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-rw-r--r--src/core/frontend/framebuffer_layout.cpp32
-rw-r--r--src/core/frontend/framebuffer_layout.h12
2 files changed, 26 insertions, 18 deletions
diff --git a/src/core/frontend/framebuffer_layout.cpp b/src/core/frontend/framebuffer_layout.cpp
index d8821f8fd..1b4f0255e 100644
--- a/src/core/frontend/framebuffer_layout.cpp
+++ b/src/core/frontend/framebuffer_layout.cpp
@@ -27,22 +27,9 @@ FramebufferLayout DefaultFrameLayout(u32 width, u32 height) {
// so just calculate them both even if the other isn't showing.
FramebufferLayout res{width, height};
- const auto window_aspect_ratio = static_cast<float>(height) / width;
- float emulation_aspect_ratio;
-
- switch (static_cast<Aspect>(Settings::values.aspect_ratio)) {
- case Aspect::AspectDefault:
- emulation_aspect_ratio = static_cast<float>(ScreenUndocked::Height) / ScreenUndocked::Width;
- break;
- case Aspect::Aspect21by9:
- emulation_aspect_ratio = 9.f / 21;
- break;
- case Aspect::AspectStretch:
- emulation_aspect_ratio = window_aspect_ratio;
- break;
- default:
- emulation_aspect_ratio = static_cast<float>(ScreenUndocked::Height) / ScreenUndocked::Width;
- }
+ 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 Common::Rectangle<u32> screen_window_area{0, 0, width, height};
Common::Rectangle<u32> screen = MaxRectangle(screen_window_area, emulation_aspect_ratio);
@@ -71,4 +58,17 @@ FramebufferLayout FrameLayoutFromResolutionScale(u32 res_scale) {
return DefaultFrameLayout(width, height);
}
+float EmulationAspectRatio(Aspect aspect, float window_aspect_ratio) {
+ switch (aspect) {
+ case Aspect::Default:
+ return static_cast<float>(ScreenUndocked::Height) / ScreenUndocked::Width;
+ case Aspect::Aspect21by9:
+ return 9.0f / 21.0f;
+ case Aspect::StretchToWindow:
+ return window_aspect_ratio;
+ default:
+ return static_cast<float>(ScreenUndocked::Height) / ScreenUndocked::Width;
+ }
+}
+
} // namespace Layout
diff --git a/src/core/frontend/framebuffer_layout.h b/src/core/frontend/framebuffer_layout.h
index 948c140ac..7f6fbe468 100644
--- a/src/core/frontend/framebuffer_layout.h
+++ b/src/core/frontend/framebuffer_layout.h
@@ -19,9 +19,9 @@ enum ScreenDocked : u32 {
};
enum class Aspect {
- AspectDefault,
+ Default,
Aspect21by9,
- AspectStretch,
+ StretchToWindow,
};
/// Describes the layout of the window framebuffer
@@ -54,4 +54,12 @@ FramebufferLayout DefaultFrameLayout(u32 width, u32 height);
*/
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 window_aspect_ratio Current window aspect ratio
+ * @return Emulation render window aspect ratio
+ */
+float EmulationAspectRatio(Aspect aspect, float window_aspect_ratio);
+
} // namespace Layout