Fix for bug 3434228

Change-Id: I57973faf782b487e7913a096f0ab6012dc1c9415
diff --git a/rsContext.h b/rsContext.h
index c5e32a6..50f63df 100644
--- a/rsContext.h
+++ b/rsContext.h
@@ -218,6 +218,8 @@
 
     void launchThreads(WorkerCallback_t cbk, void *data);
     uint32_t getWorkerPoolSize() const {return (uint32_t)mWorkers.mCount;}
+    uint32_t getDPI() const {return mDPI;}
+    void setDPI(uint32_t dpi) {mDPI = dpi;}
 
 protected:
     Device *mDev;
@@ -258,6 +260,7 @@
         float EXT_texture_max_aniso;
     } mGL;
 
+    uint32_t mDPI;
     uint32_t mWidth;
     uint32_t mHeight;
     int32_t mThreadPriority;