diff --git a/libs/hwui/hwui/ImageDecoder.cpp b/libs/hwui/hwui/ImageDecoder.cpp
index 8266beb..9a06be0 100644
--- a/libs/hwui/hwui/ImageDecoder.cpp
+++ b/libs/hwui/hwui/ImageDecoder.cpp
@@ -498,7 +498,7 @@
     return result;
 }
 
-SkCodec::Result ImageDecoder::extractGainmap(Bitmap* destination) {
+SkCodec::Result ImageDecoder::extractGainmap(Bitmap* destination, bool isShared) {
     ATRACE_CALL();
     SkGainmapInfo gainmapInfo;
     std::unique_ptr<SkStream> gainmapStream;
@@ -553,9 +553,12 @@
         return SkCodec::kInternalError;
     }
 
-    // TODO: We don't currently parcel the gainmap, but if we should then also support
-    // the shared allocator
-    sk_sp<Bitmap> nativeBitmap = Bitmap::allocateHeapBitmap(&bm);
+    sk_sp<Bitmap> nativeBitmap;
+    if (isShared) {
+        nativeBitmap = Bitmap::allocateAshmemBitmap(&bm);
+    } else {
+        nativeBitmap = Bitmap::allocateHeapBitmap(&bm);
+    }
     if (!nativeBitmap) {
         ALOGE("OOM allocating Bitmap with dimensions %i x %i", bitmapInfo.width(),
               bitmapInfo.height());
diff --git a/libs/hwui/hwui/ImageDecoder.h b/libs/hwui/hwui/ImageDecoder.h
index 97573e1..b3781b5 100644
--- a/libs/hwui/hwui/ImageDecoder.h
+++ b/libs/hwui/hwui/ImageDecoder.h
@@ -79,7 +79,7 @@
     // Set whether the ImageDecoder should handle RestorePrevious frames.
     void setHandleRestorePrevious(bool handle);
 
-    SkCodec::Result extractGainmap(Bitmap* destination);
+    SkCodec::Result extractGainmap(Bitmap* destination, bool isShared);
 
 private:
     // State machine for keeping track of how to handle RestorePrevious (RP)
diff --git a/libs/hwui/jni/ImageDecoder.cpp b/libs/hwui/jni/ImageDecoder.cpp
index fda7080..7d6db62 100644
--- a/libs/hwui/jni/ImageDecoder.cpp
+++ b/libs/hwui/jni/ImageDecoder.cpp
@@ -354,7 +354,8 @@
     // cost of RAM
     if (result == SkCodec::kSuccess && !jpostProcess && !preferRamOverQuality) {
         // The gainmap costs RAM to improve quality, so skip this if we're prioritizing RAM instead
-        result = decoder->extractGainmap(nativeBitmap.get());
+        result = decoder->extractGainmap(nativeBitmap.get(),
+                                         allocator == kSharedMemory_Allocator ? true : false);
         jexception = get_and_clear_exception(env);
     }