diff --git a/libs/hwui/Properties.cpp b/libs/hwui/Properties.cpp
index d184f64..1217b47 100644
--- a/libs/hwui/Properties.cpp
+++ b/libs/hwui/Properties.cpp
@@ -42,6 +42,9 @@
 constexpr bool initialize_gl_always() {
     return false;
 }
+constexpr bool resample_gainmap_regions() {
+    return false;
+}
 }  // namespace hwui_flags
 #endif
 
@@ -100,6 +103,7 @@
 
 bool Properties::clipSurfaceViews = false;
 bool Properties::hdr10bitPlus = false;
+bool Properties::resampleGainmapRegions = false;
 
 int Properties::timeoutMultiplier = 1;
 
@@ -175,6 +179,8 @@
     clipSurfaceViews =
             base::GetBoolProperty("debug.hwui.clip_surfaceviews", hwui_flags::clip_surfaceviews());
     hdr10bitPlus = hwui_flags::hdr_10bit_plus();
+    resampleGainmapRegions = base::GetBoolProperty("debug.hwui.resample_gainmap_regions",
+                                                   hwui_flags::resample_gainmap_regions());
 
     timeoutMultiplier = android::base::GetIntProperty("ro.hw_timeout_multiplier", 1);