From b1fe837b8ea3b42ab062ed1856d7bed53d5a2473 Mon Sep 17 00:00:00 2001
From: frosch <frosch@openttd.org>
Date: Sat, 11 Mar 2017 13:05:54 +0000
Subject: (svn r27775) -Fix [FS#6510]: Insufficient thread synchronisation when
 switching blitters. (JGR)

---
 src/video/win32_v.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'src/video/win32_v.cpp')

diff --git a/src/video/win32_v.cpp b/src/video/win32_v.cpp
index c37ebd7dd..e536ae8e5 100644
--- a/src/video/win32_v.cpp
+++ b/src/video/win32_v.cpp
@@ -1333,11 +1333,18 @@ bool VideoDriver_Win32::ToggleFullscreen(bool full_screen)
 }
 
 bool VideoDriver_Win32::AfterBlitterChange()
+{
+	return AllocateDibSection(_screen.width, _screen.height, true) && this->MakeWindow(_fullscreen);
+}
+
+void VideoDriver_Win32::AcquireBlitterLock()
 {
 	if (_draw_mutex != NULL) _draw_mutex->BeginCritical(true);
-	bool ret = AllocateDibSection(_screen.width, _screen.height, true) && this->MakeWindow(_fullscreen);
+}
+
+void VideoDriver_Win32::ReleaseBlitterLock()
+{
 	if (_draw_mutex != NULL) _draw_mutex->EndCritical(true);
-	return ret;
 }
 
 void VideoDriver_Win32::EditBoxLostFocus()
-- 
cgit v1.2.3-54-g00ecf