Implement Frame rate limiter (#2223)

* implement frame limiter

* fixes

src/citra/config.cpp

@@ -66,6 +66,8 @@ void Config::ReadValues() {
     Settings::values.use_scaled_resolution =
         sdl2_config->GetBoolean("Renderer", "use_scaled_resolution", false);
     Settings::values.use_vsync = sdl2_config->GetBoolean("Renderer", "use_vsync", false);
+    Settings::values.toggle_framelimit =
+        sdl2_config->GetBoolean("Renderer", "toggle_framelimit", true);
 
     Settings::values.bg_red = (float)sdl2_config->GetReal("Renderer", "bg_red", 1.0);
     Settings::values.bg_green = (float)sdl2_config->GetReal("Renderer", "bg_green", 1.0);

src/citra/default_ini.h

@@ -64,6 +64,10 @@ use_vsync =
 # 0 (default): Default Top Bottom Screen, 1: Single Screen Only, 2: Large Screen Small Screen
 layout_option =
 
+#Whether to toggle frame limiter on or off.
+# 0: Off , 1  (default): On
+toggle_framelimit =
+
 # Swaps the prominent screen with the other screen.
 # For example, if Single Screen is chosen, setting this to 1 will display the bottom screen instead of the top screen.
 # 0 (default): Top Screen is prominent, 1: Bottom Screen is prominent