Merge "MotionEvent: Guard getRawX/Y compatibility logic using feature flag" into sc-dev am: 15c1c683fd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/15371962

Change-Id: Iabba246d11b32d38f1b3d75ff7d09809b76555d5

1 files changed, 12 insertions, 0 deletions

diff --git a/libs/input/Input.cpp b/libs/input/Input.cpp
index 2860aa303f..35209f7a07 100644
--- a/libs/input/Input.cpp
+++ b/libs/input/Input.cpp
@@ -23,6 +23,7 @@
 #include <limits.h>
 #include <string.h>
 
+#include <android-base/properties.h>
 #include <android-base/stringprintf.h>
 #include <gui/constants.h>
 #include <input/Input.h>
@@ -42,6 +43,15 @@ namespace android {
 
 namespace {
 
+// When per-window-input-rotation is enabled, InputFlinger works in the un-rotated display
+// coordinates and SurfaceFlinger includes the display rotation in the input window transforms.
+bool isPerWindowInputRotationEnabled() {
+    static const bool PER_WINDOW_INPUT_ROTATION =
+            base::GetBoolProperty("persist.debug.per_window_input_rotation", false);
+
+    return PER_WINDOW_INPUT_ROTATION;
+}
+
 float transformAngle(const ui::Transform& transform, float angleRadians) {
     // Construct and transform a vector oriented at the specified clockwise angle from vertical.
     // Coordinate system: down is increasing Y, right is increasing X.
@@ -530,6 +540,8 @@ float MotionEvent::getHistoricalRawAxisValue(int32_t axis, size_t pointerIndex,
                                              size_t historicalIndex) const {
     const PointerCoords* coords = getHistoricalRawPointerCoords(pointerIndex, historicalIndex);
 
+    if (!isPerWindowInputRotationEnabled()) return coords->getAxisValue(axis);
+
     if (axis == AMOTION_EVENT_AXIS_X || axis == AMOTION_EVENT_AXIS_Y) {
         // For compatibility, convert raw coordinates into "oriented screen space". Once app
         // developers are educated about getRaw, we can consider removing this.