[Vm-dev] [squeak-dev] Squeak3D plugin [was Re: A new Squeak release]

[Eliot Miranda]

Hi All,

On Sun, Mar 4, 2018 at 4:49 PM, Eliot Miranda <eliot.miranda at gmail.com>
wrote:

> Hi Bert, Hi Stef,
>
> moving to vm-dev cuz it makes more sense there...
>
> On Sun, Mar 4, 2018 at 11:37 AM, Bert Freudenberg <bert at freudenbergs.de>
> wrote:
>
>> On 4 March 2018 at 19:16, Eliot Miranda <eliot.miranda at gmail.com> wrote:
>>
>>> Hi Stéphane,
>>>
>>> On Sun, Mar 4, 2018 at 6:17 AM, Stéphane Rollandin <
>>> lecteur at zogotounga.net> wrote:
>>>
>>>> I can't even get that far. How did you get from the link mentioned
>>>>> before to the file you think might be the correct one?
>>>>>
>>>>>
>>>>> On 3/4/18 6:03 AM, Stéphane Rollandin wrote:
>>>>>
>>>>>> Le 04/03/2018 à 11:44, H. Hirzel a écrit :
>>>>>>
>>>>>>> http://squeak.org/downloads/
>>>>>>>
>>>>>>> should lead you to the correct place.
>>>>>>>
>>>>>>> Under the heading 'Virtual machines' there is a link
>>>>>>>
>>>>>>> https://bintray.com/opensmalltalk/vm/cog/_latestVersion#files
>>>>>>>
>>>>>>
>>>>>> Ok, then I assume the current one for a 4.6 image is
>>>>>> cog_win32x86_squeak.cog.v3_201608171728
>>>>>>
>>>>>
>>>> I used the first link...
>>>>
>>>> now from the second I just found squeak.cog.v3_win32x86_201803032041
>>>> which is more recent, but still with the same outcome: 3D primitives are
>>>> missing.>
>>>>
>>>
>>> and if you put "B3DXUsesOpenGL=0" in Squeak.ini what happens then?
>>> AFAICT all the 3D support is included in the VM as it ever was.  I'm sorry,
>>> but I'm not very familiar with the 3D support on Windows.  I do know that
>>> Ronie got the OpenGL example working on Mac OS in 32 and 64 bits late last
>>> year.  And I think we tested all platforms and found it worked.  What that
>>> implies for the B3DAcceleratorPlugin on win32 I don't know.
>>>
>>> >
>>>> > Stef
>>>>
>>>
>>> _,,,^..^,,,_
>>> best, Eliot
>>>
>>
>>
>> ​Is the ​Squeak3D plugin included as well? I think that's the one Stef
>> wants, in addition to B3DAcceleratorPlugin.
>>
>
> For reasons I don't understand the Squeak3D plugin (internal name
> B3DEnginePlugin & subclasses) is built only on build.linux32ARMv6, and as
> an external plugin.  Does anyone know how this came to be?
>
> I will try and build the Squeak3D plugin on Mac OS X in the Squeak VMs,
> and if it seems to work will commit that change.  Can someone please try
> and build on Win32 & Win64 and the other linux platforms?  It's bizarre
> that this has been left out.  Also should it be included in the Pharo VM,
> Esteban?
>

So the 3D support compiles on Mac OS X in the 32-bit regime and I'm
committing the changes to include the Squeak3D plugin in all 32-bit Mac OS
X Squeak VMs.  But the 64-bit compile fails due to ARC (automatic reference
counting) issues.  e.g.

../../platforms/iOS/plugins/B3DAcceleratorPlugin/sqMacOpenGL.m:216:18:
error: ARC forbids explicit message send of 'dealloc'
    [pixelFormat dealloc];
     ~~~~~~~~~~~ ^
../../platforms/iOS/plugins/B3DAcceleratorPlugin/sqMacOpenGL.m:224:34:
error: implicit conversion of Objective-C pointer type 'NSOpenGLContext *'
to C pointer type 'void *' requires a bridged cast
    renderer->theOpenGLContext = theContext;
                                 ^~~~~~~~~~
                                                 CFBridgingRelease(        )
../../platforms/iOS/plugins/B3DAcceleratorPlugin/sqMacOpenGL.m:295:14:
error: 'release' is unavailable: not available in automatic reference
counting mode
    [context release];


Is there anyone with understanding of the ARC regime who has time to update
the OpenGL support for 64-bits so that this at least compiles?


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