Mesa (master): i965/gs: Don't assign gl_Layer its own slot in the VUE map.
Paul Berry
stereotype441 at kemper.freedesktop.org
Thu Sep 5 17:36:51 UTC 2013
Module: Mesa
Branch: master
Commit: 9dfa8ae662f522d7fb9e9be11a71a2eafc7985f0
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=9dfa8ae662f522d7fb9e9be11a71a2eafc7985f0
Author: Paul Berry <stereotype441 at gmail.com>
Date: Tue Sep 3 13:57:35 2013 -0700
i965/gs: Don't assign gl_Layer its own slot in the VUE map.
Reviewed-by: Chad Versace <chad.versace at linux.intel.com>
---
src/mesa/drivers/dri/i965/brw_vs.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_vs.c b/src/mesa/drivers/dri/i965/brw_vs.c
index b81a538..7c7493f 100644
--- a/src/mesa/drivers/dri/i965/brw_vs.c
+++ b/src/mesa/drivers/dri/i965/brw_vs.c
@@ -64,6 +64,11 @@ brw_compute_vue_map(struct brw_context *brw, struct brw_vue_map *vue_map,
vue_map->slots_valid = slots_valid;
int i;
+ /* gl_Layer doesn't get its own varying slot--it's stored in the virst VUE
+ * slot (VARYING_SLOT_PSIZ).
+ */
+ slots_valid &= ~VARYING_BIT_LAYER;
+
/* Make sure that the values we store in vue_map->varying_to_slot and
* vue_map->slot_to_varying won't overflow the signed chars that are used
* to store them. Note that since vue_map->slot_to_varying sometimes holds
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