Make default vertex program correctly track surface size.
diff --git a/rsContext.cpp b/rsContext.cpp
index ab3809d..c835dda 100644
--- a/rsContext.cpp
+++ b/rsContext.cpp
@@ -443,6 +443,7 @@
         eglQuerySurface(mEGL.mDisplay, mEGL.mSurface, EGL_HEIGHT, &mEGL.mHeight);
         mWidth = w;
         mHeight = h;
+        mStateVertex.updateSize(this, w, h);
 
         if ((int)mWidth != mEGL.mWidth || (int)mHeight != mEGL.mHeight) {
             LOGE("EGL/Surface mismatch  EGL (%i x %i)  SF (%i x %i)", mEGL.mWidth, mEGL.mHeight, mWidth, mHeight);