[GEM-dev] framebuffer and pix_data

[Jack]

I try my last patch i sent and (i don't know why) it doesn't work,  
sorry.

But the first works fine (with [pix_buffer]).
With this patch, I put the message [dimen 128 128, format RGB32 
( under [loadbang] and nothing worked.
But if i only put [dimen 128 128( under loadbang then press [0.5( and  
the bang, [pix_data] output 255 0 255.
Then i send the message [format RGB32( (after the creation of gemwin)  
to [gemframebuffer] then bang, and [pix_data] also output 255 0 255.
But before creation of gemwin, nothing happen.
Here the two patchs.
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Le 1 juin 08 ? 17:13, cyrille henry a ?crit :

> hello,
>
> thanks for your answer,
> this patch did not work here : pix_data did not output any value.
>
> could you try this one and tell me what does output pix_info?
>
>
> anyway, i had an other try with pix_snap, and today it is working!
Cool !

> (i don't really understand why it was not working yesterday).
>
> value are still in 8 bits as it's hardcoded in pix_snap.
> so, i'll try to see if i could make pix_snap to work also with 16  
> or 32 bits buffer.
Have you try with [pix_buffer] ? I don't know if it works with 8, 16  
or 32 bits.
++

Jack


>
> thanks
> cyrille
>
>
> Jack a ?crit :
>> Oops !
>> Send my last mail too fast.
>> Here the patch (simple) i wanted to attach.
>> ++
>> Jack
>> Le 31 mai 08 ? 23:12, cyrille henry a ?crit :
>>> hello,
>>>
>>> i would like to access color data of a framebuffer. just like  
>>> pix_data, but working with a framebuffer.
>>> i'm specially interested with framebuffer because i need to have  
>>> more than 8 bit/color (i'd like to use RGB32 format).
>>>
>>> pix_write use successfully the frambuffer, but i can't make  
>>> pix_snap to work.
>>>
>>> is there a solution, and if not, what would be the best to do in  
>>> order to make this possible?
>>>
>>> thx
>>> cyrille
>>>
>>> _______________________________________________
>>> GEM-dev mailing list
>>> GEM-dev at iem.at
>>> http://lists.puredata.info/listinfo/gem-dev
>> --------------------------------------------------------------------- 
>> ---
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> #N canvas 192 148 489 651 10;
> #X msg 112 86 create \, 1;
> #X obj 112 131 gemwin;
> #X msg 128 108 lighting 1;
> #X obj 161 269 cnv 15 150 150 empty empty scene 20 12 0 14 -233017
> -66577 0;
> #X obj 82 196 gemhead 20;
> #X obj 82 220 gemframebuffer;
> #X obj 167 331 rotateXYZ;
> #X obj 167 376 teapot;
> #X obj 82 266 t a a b;
> #X obj 187 293 i;
> #X obj 220 292 + 1;
> #X obj 250 291 % 360;
> #X obj 82 243 translateXYZ 0 0 -4;
> #X obj 167 353 color 1 0 1;
> #X floatatom 226 313 5 0 0 0 - - -;
> #X obj 163 175 loadbang;
> #X msg 194 133 0 \, destroy;
> #X obj 67 515 pix_data;
> #X floatatom 97 495 5 0 0 0 - - -;
> #X floatatom 135 496 5 0 0 0 - - -;
> #X obj 89 538 unpack f f f;
> #X floatatom 89 591 5 0 0 0 - - -;
> #X floatatom 123 591 5 0 0 0 - - -;
> #X floatatom 158 591 5 0 0 0 - - -;
> #X obj 51 491 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144 -1
> -1;
> #X msg 97 472 0.5;
> #X text 131 471 <- send this message;
> #X obj 89 559 * 256;
> #X obj 127 560 * 256;
> #X obj 168 561 * 256;
> #X obj 82 424 pix_info ---;
> #X floatatom 111 447 5 0 0 0 - - -;
> #X msg 162 195 dimen 128 128 \, format RGB32;
> #X connect 0 0 1 0;
> #X connect 2 0 1 0;
> #X connect 4 0 5 0;
> #X connect 5 0 12 0;
> #X connect 6 0 13 0;
> #X connect 8 0 30 0;
> #X connect 8 1 6 0;
> #X connect 8 2 9 0;
> #X connect 9 0 10 0;
> #X connect 9 0 6 1;
> #X connect 9 0 6 2;
> #X connect 10 0 11 0;
> #X connect 11 0 9 1;
> #X connect 12 0 8 0;
> #X connect 13 0 7 0;
> #X connect 14 0 6 3;
> #X connect 15 0 32 0;
> #X connect 16 0 1 0;
> #X connect 17 1 20 0;
> #X connect 18 0 17 2;
> #X connect 19 0 17 3;
> #X connect 20 0 27 0;
> #X connect 20 1 28 0;
> #X connect 20 2 29 0;
> #X connect 24 0 17 0;
> #X connect 25 0 18 0;
> #X connect 25 0 19 0;
> #X connect 27 0 21 0;
> #X connect 28 0 22 0;
> #X connect 29 0 23 0;
> #X connect 30 0 17 1;
> #X connect 30 3 31 0;
> #X connect 32 0 5 0;