Qt: Allow post-processing to be set per-game

src/duckstation-qt/postprocessingsettingswidget.cpp

@@ -40,9 +40,14 @@ SettingsInterface& PostProcessingSettingsWidget::getSettingsInterfaceToUpdate()
 void PostProcessingSettingsWidget::commitSettingsUpdate()
 {
   if (m_dialog->isPerGameSettings())
+  {
     m_dialog->getSettingsInterface()->Save();
+    g_emu_thread->reloadGameSettings(false);
+  }
   else
+  {
     Host::CommitBaseSettingChanges();
+  }
 
   g_emu_thread->updatePostProcessingSettings();
 }

src/duckstation-qt/settingswindow.cpp

@@ -106,14 +106,11 @@ void SettingsWindow::addPages()
     QStringLiteral("sparkle-fill"),
     tr("<strong>Enhancement Settings</strong><hr>These options control enhancements which can improve visuals compared "
        "to the original console. Mouse over each option for additional information."));
-  if (!isPerGameSettings())
+  addWidget(
-  {
+    m_post_processing_settings = new PostProcessingSettingsWidget(this, m_ui.settingsContainer), tr("Post-Processing"),
-    addWidget(
+    QStringLiteral("sun-fill"),
-      m_post_processing_settings = new PostProcessingSettingsWidget(this, m_ui.settingsContainer),
+    tr("<strong>Post-Processing Settings</strong><hr>Post processing allows you to alter the appearance of the image "
-      tr("Post-Processing"), QStringLiteral("sun-fill"),
+       "displayed on the screen with various filters. Shaders will be executed in sequence."));
-      tr("<strong>Post-Processing Settings</strong><hr>Post processing allows you to alter the appearance of the image "
-         "displayed on the screen with various filters. Shaders will be executed in sequence."));
-  }
   addWidget(
     m_audio_settings = new AudioSettingsWidget(this, m_ui.settingsContainer), tr("Audio"),
     QStringLiteral("volume-up-line"),