Le 19 juin 09 à 16:43, Jack a écrit :
Le 19 juin 09 à 16:23, cyrille henry a écrit :
Jack a écrit :
Le 19 juin 09 à 14:54, cyrille henry a écrit :
Jack a écrit :
Le 19 juin 09 à 11:38, cyrille henry a écrit :
jack@rybn.org a écrit : > Yep, that's why Cyrille says that you can use [pix_snap] or > [pix_snap2tex].
like in exemple 07.texture/07.feedback
> Or you can also use [gemframebuffer].
like in exemple 10.glsl/06.framebuffer and shader, but
removing the shader.> With that, you can capture a certain part of your last frame
> and add it to > your new. But the result could be not very nice.why?
I was sure that a blur appear after a certain period. But i am
wrong. So there is no problem to use this objects to simulate single
buffer in double buffer mode !blur can appear, under cettain condition, with antialiasing /
quality 1 to the texture or small displacement. but you can avoid it if you wish.Yep, there is blur with antialiasing and with [pix_snap] and
[pix_texture] (with quality 0 or 1) or with [pix_snap2tex]. But
it seems to be OK with [gemframebuffer] and [pix_texture] (with
quality 0 or 1). Have you an other method to avoid blur with [pix_snap] and
[pix_snap2tex] with antialiasing ?pix_snap2tex and antialiasing did not gives blur here. at least with the attached patch. but i thik it used to. i would not be surprised if that would depend on the driver/ hardware...
could you try this patch?
Yep, i get blur here. MacOSX.4.11, Pd version 0.41.4-extended-rc2, GEM ver: 0.91.3 'tigital' I will test tomorrow on Ubuntu 9.04. ++
Jack
It's OK with Ubuntu 9.04 and Pd cersion 0.41.4-extended and GEM ver:
0.92.CVS, there is no blur.
However, i have a strange behaviour with Ubuntu/Pd/GEM with
[pix_snap2tex] when i use 1024x768, my circle centers should be on
the same horizontal line but this not the case.
Here two screen captures of the same patch : one under MacOSX, the
other under Ubuntu.
Any idea about this strange behaviour under Ubuntu ?
To finish, there is no problem when i work with 800x600 !
++
Jack
c
++ Jack
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++ Jack
> Try ! > ++ > Jack >> yes, but my problem is : I need to emulate single buffer on
>> double buffer, >> i need to use double buffer because i work with iterations
>> using repeat or >> until objects, and in single buffer with metro this
>> iterators are so so so >> slow, almost "2" fps.wow, it's strange that it is slower in single buffer. do you have a test patch that demonstrate this?
>> >> i want don´t clear the image buffer when is drawed the new
>> buffer, like an >> accumulation...but using double buffer!!....is
>> possible???...in single >> buffer is easy, but with iterators....no way.i don't understand why iterators can't work in single buffer.
cyrille
>> >> >> thanks for your patience. >> >> Message: 6 >> Date: Mon, 15 Jun 2009 18:34:18 +0200 >> From: cyrille henry cyrille.henry@la-kitchen.fr >> Subject: Re: [PD] gem and double buffer >> To: Andres Ferrari anfex@yahoo.com >> Cc: pd-list@iem.at >> Message-ID: 4A36780A.1000905@la-kitchen.fr >> Content-Type: text/plain; charset=ISO-8859-1; format=flowed >> >> >> >> Andres Ferrari a ?crit : >>> hello, >>> >>> is possible in gem to change between single buffer and
>>> double buffer >>> without destroy gemwindow?? >> no >> >>> or dont`t clear buffer(background image) in double buffer??? >> not really, but you can sna2tex and draw the last image on
>> every frame. >> >> you can also easily emulate 2 buffer while in single buffer,
>> using metro >> to bang gemhead and clean windows / clear Z buffer. >> >> Cyrille >> >>> thanks a lot!!! >>> >>> Andr?s Ferrari G. >>> >>> http://www.myspace.com/anfex >> >> >>
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