Removed primary-screen checks so the input overlay always forwards touch events, ensuring all touches reach the native handler even when multiple displays are active

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

@@ -104,10 +104,7 @@ class SecondaryDisplayPresentation(
             }
         })
 
-        val sendToSecondary = DisplayHelper.isBottomOnSecondary()
-
         this.surfaceView.setOnTouchListener { _, event ->
-            if (!sendToSecondary) return@setOnTouchListener true
 
             val pointerIndex = event.actionIndex
             val pointerId = event.getPointerId(pointerIndex)

src/android/app/src/main/java/org/citra/citra_emu/overlay/InputOverlay.kt

@@ -24,7 +24,6 @@ import androidx.preference.PreferenceManager
 import org.citra.citra_emu.CitraApplication
 import org.citra.citra_emu.NativeLibrary
 import org.citra.citra_emu.R
-import org.citra.citra_emu.display.DisplayHelper
 import org.citra.citra_emu.utils.EmulationMenuSettings
 import org.citra.citra_emu.utils.TurboHelper
 import java.lang.NullPointerException
@@ -105,8 +104,6 @@ class InputOverlay(context: Context?, attrs: AttributeSet?) : SurfaceView(contex
         val isActionUp =
             motionEvent == MotionEvent.ACTION_UP || motionEvent == MotionEvent.ACTION_POINTER_UP
 
-        val isTouchScreenHere = DisplayHelper.isBottomOnPrimary()
-
         val pointerList = (0 until event.pointerCount).toMutableList()
         // Move the pointer that triggered the most recent event to the front
         // of the list so that it is processed first
@@ -152,7 +149,7 @@ class InputOverlay(context: Context?, attrs: AttributeSet?) : SurfaceView(contex
 
             val hasActiveOverlay = hasActiveButtons || hasActiveDpad || hasActiveJoystick
 
-            if (preferences.getBoolean("isTouchEnabled", true) && !hasActiveOverlay && isTouchScreenHere) {
+            if (preferences.getBoolean("isTouchEnabled", true) && !hasActiveOverlay) {
                 if (isActionMove) {
                     NativeLibrary.onTouchMoved(xPosition.toFloat(), yPosition.toFloat())
                     continue
@@ -254,8 +251,7 @@ class InputOverlay(context: Context?, attrs: AttributeSet?) : SurfaceView(contex
 
             if (preferences.getBoolean("isTouchEnabled", true) &&
                 isActionDown &&
-                !anyOverlayStateChanged &&
-                isTouchScreenHere
+                !anyOverlayStateChanged
             ) {
                 // These need to be recalculated because touching the area
                 // right in the middle of the dpad (between the "buttons") or

src/core/frontend/emu_window.cpp

@@ -66,6 +66,10 @@ bool EmuWindow::IsWithinTouchscreen(const Layout::FramebufferLayout& layout, uns
     }
 #endif
 
+    if (!layout.bottom_screen_enabled) {
+        return false;
+    }
+
     Settings::StereoRenderOption render_3d_mode = Settings::values.render_3d.GetValue();
 
     if (render_3d_mode == Settings::StereoRenderOption::SideBySide ||