[Mesa-dev] [PATCH 5/8] i965: Set "Stencil Buffer Enable" bit on Haswell.

[Kenneth Graunke]

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
---
 src/mesa/drivers/dri/i965/gen7_misc_state.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/gen7_misc_state.c b/src/mesa/drivers/dri/i965/gen7_misc_state.c
index d0ce542..d3458e0 100644
--- a/src/mesa/drivers/dri/i965/gen7_misc_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_misc_state.c
@@ -139,9 +139,12 @@ static void emit_depthbuffer(struct brw_context *brw)
       OUT_BATCH(0);
       ADVANCE_BATCH();
    } else {
+      const int enabled = intel->is_haswell ? (1 << 31) : 0;
+
       BEGIN_BATCH(3);
       OUT_BATCH(GEN7_3DSTATE_STENCIL_BUFFER << 16 | (3 - 2));
-      OUT_BATCH(stencil_mt->region->pitch * stencil_mt->region->cpp - 1);
+      OUT_BATCH(enabled |
+	        (stencil_mt->region->pitch * stencil_mt->region->cpp - 1));
       OUT_RELOC(stencil_mt->region->bo,
 	        I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
 		0);
-- 
1.7.7.6