Conor McCarthy : vkd3d-shader/dxil: Emit an error if a ATOMICRMW instruction uses a forward-referenced pointer.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: b67a68b486fc47cff3fb11a634fbb67da1ffab0b
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/b67a68b486fc47cff3fb11a634fbb6...

Author: Conor McCarthy 
Date:   Sat Apr 27 00:12:54 2024 +1000

vkd3d-shader/dxil: Emit an error if a ATOMICRMW instruction uses a forward-referenced pointer.

---

libs/vkd3d-shader/dxil.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libs/vkd3d-shader/dxil.c b/libs/vkd3d-shader/dxil.c
index 99227d80..5bb05058 100644
--- a/libs/vkd3d-shader/dxil.c
+++ b/libs/vkd3d-shader/dxil.c
@@ -3961,7 +3961,8 @@ static void sm6_parser_emit_atomicrmw(struct sm6_parser *sm6, const struct dxil_
     uint64_t code;

if (!(ptr = sm6_parser_get_value_by_ref(sm6, record, NULL, &i))
-            || !sm6_value_validate_is_pointer_to_i32(ptr, sm6))
+            || !sm6_value_validate_is_pointer_to_i32(ptr, sm6)
+            || !sm6_value_validate_is_backward_ref(ptr, sm6))
         return;

if (ptr->u.reg.type != VKD3DSPR_GROUPSHAREDMEM)