Mesa (master): iris: Fix backface stencil write condition

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Module: Mesa
Branch: master
Commit: f36794d1f0c7f3638f34ff6face8840938a445d0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f36794d1f0c7f3638f34ff6face8840938a445d0

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Sat Mar  9 00:25:30 2019 -0800

iris: Fix backface stencil write condition

A bit too much search and replace here.

---

 src/gallium/drivers/iris/iris_state.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c
index 469d149dfba..1c89682b61c 100644
--- a/src/gallium/drivers/iris/iris_state.c
+++ b/src/gallium/drivers/iris/iris_state.c
@@ -1027,7 +1027,7 @@ iris_create_zsa_state(struct pipe_context *ctx,
    cso->depth_writes_enabled = state->depth.writemask;
    cso->stencil_writes_enabled =
       state->stencil[0].writemask != 0 ||
-      (two_sided_stencil && state->stencil[1].writemask != 1);
+      (two_sided_stencil && state->stencil[1].writemask != 0);
 
    /* The state tracker needs to optimize away EQUAL writes for us. */
    assert(!(state->depth.func == PIPE_FUNC_EQUAL && state->depth.writemask));