Add 4:3 aspect ratio and address feedback

src/core/frontend/framebuffer_layout.cpp

@@ -28,8 +28,8 @@ FramebufferLayout DefaultFrameLayout(u32 width, u32 height) {
     FramebufferLayout res{width, height};
 
     const float window_aspect_ratio = static_cast<float>(height) / width;
-    float emulation_aspect_ratio = EmulationAspectRatio(
-        static_cast<Aspect>(Settings::values.aspect_ratio), window_aspect_ratio);
+    const float emulation_aspect_ratio = EmulationAspectRatio(
+        static_cast<AspectRatio>(Settings::values.aspect_ratio), window_aspect_ratio);
 
     const Common::Rectangle<u32> screen_window_area{0, 0, width, height};
     Common::Rectangle<u32> screen = MaxRectangle(screen_window_area, emulation_aspect_ratio);
@@ -58,13 +58,15 @@ FramebufferLayout FrameLayoutFromResolutionScale(u32 res_scale) {
     return DefaultFrameLayout(width, height);
 }
 
-float EmulationAspectRatio(Aspect aspect, float window_aspect_ratio) {
+float EmulationAspectRatio(AspectRatio aspect, float window_aspect_ratio) {
     switch (aspect) {
-    case Aspect::Default:
+    case AspectRatio::Default:
         return static_cast<float>(ScreenUndocked::Height) / ScreenUndocked::Width;
-    case Aspect::Aspect21by9:
+    case AspectRatio::R4_3:
+        return 3.0f / 4.0f;
+    case AspectRatio::R21_9:
         return 9.0f / 21.0f;
-    case Aspect::StretchToWindow:
+    case AspectRatio::StretchToWindow:
         return window_aspect_ratio;
     default:
         return static_cast<float>(ScreenUndocked::Height) / ScreenUndocked::Width;

src/core/frontend/framebuffer_layout.h

@@ -18,9 +18,10 @@ enum ScreenDocked : u32 {
     HeightDocked = 1080,
 };
 
-enum class Aspect {
+enum class AspectRatio {
     Default,
-    Aspect21by9,
+    R4_3,
+    R21_9,
     StretchToWindow,
 };
 
@@ -56,10 +57,10 @@ FramebufferLayout FrameLayoutFromResolutionScale(u32 res_scale);
 
 /**
  * Convenience method to determine emulation aspect ratio
- * @param aspect Represents the index of aspect ratio in Settings::values.aspect_ratio
+ * @param aspect Represents the index of aspect ratio stored in Settings::values.aspect_ratio
  * @param window_aspect_ratio Current window aspect ratio
  * @return Emulation render window aspect ratio
  */
-float EmulationAspectRatio(Aspect aspect, float window_aspect_ratio);
+float EmulationAspectRatio(AspectRatio aspect, float window_aspect_ratio);
 
 } // namespace Layout

src/yuzu/configuration/configure_graphics.ui

@@ -154,6 +154,11 @@
               <string>Default (16:9)</string>
              </property>
             </item>
+            <item>
+             <property name="text">
+              <string>Force 4:3</string>
+             </property>
+            </item>
             <item>
              <property name="text">
               <string>Force 21:9</string>

src/yuzu_cmd/default_ini.h

@@ -123,7 +123,7 @@ use_shader_jit =
 resolution_factor =
 
 # Aspect ratio
-# 0: Default (16:9), 1: Force 21:9, 2: Stretch to Window
+# 0: Default (16:9), 1: Force 4:3, 2: Force 21:9, 3: Stretch to Window
 aspect_ratio =
 
 # Whether to enable V-Sync (caps the framerate at 60FPS) or not.

src/yuzu_tester/default_ini.h

@@ -27,7 +27,7 @@ use_shader_jit =
 resolution_factor =
 
 # Aspect ratio
-# 0: Default (16:9), 1: Force 21:9, 2: Stretch to Window
+# 0: Default (16:9), 1: Force 4:3, 2: Force 21:9, 3: Stretch to Window
 aspect_ratio =
 
 # Whether to enable V-Sync (caps the framerate at 60FPS) or not.