Zebediah Figura : vkd3d-shader/d3dbc: Set the interpolation mode for signature elements.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 6b7834d6356a547994b2569e0d47962a7994fb71
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/6b7834d6356a547994b2569e0d4796...

Author: Zebediah Figura <zfigura(a)codeweavers.com>
Date:   Thu Oct 19 21:34:23 2023 -0500

vkd3d-shader/d3dbc: Set the interpolation mode for signature elements.

---

 libs/vkd3d-shader/d3dbc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libs/vkd3d-shader/d3dbc.c b/libs/vkd3d-shader/d3dbc.c
index 67fa3271..a41aaaa6 100644
--- a/libs/vkd3d-shader/d3dbc.c
+++ b/libs/vkd3d-shader/d3dbc.c
@@ -555,9 +555,9 @@ static bool add_signature_element(struct vkd3d_shader_sm1_parser *sm1, bool outp
         return false;
     element = &signature->elements[signature->element_count++];
 
+    memset(element, 0, sizeof(*element));
     element->semantic_name = name;
     element->semantic_index = index;
-    element->stream_index = 0;
     element->sysval_semantic = sysval;
     element->component_type = VKD3D_SHADER_COMPONENT_FLOAT;
     element->register_index = register_index;
@@ -565,7 +565,8 @@ static bool add_signature_element(struct vkd3d_shader_sm1_parser *sm1, bool outp
     element->register_count = 1;
     element->mask = mask;
     element->used_mask = is_dcl ? 0 : mask;
-    element->min_precision = VKD3D_SHADER_MINIMUM_PRECISION_NONE;
+    if (sm1->p.shader_version.type == VKD3D_SHADER_TYPE_PIXEL && !output)
+        element->interpolation_mode = VKD3DSIM_LINEAR;
 
     return true;
 }