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(svn r25550) -Fix [FS#5571]: [Windows] Race condition between two drawing threads could crash OpenTTD

release/1.4
rubidium 2013-07-01 19:48:52 +00:00
parent 68659495b5
commit d9065fbfbe
1 changed files with 3 additions and 0 deletions
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3
src/video/win32_v.cpp
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@ -176,6 +176,7 @@ static void ClientSizeChanged(int w, int h)
{ {
/* allocate new dib section of the new size */ /* allocate new dib section of the new size */
if (AllocateDibSection(w, h)) { if (AllocateDibSection(w, h)) {
if (_draw_mutex != NULL) _draw_mutex->BeginCritical();
/* mark all palette colours dirty */ /* mark all palette colours dirty */
_cur_palette.first_dirty = 0; _cur_palette.first_dirty = 0;
_cur_palette.count_dirty = 256; _cur_palette.count_dirty = 256;
@ -190,6 +191,8 @@ static void ClientSizeChanged(int w, int h)
_screen.dst_ptr = _wnd.buffer_bits; _screen.dst_ptr = _wnd.buffer_bits;
UpdateWindows(); UpdateWindows();
} }
if (_draw_mutex != NULL) _draw_mutex->EndCritical();
} }
} }