From 48f63aaae76b9700c4da2bb0bc3637f79d26b807 Mon Sep 17 00:00:00 2001
From: Vincent Wei <vincent@minigui.org>
Date: Wed, 11 Mar 2020 17:16:02 +0800
Subject: [PATCH] disable alpha and colorkey for shadow screen

---
 src/newgal/pcxvfb/pcxvfb.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/newgal/pcxvfb/pcxvfb.c b/src/newgal/pcxvfb/pcxvfb.c
index 9ce03997..e18c8dcd 100644
--- a/src/newgal/pcxvfb/pcxvfb.c
+++ b/src/newgal/pcxvfb/pcxvfb.c
@@ -720,6 +720,10 @@ static GAL_Surface *PCXVFB_SetVideoMode (_THIS, GAL_Surface *current,
             current->pixels = real_pixels + (current->pitch * current->h);
             this->hidden->shadow_screen = current;
 
+            GAL_SetClipRect (this->hidden->real_screen, NULL);
+            GAL_SetColorKey (this->hidden->shadow_screen, 0, 0);
+            GAL_SetAlpha (this->hidden->shadow_screen, 0, 0);
+
 #ifdef _MGSCHEMA_COMPOSITING
             this->info.hw_cursor = 1;
             this->hidden->cursor = NULL;