[GEM-dev] [Fwd: Re: [PD] gem, shader and framebuffer]

cyrille henry cyrille.henry at la-kitchen.fr
Sun Dec 9 02:20:29 CET 2007



Hans-Christoph Steiner a écrit :
> 
> I couldnt' get the previous example to work beyond drawing a slowing 
> moving square on my screen (i.e. no sphere).  This one seems to work, I 
> get some crazy multi-color strobing in a kind of box like shape. 
yep, the pach is not interesting, exept the fact that the blinking does prove that it work.
> I'm 
> glad that you guys are working this stuff.  If anyone wants to make some 
> examples and/or a help patch for gemframebuffer, I'll happily check them 
> into CVS.
the gem/help/07.texture/10.framebuffer.pd can be copy as a helpfile for framebuffer.

cyrille

> 
> .hc
> 
> On Dec 8, 2007, at 7:02 PM, cyrille henry wrote:
> 
>> in fact, i made a mistake in my pevious patch.
>>
>> it's working.
>>
>> here is the corrected patch
>>
>> cyrille
>>
>> cyrille henry a écrit :
>>> ok, i'm moving this thread to gem-dev...
>>> i finally manage to make some larsen using framebuffer.
>>> in fact, i pointed out the bug that prevent using this.
>>> i can't really explain better than with the attached patch.
>>> could someone please have a look?
>>> thanks
>>> Cyrille
>>> -------- Message original --------
>>> Sujet: Re: [PD] gem, shader and framebuffer
>>> Date: Sat, 08 Dec 2007 20:37:38 +0100
>>> De: cyrille henry <cyrille.henry at la-kitchen.fr>
>>> Pour: marius schebella <marius.schebella at gmail.com>
>>> Copie: PDlist <pd-list at iem.at>
>>> Références: <475AAF49.5000301 at la-kitchen.fr>    
>>> <475AD93A.1060200 at gmail.com>    <475AEA77.9050208 at la-kitchen.fr>    
>>> <475AEED4.6050803 at gmail.com>
>>> marius schebella a écrit :
>>>> cyrille henry wrote:
>>>>> yes. i faild to render in a framebuffer and using it as a texture 
>>>>> for next rendered frame (just like in my wawe exemple).
>>>>> i think this should be more efficient than using pix_snap2tex.
>>>>>
>>>>> if someone know how to do this...
>>>>
>>>> maybe with pix_write_buffer, pix_read_buffer?
>>> i want to use shader, so i don't think it will work.
>>>> don't have time to do more testing right now. what is the wawe exemple?
>>> it's a phisical modeling wave exemple
>>> here it is.
>>> cyrille
>>>> marius.
>>>>
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