From 135c9fa7b68986918faae98aa120887c8ce936bf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Ol=C5=A1=C3=A1k?= <marek.olsak@amd.com>
Date: Tue, 24 Dec 2024 14:09:17 -0500
Subject: [PATCH] st/mesa: unlower IO for internal shaders if needed

This will be required because all internal shaders will be converted
to IO intrinsics.

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32779>
---
 src/mesa/state_tracker/st_nir_builtins.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mesa/state_tracker/st_nir_builtins.c b/src/mesa/state_tracker/st_nir_builtins.c
index 1a44ae20965..a1c91dcc01c 100644
--- a/src/mesa/state_tracker/st_nir_builtins.c
+++ b/src/mesa/state_tracker/st_nir_builtins.c
@@ -73,6 +73,12 @@ st_nir_finish_builtin_nir(struct st_context *st, nir_shader *nir)
    if (!screen->get_param(screen, PIPE_CAP_NIR_IMAGES_AS_DEREF))
       NIR_PASS(_, nir, gl_nir_lower_images, false);
 
+   if (nir->info.io_lowered &&
+       !(nir->options->io_options & nir_io_has_intrinsics)) {
+      NIR_PASS(_, nir, st_nir_unlower_io_to_vars);
+      gl_nir_opts(nir);
+   }
+
    if (screen->finalize_nir) {
       char *msg = screen->finalize_nir(screen, nir);
       free(msg);