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-rw-r--r--src/common/emu_window.cpp50
1 files changed, 50 insertions, 0 deletions
diff --git a/src/common/emu_window.cpp b/src/common/emu_window.cpp
index 48bb35db5..1082ae26d 100644
--- a/src/common/emu_window.cpp
+++ b/src/common/emu_window.cpp
@@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include "emu_window.h"
+#include "video_core/video_core.h"
void EmuWindow::KeyPressed(KeyMap::HostDeviceKey key) {
Service::HID::PadState mapped_key = KeyMap::GetPadKey(key);
@@ -15,3 +16,52 @@ void EmuWindow::KeyReleased(KeyMap::HostDeviceKey key) {
Service::HID::PadButtonRelease(mapped_key);
}
+
+EmuWindow::FramebufferLayout EmuWindow::FramebufferLayout::DefaultScreenLayout(int width, int height) {
+ ASSERT(width > 0);
+ ASSERT(height > 0);
+
+ EmuWindow::FramebufferLayout res = { width, height, {}, {} };
+
+ float window_aspect_ratio = static_cast<float>(height) / width;
+ float emulation_aspect_ratio = static_cast<float>(VideoCore::kScreenTopHeight * 2) /
+ VideoCore::kScreenTopWidth;
+
+ if (window_aspect_ratio > emulation_aspect_ratio) {
+ // Window is narrower than the emulation content => apply borders to the top and bottom
+ int viewport_height = static_cast<int>(std::round(emulation_aspect_ratio * width));
+
+ res.top_screen.left = 0;
+ res.top_screen.right = res.top_screen.left + width;
+ res.top_screen.top = (height - viewport_height) / 2;
+ res.top_screen.bottom = res.top_screen.top + viewport_height / 2;
+
+ int bottom_width = static_cast<int>((static_cast<float>(VideoCore::kScreenBottomWidth) /
+ VideoCore::kScreenTopWidth) * (res.top_screen.right - res.top_screen.left));
+ int bottom_border = ((res.top_screen.right - res.top_screen.left) - bottom_width) / 2;
+
+ res.bottom_screen.left = bottom_border;
+ res.bottom_screen.right = res.bottom_screen.left + bottom_width;
+ res.bottom_screen.top = res.top_screen.bottom;
+ res.bottom_screen.bottom = res.bottom_screen.top + viewport_height / 2;
+ } else {
+ // Otherwise, apply borders to the left and right sides of the window.
+ int viewport_width = static_cast<int>(std::round(height / emulation_aspect_ratio));
+
+ res.top_screen.left = (width - viewport_width) / 2;
+ res.top_screen.right = res.top_screen.left + viewport_width;
+ res.top_screen.top = 0;
+ res.top_screen.bottom = res.top_screen.top + height / 2;
+
+ int bottom_width = static_cast<int>((static_cast<float>(VideoCore::kScreenBottomWidth) /
+ VideoCore::kScreenTopWidth) * (res.top_screen.right - res.top_screen.left));
+ int bottom_border = ((res.top_screen.right - res.top_screen.left) - bottom_width) / 2;
+
+ res.bottom_screen.left = res.top_screen.left + bottom_border;
+ res.bottom_screen.right = res.bottom_screen.left + bottom_width;
+ res.bottom_screen.top = res.top_screen.bottom;
+ res.bottom_screen.bottom = res.bottom_screen.top + height / 2;
+ }
+
+ return res;
+}