Debugging per-surface scale init for non-toplevel surfaces

0001-wayland-debug-per-surface-scale-init-for-non-topleve.patch

From f0439a6458e60daea0a2ea41979ac07b5008ce7d Mon Sep 17 00:00:00 2001
From: Nick Diego Yamane <[email protected]>
Date: Thu, 4 Jul 2024 19:49:10 -0300
Subject: [PATCH] wayland: debug per-surface scale init for non-toplevel
 surfaces

Signed-off-by: Nick Diego Yamane <[email protected]>
---
 ui/aura/window_tree_host_platform.cc              | 7 +++++++
 ui/ozone/platform/wayland/host/wayland_surface.cc | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/ui/aura/window_tree_host_platform.cc b/ui/aura/window_tree_host_platform.cc
index e2960a25ef37..ec16a0ac9580 100644
--- a/ui/aura/window_tree_host_platform.cc
+++ b/ui/aura/window_tree_host_platform.cc
@@ -260,6 +260,10 @@ void WindowTreeHostPlatform::OnBoundsChanged(const BoundsChange& change) {
   auto weak_ref = GetWeakPtr();
   auto new_size = GetBoundsInPixels().size();
   bool size_changed = size_in_pixels_ != new_size;
+
+  VLOG(1) << __func__ << "' " << window()->GetName()
+          << "' curr_scale=" << current_scale << " new_scale=" << new_scale;
+
   size_in_pixels_ = new_size;
   if (change.origin_changed) {
     OnHostMovedInPixels();
@@ -366,6 +370,9 @@ int64_t WindowTreeHostPlatform::OnStateUpdate(
   }
 #endif  // BUILDFLAG(IS_CHROMEOS_LACROS)
 
+  VLOG(1) << __func__ << "' " << window()->GetName()
+          << "' old=" << old.ToString() << " new=" << latest.ToString();
+
   if (old.window_state != latest.window_state) {
     OnWindowStateChanged(old.window_state, latest.window_state);
   }
diff --git a/ui/ozone/platform/wayland/host/wayland_surface.cc b/ui/ozone/platform/wayland/host/wayland_surface.cc
index c0e89f06711d..82f1a1fb58b6 100644
--- a/ui/ozone/platform/wayland/host/wayland_surface.cc
+++ b/ui/ozone/platform/wayland/host/wayland_surface.cc
@@ -106,6 +106,8 @@ WaylandSurface::WaylandSurface(WaylandConnection* connection,
   // non-toplevel windows.
   if (auto* parent = root_window_->GetXdgParentWindow()) {
     preferred_scale_factor_ = parent->GetPreferredScaleFactor();
+    VLOG(1) << __func__ << " Inheriting parent pref scale="
+            << preferred_scale_factor_.value_or(1.f);
   }
 }
 
-- 
2.45.1