Giovanni Mascellani : vkd3d-shader/hlsl: Emit half results when operating on half arguments.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: ecad299ba416e4f7cc98677fa2596d29ef2555ab
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/ecad299ba416e4f7cc98677fa2596d...

Author: Giovanni Mascellani <gmascellani(a)codeweavers.com>
Date:   Mon Apr  8 12:51:34 2024 +0200

vkd3d-shader/hlsl: Emit half results when operating on half arguments.

---

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

diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y
index e81da352..03e14d84 100644
--- a/libs/vkd3d-shader/hlsl.y
+++ b/libs/vkd3d-shader/hlsl.y
@@ -2682,12 +2682,14 @@ static bool elementwise_intrinsic_convert_args(struct hlsl_ctx *ctx,
 static bool elementwise_intrinsic_float_convert_args(struct hlsl_ctx *ctx,
         const struct parse_initializer *params, const struct vkd3d_shader_location *loc)
 {
+    enum hlsl_base_type base_type;
     struct hlsl_type *type;
 
     if (!(type = elementwise_intrinsic_get_common_type(ctx, params, loc)))
         return false;
 
-    type = hlsl_get_numeric_type(ctx, type->class, HLSL_TYPE_FLOAT, type->dimx, type->dimy);
+    base_type = type->base_type == HLSL_TYPE_HALF ? HLSL_TYPE_HALF : HLSL_TYPE_FLOAT;
+    type = hlsl_get_numeric_type(ctx, type->class, base_type, type->dimx, type->dimy);
 
     return convert_args(ctx, params, type, loc);
 }