Squeak windows redraw in Linux...

> On Mar 7, 2007, at 10:57 , Elod Kironsky wrote:
>
>> I guess this topic was already discussed, but I have a very bad
>> redraw rate of windows in morphic. I
>> use Fedora Core 6 with 3.9-8 VM and have direct rendering enabled (I
>> don't know if it relevant). Now
>> when I run Squeak, the windows are redrawn very slowly. If you ever
>> tried to use Windows without
>> the proper graphic drivers (e.g. Windows built-in VESA compliant
>> driver) with a higher resolution, you
>> know what I am talking about. Can this anyhow be fixed?
>
> Do you mean it's slower than Windows rendering, or generally slow?

> Bert Freudenberg wrote:
>> On Mar 7, 2007, at 10:57 , Elod Kironsky wrote:
>>
>>> I guess this topic was already discussed, but I have a very bad  
>>> redraw rate of windows in morphic. I
>>> use Fedora Core 6 with 3.9-8 VM and have direct rendering enabled  
>>> (I don't know if it relevant). Now
>>> when I run Squeak, the windows are redrawn very slowly. If you  
>>> ever tried to use Windows without
>>> the proper graphic drivers (e.g. Windows built-in VESA compliant  
>>> driver) with a higher resolution, you
>>> know what I am talking about. Can this anyhow be fixed?
>>
>> Do you mean it's slower than Windows rendering, or generally slow?
> Generally slow. Windows rendering is OK for me. I just wanted to  
> make a general example with Windows. Not
> related to Squeak.

>
> On Mar 7, 2007, at 11:35 , Elod Kironsky wrote:
>
>> Bert Freudenberg wrote:
>>> On Mar 7, 2007, at 10:57 , Elod Kironsky wrote:
>>>
>>>> I guess this topic was already discussed, but I have a very bad
>>>> redraw rate of windows in morphic. I
>>>> use Fedora Core 6 with 3.9-8 VM and have direct rendering enabled
>>>> (I don't know if it relevant). Now
>>>> when I run Squeak, the windows are redrawn very slowly. If you ever
>>>> tried to use Windows without
>>>> the proper graphic drivers (e.g. Windows built-in VESA compliant
>>>> driver) with a higher resolution, you
>>>> know what I am talking about. Can this anyhow be fixed?
>>>
>>> Do you mean it's slower than Windows rendering, or generally slow?
>> Generally slow. Windows rendering is OK for me. I just wanted to make
>> a general example with Windows. Not
>> related to Squeak.
>
> Well, then it may not be Linux related at all. Squeak drawing
> performance has slowed down a lot over the last view years. The low
> point was 3.8. You might try a 3.9 image to see if it feels faster.

> Bert Freudenberg wrote:
> >
> > On Mar 7, 2007, at 11:35 , Elod Kironsky wrote:
> >
> >> Bert Freudenberg wrote:
> >>> On Mar 7, 2007, at 10:57 , Elod Kironsky wrote:
> >>>
> >>>> I guess this topic was already discussed, but I have a very bad
> >>>> redraw rate of windows in morphic. I
> >>>> use Fedora Core 6 with 3.9-8 VM and have direct rendering enabled
> >>>> (I don't know if it relevant). Now
> >>>> when I run Squeak, the windows are redrawn very slowly. If you ever
> >>>> tried to use Windows without
> >>>> the proper graphic drivers (e.g. Windows built-in VESA compliant
> >>>> driver) with a higher resolution, you
> >>>> know what I am talking about. Can this anyhow be fixed?
> >>>
> >>> Do you mean it's slower than Windows rendering, or generally slow?
> >> Generally slow. Windows rendering is OK for me. I just wanted to make
> >> a general example with Windows. Not
> >> related to Squeak.
> >
> > Well, then it may not be Linux related at all. Squeak drawing
> > performance has slowed down a lot over the last view years. The low
> > point was 3.8. You might try a 3.9 image to see if it feels faster.
> I suspect a little misunderstanding here. I'm using Squeak VM 3.9-8 and
> the final 3.9 image. Under Windows it just works fine, under Linux
> however, the redraw performance of morphic windows is
> very slow. You can imagine how slow it is, if you install Windows
> (without any extra drivers), set a higher resolution and try to move any
> window of any application. You will get the same symptom.

> Elod Kironsky writes:
>  > I suspect a little misunderstanding here. I'm using Squeak VM 3.9-8 and
>  > the final 3.9 image. Under Windows it just works fine, under Linux
>  > however, the redraw performance of morphic windows is
>  > very slow. You can imagine how slow it is, if you install Windows
>  > (without any extra drivers), set a higher resolution and try to move any
>  > window of any application. You will get the same symptom.
>
> Does it slowly repaint the entire Squeak window line by line? I've
> seen this on Ubuntu Edgy but not Dapper or Gentoo. I suspect it's
> caused by some X/Squeak version incompatability issue given I've used
> the same VM and image on both Edgy and Gentoo. Edgy is painfully slow
> while Gentoo runs at the normal speed.
>
> Bryce
>
>  

> On Mar 7, 2007, at 10:57 , Elod Kironsky wrote:
>
>> I guess this topic was already discussed, but I have a very bad
>> redraw rate of windows in morphic. I
>> use Fedora Core 6 with 3.9-8 VM and have direct rendering enabled (I
>> don't know if it relevant). Now
>> when I run Squeak, the windows are redrawn very slowly. If you ever
>> tried to use Windows without
>> the proper graphic drivers (e.g. Windows built-in VESA compliant
>> driver) with a higher resolution, you
>> know what I am talking about. Can this anyhow be fixed?
>
> Do you mean it's slower than Windows rendering, or generally slow?
>
> Make sure the squeak bit depth matches the X11 bit depth. And use xshm.
>
> - Bert -
>
>
>
>

> Bert Freudenberg wrote:
>> On Mar 7, 2007, at 10:57 , Elod Kironsky wrote:
>>
>>> I guess this topic was already discussed, but I have a very bad  
>>> redraw rate of windows in morphic. I
>>> use Fedora Core 6 with 3.9-8 VM and have direct rendering enabled  
>>> (I don't know if it relevant). Now
>>> when I run Squeak, the windows are redrawn very slowly. If you  
>>> ever tried to use Windows without
>>> the proper graphic drivers (e.g. Windows built-in VESA compliant  
>>> driver) with a higher resolution, you
>>> know what I am talking about. Can this anyhow be fixed?
>>
>> Do you mean it's slower than Windows rendering, or generally slow?
>>
>> Make sure the squeak bit depth matches the X11 bit depth. And use  
>> xshm.
>>
>> - Bert -
>>
>>
>>
>>
> If I try to run squeak -xshm <image>, I get a message that -xshm is  
> an unknown option. It is listed though among
> available option when I run squeak -?.

>
> On Mar 7, 2007, at 22:55 , Elod Kironsky wrote:
>
>> Bert Freudenberg wrote:
>>> On Mar 7, 2007, at 10:57 , Elod Kironsky wrote:
>>>
>>>> I guess this topic was already discussed, but I have a very bad
>>>> redraw rate of windows in morphic. I
>>>> use Fedora Core 6 with 3.9-8 VM and have direct rendering enabled
>>>> (I don't know if it relevant). Now
>>>> when I run Squeak, the windows are redrawn very slowly. If you ever
>>>> tried to use Windows without
>>>> the proper graphic drivers (e.g. Windows built-in VESA compliant
>>>> driver) with a higher resolution, you
>>>> know what I am talking about. Can this anyhow be fixed?
>>>
>>> Do you mean it's slower than Windows rendering, or generally slow?
>>>
>>> Make sure the squeak bit depth matches the X11 bit depth. And use xshm.
>>>
>>> - Bert -
>>>
>>>
>>>
>>>
>> If I try to run squeak -xshm <image>, I get a message that -xshm is
>> an unknown option. It is listed though among
>> available option when I run squeak -?.
>
> You should read the explanation more carefully ;-)
>
> "-xshm" is an option provided by the X11 display module, it does not
> make sense for the VM itself. So you have to precede it by
> -vm-display-X11 .
>
>> How can I set squeak bit depth?
>
> World menu - appearance.
>
> - Bert -
>
>