Giovanni Mascellani : vkd3d-shader/d3d-asm: Only emit signatures for SM4-6.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 23259263cf662fb203a173b30b90f44cfbb9d29e
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/23259263cf662fb203a173b30b90f4...

Author: Giovanni Mascellani <gmascellani(a)codeweavers.com>
Date:   Fri Mar  8 11:07:20 2024 +0100

vkd3d-shader/d3d-asm: Only emit signatures for SM4-6.

---

 libs/vkd3d-shader/d3d_asm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libs/vkd3d-shader/d3d_asm.c b/libs/vkd3d-shader/d3d_asm.c
index ddd1f221..b8dcfd01 100644
--- a/libs/vkd3d-shader/d3d_asm.c
+++ b/libs/vkd3d-shader/d3d_asm.c
@@ -2293,7 +2293,9 @@ enum vkd3d_result vkd3d_dxbc_binary_to_text(const struct vsir_program *program,
             shader_get_type_prefix(shader_version->type), shader_version->major,
             shader_version->minor, compiler.colours.reset);
 
-    if (formatting & VKD3D_SHADER_COMPILE_OPTION_FORMATTING_IO_SIGNATURES)
+    /* The signatures we emit only make sense for DXBC shaders. D3DBC
+     * doesn't even have an explicit concept of signature. */
+    if (formatting & VKD3D_SHADER_COMPILE_OPTION_FORMATTING_IO_SIGNATURES && shader_version->major >= 4)
     {
         if ((result = dump_signatures(&compiler, shader_desc, shader_version->type)) < 0)
         {