From 501aed43f3233eece618f5dce725a2dc631f1d88 Mon Sep 17 00:00:00 2001
From: Nikolay Sivov <nsivov@codeweavers.com>
Date: Mon, 11 Mar 2024 18:56:50 +0100
Subject: [PATCH] vkd3d-shader/fx: Zero-pad strings when aligning them for
 fx_2_0.

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
---
 libs/vkd3d-shader/fx.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/vkd3d-shader/fx.c b/libs/vkd3d-shader/fx.c
index 1a083ab7..49eea92d 100644
--- a/libs/vkd3d-shader/fx.c
+++ b/libs/vkd3d-shader/fx.c
@@ -611,11 +611,15 @@ static uint32_t write_fx_2_string(const char *string, struct fx_write_context *f
 {
     struct vkd3d_bytecode_buffer *buffer = &fx->unstructured;
     const char *s = string ? string : "";
+    static const char tail[3];
     uint32_t size, offset;
 
     size = strlen(s) + 1;
     offset = put_u32(buffer, size);
     bytecode_put_bytes(buffer, s, size);
+    size %= 4;
+    if (size)
+        bytecode_put_bytes_unaligned(buffer, tail, 4 - size);
     return offset;
 }