From 57b58df80644f142067a489640edc40f006329a7 Mon Sep 17 00:00:00 2001
From: Armin Novak <armin.novak@thincast.com>
Date: Wed, 13 Jan 2021 16:09:07 +0100
Subject: [PATCH] Fix color fidelity issues with windows 7

---
 libfreerdp/core/settings.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libfreerdp/core/settings.c b/libfreerdp/core/settings.c
index 1bcba6ec1..f05cb1e38 100644
--- a/libfreerdp/core/settings.c
+++ b/libfreerdp/core/settings.c
@@ -415,7 +415,9 @@ rdpSettings* freerdp_settings_new(DWORD flags)
 	settings->DrawGdiPlusEnabled = FALSE;
 	settings->DrawAllowSkipAlpha = TRUE;
 	settings->DrawAllowColorSubsampling = TRUE;
-	settings->DrawAllowDynamicColorFidelity = TRUE;
+	/* [MS-RDPEGDI] 3.1.9.1.2 Color Space Conversion states that MS servers
+	 * send invalid YCoCg data if this flag is set, deactivate. */
+	settings->DrawAllowDynamicColorFidelity = FALSE;
 	settings->FrameMarkerCommandEnabled = TRUE;
 	settings->SurfaceFrameMarkerEnabled = TRUE;
 	settings->AllowCacheWaitingList = TRUE;