion& aRegion)
++WindowBackBuffer::Lock()
+ {
+-  gfx::IntRect bounds = aRegion.GetBounds().ToUnknownRect();
+-  gfx::IntSize lockSize(bounds.XMost(), bounds.YMost());
+-
++  gfx::IntSize lockSize(mWidth, mHeight);
+   return gfxPlatform::CreateDrawTargetForData(static_cast<unsigned char*>(mShmPool.GetImageData()),
+                                               lockSize,
+                                               BUFFER_BPP * mWidth,
+                                               mWaylandDisplay->GetSurfaceFormat());
+ }
+ 
+ static void
+ frame_callback_handler(void *data, struct wl_callback *callback, uint32_t time)
+@@ -560,16 +559,17 @@ static const struct wl_callback_listener
+ WindowSurfaceWayland::WindowSurfaceWayland(nsWindow *aWindow)
+   : mWindow(aWindow)
+   , mWaylandDisplay(WaylandDisplayGet(aWindow->GetWaylandDisplay()))
+   , mFrontBuffer(nullptr)
+   , mBackBuffer(nullptr)
+   , mFrameCallback(nullptr)
+   , mFrameCallbackSurface(nullptr)
+   , mDisplayThreadMessageLoop(MessageLoop::current())
++  , mDirectWlBufferDraw(true)
+   , mDelayedCommit(false)
+   , mFullScreenDamage(false)
+   , mIsMainThread(NS_IsMainThread())
+ {
+ }
+ 
+ WindowSurfaceWayland::~WindowSurfaceWayland()
+ {
+@@ -598,17 +598,17 @@ WindowSurfaceWayland::UpdateScaleFactor(
+ {
+   wl_surface* waylandSurface = mWindow->GetWaylandSurface();
+   if (waylandSurface) {
+     wl_surface_set_buffer_scale(waylandSurface, mWindow->GdkScaleFactor());
+   }
+ }
+ 
+ WindowBackBuffer*
+-WindowSurfaceWayland::GetBufferToDraw(int aWidth, int aHeight)
++WindowSurfaceWayland::GetFrontBufferToDraw(int aWidth, int aHeight)
+ {
+   if (!mFrontBuffer) {
+     mFrontBuffer = new WindowBackBuffer(mWaylandDisplay, aWidth, aHeight);
+     mBackBuffer = new WindowBackBuffer(mWaylandDisplay, aWidth, aHeight);
+     return mFrontBuffer;
+   }
+ 
+   if (!mFrontBuffer->IsAttached()) {
+@@ -647,46 +647,149 @@ WindowSurfaceWayland::GetBufferToDraw(in
+     // the new buffer and leave gecko to render new whole content.
+     mFrontBuffer->Resize(aWidth, aHeight);
+   }
+ 
+   return mFrontBuffer;
+ }
+ 
+ already_AddRefed<gfx::DrawTarget>
++WindowSurfaceWayland::LockFrontBuffer(int aWidth, int aHeight)
++{
++  WindowBackBuffer* buffer = GetFrontBufferToDraw(aWidth, aHeight);
++  if (buffer) {
++    return buffer->Lock();
++  }
++
++  NS_WARNING("WindowSurfaceWayland::LockFrontBuffer(): No buffer available");
++  return nullptr;
++}
++
++already_AddRefed<gfx::DrawTarget>
++WindowSurfaceWayland::LockImageSurface(const gfx::IntSize& aLockSize)
++{
++  if (!mImageSurface || mImageSurface->CairoStatus() ||
++      !(aLockSize <= mImageSurface->GetSize())) {
++    mImageSurface = new gfxImageSurface(aLockSize,
++        SurfaceFormatToImageFormat(mWaylandDisplay->GetSurfaceFormat()));
++    if (mImageSurface->CairoStatus()) {
++      return nullptr;
++    }
++  }
++
++  return gfxPlatform::CreateDrawTargetForData(mImageSurface->Data(),
++                                              mImageSurface->GetSize(),
++                                              mImageSurface->Stride(),
++                                              mWaylandDisplay->GetSurfaceFormat());
++}
++
++/*
++  There are some situations which can happen here:
++
++  A) Lock() is called to whole surface. In that case we don't need
++     to clip/buffer the drawing and we can return wl_buffer directly
++     for drawing.
++       - mFrontBuffer is available - that's an ideal situation.
++       - mFrontBuffer is locked by compositor - flip buffers and draw.
++          - if we can't flip buffers - go B)
++
++  B) Lock() is requested for part(s) of screen. We need to provide temporary
++     surface to draw into and copy result (clipped) to target wl_surface.
++ */
++already_AddRefed<gfx::DrawTarget>
+ WindowSurfaceWayland::Lock(const LayoutDeviceIntRegion& aRegion)
+ {
+   MOZ_ASSERT(mIsMainThread == NS_IsMainThread());
+ 
+-  // We allocate back buffer to widget size but return only
+-  // portion requested by aRegion.
+-  LayoutDeviceIntRect rect = mWindow->GetBounds();
+-  WindowBackBuffer* buffer = GetBufferToDraw(rect.width,
+-                                             rect.height);
+-  if (!buffer) {
+-    NS_WARNING("No drawing buffer available");
+-    return nullptr;
++  LayoutDeviceIntRect screenRect = mWindow->GetBounds();
++  gfx::IntRect bounds = aRegion.GetBounds().ToUnknownRect();
++  gfx::IntSize lockSize(bounds.XMost(), bounds.YMost());
++
++  // Are we asked for entire nsWindow to draw?
++  mDirectWlBufferDraw = (aRegion.GetNumRects() == 1 &&
++                         bounds.x == 0 && bounds.y == 0 &&
++                         lockSize.width == screenRect.width &&
++                         lockSize.height == screenRect.height);
++
++  if (mDirectWlBufferDraw) {
++    RefPtr<gfx::DrawTarget> dt = LockFrontBuffer(screenRect.width,
++                                                 screenRect.height);
++    if (dt) {
++      return dt.forget();
++    }
++
++    // We don't have any front buffer available. Try indirect drawing
++    // to mImageSurface which is mirrored to front buffer at commit.
++    mDirectWlBufferDraw = false;
+   }
+ 
+-  return buffer->Lock(aRegion);
++  return LockImageSurface(lockSize);
++}
++
++bool
++WindowSurfaceWayland::CommitImageSurface(const LayoutDeviceIntRegion& aRegion)
++{
++  MOZ_ASSERT(!mDirectWlBufferDraw);
++
++  LayoutDeviceIntRect screenRect = mWindow->GetBounds();
++  gfx::IntRect bounds = aRegion.GetBounds().ToUnknownRect();
++
++  gfx::Rect rect(bounds);
++  if (rect.IsEmpty()) {
++    return false;
++  }
++
++  RefPtr<gfx::DrawTarget> dt = LockFrontBuffer(screenRect.width,
++                                               screenRect.height);
++  RefPtr<gfx::SourceSurface> surf =
++    gfx::Factory::CreateSourceSurfaceForCairoSurface(mImageSurface->CairoSurface(),
++                                                     mImageSurface->GetSize(),
++                                                     mImageSurface->Format());
++  if (!dt || !surf) {
++    return false;
++  }
++
++  uint32_t numRects = aRegion.GetNumRects();
++  if (numRects != 1) {
++    AutoTArray<IntRect, 32> rects;
++    rects.SetCapacity(numRects);
++    for (auto iter = aRegion.RectIter(); !iter.Done(); iter.Next()) {
++      rects.AppendElement(iter.Get().ToUnknownRect());
++    }
++    dt->PushDeviceSpaceClipRects(rects.Elements(), rects.Length());
++  }
++
++  dt->DrawSurface(surf, rect, rect);
++
++  if (numRects != 1) {
++    dt->PopClip();
++  }
++
++  return true;
+ }
+ 
+ void
+ WindowSurfaceWayland::Commit(const LayoutDeviceIntRegion& aInvalidRegion)
+ {
+   MOZ_ASSERT(mIsMainThread == NS_IsMainThread());
+ 
+   wl_surface* waylandSurface = mWindow->GetWaylandSurface();
+   if (!waylandSurface) {
+     // Target window is already destroyed - don't bother to render there.
++    NS_WARNING("WindowSurfaceWayland::Commit(): parent wl_surface is already hidden/deleted.");
+     return;
+   }
+   wl_proxy_set_queue((struct wl_proxy *)waylandSurface,
+                      mWaylandDisplay->GetEventQueue());
+ 
++  if (!mDirectWlBufferDraw) {
++    // We have new content at mImageSurface - copy data to mFrontBuffer first.
++    CommitImageSurface(aInvalidRegion);
++  }
++
+   if (mFullScreenDamage) {
+     LayoutDeviceIntRect rect = mWindow->GetBounds();
+     wl_surface_damage(waylandSurface, 0, 0, rect.width, rect.height);
+     mFullScreenDamage = false;
+   } else {
+     for (auto iter = aInvalidRegion.RectIter(); !iter.Done(); iter.Next()) {
+       const mozilla::LayoutDeviceIntRect &r = iter.Get();
+       wl_surface_damage(waylandSurface, r.x, r.y, r.width, r.height);
+@@ -730,17 +833,17 @@ WindowSurfaceWayland::FrameCallbackHandl
+     mFrameCallback = nullptr;
+     mFrameCallbackSurface = nullptr;
+   }
+ 
+   if (mDelayedCommit) {
+     wl_surface* waylandSurface = mWindow->GetWaylandSurface();
+     if (!waylandSurface) {
+       // Target window is already destroyed - don't bother to render there.
+-      NS_WARNING("No drawing buffer available");
++      NS_WARNING("WindowSurfaceWayland::FrameCallbackHandler(): parent wl_surface is already hidden/deleted.");
+       return;
+     }
+     wl_proxy_set_queue((struct wl_proxy *)waylandSurface,
+                        mWaylandDisplay->GetEventQueue());
+ 
+     // Send pending surface to compositor and register frame callback
+     // for possible subsequent drawing.
+     mFrameCallback = wl_surface_frame(waylandSurface);
diff --git a/mozilla-1444437.patch b/mozilla-1444437.patch
new file mode 100644
index 0000000..ed9e05a
--- /dev/null
+++ b/mozilla-1444437.patch
@@ -0,0 +1,81 @@
+diff -up firefox-61.0.1/widget/gtk/mozcontainer.cpp.mozilla-1444437 firefox-61.0.1/widget/gtk/mozcontainer.cpp
+--- firefox-61.0.1/widget/gtk/mozcontainer.cpp.mozilla-1444437	2018-07-16 16:38:36.059138061 +0200
++++ firefox-61.0.1/widget/gtk/mozcontainer.cpp	2018-07-16 17:04:10.127003844 +0200
+@@ -212,6 +212,7 @@ moz_container_init (MozContainer *contai
+       container->surface = nullptr;
+       container->subsurface = nullptr;
+       container->eglwindow = nullptr;
++      container->parent_surface_committed = false;
+ 
+       GdkDisplay *gdk_display = gtk_widget_get_display(GTK_WIDGET(container));
+       if (GDK_IS_WAYLAND_DISPLAY (gdk_display)) {
+@@ -231,6 +232,15 @@ moz_container_init (MozContainer *contai
+ }
+ 
+ #if defined(MOZ_WAYLAND)
++static void
++moz_container_commited_handler(GdkFrameClock *clock, MozContainer *container)
++{
++    container->parent_surface_committed = true;
++    g_signal_handler_disconnect(clock,
++                                container->parent_surface_committed_handler);
++    container->parent_surface_committed_handler = 0;
++}
++
+ /* We want to draw to GdkWindow owned by mContainer from Compositor thread but
+  * Gtk+ can be used in main thread only. So we create wayland wl_surface
+  * and attach it as an overlay to GdkWindow.
+@@ -256,6 +266,21 @@ moz_container_map_surface(MozContainer *
+     if (container->subsurface && container->surface)
+         return true;
+ 
++    if (!container->parent_surface_committed) {
++        if (!container->parent_surface_committed_handler) {
++            GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(container));
++            static auto sGdkWindowGetFrameClock =
++                (GdkFrameClock *(*)(GdkWindow *))
++                dlsym(RTLD_DEFAULT, "gdk_window_get_frame_clock");
++            GdkFrameClock *clock = sGdkWindowGetFrameClock(window);
++            container->parent_surface_committed_handler =
++                g_signal_connect_after(clock, "after-paint",
++                                       G_CALLBACK(moz_container_commited_handler),
++                                       container);
++        }
++        return false;
++    }
++
+     if (!container->surface) {
+         struct wl_compositor *compositor;
+         compositor = sGdkWaylandDisplayGetWlCompositor(display);
+@@ -298,6 +323,19 @@ moz_container_unmap_surface(MozContainer
+     g_clear_pointer(&container->eglwindow, wl_egl_window_destroy);
+     g_clear_pointer(&container->subsurface, wl_subsurface_destroy);
+     g_clear_pointer(&container->surface, wl_surface_destroy);
++
++    if (container->parent_surface_committed_handler) {
++        static auto sGdkWindowGetFrameClock =
++            (GdkFrameClock *(*)(GdkWindow *))
++            dlsym(RTLD_DEFAULT, "gdk_window_get_frame_clock");
++        GdkWindow* window = gtk_widget_get_window(GTK_WIDGET(container));
++        GdkFrameClock *clock = sGdkWindowGetFrameClock(window);
++
++        g_signal_handler_disconnect(clock,
++                                    container->parent_surface_committed_handler);
++        container->parent_surface_committed_handler = 0;
++    }
++    container->parent_surface_committed = false;
+ }
+ 
+ #endif
+diff -up firefox-61.0.1/widget/gtk/mozcontainer.h.mozilla-1444437 firefox-61.0.1/widget/gtk/mozcontainer.h
+--- firefox-61.0.1/widget/gtk/mozcontainer.h.mozilla-1444437	2018-07-16 16:38:36.059138061 +0200
++++ firefox-61.0.1/widget/gtk/mozcontainer.h	2018-07-16 16:38:36.105138588 +0200
+@@ -73,6 +73,8 @@ struct _MozContainer
+     struct wl_surface       *surface;
+     struct wl_subsurface    *subsurface;
+     struct wl_egl_window    *eglwindow;
++    gboolean                 parent_surface_committed;
++    gulong                   parent_surface_committed_handler;
+ #endif
+ };
+ 
diff --git a/mozilla-1465371.patch b/mozilla-1465371.patch
new file mode 100644
index 0000000..8e4e8e1
--- /dev/null
+++ b/mozilla-1465371.patch
@@ -0,0 +1,59 @@
+diff --git a/toolkit/xre/nsAppRunner.cpp b/toolkit/xre/nsAppRunner.cpp
+--- a/toolkit/xre/nsAppRunner.cpp
++++ b/toolkit/xre/nsAppRunner.cpp
+@@ -1700,31 +1700,25 @@ ParseRemoteCommandLine(nsCString& progra
+ 
+   return REMOTE_FOUND;
+ }
+ 
+ static RemoteResult
+ StartRemoteClient(const char* aDesktopStartupID,
+                   nsCString& program,
+                   const char* profile,
+-                  const char* username,
+-                  bool aIsX11Display)
++                  const char* username)
+ {
+   nsAutoPtr<nsRemoteClient> client;
+ 
+-  if (aIsX11Display) {
+-    client = new XRemoteClient();
+-  } else {
+ #if defined(MOZ_ENABLE_DBUS) && defined(MOZ_WAYLAND)
+-    client = new DBusRemoteClient();
++  client = new DBusRemoteClient();
+ #else
+-    MOZ_ASSERT(false, "Missing remote implementation!");
+-    return REMOTE_NOT_FOUND;
++  client = new XRemoteClient();
+ #endif
+-  }
+ 
+   nsresult rv = client->Init();
+   if (NS_FAILED(rv))
+     return REMOTE_NOT_FOUND;
+ 
+   nsCString response;
+   bool success = false;
+   rv = client->SendCommandLine(program.get(), username, profile,
+@@ -4070,18 +4064,17 @@ XREMain::XRE_mainStartup(bool* aExitFlag
+         NS_WARNING("Cannot lock XRemote start mutex");
+       }
+     }
+ 
+     // Try to remote the entire command line. If this fails, start up normally.
+     const char* desktopStartupIDPtr =
+       mDesktopStartupID.IsEmpty() ? nullptr : mDesktopStartupID.get();
+ 
+-    rr = StartRemoteClient(desktopStartupIDPtr, program, profile, username,
+-                           GDK_IS_X11_DISPLAY(mGdkDisplay));
++    rr = StartRemoteClient(desktopStartupIDPtr, program, profile, username);
+     if (rr == REMOTE_FOUND) {
+       *aExitFlag = true;
+       return 0;
+     }
+     if (rr == REMOTE_ARG_BAD) {
+       return 1;
+     }
+   }
+
diff --git a/mozilla-1467125.patch b/mozilla-1467125.patch
new file mode 100644
index 0000000..375ac49
--- /dev/null
+++ b/mozilla-1467125.patch
@@ -0,0 +1,26 @@
+diff --git a/widget/gtk/WindowSurfaceWayland.cpp b/widget/gtk/WindowSurfaceWayland.cpp
+--- a/widget/gtk/WindowSurfaceWayland.cpp
++++ b/widget/gtk/WindowSurfaceWayland.cpp
+@@ -146,18 +146,19 @@ static StaticMutex gWaylandDisplaysMutex
+ //
+ // nsWaylandDisplay is our interface to wayland compositor. It provides wayland
+ // global objects as we need (wl_display, wl_shm) and operates wl_event_queue on
+ // compositor (not the main) thread.
+ static nsWaylandDisplay* WaylandDisplayGet(wl_display *aDisplay);
+ static void WaylandDisplayRelease(wl_display *aDisplay);
+ static void WaylandDisplayLoop(wl_display *aDisplay);
+ 
+-// TODO: is the 60pfs loop correct?
+-#define EVENT_LOOP_DELAY (1000/60)
++// TODO: Bug 1467125 - We need to integrate wl_display_dispatch_queue_pending() with
++// compositor event loop.
++#define EVENT_LOOP_DELAY (1000/240)
+ 
+ // Get WaylandDisplay for given wl_display and actual calling thread.
+ static nsWaylandDisplay*
+ WaylandDisplayGetLocked(wl_display *aDisplay, const StaticMutexAutoLock&)
+ {
+   nsWaylandDisplay* waylandDisplay = nullptr;
+ 
+   int len = gWaylandDisplays.Count();
+
diff --git a/mozilla-1467128.patch b/mozilla-1467128.patch
new file mode 100644
index 0000000..75cf92c
--- /dev/null
+++ b/mozilla-1467128.patch
@@ -0,0 +1,359 @@
+diff --git a/gfx/thebes/gfxPlatformGtk.h b/gfx/thebes/gfxPlatformGtk.h
+--- a/gfx/thebes/gfxPlatformGtk.h
++++ b/gfx/thebes/gfxPlatformGtk.h
+@@ -102,23 +102,42 @@ public:
+ #endif
+ 
+ #ifdef MOZ_X11
+     Display* GetCompositorDisplay() {
+       return mCompositorDisplay;
+     }
+ #endif // MOZ_X11
+ 
++#ifdef MOZ_WAYLAND
++    void SetWaylandLastVsync(uint32_t aVsyncTimestamp) {
++      mWaylandLastVsyncTimestamp = aVsyncTimestamp;
++    }
++    int64_t GetWaylandLastVsync() {
++      return mWaylandLastVsyncTimestamp;
++    }
++    void SetWaylandFrameDelay(int64_t aFrameDelay) {
++      mWaylandFrameDelay = aFrameDelay;
++    }
++    int64_t GetWaylandFrameDelay() {
++      return mWaylandFrameDelay;
++    }
++#endif
++
+ protected:
+     bool CheckVariationFontSupport() override;
+ 
+     int8_t mMaxGenericSubstitutions;
+ 
+ private:
+     virtual void GetPlatformCMSOutputProfile(void *&mem,
+                                              size_t &size) override;
+ 
+ #ifdef MOZ_X11
+     Display* mCompositorDisplay;
+ #endif
++#ifdef MOZ_WAYLAND
++    int64_t  mWaylandLastVsyncTimestamp;
++    int64_t  mWaylandFrameDelay;
++#endif
+ };
+ 
+ #endif /* GFX_PLATFORM_GTK_H */
+diff --git a/gfx/thebes/gfxPlatformGtk.cpp b/gfx/thebes/gfxPlatformGtk.cpp
+--- a/gfx/thebes/gfxPlatformGtk.cpp
++++ b/gfx/thebes/gfxPlatformGtk.cpp
+@@ -46,16 +46,20 @@
+ #include "GLContextGLX.h"
+ #include "GLXLibrary.h"
+ 
+ /* Undefine the Status from Xlib since it will conflict with system headers on OSX */
+ #if defined(__APPLE__) && defined(Status)
+ #undef Status
+ #endif
+ 
++#ifdef MOZ_WAYLAND
++#include <gdk/gdkwayland.h>
++#endif
++
+ #endif /* MOZ_X11 */
+ 
+ #include <fontconfig/fontconfig.h>
+ 
+ #include "nsMathUtils.h"
+ 
+ #define GDK_PIXMAP_SIZE_MAX 32767
+ 
+@@ -89,16 +93,22 @@ gfxPlatformGtk::gfxPlatformGtk()
+ #ifdef MOZ_X11
+     if (gfxPlatform::IsHeadless() && GDK_IS_X11_DISPLAY(gdk_display_get_default())) {
+       mCompositorDisplay = XOpenDisplay(nullptr);
+       MOZ_ASSERT(mCompositorDisplay, "Failed to create compositor display!");
+     } else {
+       mCompositorDisplay = nullptr;
+     }
+ #endif // MOZ_X11
++#ifdef MOZ_WAYLAND
++    // Wayland compositors use g_get_monotonic_time() to get timestamps.
++    mWaylandLastVsyncTimestamp = (g_get_monotonic_time() / 1000);
++    // Set default display fps to 60
++    mWaylandFrameDelay = 1000/60;
++#endif
+ }
+ 
+ gfxPlatformGtk::~gfxPlatformGtk()
+ {
+ #ifdef MOZ_X11
+     if (mCompositorDisplay) {
+       XCloseDisplay(mCompositorDisplay);
+     }
+@@ -505,26 +515,26 @@ gfxPlatformGtk::CheckVariationFontSuppor
+   // until at least 2.7.1.
+   FT_Int major, minor, patch;
+   FT_Library_Version(GetFTLibrary(), &major, &minor, &patch);
+   return major * 1000000 + minor * 1000 + patch >= 2007001;
+ }
+ 
+ #ifdef MOZ_X11
+ 
+-class GLXVsyncSource final : public VsyncSource
++class GtkVsyncSource final : public VsyncSource
+ {
+ public:
+-  GLXVsyncSource()
++  GtkVsyncSource()
+   {
+     MOZ_ASSERT(NS_IsMainThread());
+     mGlobalDisplay = new GLXDisplay();
+   }
+ 
+-  virtual ~GLXVsyncSource()
++  virtual ~GtkVsyncSource()
+   {
+     MOZ_ASSERT(NS_IsMainThread());
+   }
+ 
+   virtual Display& GetGlobalDisplay() override
+   {
+     return *mGlobalDisplay;
+   }
+@@ -536,39 +546,52 @@ public:
+   public:
+     GLXDisplay() : mGLContext(nullptr)
+                  , mXDisplay(nullptr)
+                  , mSetupLock("GLXVsyncSetupLock")
+                  , mVsyncThread("GLXVsyncThread")
+                  , mVsyncTask(nullptr)
+                  , mVsyncEnabledLock("GLXVsyncEnabledLock")
+                  , mVsyncEnabled(false)
++#ifdef MOZ_WAYLAND
++                 , mIsWaylandDisplay(false)
++#endif
+     {
+     }
+ 
+     // Sets up the display's GL context on a worker thread.
+     // Required as GLContexts may only be used by the creating thread.
+     // Returns true if setup was a success.
+     bool Setup()
+     {
+       MonitorAutoLock lock(mSetupLock);
+       MOZ_ASSERT(NS_IsMainThread());
+       if (!mVsyncThread.Start())
+         return false;
+ 
+       RefPtr<Runnable> vsyncSetup =
+-        NewRunnableMethod("GLXVsyncSource::GLXDisplay::SetupGLContext",
++        NewRunnableMethod("GtkVsyncSource::GLXDisplay::SetupGLContext",
+                           this,
+                           &GLXDisplay::SetupGLContext);
+       mVsyncThread.message_loop()->PostTask(vsyncSetup.forget());
+       // Wait until the setup has completed.
+       lock.Wait();
+       return mGLContext != nullptr;
+     }
+ 
++#ifdef MOZ_WAYLAND
++    bool SetupWayland()
++    {
++      MonitorAutoLock lock(mSetupLock);
++      MOZ_ASSERT(NS_IsMainThread());
++      mIsWaylandDisplay = true;
++      return mVsyncThread.Start();
++    }
++#endif
++
+     // Called on the Vsync thread to setup the GL context.
+     void SetupGLContext()
+     {
+         MonitorAutoLock lock(mSetupLock);
+         MOZ_ASSERT(!NS_IsMainThread());
+         MOZ_ASSERT(!mGLContext, "GLContext already setup!");
+ 
+         // Create video sync timer on a separate Display to prevent locking the
+@@ -613,29 +636,35 @@ public:
+         }
+ 
+         lock.NotifyAll();
+     }
+ 
+     virtual void EnableVsync() override
+     {
+       MOZ_ASSERT(NS_IsMainThread());
++#if !defined(MOZ_WAYLAND)
+       MOZ_ASSERT(mGLContext, "GLContext not setup!");
++#endif
+ 
+       MonitorAutoLock lock(mVsyncEnabledLock);
+       if (mVsyncEnabled) {
+         return;
+       }
+       mVsyncEnabled = true;
+ 
+       // If the task has not nulled itself out, it hasn't yet realized
+       // that vsync was disabled earlier, so continue its execution.
+       if (!mVsyncTask) {
+         mVsyncTask = NewRunnableMethod(
+-          "GLXVsyncSource::GLXDisplay::RunVsync", this, &GLXDisplay::RunVsync);
++          "GtkVsyncSource::GLXDisplay::RunVsync", this,
++#if defined(MOZ_WAYLAND)
++          mIsWaylandDisplay ? &GLXDisplay::RunVsyncWayland :
++#endif
++          &GLXDisplay::RunVsync);
+         RefPtr<Runnable> addrefedTask = mVsyncTask;
+         mVsyncThread.message_loop()->PostTask(addrefedTask.forget());
+       }
+     }
+ 
+     virtual void DisableVsync() override
+     {
+       MonitorAutoLock lock(mVsyncEnabledLock);
+@@ -650,17 +679,17 @@ public:
+ 
+     virtual void Shutdown() override
+     {
+       MOZ_ASSERT(NS_IsMainThread());
+       DisableVsync();
+ 
+       // Cleanup thread-specific resources before shutting down.
+       RefPtr<Runnable> shutdownTask = NewRunnableMethod(
+-        "GLXVsyncSource::GLXDisplay::Cleanup", this, &GLXDisplay::Cleanup);
++        "GtkVsyncSource::GLXDisplay::Cleanup", this, &GLXDisplay::Cleanup);
+       mVsyncThread.message_loop()->PostTask(shutdownTask.forget());
+ 
+       // Stop, waiting for the cleanup task to finish execution.
+       mVsyncThread.Stop();
+     }
+ 
+   private:
+     virtual ~GLXDisplay()
+@@ -709,50 +738,96 @@ public:
+           }
+         }
+ 
+         lastVsync = TimeStamp::Now();
+         NotifyVsync(lastVsync);
+       }
+     }
+ 
++#ifdef MOZ_WAYLAND
++    /* VSync on Wayland is tricky as we can get only "last VSync" event signal.
++     * That means we should draw next frame at "last Vsync + frame delay" time.
++     */
++    void RunVsyncWayland()
++    {
++      MOZ_ASSERT(!NS_IsMainThread());
++
++      for (;;) {
++        {
++          MonitorAutoLock lock(mVsyncEnabledLock);
++          if (!mVsyncEnabled) {
++            mVsyncTask = nullptr;
++            return;
++          }
++        }
++
++        gint64 lastVsync = gfxPlatformGtk::GetPlatform()->GetWaylandLastVsync();
++        gint64 currTime = (g_get_monotonic_time() / 1000);
++
++        gint64 remaining = gfxPlatformGtk::GetPlatform()->GetWaylandFrameDelay() -
++          (currTime - lastVsync);
++        if (remaining > 0) {
++          PlatformThread::Sleep(remaining);
++        } else {
++          // Time from last HW Vsync is longer than our frame delay,
++          // use our approximation then.
++          gfxPlatformGtk::GetPlatform()->SetWaylandLastVsync(currTime);
++        }
++
++        NotifyVsync(TimeStamp::Now());
++      }
++    }
++#endif
++
+     void Cleanup() {
+       MOZ_ASSERT(!NS_IsMainThread());
+ 
+       mGLContext = nullptr;
+-      XCloseDisplay(mXDisplay);
++      if (mXDisplay)
++        XCloseDisplay(mXDisplay);
+     }
+ 
+     // Owned by the vsync thread.
+     RefPtr<gl::GLContextGLX> mGLContext;
+     _XDisplay* mXDisplay;
+     Monitor mSetupLock;
+     base::Thread mVsyncThread;
+     RefPtr<Runnable> mVsyncTask;
+     Monitor mVsyncEnabledLock;
+     bool mVsyncEnabled;
++#ifdef MOZ_WAYLAND
++    bool mIsWaylandDisplay;
++#endif
+   };
+ private:
+   // We need a refcounted VsyncSource::Display to use chromium IPC runnables.
+   RefPtr<GLXDisplay> mGlobalDisplay;
+ };
+ 
+ already_AddRefed<gfx::VsyncSource>
+ gfxPlatformGtk::CreateHardwareVsyncSource()
+ {
++#ifdef MOZ_WAYLAND
++  if (GDK_IS_WAYLAND_DISPLAY(gdk_display_get_default())) {
++    RefPtr<VsyncSource> vsyncSource = new GtkVsyncSource();
++    VsyncSource::Display& display = vsyncSource->GetGlobalDisplay();
++    static_cast<GtkVsyncSource::GLXDisplay&>(display).SetupWayland();
++    return vsyncSource.forget();
++  }
++#endif
++
+   // Only use GLX vsync when the OpenGL compositor is being used.
+   // The extra cost of initializing a GLX context while blocking the main
+   // thread is not worth it when using basic composition.
+-  // Also don't use it on non-X11 displays.
+   if (gfxConfig::IsEnabled(Feature::HW_COMPOSITING)) {
+-    if (GDK_IS_X11_DISPLAY(gdk_display_get_default()) &&
+-        gl::sGLXLibrary.SupportsVideoSync()) {
+-      RefPtr<VsyncSource> vsyncSource = new GLXVsyncSource();
++    if (gl::sGLXLibrary.SupportsVideoSync()) {
++      RefPtr<VsyncSource> vsyncSource = new GtkVsyncSource();
+       VsyncSource::Display& display = vsyncSource->GetGlobalDisplay();
+-      if (!static_cast<GLXVsyncSource::GLXDisplay&>(display).Setup()) {
++      if (!static_cast<GtkVsyncSource::GLXDisplay&>(display).Setup()) {
+         NS_WARNING("Failed to setup GLContext, falling back to software vsync.");
+         return gfxPlatform::CreateHardwareVsyncSource();
+       }
+       return vsyncSource.forget();
+     }
+     NS_WARNING("SGI_video_sync unsupported. Falling back to software vsync.");
+   }
+   return gfxPlatform::CreateHardwareVsyncSource();
+diff --git a/widget/gtk/WindowSurfaceWayland.cpp b/widget/gtk/WindowSurfaceWayland.cpp
+--- a/widget/gtk/WindowSurfaceWayland.cpp
++++ b/widget/gtk/WindowSurfaceWayland.cpp
+@@ -546,16 +546,18 @@ WindowBackBuffer::Lock()
+                                               mWaylandDisplay->GetSurfaceFormat());
+ }
+ 
+ static void
+ frame_callback_handler(void *data, struct wl_callback *callback, uint32_t time)
+ {
+   auto surface = reinterpret_cast<WindowSurfaceWayland*>(data);
+   surface->FrameCallbackHandler();
++
++  gfxPlatformGtk::GetPlatform()->SetWaylandLastVsync(time);
+ }
+ 
+ static const struct wl_callback_listener frame_listener = {
+   frame_callback_handler
+ };
+ 
+ WindowSurfaceWayland::WindowSurfaceWayland(nsWindow *aWindow)
+   : mWindow(aWindow)
+
diff --git a/mozilla-1468670.patch b/mozilla-1468670.patch
new file mode 100644
index 0000000..42a05e2
--- /dev/null
+++ b/mozilla-1468670.patch
@@ -0,0 +1,102 @@
+diff --git a/widget/gtk/nsGtkKeyUtils.h b/widget/gtk/nsGtkKeyUtils.h
+--- a/widget/gtk/nsGtkKeyUtils.h
++++ b/widget/gtk/nsGtkKeyUtils.h
+@@ -169,17 +169,20 @@ protected:
+ 
+     bool mInitialized;
+ 
+     /**
+      * Initializing methods.
+      */
+     void Init();
+     void InitXKBExtension();
+-    void InitBySystemSettings();
++    void InitBySystemSettingsX11();
++#ifdef MOZ_WAYLAND
++    void InitBySystemSettingsWayland();
++#endif
+ 
+     /**
+      * mModifierKeys stores each hardware key information.
+      */
+     struct ModifierKey {
+         guint mHardwareKeycode;
+         guint mMask;
+ 
+
+diff --git a/widget/gtk/nsGtkKeyUtils.cpp b/widget/gtk/nsGtkKeyUtils.cpp
+--- a/widget/gtk/nsGtkKeyUtils.cpp
++++ b/widget/gtk/nsGtkKeyUtils.cpp
+@@ -190,17 +190,21 @@ KeymapWrapper::Init()
+     MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
+         ("%p Init, mGdkKeymap=%p",
+          this, mGdkKeymap));
+ 
+     mModifierKeys.Clear();
+     memset(mModifierMasks, 0, sizeof(mModifierMasks));
+ 
+     if (GDK_IS_X11_DISPLAY(gdk_display_get_default()))
+-        InitBySystemSettings();
++        InitBySystemSettingsX11();
++#ifdef MOZ_WAYLAND
++    else
++        InitBySystemSettingsWayland();
++#endif
+ 
+     gdk_window_add_filter(nullptr, FilterEvents, this);
+ 
+     MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
+         ("%p Init, CapsLock=0x%X, NumLock=0x%X, "
+          "ScrollLock=0x%X, Level3=0x%X, Level5=0x%X, "
+          "Shift=0x%X, Ctrl=0x%X, Alt=0x%X, Meta=0x%X, Super=0x%X, Hyper=0x%X",
+          this,
+@@ -270,20 +274,20 @@ KeymapWrapper::InitXKBExtension()
+         return;
+     }
+ 
+     MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
+         ("%p InitXKBExtension, Succeeded", this));
+ }
+ 
+ void
+-KeymapWrapper::InitBySystemSettings()
++KeymapWrapper::InitBySystemSettingsX11()
+ {
+     MOZ_LOG(gKeymapWrapperLog, LogLevel::Info,
+-        ("%p InitBySystemSettings, mGdkKeymap=%p",
++        ("%p InitBySystemSettingsX11, mGdkKeymap=%p",
+          this, mGdkKeymap));
+ 
+     Display* display =
+         gdk_x11_display_get_xdisplay(gdk_display_get_default());
+ 
+     int min_keycode = 0;
+     int max_keycode = 0;
+     XDisplayKeycodes(display, &min_keycode, &max_keycode);
+@@ -434,16 +438,26 @@ KeymapWrapper::InitBySystemSettings()
+             }
+         }
+     }
+ 
+     XFreeModifiermap(xmodmap);
+     XFree(xkeymap);
+ }
+ 
++#ifdef MOZ_WAYLAND
++void
++KeymapWrapper::InitBySystemSettingsWayland()
++{
++    // Not implemented yet, but at least Alt modifier should be handled to save
++    // popular usage.
++    mModifierMasks[INDEX_ALT] = 1 << 3;
++}
++#endif
++
+ KeymapWrapper::~KeymapWrapper()
+ {
+     gdk_window_remove_filter(nullptr, FilterEvents, this);
+     g_signal_handlers_disconnect_by_func(mGdkKeymap,
+                                          FuncToGpointer(OnKeysChanged), this);
+     g_signal_handlers_disconnect_by_func(mGdkKeymap,
+                                          FuncToGpointer(OnDirectionChanged), this);
+     g_object_unref(mGdkKeymap);