Mesa (master): i965: Set Line Stipple enable bit in 3DSTATE_SF for Haswell.

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: b4410ac3944ee30bbf5455e3e649b73f559a7d38
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b4410ac3944ee30bbf5455e3e649b73f559a7d38

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Sat Sep 24 00:42:23 2011 -0700

i965: Set Line Stipple enable bit in 3DSTATE_SF for Haswell.

Apparently this needs to be the same as in 3DSTATE_WM.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Eric Anholt <eric at anholt.net>

---

 src/mesa/drivers/dri/i965/brw_defines.h   |    2 ++
 src/mesa/drivers/dri/i965/gen7_sf_state.c |    3 +++
 2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index 41534b6..a093112 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -1210,6 +1210,8 @@ enum brw_message_target {
  */
 /* GEN7/DW1: */
 # define GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT	12
+/* GEN7/DW2: */
+# define HSW_SF_LINE_STIPPLE_ENABLE			14
 
 #define _3DSTATE_SBE				0x781F /* GEN7+ */
 /* DW1 */
diff --git a/src/mesa/drivers/dri/i965/gen7_sf_state.c b/src/mesa/drivers/dri/i965/gen7_sf_state.c
index c8f4393..5c51abc 100644
--- a/src/mesa/drivers/dri/i965/gen7_sf_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_sf_state.c
@@ -249,6 +249,9 @@ upload_sf_state(struct brw_context *brw)
       dw2 |= GEN6_SF_LINE_AA_MODE_TRUE;
       dw2 |= GEN6_SF_LINE_END_CAP_WIDTH_1_0;
    }
+   if (ctx->Line.StippleFlag && intel->is_haswell) {
+      dw2 |= HSW_SF_LINE_STIPPLE_ENABLE;
+   }
 
    /* FINISHME: Last Pixel Enable?  Vertex Sub Pixel Precision Select?
     * FINISHME: AA Line Distance Mode?