From: Kenneth Graunke <kenneth@whitecape.org>
Date: Sun, 22 Jul 2018 03:47:08 +0000 (-0700)
Subject: iris: reemit blend state for alpha test function changes
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c60a4de1f5a45920c55a645ce3879983a5eb35e9;p=mesa.git

iris: reemit blend state for alpha test function changes

fixes bin/fbo-alphatest-formats GL_EXT_texture_snorm
---

diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c
index 638a5e24e08..51b134b73e1 100644
--- a/src/gallium/drivers/iris/iris_state.c
+++ b/src/gallium/drivers/iris/iris_state.c
@@ -599,6 +599,9 @@ iris_bind_zsa_state(struct pipe_context *ctx, void *state)
 
       if (cso_changed(alpha.enabled))
          ice->state.dirty |= IRIS_DIRTY_PS_BLEND | IRIS_DIRTY_BLEND_STATE;
+
+      if (cso_changed(alpha.func))
+         ice->state.dirty |= IRIS_DIRTY_BLEND_STATE;
    }
 
    ice->state.cso_zsa = new_cso;