From 86b336f71b21c813a1fa890440553aedcfb08fa7 Mon Sep 17 00:00:00 2001 From: Michal Krol Date: Mon, 4 Jan 2010 13:38:58 +0100 Subject: docs: Explain TGSI_SEMANTIC_NORMAL. --- src/gallium/docs/source/tgsi.rst | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/gallium/docs') diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 492a1b7ea30..ebee4902b05 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -1253,7 +1253,8 @@ can be stored inside a four-component vector. TGSI_SEMANTIC_NORMAL """""""""""""""""""" -XXX no clue. +Vertex normal; could be used to implement per-pixel lighting for legacy APIs +that allow mixing fixed-function and programmable stages. TGSI_SEMANTIC_FACE """""""""""""""""" -- cgit v1.2.3