pan/bi: Passthrough blend types

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4766>
diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h
index 1cbb211..3fc819c 100644
--- a/src/panfrost/bifrost/compiler.h
+++ b/src/panfrost/bifrost/compiler.h
@@ -387,6 +387,7 @@
        bi_block *break_block;
        bi_block *continue_block;
        bool emitted_atest;
+       nir_alu_type *blend_types;
 
        /* For creating temporaries */
        unsigned temp_alloc;