[Mesa-dev] [PATCH 7/7] radv: do not add extra SGPR when push constants are not used

[Samuel Pitoiset]

This is not because the vertex stage needs some push constants
that other stages need them too. This should reduce the number
of loaded SGPRs in some situations.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
 src/amd/common/ac_shader_info.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/amd/common/ac_shader_info.c b/src/amd/common/ac_shader_info.c
index 6aadb5032e..ab5388fb53 100644
--- a/src/amd/common/ac_shader_info.c
+++ b/src/amd/common/ac_shader_info.c
@@ -149,7 +149,8 @@ ac_nir_shader_info_pass(struct nir_shader *nir,
 	struct nir_function *func = (struct nir_function *)exec_list_get_head(&nir->functions);
 
 	info->needs_push_constants = false;
-	if (options->layout->push_constant_size ||
+	if ((options->layout->push_constant_size &&
+	     options->layout->push_constant_stages & (1 << nir->info.stage)) ||
 	    options->layout->dynamic_offset_count)
 		info->needs_push_constants = true;
 
-- 
2.15.1