iris: reemit blend state for alpha test function changes

fixes bin/fbo-alphatest-formats GL_EXT_texture_snorm
2018-07-21 20:47:08 -07:00
parent a4036635b1
commit c60a4de1f5
1 changed files with 3 additions and 0 deletions
@@ -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;