Hi Eliot,
already fixed by
https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/3fa41faef52a157954d706aa5305e756f0f23228

Le dim. 26 avr. 2020 à 22:44, Eliot Miranda <eliot.miranda at gmail.com> a
écrit :

> Hi Tim,
>
> On Sun, Mar 22, 2020 at 2:50 PM Eliot Miranda <eliot.miranda at gmail.com>
> wrote:
>
>> Hi Bruce,
>>
>> On Mar 22, 2020, at 8:31 AM, Bruce O'Neel <bruce.oneel at pckswarms.ch>
>> wrote:
>>
>> Hi,
>>
>> Good news, playing with
>>
>> --enable-fast-bitblt
>>
>>
>> and
>>
>> --disable-fast-bitblt
>>
>>
>> does work in that it builds a working VM.
>>
>> Good news/bad news, it does not change the font problem.  So that's not
>> the problem.
>>
>>
>> Great news.  We now know it is an X11 problem and can stop worrying about
>> the fast BitBLT code.  Thanks.
>>
>
> Looks like the problem, or at least a version of the problem, is nothing
> to do with X11.  If I open an About Squeak System Reporter in the simulator
> (64-bits x64) I see the fixed pitch font corruption we saw on X11 on ARM.
> So it looks tile the issue is actually in BitBlt itself.
>
> [image: SysRepFixedPitch.png]
>
>>
>>
>> cheers
>>
>> bruce
>>
>> *21 March 2020 01:07 tim Rowledge <tim at rowledge.org <tim at rowledge.org>>
>> wrote:*
>>
>>
>>
>> > On 2020-03-20, at 6:16 AM, Bruce O'Neel wrote:
>> >
>> >
>> > I specialize in ridiculous. Good news, I guess, is that I dug up a
>> monitor, and, walked it downstairs with a keyboard and mouse and attached
>> it. The effect with the BitstreamVeraSans and ComicSans fonts are the same.
>> Maybe it likes serfed fonts?
>>
>> I'm completely baffled by this. I don't get this effect with any ARM vm
>> that I have that actually runs, with any image I have.
>>
>> >
>> > So that means that it is not some funky X11 over the wire problem with
>> the Mac and Windows X11 servers problem. That's good.
>>
>> Guess so, though it just makes life weirder.
>>
>> >
>> > I have no idea then why. Are these fonts part of the image? Is it some
>> funky binary format that for some reason Coq is mis-reading?
>>
>> Yes, the font glyphs are in-image. We've been using these ones for
>> goodness knows how many years.
>>
>> >
>> > I built a stack VM and I get the same result with a Squeak 5.3 image.
>>
>> There*shouldn't* be any difference between the stack & cog vms.
>>
>> You could try building a VM with the fastbitblt turned off I suppose -
>> a quick hack is to find the BITBLT_FLAGS= -DENABLE_FAST_BLT and related
>> lines in the Makefile in you squeak.cog.spur/build directory. I haven't
>> actually built an ARM vm without that in years so I don't know it it even
>> still works.
>>
>>
>> tim
>> --
>> tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim
>> It is easier to change the specification to fit the program than vice
>> versa.
>>
>>
>>
>>
>>
>>
>>
>
> --
> _,,,^..^,,,_
> best, Eliot
>
>
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