Conor McCarthy : vkd3d-shader/spirv: Handle uint2 to double bitcast in spirv_compiler_emit_mov().

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 1c61776c189fb2b8f5cd2f4547a61976b7288306
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/1c61776c189fb2b8f5cd2f4547a619...

Author: Conor McCarthy 
Date:   Wed Apr  3 13:40:55 2024 +1000

vkd3d-shader/spirv: Handle uint2 to double bitcast in spirv_compiler_emit_mov().

Necessary for MakeDouble if the dst is SSA.

---

libs/vkd3d-shader/spirv.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c
index b70bc30e..78c95bde 100644
--- a/libs/vkd3d-shader/spirv.c
+++ b/libs/vkd3d-shader/spirv.c
@@ -7283,8 +7283,12 @@ static void spirv_compiler_emit_mov(struct spirv_compiler *compiler,
     }

general_implementation:
-    write_mask = (src->reg.type == VKD3DSPR_IMMCONST64 && !data_type_is_64_bit(dst->reg.data_type))
-            ? vsir_write_mask_64_from_32(dst->write_mask) : dst->write_mask;
+    write_mask = dst->write_mask;
+    if (src->reg.type == VKD3DSPR_IMMCONST64 && !data_type_is_64_bit(dst->reg.data_type))
+        write_mask = vsir_write_mask_64_from_32(write_mask);
+    else if (!data_type_is_64_bit(src->reg.data_type) && data_type_is_64_bit(dst->reg.data_type))
+        write_mask = vsir_write_mask_32_from_64(write_mask);
+
     val_id = spirv_compiler_emit_load_src(compiler, src, write_mask);
     if (dst->reg.data_type != src->reg.data_type)
     {