android: Original Portrait Layout (#625)

* Original Portrait Layout

Original Portrait Layout

* type conversion fix for win

* Updated license headers

* Applied clang-format

* android: Reordered Portrait Screen Layout menu

Custom Layout is now at the bottom of the list

---------

Co-authored-by: OpenSauce04 <opensauce04@gmail.com>

src/android/app/src/main/java/org/citra/citra_emu/display/ScreenLayout.kt

@@ -1,4 +1,4 @@
-// Copyright 2023 Citra Emulator Project
+// Copyright Citra Emulator Project / Azahar Emulator Project
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
@@ -41,7 +41,8 @@ enum class SmallScreenPosition(val int: Int) {
 enum class PortraitScreenLayout(val int: Int) {
     // These must match what is defined in src/common/settings.h
     TOP_FULL_WIDTH(0),
-    CUSTOM_PORTRAIT_LAYOUT(1);
+    CUSTOM_PORTRAIT_LAYOUT(1),
+    ORIGINAL(2);
 
     companion object {
         fun from(int: Int): PortraitScreenLayout {

src/android/app/src/main/java/org/citra/citra_emu/fragments/EmulationFragment.kt

@@ -902,10 +902,10 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback, Choreographer.Fram
         val layoutOptionMenuItem = when (IntSetting.PORTRAIT_SCREEN_LAYOUT.int) {
             PortraitScreenLayout.TOP_FULL_WIDTH.int ->
                 R.id.menu_portrait_layout_top_full
-
+            PortraitScreenLayout.ORIGINAL.int ->
+                R.id.menu_portrait_layout_original
             PortraitScreenLayout.CUSTOM_PORTRAIT_LAYOUT.int ->
                 R.id.menu_portrait_layout_custom
-
             else ->
                 R.id.menu_portrait_layout_top_full
 
@@ -920,6 +920,11 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback, Choreographer.Fram
                     true
                 }
 
+                R.id.menu_portrait_layout_original -> {
+                    screenAdjustmentUtil.changePortraitOrientation(PortraitScreenLayout.ORIGINAL.int)
+                    true
+                }
+
                 R.id.menu_portrait_layout_custom -> {
                     Toast.makeText(
                         requireContext(),

src/android/app/src/main/res/menu/menu_portrait_screen_layout.xml

@@ -7,6 +7,10 @@
             android:id="@+id/menu_portrait_layout_top_full"
             android:title="@string/emulation_portrait_layout_top_full" />
 
+        <item
+            android:id="@+id/menu_portrait_layout_original"
+            android:title="@string/emulation_screen_layout_original" />
+
         <item
             android:id="@+id/menu_portrait_layout_custom"
             android:title="@string/emulation_screen_layout_custom" />

src/android/app/src/main/res/values/arrays.xml

@@ -31,11 +31,13 @@
 
     <string-array name="portraitLayouts">
         <item>@string/emulation_portrait_layout_top_full</item>
+        <item>@string/emulation_screen_layout_original</item>
         <item>@string/emulation_screen_layout_custom</item>
     </string-array>
 
     <integer-array name="portraitLayoutValues">
         <item>0</item>
+        <item>2</item>
         <item>1</item>
     </integer-array>
 

src/common/settings.h

@@ -51,6 +51,7 @@ enum class PortraitLayoutOption : u32 {
     // formerly mobile portrait
     PortraitTopFullWidth,
     PortraitCustomLayout,
+    PortraitOriginal
 };
 
 /** Defines where the small screen will appear relative to the large screen

src/core/frontend/emu_window.cpp

@@ -221,6 +221,10 @@ void EmuWindow::UpdateCurrentFramebufferLayout(u32 width, u32 height, bool is_po
             layout = Layout::CustomFrameLayout(
                 width, height, Settings::values.swap_screen.GetValue(), is_portrait_mode);
             break;
+        case Settings::PortraitLayoutOption::PortraitOriginal:
+            layout = Layout::PortraitOriginalLayout(width, height,
+                                                    Settings::values.swap_screen.GetValue());
+            break;
         }
     } else {
         switch (layout_option) {

src/core/frontend/framebuffer_layout.cpp

@@ -51,6 +51,18 @@ FramebufferLayout PortraitTopFullFrameLayout(u32 width, u32 height, bool swapped
     return res;
 }
 
+FramebufferLayout PortraitOriginalLayout(u32 width, u32 height, bool swapped) {
+    ASSERT(width > 0);
+    ASSERT(height > 0);
+    const float scale_factor = 1;
+    FramebufferLayout res = LargeFrameLayout(width, height, swapped, false, scale_factor,
+                                             Settings::SmallScreenPosition::BelowLarge);
+    const int shiftY = -(int)(swapped ? res.bottom_screen.top : res.top_screen.top);
+    res.top_screen = res.top_screen.TranslateY(shiftY);
+    res.bottom_screen = res.bottom_screen.TranslateY(shiftY);
+    return res;
+}
+
 FramebufferLayout SingleFrameLayout(u32 width, u32 height, bool swapped, bool upright) {
     ASSERT(width > 0);
     ASSERT(height > 0);
@@ -346,7 +358,7 @@ FramebufferLayout CustomFrameLayout(u32 width, u32 height, bool is_swapped, bool
 
 FramebufferLayout FrameLayoutFromResolutionScale(u32 res_scale, bool is_secondary,
                                                  bool is_portrait) {
-    int width, height;
+    u32 width, height;
     if (is_portrait) {
         auto layout_option = Settings::values.portrait_layout_option.GetValue();
         switch (layout_option) {
@@ -363,9 +375,14 @@ FramebufferLayout FrameLayoutFromResolutionScale(u32 res_scale, bool is_secondar
                 Settings::values.swap_screen.GetValue(), is_portrait);
         case Settings::PortraitLayoutOption::PortraitTopFullWidth:
             width = Core::kScreenTopWidth * res_scale;
-            height = (Core::kScreenTopHeight + Core::kScreenBottomHeight) * res_scale;
+            height = static_cast<int>(Core::kScreenTopHeight + Core::kScreenBottomHeight * 1.25) *
+                     res_scale;
             return PortraitTopFullFrameLayout(width, height,
                                               Settings::values.swap_screen.GetValue());
+        case Settings::PortraitLayoutOption::PortraitOriginal:
+            width = Core::kScreenTopWidth * res_scale;
+            height = (Core::kScreenTopHeight + Core::kScreenBottomHeight) * res_scale;
+            return PortraitOriginalLayout(width, height, Settings::values.swap_screen.GetValue());
         }
     } else {
         auto layout_option = Settings::values.layout_option.GetValue();
@@ -497,6 +514,7 @@ FramebufferLayout GetCardboardSettings(const FramebufferLayout& layout) {
     if (is_portrait) {
         switch (Settings::values.portrait_layout_option.GetValue()) {
         case Settings::PortraitLayoutOption::PortraitTopFullWidth:
+        case Settings::PortraitLayoutOption::PortraitOriginal:
             cardboard_screen_width = top_screen_width;
             cardboard_screen_height = top_screen_height + bottom_screen_height;
             bottom_screen_left += (top_screen_width - bottom_screen_width) / 2;

src/core/frontend/framebuffer_layout.h

@@ -1,4 +1,4 @@
-// Copyright 2016 Citra Emulator Project
+// Copyright Citra Emulator Project / Azahar Emulator Project
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
@@ -62,8 +62,8 @@ FramebufferLayout reverseLayout(FramebufferLayout layout);
 FramebufferLayout DefaultFrameLayout(u32 width, u32 height, bool is_swapped, bool upright);
 
 /**
- * Factory method for constructing the mobile Full Width Top layout
- * Two screens at top, full width, no gap between them
+ * Factory method for constructing the mobile Full Width (Default) layout
+ * Two screens at top, full width (so different heights)
  * @param width Window framebuffer width in pixels
  * @param height Window framebuffer height in pixels
  * @param is_swapped if true, the bottom screen will be displayed above the top screen
@@ -71,6 +71,16 @@ FramebufferLayout DefaultFrameLayout(u32 width, u32 height, bool is_swapped, boo
  */
 FramebufferLayout PortraitTopFullFrameLayout(u32 width, u32 height, bool is_swapped);
 
+/**
+ * Factory method for constructing the mobile Original layout
+ * Two screens at top, equal heights
+ * @param width Window framebuffer width in pixels
+ * @param height Window framebuffer height in pixels
+ * @param is_swapped if true, the bottom screen will be displayed above the top screen
+ * @return Newly created FramebufferLayout object with mobile portrait screen regions initialized
+ */
+FramebufferLayout PortraitOriginalLayout(u32 width, u32 height, bool is_swapped);
+
 /**
  * Factory method for constructing a FramebufferLayout with only the top or bottom screen
  * @param width Window framebuffer width in pixels