I'm trying to learn how to make two apps that use DirectFB display on
screen at the same time, so I was experimenting with the sample code for
multiAppTestTool, But if I start it with a layer that's not 'C' it
fails. Here's the output:
# multiAppTestTool -r=2 -l=B
Starting. PID:3772
~~~~~~~~~~~~~~~~~~~~~~~~~| DirectFB 1.4.3++
|~~~~~~~~~~~~~~~~~~~~~~~~~
(c) 2007-2010 Intel Corporation
(c) 2001-2009 The world wide DirectFB Open Source Community
(c) 2000-2004 Convergence (integrated media) GmbH
----------------------------------------------------------------
(*) DirectFB/Core: Multi Application Core. (2010-09-21 21:49)
(*) Fusion/SHM: Using MADV_REMOVE (2.6.28.0 >= 2.6.19.2)
(*) Direct/Thread: Started 'Fusion Dispatch' (3773) [MESSAGING
OTHER/OTHER 0/0] <8388608>...
(*) IntelCE/Systems: Available GDL driver video memory: 51MB of 70MB
(*) IntelCE/Systems: Default video memory caching policy: Uncached
(*) IntelCE/Systems: Slave Process
(*) DirectFB/Genefx: MMX detected and enabled
(*) IntelCE/GfxDriver: Using OpenGL ES 1.1 graphics library
(*) IntelCE/GfxDriver: Using SRB graphics library
(*) IntelCE/GfxDriver: Default graphics library: SRB
(*) DirectFB/Graphics: Intel Corporation Intel_CE Graphics Driver 2.0
(Intel Corporation)
(*) Direct/Interface: Loaded 'FT2' implementation of 'IDirectFBFont'.
(!) DirectFB/core/layers: Could not set primary region config!
--> Not supported!
multiAppTestTool.c <376>:
(#) DirectFBError [dfb->GetDisplayLayer(dfb, gDisplayLayerId,
&pLayer)]: Not supported!
(!!!) *** WARNING [Application exited without deinitialization of
DirectFB!] *** [core.c:874 in dfb_core_deinit_check()]
(!) Direct/Thread: Canceling 'Fusion Dispatch' (3773)!
dfbinfo shows that B is a layer, so I'm not sure what's wrong.
Layer (00) DLID_UPP_C (primary layer)
Type: GRAPHICS VIDEO STILL_PICTURE
Caps: SURFACE OPACITY ALPHACHANNEL SRC_COLORKEY PREMULTIPLIED
SCREEN_POSITION
Layer (01) DLID_UPP_B
Type: GRAPHICS VIDEO STILL_PICTURE
Caps: SURFACE OPACITY ALPHACHANNEL SRC_COLORKEY PREMULTIPLIED
SCREEN_POSITION
Maybe I'm going about this whole process the wrong way? What is the
recommended way to have two applications be able to share the screen?
Thanks,
Ken Rogers
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