From 213b70a22209ddfe4aead127e81ed06c51bf223e Mon Sep 17 00:00:00 2001
From: Kenneth Graunke <kenneth@whitecape.org>
Date: Tue, 30 Jan 2018 17:44:26 -0800
Subject: [PATCH] iris: sample mask...not 0.

We now have a first triangle!
---
 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 ae07c3a0518..5d63c21b0bc 100644
--- a/src/gallium/drivers/iris/iris_state.c
+++ b/src/gallium/drivers/iris/iris_state.c
@@ -1999,7 +1999,7 @@ iris_upload_render_state(struct iris_context *ice,
 
    if (dirty & IRIS_DIRTY_SAMPLE_MASK) {
       iris_emit_cmd(batch, GENX(3DSTATE_SAMPLE_MASK), ms) {
-         ms.SampleMask = ice->state.sample_mask;
+         ms.SampleMask = MAX2(ice->state.sample_mask, 1);
       }
    }
 
-- 
2.30.2