cpp/openttd-patchpack/source Changeset - r21263:87b7f54217b8

Changeset - r21263:87b7f54217b8

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frosch - 10 years ago 2014-02-16 21:57:22
frosch@openttd.org

(svn r26351) -Fix: Protect all VideoDriver_SDL methods with the _draw_mutex.

1 file changed with 13 insertions and 6 deletions:

src/video/sdl_v.cpp

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src/video/sdl_v.cpp

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@@ @@ -817,27 +817,34 @@ void VideoDriver_SDL::MainLoop() @@
 bool VideoDriver_SDL::ChangeResolution(int w, int h)
+{
 	if (_draw_mutex != NULL) _draw_mutex->BeginCritical();
+	if (_draw_mutex != NULL) _draw_mutex->BeginCritical(true);
 	bool ret = CreateMainSurface(w, h);
 	if (_draw_mutex != NULL) _draw_mutex->EndCritical();
+	if (_draw_mutex != NULL) _draw_mutex->EndCritical(true);
 	return ret;
+}
 bool VideoDriver_SDL::ToggleFullscreen(bool fullscreen)
+{
 	if (_draw_mutex != NULL) _draw_mutex->BeginCritical(true);
 	_fullscreen = fullscreen;
 	GetVideoModes(); // get the list of available video modes
 	if (_num_resolutions == 0 || !CreateMainSurface(_cur_resolution.width, _cur_resolution.height)) {
 	bool ret = _num_resolutions != 0 && CreateMainSurface(_cur_resolution.width, _cur_resolution.height);
 	if (!ret) {
 		/* switching resolution failed, put back full_screen to original status */
 		_fullscreen ^= true;
 		return false;
+	}
 	return true;
 	if (_draw_mutex != NULL) _draw_mutex->EndCritical(true);
 	return ret;
+}
 bool VideoDriver_SDL::AfterBlitterChange()
+{
 	return CreateMainSurface(_screen.width, _screen.height);
 	if (_draw_mutex != NULL) _draw_mutex->BeginCritical(true);
 	bool ret = CreateMainSurface(_screen.width, _screen.height);
 	if (_draw_mutex != NULL) _draw_mutex->EndCritical(true);
 	return ret;
+}
 #endif /* WITH_SDL */

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