COMPMID-631: Merge branches/gles_compute branch

Last commit:
commit b25c5f68042b0c81bf611d59a1bb8535e1c42497
Author: Xinghang Zhou <xinghang.zhou@arm.com>
Date:   Wed Oct 25 18:48:10 2017 +0800

    Synced validation's tolerances of GCSoftmax from cl side

Change-Id: Ibe72054205c1c8721845d679a31af7ed0a7c5cf6
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/93283
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
diff --git a/src/core/Helpers.cpp b/src/core/Helpers.cpp
index fc0b6e9..151d7de 100644
--- a/src/core/Helpers.cpp
+++ b/src/core/Helpers.cpp
@@ -106,6 +106,13 @@
         ++n;
     }
 
+    if(tensor_shape.num_dimensions() > 2)
+    {
+        window.set(2, Window::Dimension(0, std::max<size_t>(1, tensor_shape[n]), steps[2]));
+
+        ++n;
+    }
+
     for(; n < Coordinates::num_max_dimensions; ++n)
     {
         window.set(n, Window::Dimension(0, std::max<size_t>(1, tensor_shape[n])));