tgsi: clarify TGSI_SEMANTIC_{LAYER,VIEWPORT_INDEX}
authorNicolai Hähnle <nicolai.haehnle@amd.com>
Thu, 13 Apr 2017 20:13:55 +0000 (22:13 +0200)
committerNicolai Hähnle <nicolai.haehnle@amd.com>
Fri, 14 Apr 2017 20:50:06 +0000 (22:50 +0200)
commitf3d2cf6c1ff6ccf16c2a471f8f05c4ed5a734ae4
tree1a4ed32a45e578cfcdc5f282a01dd5d562b2ce82
parent17f24a9b752fa3f7a412ca05ae7029d142785e59
tgsi: clarify TGSI_SEMANTIC_{LAYER,VIEWPORT_INDEX}

Depending on pipe caps they can be writable in all vertex processing
stages, but only the output of the last stage counts.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
src/gallium/docs/source/tgsi.rst