Create HLSL texture offset functions.

BUG=angle:541

Change-Id: I63dd47c40d693724aa6bed93e9967e3b1f8535bd
Reviewed-on: https://chromium-review.googlesource.com/181521
Tested-by: Nicolas Capens <nicolascapens@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
diff --git a/src/compiler/translator/OutputHLSL.h b/src/compiler/translator/OutputHLSL.h
index 728682e..d7556b8 100644
--- a/src/compiler/translator/OutputHLSL.h
+++ b/src/compiler/translator/OutputHLSL.h
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
+// Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
@@ -110,6 +110,7 @@
         TBasicType sampler;
         int coords;
         bool proj;
+        bool offset;
         Method method;
 
         TString name() const;