[GEM-dev] 2textures + gemframebuffer

[cyrille henry]

IOhannes m zmoelnig a écrit :
> hi
> 
> marius schebella wrote:
>> there remains one more problem:
>>
>> [gemhead]
>>   |
>> [shader..]  [from_another_frambuffer]
>>   |          /
>> [pix_texture]
>>
>> that does not work, because pix_texture does not read the dimensions 
>> correctly. if I connect a pix_info to pix_texture I always get -1 -1 for 
> 
> this is because [pix_info] will output information on the "pix" (that 
> is: image-data in main memory) in the gemchain.
> since you don't have a "pix" in the chain, you get invalid data.
and it's the same information that are used by the shader coordinate. so shader does have invalid data...

> 
> anyhow, the information about width/height should be set correctly in 
> the texture-message you send to the right inlet of [pix_texture].
> 
> iirc, there is indeed some bug in there with the framebuffer-objects 
> (have to check again whether i tried to fix it...)
> 
> 
> as a workaround you can use something like:
> 
>              |
>              [$1 <width> <height> $4 $5 $6(
>              |
> [pix_texture]
> 
> (or the like, i don't remember the arguments of the texture-message by 
> heart, just print them to see what you are doing)

the frambuffer output is correct, but it look like pix_texture does not use this infos.

see attachement.

cyrille

> 
> fmgasd.r
> IOhannes
> 
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