From: Thomas Faber <thomas.faber@reactos.org>
Date: Sat, 15 Jun 2019 19:25:01 +0000 (+0200)
Subject: [WIN32K:ENG] In PDEVOBJ_vRefreshModeList, find a proper match for the current display... 
X-Git-Tag: 0.4.14-dev~770
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=00e882c2b1ba302d01c2c63a803d78e4fbac7168;hp=28ed2347ef8b382c0062e7001765ba3a9b5b7a3e

[WIN32K:ENG] In PDEVOBJ_vRefreshModeList, find a proper match for the current display mode instead of assuming a constant index. CORE-15325
---

diff --git a/win32ss/gdi/eng/pdevobj.c b/win32ss/gdi/eng/pdevobj.c
index 85098a58437..19c2fee06ba 100644
--- a/win32ss/gdi/eng/pdevobj.c
+++ b/win32ss/gdi/eng/pdevobj.c
@@ -266,6 +266,7 @@ PDEVOBJ_vRefreshModeList(
     PGRAPHICS_DEVICE pGraphicsDevice;
     PDEVMODEINFO pdminfo, pdmiNext;
     DEVMODEW dmDefault;
+    DEVMODEW dmCurrent;
 
     /* Lock the PDEV */
     EngAcquireSemaphore(ppdev->hsemDevLock);
@@ -274,6 +275,7 @@ PDEVOBJ_vRefreshModeList(
 
     /* Remember our default mode */
     dmDefault = *pGraphicsDevice->pDevModeList[pGraphicsDevice->iDefaultMode].pdm;
+    dmCurrent = *ppdev->pdmwDev;
 
     /* Clear out the modes */
     for (pdminfo = pGraphicsDevice->pdevmodeInfo;
@@ -293,7 +295,7 @@ PDEVOBJ_vRefreshModeList(
         DPRINT1("FIXME: EngpPopulateDeviceModeList failed, we just destroyed a perfectly good mode list\n");
     }
 
-    ppdev->pdmwDev = pGraphicsDevice->pDevModeList[pGraphicsDevice->iCurrentMode].pdm;
+    ppdev->pdmwDev = PDEVOBJ_pdmMatchDevMode(ppdev, &dmCurrent);
 
     /* Unlock PDEV */
     EngReleaseSemaphore(ppdev->hsemDevLock);