Add --nowarp option to testtex: just make texture coordinates the same as NDC image coordinates.  Helpful for the new testsuite/texture-res test (sorry, this should have been checked in simultaneously).
Add --nowarp option to testtex: just make texture coordinates the same as
NDC image coordinates.  Helpful for the new testsuite/texture-res test
(sorry, this should have been checked in simultaneously).


git-svn-id: c3edda122e248ef33995da003806c930f62b9468@1237 31904243-a364-42ac-a3db-9305396518ba

cwilling/oiio,lgritz/oiio,jeremyselan/oiio,OpenImageIO/oiio,mcanthony/oiio,jeremyselan/oiio,OpenImageIO/oiio,bdeluca/oiio,scott-wilson/oiio,lgritz/oiio,bdeluca/oiio,scott-wilson/oiio,OpenImageIO/oiio,sambler/oiio,lgritz/oiio,cwilling/oiio,cwilling/oiio,mcanthony/oiio,YangYangTL/oiio,micler/oiio,micler/oiio,OpenImageIO/oiio,YangYangTL/oiio,lgritz/oiio,sambler/oiio,bdeluca/oiio,mcanthony/oiio,YangYangTL/oiio,scott-wilson/oiio,mcanthony/oiio,scott-wilson/oiio,YangYangTL/oiio,jeremyselan/oiio,sambler/oiio,sambler/oiio,cwilling/oiio,micler/oiio,bdeluca/oiio,micler/oiio