ac/nir/ngg: add one odd dword to nogs culling pervertex lds

radeonsi use like this.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18832>

diff --git a/src/amd/common/ac_nir_lower_ngg.c b/src/amd/common/ac_nir_lower_ngg.c
index bd6e308..030295c 100644 (file)
--- a/src/amd/common/ac_nir_lower_ngg.c
+++ b/src/amd/common/ac_nir_lower_ngg.c
@@ -1312,7 +1312,8 @@ ngg_nogs_get_culling_pervertex_lds_size(gl_shader_stage stage,
    if (max_exported_args)
       *max_exported_args = max_args;
 
-   return lds_es_arg_0 + max_args * 4u;
+   /* one odd dword to reduce LDS bank conflict */
+   return (lds_es_arg_0 + max_args * 4u) | 4u;
 }
 
 static void