The name was misleading. The actual effect of the bit is to cause
the clipper to emit *non-perspective* barycentric coordinate
information (which is only needed when doing noperspective
interpolation).
---
src/mesa/drivers/dri/i965/brw_defines.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_defines.h
b/src/mesa/drivers/dri/i965/brw_defines.h
index 42a8dad..fcf55d5 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -1100,7 +1100,7 @@ enum brw_message_target {
# define GEN6_CLIP_MODE_REJECT_ALL (3 << 13)
# define GEN6_CLIP_MODE_ACCEPT_ALL (4 << 13)
# define GEN6_CLIP_PERSPECTIVE_DIVIDE_DISABLE (1 << 9)
-# define GEN6_CLIP_BARYCENTRIC_ENABLE (1 << 8)
+# define GEN6_CLIP_NON_PERSPECTIVE_BARYCENTRIC_ENABLE (1 << 8)
# define GEN6_CLIP_TRI_PROVOKE_SHIFT 4
# define GEN6_CLIP_LINE_PROVOKE_SHIFT 2
# define GEN6_CLIP_TRIFAN_PROVOKE_SHIFT 0
--
1.7.6.4
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-dev
