From 2492eb867832f75f78fa83a5aaa5ce9a94f231b1 Mon Sep 17 00:00:00 2001
From: Connor McLaughlin <stenzek@gmail.com>
Date: Sun, 13 Sep 2020 20:21:05 +1000
Subject: [PATCH] FrontendCommon: Add a hotkey to reload post processing

---
 src/frontend-common/common_host_interface.cpp | 17 +++++++++++++++++
 src/frontend-common/common_host_interface.h   |  3 +++
 2 files changed, 20 insertions(+)

diff --git a/src/frontend-common/common_host_interface.cpp b/src/frontend-common/common_host_interface.cpp
index e76dc1f99..c4fccc3f0 100644
--- a/src/frontend-common/common_host_interface.cpp
+++ b/src/frontend-common/common_host_interface.cpp
@@ -1438,6 +1438,12 @@ void CommonHostInterface::RegisterGraphicsHotkeys()
                    if (!pressed)
                      ModifyResolutionScale(-1);
                  });
+
+  RegisterHotkey(StaticString("Graphics"), StaticString("ReloadPostProcessingShaders"),
+                 StaticString(TRANSLATABLE("Hotkeys", "Reload Post Processing Shaders")), [this](bool pressed) {
+                   if (!pressed)
+                     ReloadPostProcessingShaders();
+                 });
 }
 
 void CommonHostInterface::RegisterSaveStateHotkeys()
@@ -2265,6 +2271,17 @@ void CommonHostInterface::ApplyCheatCode(u32 index)
   }
 }
 
+void CommonHostInterface::ReloadPostProcessingShaders()
+{
+  if (!m_display)
+    return;
+
+  if (!m_display->SetPostProcessingChain(g_settings.display_post_process_chain))
+    AddOSDMessage(TranslateStdString("OSDMessage", "Failed to load post processing shader chain."), 20.0f);
+  else
+    AddOSDMessage(TranslateStdString("OSDMessage", "Post processing shaders reloaded."), 10.0f);
+}
+
 #ifdef WITH_DISCORD_PRESENCE
 
 void CommonHostInterface::SetDiscordPresenceEnabled(bool enabled)
diff --git a/src/frontend-common/common_host_interface.h b/src/frontend-common/common_host_interface.h
index ec3662005..0ef73a733 100644
--- a/src/frontend-common/common_host_interface.h
+++ b/src/frontend-common/common_host_interface.h
@@ -166,6 +166,9 @@ public:
   /// Immediately applies the specified cheat code.
   void ApplyCheatCode(u32 index);
 
+  /// Reloads post processing shaders with the current configuration.
+  void ReloadPostProcessingShaders();
+
 protected:
   enum : u32
   {