commit 6f346ec0b85375defd049029fa781531fdabda56
author Brian Paul <brianp@vmware.com> Tue Dec 30 17:00:36 2008 -0700
committer Brian Paul <brianp@vmware.com> Tue Dec 30 17:00:36 2008 -0700
tree 13b5f5aacea692763bd5aa0fadfd79ec8a595abe
parent 432e9fa85233f28ce42c2bcc94053a2deb45dad9

mesa: comments for some state vars

src/mesa/shader/prog_statevars.h

diff --git a/src/mesa/shader/prog_statevars.h b/src/mesa/shader/prog_statevars.h
index d309114..909bce0 100644
--- a/src/mesa/shader/prog_statevars.h
+++ b/src/mesa/shader/prog_statevars.h
@@ -79,10 +79,10 @@
    STATE_SHININESS,
    STATE_HALF_VECTOR,
 
-   STATE_POSITION,
-   STATE_ATTENUATION,
-   STATE_SPOT_DIRECTION,
-   STATE_SPOT_CUTOFF,
+   STATE_POSITION,       /**< xyzw = position */
+   STATE_ATTENUATION,    /**< xyz = attenuation, w = spot exponent */
+   STATE_SPOT_DIRECTION, /**< xyz = direction, w = cos(cutoff) */
+   STATE_SPOT_CUTOFF,    /**< x = cutoff, yzw = undefined */
 
    STATE_TEXGEN_EYE_S,
    STATE_TEXGEN_EYE_T,