Re: Failed to open vchiq device on RPi

I'm going to get by Pi2 back up and running this weekend, so I don't mind
taking a peek at what's going on.  Do you have your project online anywhere
or are you just using a bare-bones sort of project (ie single fullscreen
window taking input.)?

On Mon, Sep 12, 2016 at 11:30 AM, Andreas Falkenhahn <[email protected]
> wrote:

> On 12.09.2016 at 00:46 Eric Wing wrote:
>
> > I mentioned during the SDL 2.0.4 release cycle I was seeing an
> > SDL_assert being thrown in the mouse system sometimes. In further
> > testing, it seems to happen to me when the system is loaded down and
> > cannot complete the event loop in a reasonable amount of time. If you
> > kill your process (i.e. remote login), maybe you'll see that this is
> > the same assertion being thrown prompting you to abort/ignore.
>
> I've compiled with
>
>     #define SDL_ASSERT_LEVEL 0
>
> and I've also killed the process from a remote machine using SSH to
> look at the output but there is none! SDL doesn't show anything. My
> program runs correctly using SDL on the Pi but it can't be used because
> the mouse cursor is frozen and keyboard doesn't work either :( This is
> quite frustrating... any other ideas? Without input support it's obviously
> pretty useless...
>
> > When the SDL implementation was written, Pi only had a GLES driver and
> > the Pi could not support rendering through X11. (Apparently there is
> > some scary hack that Minecraft figured out which makes it kind of
> > work, but still is pretty wonky.)
>
> This of course makes me wonder why the RPI driver isn't selected as the
> default driver when building for the Pi? It took me an hour to figure out
> what was going wrong until I realized that I had to call
>
>     SDL_VideoInit("RPI");
>
> in order to make it work. Why does SDL select the X11 driver as the
> default driver when building for the Pi when it obviously doesn't
> work? This should really be fixed and there should be a word about
> it in the readme. Currently, there is none. There are several
> pages about cross-compiling for the Pi but the essentials are missing
> it seems :(
>
> > If you install and enable this driver, and configure SDL
> > appropriately, maybe you can get this to work. I don't know what's
> > actually involved to make this work. I would like to hear your results
> > and the procedure for making this work.
>
> I better first get the RPI driver working correctly here before
> tackling even more experimental stuff... what else can I try to
> get input working?
>
> --
> Best regards,
>  Andreas Falkenhahn                            mailto:
> [email protected]
>
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