From 0dc8347a94f0a71eeed10903d3f3fb09b59def3b Mon Sep 17 00:00:00 2001
From: Miguel Borges de Freitas <92enen@gmail.com>
Date: Sat, 4 May 2024 16:56:54 +0100
Subject: Rendering: Set window dirty only on app thread

---
 xbmc/application/Application.cpp                   | 11 ++++++++++-
 xbmc/application/Application.h                     |  2 ++
 xbmc/application/ApplicationPowerHandling.cpp      |  6 ------
 xbmc/windowing/osx/OpenGL/WindowControllerMacOS.mm | 16 ----------------
 4 files changed, 12 insertions(+), 23 deletions(-)

diff --git a/xbmc/application/Application.cpp b/xbmc/application/Application.cpp
index 6741845c75..6046d2d82e 100644
--- a/xbmc/application/Application.cpp
+++ b/xbmc/application/Application.cpp
@@ -809,7 +809,16 @@ void CApplication::Render()
     return;
 
   // render gui layer
-  if (appPower->GetRenderGUI() && !m_skipGuiRender)
+  const bool renderGUI = appPower->GetRenderGUI();
+  if (m_guiRenderLastState != std::nullopt && renderGUI && m_guiRenderLastState != renderGUI)
+  {
+    CGUIComponent* gui = CServiceBroker::GetGUI();
+    if (gui)
+      CServiceBroker::GetGUI()->GetWindowManager().MarkDirty();
+  }
+  m_guiRenderLastState = renderGUI;
+
+  if (renderGUI && !m_skipGuiRender)
   {
     if (CServiceBroker::GetWinSystem()->GetGfxContext().GetStereoMode())
     {
diff --git a/xbmc/application/Application.h b/xbmc/application/Application.h
index d31e591bcd..b3eaeb5bd4 100644
--- a/xbmc/application/Application.h
+++ b/xbmc/application/Application.h
@@ -24,6 +24,7 @@
 #include <atomic>
 #include <chrono>
 #include <memory>
+#include <optional>
 #include <string>
 #include <vector>
 
@@ -218,6 +219,7 @@ protected:
 
   std::chrono::time_point<std::chrono::steady_clock> m_lastRenderTime;
   bool m_skipGuiRender = false;
+  std::optional<bool> m_guiRenderLastState;
 
   std::unique_ptr<MUSIC_INFO::CMusicInfoScanner> m_musicInfoScanner;
 
diff --git a/xbmc/application/ApplicationPowerHandling.cpp b/xbmc/application/ApplicationPowerHandling.cpp
index 4354b9b626..8000a7ee9e 100644
--- a/xbmc/application/ApplicationPowerHandling.cpp
+++ b/xbmc/application/ApplicationPowerHandling.cpp
@@ -67,12 +67,6 @@ void CApplicationPowerHandling::ResetNavigationTimer()
 
 void CApplicationPowerHandling::SetRenderGUI(bool renderGUI)
 {
-  if (renderGUI && !m_renderGUI)
-  {
-    CGUIComponent* gui = CServiceBroker::GetGUI();
-    if (gui)
-      CServiceBroker::GetGUI()->GetWindowManager().MarkDirty();
-  }
   m_renderGUI = renderGUI;
 }
 
diff --git a/xbmc/windowing/osx/OpenGL/WindowControllerMacOS.mm b/xbmc/windowing/osx/OpenGL/WindowControllerMacOS.mm
index 4f50a49dbc..c3eaa113c2 100644
--- a/xbmc/windowing/osx/OpenGL/WindowControllerMacOS.mm
+++ b/xbmc/windowing/osx/OpenGL/WindowControllerMacOS.mm
@@ -22,8 +22,6 @@
 
 @implementation XBMCWindowControllerMacOS
 
-bool m_inFullscreenTransition = false;
-
 - (nullable instancetype)initWithTitle:(NSString*)title defaultSize:(NSSize)size
 {
   auto frame = NSMakeRect(0, 0, size.width, size.height);
@@ -81,9 +79,6 @@ bool m_inFullscreenTransition = false;
 
 - (void)windowWillStartLiveResize:(NSNotification*)notification
 {
-  if (m_inFullscreenTransition)
-    return;
-
   std::shared_ptr<CAppInboundProtocol> appPort = CServiceBroker::GetAppPort();
   if (appPort)
   {
@@ -93,9 +88,6 @@ bool m_inFullscreenTransition = false;
 
 - (void)windowDidEndLiveResize:(NSNotification*)notification
 {
-  if (m_inFullscreenTransition)
-    return;
-
   std::shared_ptr<CAppInboundProtocol> appPort = CServiceBroker::GetAppPort();
   if (appPort)
   {
@@ -196,14 +188,8 @@ bool m_inFullscreenTransition = false;
   return frameSize;
 }
 
-- (void)windowWillExitFullScreen:(NSNotification*)notification
-{
-  m_inFullscreenTransition = true;
-}
-
 - (void)windowWillEnterFullScreen:(NSNotification*)pNotification
 {
-  m_inFullscreenTransition = true;
   CWinSystemOSX* winSystem = dynamic_cast<CWinSystemOSX*>(CServiceBroker::GetWinSystem());
   if (!winSystem)
     return;
@@ -241,7 +227,6 @@ bool m_inFullscreenTransition = false;
 
 - (void)windowDidExitFullScreen:(NSNotification*)pNotification
 {
-  m_inFullscreenTransition = false;
   auto winSystem = dynamic_cast<CWinSystemOSX*>(CServiceBroker::GetWinSystem());
   if (!winSystem)
     return;
@@ -268,7 +253,6 @@ bool m_inFullscreenTransition = false;
 
 - (void)windowDidEnterFullScreen:(NSNotification*)notification
 {
-  m_inFullscreenTransition = false;
   auto winSystem = dynamic_cast<CWinSystemOSX*>(CServiceBroker::GetWinSystem());
   if (!winSystem)
     return;
-- 
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