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Hi all.
Just installed the beta test, curious about performance on my amd64...
When rendering the example scene 'ionic5.pov', I have display problems
in about 1 in 10 runs. I made a screenshot, as the disk image was correct
(i.e. only the screen image is wrong!).
http://jcoppens.com/misc/img/Screenshot-1.png
Hope this is of help.
John
PS: this may have something to do with scaling? The rendered image is
size 1024x768, while the povray-window is smaller. Still, there is something
wrong if it doesn't work all the time.
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Thanks for the report (but please, don't forget to mention WHICH beta
you are using, i.e. here one of the *Linux* beta).
> I have display problems
> in about 1 in 10 runs.
Indeed we also faced this display problem in the early development of
the Linux beta. For some reason we didn't see it appear later on, but if you
face it once in a while, that might be the reason.
> PS: this may have something to do with scaling? The rendered image is
> size 1024x768, while the povray-window is smaller. Still, there is something
> wrong if it doesn't work all the time.
I also think it might not be due to scaling, otherwise I'd expect this
problem to show up more constantly. Instead, I suppose the problem has to do
with the SDL library that we currently are using to manage the display. We'll
see what can be done. (At some point in the future we will implement a plain
X11 display as was available in the former POV-Ray 3.x series.)
- NC
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> http://jcoppens.com/misc/img/Screenshot-1.png
Note that I don't completely rule out a scaling problem (maybe together with
an SDL problem) given the very specific patterns of those artefacts.
- NC
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Nicolas Calimet <pov### [at] free fr> wrote:
> > http://jcoppens.com/misc/img/Screenshot-1.png
>
> Note that I don't completely rule out a scaling problem (maybe together with
> an SDL problem) given the very specific patterns of those artefacts.
>
> - NC
Just a hint more: My screen is 1024x768 and the problem seems to appear
when I pass +W920 +H690. Just the previous 4:3 size (+W916 +H687) doesn't
seem
to fail at all. Other aspect ratios (other than 4:3) don't seem to fail
either.
And a wild guess: 920 seems to be 90% of the 1024 screen width. Is this how
the size of the largest window is calculated (90% of the screen size)? Maybe
calculated wrongly for H and W?
Thanks for all the work...
John
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