3 files changed, 14 insertions, 0 deletions
diff --git a/libs/gui/LayerDebugInfo.cpp b/libs/gui/LayerDebugInfo.cpp
index cdde9a2308..e707684618 100644
--- a/libs/gui/LayerDebugInfo.cpp
+++ b/libs/gui/LayerDebugInfo.cpp
@@ -61,6 +61,7 @@ status_t LayerDebugInfo::writeToParcel(Parcel* parcel) const {
     RETURN_ON_ERROR(parcel->writeBool(mRefreshPending));
     RETURN_ON_ERROR(parcel->writeBool(mIsOpaque));
     RETURN_ON_ERROR(parcel->writeBool(mContentDirty));
+    RETURN_ON_ERROR(parcel->write(mStretchEffect));
     return NO_ERROR;
 }
 
@@ -105,6 +106,7 @@ status_t LayerDebugInfo::readFromParcel(const Parcel* parcel) {
     RETURN_ON_ERROR(parcel->readBool(&mRefreshPending));
     RETURN_ON_ERROR(parcel->readBool(&mIsOpaque));
     RETURN_ON_ERROR(parcel->readBool(&mContentDirty));
+    RETURN_ON_ERROR(parcel->read(mStretchEffect));
     return NO_ERROR;
 }
 
@@ -115,6 +117,12 @@ std::string to_string(const LayerDebugInfo& info) {
     info.mTransparentRegion.dump(result, "TransparentRegion");
     info.mVisibleRegion.dump(result, "VisibleRegion");
     info.mSurfaceDamageRegion.dump(result, "SurfaceDamageRegion");
+    if (info.mStretchEffect.hasEffect()) {
+        const auto& se = info.mStretchEffect;
+        StringAppendF(&result, "  StretchEffect area=[%f, %f, %f, %f] vec=(%f, %f) maxAmount=%f\n",
+                      se.area.left, se.area.top, se.area.right, se.area.bottom, se.vectorX,
+                      se.vectorY, se.maxAmount);
+    }
 
     StringAppendF(&result, "      layerStack=%4d, z=%9d, pos=(%g,%g), size=(%4d,%4d), ",
                   info.mLayerStack, info.mZ, static_cast<double>(info.mX),
diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index f053372cb0..288bf92c15 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -548,6 +548,10 @@ void layer_state_t::merge(const layer_state_t& other) {
         what |= eAutoRefreshChanged;
         autoRefresh = other.autoRefresh;
     }
+    if (other.what & eStretchChanged) {
+        what |= eStretchChanged;
+        stretchEffect = other.stretchEffect;
+    }
     if ((other.what & what) != other.what) {
         ALOGE("Unmerged SurfaceComposer Transaction properties. LayerState::merge needs updating? "
               "other.what=0x%" PRIu64 " what=0x%" PRIu64,
diff --git a/libs/gui/include/gui/LayerDebugInfo.h b/libs/gui/include/gui/LayerDebugInfo.h
index 66a7b4dc06..8b7d32c0a5 100644
--- a/libs/gui/include/gui/LayerDebugInfo.h
+++ b/libs/gui/include/gui/LayerDebugInfo.h
@@ -20,6 +20,7 @@
 
 #include <ui/PixelFormat.h>
 #include <ui/Region.h>
+#include <ui/StretchEffect.h>
 
 #include <string>
 #include <math/vec4.h>
@@ -66,6 +67,7 @@ public:
     bool mRefreshPending = false;
     bool mIsOpaque = false;
     bool mContentDirty = false;
+    StretchEffect mStretchEffect = {};
 };
 
 std::string to_string(const LayerDebugInfo& info);