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authorMichal Krol <[email protected]>2010-01-04 13:38:58 +0100
committerMichal Krol <[email protected]>2010-01-04 13:38:58 +0100
commit86b336f71b21c813a1fa890440553aedcfb08fa7 (patch)
treee653b243735483a2fb4cd675df5eec7e6f5e3fa2 /src
parent8ab89d7681b90ba4cf556237fe5d08b706fd11ae (diff)
docs: Explain TGSI_SEMANTIC_NORMAL.
Diffstat (limited to 'src')
-rw-r--r--src/gallium/docs/source/tgsi.rst3
1 files changed, 2 insertions, 1 deletions
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
""""""""""""""""""