From c759fb45aa362efa175eb4304869328444d6e830 Mon Sep 17 00:00:00 2001
From: Robin Kertels <robin.kertels@gmail.com>
Date: Sat, 17 Sep 2022 17:30:27 +0200
Subject: [PATCH] [util] Disable DF support for pretty mirrors in GTA IV

---
 src/util/config/config.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/util/config/config.cpp b/src/util/config/config.cpp
index e0a55a608..85a4d87b9 100644
--- a/src/util/config/config.cpp
+++ b/src/util/config/config.cpp
@@ -410,10 +410,14 @@ namespace dxvk {
     }} },
     /* GTA IV (NVAPI)                             */
     /* Also thinks we're always on Intel          *
-     * and will report/use bad amounts of VRAM.   */
+     * and will report/use bad amounts of VRAM.
+     * Disabling support for DF texture formats
+     * makes the game use a better looking render
+     * path for mirrors                           */
     { R"(\\GTAIV\.exe$)", {{
       { "d3d9.customVendorId",              "1002" },
       { "dxgi.emulateUMA",                  "True" },
+      { "d3d9.supportDFFormats",            "False" },
     }} },
     /* Battlefield 2 (bad z-pass)                 */
     { R"(\\BF2\.exe$)", {{