[openMSX-commits] SF.net SVN: openmsx:[11365] openmsx/trunk/src/video/SDLVisibleSurface.cc

[<mth...@us...>]

Revision: 11365
          http://openmsx.svn.sourceforge.net/openmsx/?rev=11365&view=rev
Author:   mthuurne
Date:     2010-03-25 01:35:11 +0000 (Thu, 25 Mar 2010)

Log Message:
-----------
Use software surface for Dingux. We use a software surface in the default case too, but maybe that will change in the future. Also, the added comment documents why we have to use a software surface.

Modified Paths:
--------------
    openmsx/trunk/src/video/SDLVisibleSurface.cc

Modified: openmsx/trunk/src/video/SDLVisibleSurface.cc
===================================================================
--- openmsx/trunk/src/video/SDLVisibleSurface.cc	2010-03-24 00:42:33 UTC (rev 11364)
+++ openmsx/trunk/src/video/SDLVisibleSurface.cc	2010-03-25 01:35:11 UTC (rev 11365)
@@ -31,6 +31,14 @@
 	// the work surface to the display surface (the HW blitter on GP2X is
 	// fast enough).
 	int flags = SDL_HWSURFACE; // | SDL_DOUBLEBUF;
+#elif PLATFORM_DINGUX
+	// Double buffering hangs openMSX (tested 2009-07-22).
+	// The Dingoo seems to have a hardware problem that makes it hard or
+	// impossible to know when vsync happens:
+	//   http://www.dingux.com/2009/07/on-screen-tearing.html
+	// Hardware buffer without double buffering works but then there is very
+	// annoying flickering of the OSD elements.
+	int flags = SDL_SWSURFACE;
 #else
 	int flags = SDL_SWSURFACE; // Why did we use a SW surface again?
 #endif


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