From 301b71a19fc38c4d0158db461347577dde8b74ef Mon Sep 17 00:00:00 2001
From: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Date: Wed, 17 Sep 2025 11:45:13 +0300
Subject: [PATCH] compiler: add an access flag for intel EU fusion

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Alyssa Anne Rosenzweig <alyssa.rosenzweig@intel.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37394>
---
 src/compiler/nir/nir_print.c | 1 +
 src/compiler/shader_enums.h  | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/src/compiler/nir/nir_print.c b/src/compiler/nir/nir_print.c
index 8c6d698a757..6dfa47fdcd0 100644
--- a/src/compiler/nir/nir_print.c
+++ b/src/compiler/nir/nir_print.c
@@ -852,6 +852,7 @@ print_access(enum gl_access_qualifier access, print_state *state, const char *se
       { ACCESS_SMEM_AMD, "smem-amd" },
       { ACCESS_SKIP_HELPERS, "skip-helpers" },
       { ACCESS_ATOMIC, "atomic" },
+      { ACCESS_FUSED_EU_DISABLE_INTEL, "fused-eu-disable-intel" },
    };
 
    bool first = true;
diff --git a/src/compiler/shader_enums.h b/src/compiler/shader_enums.h
index 953fc5096a0..88f16ceaa81 100644
--- a/src/compiler/shader_enums.h
+++ b/src/compiler/shader_enums.h
@@ -1235,6 +1235,12 @@ enum gl_access_qualifier
     * the load never tears.
     */
    ACCESS_ATOMIC = (1 << 18),
+
+   /**
+    * Indicates that access should be serialized with regard to the Intel EU
+    * fusion feature.
+    */
+   ACCESS_FUSED_EU_DISABLE_INTEL = (1 << 19),
 };
 
 /**