From 9fb54a209276157f291c212eb5f944483952ef86 Mon Sep 17 00:00:00 2001
From: Karol Herbst <kherbst@redhat.com>
Date: Fri, 17 Apr 2026 13:56:38 +0200
Subject: [PATCH] mesa/st: do not advertise CL subgroup features on the GL side
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Fixes: 2a5227981e3 ("gallium: add SUBGROUP_FEATURE bits for rotate and rotate_clustered")

Reviewed-by: Marek Olšák <maraeo@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41015>
---
 src/mesa/state_tracker/st_extensions.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 97860d3c5bb..7dde5cb652a 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -639,7 +639,8 @@ void st_init_limits(struct pipe_screen *screen,
    c->ShaderSubgroupSupportedStages =
       mesa_to_gl_stages(screen->caps.shader_subgroup_supported_stages);
    c->ShaderSubgroupSupportedFeatures =
-      screen->caps.shader_subgroup_supported_features;
+      screen->caps.shader_subgroup_supported_features &
+         BITFIELD_MASK(PIPE_SHADER_SUBGROUP_NUM_FEATURES);
    c->ShaderSubgroupQuadAllStages =
       screen->caps.shader_subgroup_quad_all_stages;
 }