fix [2168528] enable glTexImage2D code path in SF for software-only buffers
diff --git a/libs/surfaceflinger/DisplayHardware/DisplayHardware.h b/libs/surfaceflinger/DisplayHardware/DisplayHardware.h
index cb688b7..6914d0c 100644
--- a/libs/surfaceflinger/DisplayHardware/DisplayHardware.h
+++ b/libs/surfaceflinger/DisplayHardware/DisplayHardware.h
@@ -51,6 +51,7 @@
         PARTIAL_UPDATES         = 0x00020000,   // video driver feature
         SLOW_CONFIG             = 0x00040000,   // software
         SWAP_RECTANGLE          = 0x00080000,
+        CACHED_BUFFERS          = 0x00100000
     };
 
     DisplayHardware(