TRAC #11558

* VertexDataManager::internalPreRenderValidate operates directly on the output pointer.

Signed-off-by: Nicolas Capens
Signed-off-by: Daniel Koch
Author:    Andrew Lewycky

git-svn-id: https://angleproject.googlecode.com/svn/trunk@74 736b8ea6-26fd-11df-bfd4-992fa37f6226