From a91fb0523a93696681bc32409be0e86d10078096 Mon Sep 17 00:00:00 2001
From: Giovanni Mascellani <gmascellani@codeweavers.com>
Date: Mon, 12 May 2025 15:20:16 +0200
Subject: [PATCH] vkd3d-shader/dxil: Validate that integer extension casts
 increase bit width.

---
 libs/vkd3d-shader/dxil.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/vkd3d-shader/dxil.c b/libs/vkd3d-shader/dxil.c
index ca150831d..eda03ab71 100644
--- a/libs/vkd3d-shader/dxil.c
+++ b/libs/vkd3d-shader/dxil.c
@@ -6857,6 +6857,10 @@ static enum vkd3d_shader_opcode sm6_map_cast_op(uint64_t code, const struct sm6_
                 VKD3D_ASSERT(from->u.width == 1 || to->u.width == 64);
                 is_valid = from_int && to_int;
             }
+            else
+            {
+                is_valid = false;
+            }
             break;
         case CAST_FPTOUI:
             op = VKD3DSIH_FTOU;