Mesa (master): radeonsi: Set STENCILOPVAL fields to 1.

[Michel Dänzer]

Module: Mesa
Branch: master
Commit: 73d9703a9310b8c8ab0defe31598308c9d8b7103
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=73d9703a9310b8c8ab0defe31598308c9d8b7103

Author: Michel Dänzer <michel.daenzer at amd.com>
Date:   Wed Nov 14 16:06:52 2012 +0100

radeonsi: Set STENCILOPVAL fields to 1.

This is necessary for backwards compatibility with pre-SI for stencil.

Fixes a number of stencil related piglit tests, and real apps using stencil.

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

---

 src/gallium/drivers/radeonsi/si_state.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 3e34fa3..e7a4005 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -510,11 +510,13 @@ static void si_update_dsa_stencil_ref(struct r600_context *rctx)
 	si_pm4_set_reg(pm4, R_028430_DB_STENCILREFMASK,
 		       S_028430_STENCILTESTVAL(ref->ref_value[0]) |
 		       S_028430_STENCILMASK(dsa->valuemask[0]) |
-		       S_028430_STENCILWRITEMASK(dsa->writemask[0]));
+		       S_028430_STENCILWRITEMASK(dsa->writemask[0]) |
+		       S_028430_STENCILOPVAL(1));
 	si_pm4_set_reg(pm4, R_028434_DB_STENCILREFMASK_BF,
 		       S_028434_STENCILTESTVAL_BF(ref->ref_value[1]) |
 		       S_028434_STENCILMASK_BF(dsa->valuemask[1]) |
-		       S_028434_STENCILWRITEMASK_BF(dsa->writemask[1]));
+		       S_028434_STENCILWRITEMASK_BF(dsa->writemask[1]) |
+		       S_028434_STENCILOPVAL_BF(1));
 
 	si_pm4_set_state(rctx, dsa_stencil_ref, pm4);
 }