From e003104605f506333d2ac8a9c2baf9f04eaebb81 Mon Sep 17 00:00:00 2001
From: Jason Ekstrand <jason@jlekstrand.net>
Date: Wed, 15 Apr 2020 16:05:43 -0500
Subject: [PATCH] intel: Add _const versions of prog_data cast helpers

Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4597>
---
 src/intel/compiler/brw_compiler.h | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/intel/compiler/brw_compiler.h b/src/intel/compiler/brw_compiler.h
index 25fc3eaa915..62c7e85e55f 100644
--- a/src/intel/compiler/brw_compiler.h
+++ b/src/intel/compiler/brw_compiler.h
@@ -1254,11 +1254,16 @@ union brw_any_prog_data {
    struct brw_cs_prog_data cs;
 };
 
-#define DEFINE_PROG_DATA_DOWNCAST(stage)                       \
-static inline struct brw_##stage##_prog_data *                 \
-brw_##stage##_prog_data(struct brw_stage_prog_data *prog_data) \
-{                                                              \
-   return (struct brw_##stage##_prog_data *) prog_data;        \
+#define DEFINE_PROG_DATA_DOWNCAST(stage)                                   \
+static inline struct brw_##stage##_prog_data *                             \
+brw_##stage##_prog_data(struct brw_stage_prog_data *prog_data)             \
+{                                                                          \
+   return (struct brw_##stage##_prog_data *) prog_data;                    \
+}                                                                          \
+static inline const struct brw_##stage##_prog_data *                       \
+brw_##stage##_prog_data_const(const struct brw_stage_prog_data *prog_data) \
+{                                                                          \
+   return (const struct brw_##stage##_prog_data *) prog_data;              \
 }
 DEFINE_PROG_DATA_DOWNCAST(vue)
 DEFINE_PROG_DATA_DOWNCAST(vs)
-- 
2.30.2