From 930f99f151d0c9a3a2c71d9e6898538e42b67d0a Mon Sep 17 00:00:00 2001
From: Vincent Wei <vincent@minigui.org>
Date: Mon, 3 Feb 2020 16:24:05 +0800
Subject: [PATCH] check dirty_info instead of shared_header for update rects

---
 src/newgdi/gdi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/newgdi/gdi.c b/src/newgdi/gdi.c
index 03fd0392..ce45c01f 100644
--- a/src/newgdi/gdi.c
+++ b/src/newgdi/gdi.c
@@ -691,7 +691,7 @@ void __mg_leave_drawing(PDC pdc)
     if (!dc_IsMemDC (pdc))
         kernel_ShowCursorForGDI (TRUE, pdc);
 #ifdef _MGSCHEMA_COMPOSITING
-    else if (pdc->surface->shared_header) {
+    else if (pdc->surface->dirty_info) {
         GAL_UpdateRect (pdc->surface,
                 pdc->rc_output.left, pdc->rc_output.top,
                 RECTW(pdc->rc_output), RECTH(pdc->rc_output));
@@ -3068,7 +3068,7 @@ void GUIAPI UnlockDC (HDC hdc)
         kernel_ShowCursorForGDI (TRUE, pdc);
     }
 #ifdef _MGSCHEMA_COMPOSITING
-    else if (pdc->surface->shared_header) {
+    else if (pdc->surface->dirty_info) {
         GAL_UpdateRect (pdc->surface,
                 pdc->rc_output.left, pdc->rc_output.top,
                 RECTW(pdc->rc_output), RECTH(pdc->rc_output));