Bug 1683578 [wayland] Use wl_surface ID instead of wl_surface address when check for stored frame callback, r=jhorak

Depends on D104711

Differential Revision: https://phabricator.services.mozilla.com/D104712

widget/gtk/WindowSurfaceWayland.cpp

@@ -474,7 +474,7 @@ WindowSurfaceWayland::WindowSurfaceWayland(nsWindow* aWindow)
       mWaylandBuffer(nullptr),
       mWaylandFullscreenDamage(false),
       mFrameCallback(nullptr),
-      mLastCommittedSurface(nullptr),
+      mLastCommittedSurfaceID(-1),
       mLastCommitTime(0),
       mDrawToWaylandBufferDirectly(true),
       mCanSwitchWaylandBuffer(true),
@@ -812,6 +812,7 @@ already_AddRefed<gfx::DrawTarget> WindowSurfaceWayland::Lock(
       mWaylandBufferDamage.SetEmpty();
       mCanSwitchWaylandBuffer = true;
       mWLBufferIsDirty = false;
+      mBufferNeedsClear = true;
     }
     mMozContainerRect = mozContainerSize;
   }
@@ -978,7 +979,7 @@ bool WindowSurfaceWayland::FlushPendingCommitsLocked() {
               mDrawToWaylandBufferDirectly));
   LOGWAYLAND(("    mCanSwitchWaylandBuffer = %d\n", mCanSwitchWaylandBuffer));
   LOGWAYLAND(("    mFrameCallback = %p\n", mFrameCallback));
-  LOGWAYLAND(("    mLastCommittedSurface = %p\n", mLastCommittedSurface));
+  LOGWAYLAND(("    mLastCommittedSurfaceID = %d\n", mLastCommittedSurfaceID));
   LOGWAYLAND(("    mWLBufferIsDirty = %d\n", mWLBufferIsDirty));
   LOGWAYLAND(("    mBufferCommitAllowed = %d\n", mBufferCommitAllowed));
 
@@ -1007,12 +1008,6 @@ bool WindowSurfaceWayland::FlushPendingCommitsLocked() {
     LOGWAYLAND(
         ("    moz_container_wayland_surface_lock() failed, delay commit.\n"));
 
-    // Target window is not created yet - delay the commit. This can happen only
-    // when the window is newly created and there's no active
-    // frame callback pending.
-    MOZ_ASSERT(!mFrameCallback || waylandSurface != mLastCommittedSurface,
-               "Missing wayland surface at frame callback!");
-
     if (!mSurfaceReadyTimerID) {
       mSurfaceReadyTimerID = g_timeout_add(
           EVENT_LOOP_DELAY, &WaylandBufferFlushPendingCommits, this);
@@ -1037,18 +1032,22 @@ bool WindowSurfaceWayland::FlushPendingCommitsLocked() {
 
   // We have an active frame callback request so handle it.
   if (mFrameCallback) {
-    if (waylandSurface == mLastCommittedSurface) {
+    int waylandSurfaceID = wl_proxy_get_id((struct wl_proxy*)waylandSurface);
-      LOGWAYLAND(("    [%p] wait for frame callback.\n", (void*)this));
+    if (waylandSurfaceID == mLastCommittedSurfaceID) {
+      LOGWAYLAND(("    [%p] wait for frame callback ID %d.\n", (void*)this,
+                  waylandSurfaceID));
       // We have an active frame callback pending from our recent surface.
       // It means we should defer the commit to FrameCallbackHandler().
       return true;
     }
-    LOGWAYLAND(("    Removing wrong frame callback [%p].\n", mFrameCallback));
+    LOGWAYLAND(("    Removing wrong frame callback [%p] ID %d.\n",
+                mFrameCallback,
+                wl_proxy_get_id((struct wl_proxy*)mFrameCallback)));
     // If our stored wl_surface does not match the actual one it means the frame
     // callback is no longer active and we should release it.
     wl_callback_destroy(mFrameCallback);
     mFrameCallback = nullptr;
-    mLastCommittedSurface = nullptr;
+    mLastCommittedSurfaceID = -1;
   }
 
   if (mWaylandFullscreenDamage) {
@@ -1077,7 +1076,7 @@ bool WindowSurfaceWayland::FlushPendingCommitsLocked() {
   wl_callback_add_listener(mFrameCallback, &frame_listener, this);
 
   mWaylandBuffer->Attach(waylandSurface);
-  mLastCommittedSurface = waylandSurface;
+  mLastCommittedSurfaceID = wl_proxy_get_id((struct wl_proxy*)waylandSurface);
   mLastCommitTime = g_get_monotonic_time() / 1000;
 
   // There's no pending commit, all changes are sent to compositor.
@@ -1092,7 +1091,7 @@ void WindowSurfaceWayland::Commit(const LayoutDeviceIntRegion& aInvalidRegion) {
     gfx::IntRect lockSize = aInvalidRegion.GetBounds().ToUnknownRect();
     LOGWAYLAND(
         ("WindowSurfaceWayland::Commit [%p] damage size [%d, %d] -> [%d x %d] "
-         "screenSize [%d x %d]\n",
+         "MozContainer [%d x %d]\n",
          (void*)this, lockSize.x, lockSize.y, lockSize.width, lockSize.height,
          mMozContainerRect.width, mMozContainerRect.height));
     LOGWAYLAND(("    mDrawToWaylandBufferDirectly = %d\n",
@@ -1117,7 +1116,7 @@ void WindowSurfaceWayland::Commit(const LayoutDeviceIntRegion& aInvalidRegion) {
 void WindowSurfaceWayland::FrameCallbackHandler() {
   MOZ_ASSERT(mFrameCallback != nullptr,
              "FrameCallbackHandler() called without valid frame callback!");
-  MOZ_ASSERT(mLastCommittedSurface != nullptr,
+  MOZ_ASSERT(mLastCommittedSurfaceID != -1,
              "FrameCallbackHandler() called without valid wl_surface!");
   LOGWAYLAND(
       ("WindowSurfaceWayland::FrameCallbackHandler [%p]\n", (void*)this));

widget/gtk/WindowSurfaceWayland.h

@@ -211,7 +211,7 @@ class WindowSurfaceWayland : public WindowSurface {
   // Any next commit to wayland compositor will happen when frame callback
   // comes from wayland compositor back as it's the best time to do the commit.
   wl_callback* mFrameCallback;
-  wl_surface* mLastCommittedSurface;
+  int mLastCommittedSurfaceID;
 
   // Cached drawings. If we can't get WaylandBuffer (wl_buffer) at
   // WindowSurfaceWayland::Lock() we direct gecko rendering to

widget/gtk/nsWindow.cpp

@@ -1786,6 +1786,9 @@ void nsWindow::NativeMoveResizeWaylandPopup(GdkPoint* aPosition,
   bool isWidgetVisible =
       (sGtkWidgetIsVisible != nullptr) && sGtkWidgetIsVisible(mShell);
   if (isWidgetVisible) {
+    LOG(
+        ("  temporary hide popup due to "
+         "https://gitlab.gnome.org/GNOME/gtk/issues/1986\n"));
     PauseRemoteRenderer();
     gtk_widget_hide(mShell);
   }
@@ -1840,6 +1843,9 @@ void nsWindow::NativeMoveResizeWaylandPopup(GdkPoint* aPosition,
   if (isWidgetVisible) {
     // We show the popup with the same configuration so no need to call
     // ConfigureWaylandPopupWindows() before gtk_widget_show().
+    LOG(
+        ("  show popup due to "
+         "https://gitlab.gnome.org/GNOME/gtk/issues/1986\n"));
     gtk_widget_show(mShell);
   }
 }