[Vm-dev] Android VM threaded

Eliot Miranda eliot.miranda at gmail.com
Wed Jul 5 17:01:30 UTC 2017


Michael,

On Mon, Jul 3, 2017 at 8:21 PM, Michael Rueger <lists at andience.co.nz> wrote:

>
> Hi all,
>
> so continuing on with the below mentioned hack I got a version running
> that correctly displays colors (although not the image desktop image) and
> accepts mouse/touch input.
>
> If you hit the back button the next touch will be interpreted as right
> button click.
>
> There is still something wrong with the display endianess, have to swap
> the bytes for display.
>
> Display updates are done directly from the VM async via SurfaceView,
> avoids some of the bit copying.
>
> Events are also directly sent from Android and added to the queue, but
> still polled from the queue within the VM.
>
> Not handling rotation or backgrounding yet, needs a bit more work.
>
> Please feel free to take a look at the code in
> https://github.com/mrueger42/st-android (development branch), project
> CogDroid.
>

Congratulations and thank you!  Are you planning to fold the vm changes
back into opensmalltalk/vm?



>
> Cheers
>
> Michael
>
>
> On 26/06/17 7:51 PM, Michael Rueger wrote:
>
>>
>>
>> after a bit more digging it seems that the getRedzoneSize (sqUnixMain.c)
>> magic doesn't work as expected in Android if it is called on a non-UI
>> thread.
>> The behavior isn't consistent, it simply crashes or gives back impossibly
>> large (negative) numbers.
>>
>> Just for proof of concept I hard coded a value that I got from executing
>> getRedzoneSize on the main thread and the VM now runs (I see regular calls
>> to invalidate display in the log).
>>
>
>


-- 
_,,,^..^,,,_
best, Eliot
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