Mesa (main): microsoft/compiler: Fill interpolation for sysval inputs to non-vertex shader

[GitLab Mirror]

Module: Mesa
Branch: main
Commit: 31e2c3f550ebdc6b699d62912de4c05c5213e1f1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=31e2c3f550ebdc6b699d62912de4c05c5213e1f1

Author: Jesse Natalie <jenatali at microsoft.com>
Date:   Thu Feb 10 15:03:56 2022 -0800

microsoft/compiler: Fill interpolation for sysval inputs to non-vertex shader

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/5483
Reviewed-by: Michael Tang <tangm at microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14984>

---

 src/microsoft/compiler/dxil_signature.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/microsoft/compiler/dxil_signature.c b/src/microsoft/compiler/dxil_signature.c
index 25814f38fe1..732ad42bf4e 100644
--- a/src/microsoft/compiler/dxil_signature.c
+++ b/src/microsoft/compiler/dxil_signature.c
@@ -202,6 +202,9 @@ get_semantic_vs_in_name(nir_variable *var, struct semantic_info *info, gl_shader
 static void
 get_semantic_sv_name(nir_variable *var, struct semantic_info *info, gl_shader_stage stage, bool _vulkan)
 {
+   if (stage != MESA_SHADER_VERTEX)
+      info->interpolation = get_interpolation(var);
+
    switch (var->data.location) {
    case SYSTEM_VALUE_VERTEX_ID_ZERO_BASE:
       info->kind = DXIL_SEM_VERTEX_ID;
@@ -217,7 +220,6 @@ get_semantic_sv_name(nir_variable *var, struct semantic_info *info, gl_shader_st
       break;
    case SYSTEM_VALUE_SAMPLE_ID:
       info->kind = DXIL_SEM_SAMPLE_INDEX;
-      info->interpolation = get_interpolation(var);
       break;
    default:
       unreachable("unsupported system value");