From 00ea6f58dadc1dc199ab52ae06594e9a4e39ef3d Mon Sep 17 00:00:00 2001
From: Yuhang Zhao <2546789017@qq.com>
Date: Thu, 25 Nov 2021 13:20:14 +0800
Subject: d3d11rhi: remove leftover of pre-win10 code

Amends commit 1e085b9e15abeb45bbbf7995818fcd9c94bfefe1

Task-number: QTBUG-84432
Pick-to: 6.2
Change-Id: Id48fb6c2a9c7d24f1525975c6c154dbc323bbc25
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
---
 src/gui/rhi/qrhid3d11.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'src/gui/rhi/qrhid3d11.cpp')

diff --git a/src/gui/rhi/qrhid3d11.cpp b/src/gui/rhi/qrhid3d11.cpp
index d2b217b6d4..f6076bc800 100644
--- a/src/gui/rhi/qrhid3d11.cpp
+++ b/src/gui/rhi/qrhid3d11.cpp
@@ -41,7 +41,6 @@
 #include "qshader_p.h"
 #include "cs_tdr_p.h"
 #include <QWindow>
-#include <QOperatingSystemVersion>
 #include <qmath.h>
 #include <private/qsystemlibrary_p.h>
 
@@ -201,8 +200,7 @@ bool QRhiD3D11::create(QRhi::Flags flags)
     dxgiFactory = createDXGIFactory2();
     if (dxgiFactory != nullptr) {
         hasDxgi2 = true;
-        supportsFlipDiscardSwapchain = QOperatingSystemVersion::current() >= QOperatingSystemVersion::Windows10
-                && !qEnvironmentVariableIntValue("QT_D3D_NO_FLIP");
+        supportsFlipDiscardSwapchain = !qEnvironmentVariableIntValue("QT_D3D_NO_FLIP");
     } else {
         dxgiFactory = createDXGIFactory1();
         hasDxgi2 = false;
-- 
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