moved pixel size calculation from GLClientState to glUtils to be used outside the client state scope. (needed for the renderControl encoder which will follow in next commit). Change-Id: I5adbc40b241537054c6743e2afc52ba44454664f
moved pixel size calculation from GLClientState to glUtils to be used outside the client state scope. (needed for the renderControl encoder which will follow in next commit). Change-Id: I5adbc40b241537054c6743e2afc52ba44454664f