From f5515075f243e51f737a4e37f0141239f35413e7 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Tue, 1 Oct 2019 21:55:57 +0200
Subject: [PATCH] [dxgi] Fix GetDisplayModeList behaviour with a zero mode
 count

Allocate at least one array element so that we don't accidentally
treat the mode list like it was NULL. Fixes a wine test failure.
---
 src/dxgi/dxgi_output.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dxgi/dxgi_output.cpp b/src/dxgi/dxgi_output.cpp
index 4607db195..65a6a840f 100644
--- a/src/dxgi/dxgi_output.cpp
+++ b/src/dxgi/dxgi_output.cpp
@@ -219,7 +219,7 @@ namespace dxvk {
     std::vector<DXGI_MODE_DESC1> modes;
 
     if (pDesc)
-      modes.resize(*pNumModes);
+      modes.resize(std::max(1u, *pNumModes));
     
     HRESULT hr = GetDisplayModeList1(
       EnumFormat, Flags, pNumModes,