[PD] gem framebuffer question

[erich]

hello,

i am having a problem with inserting gemframebuffer in the right way 
in the attached patch. 

as you can see i try to buffer the texture on the big rectangle and
put it on a smaller one. the only way i could get a buffer image was
to put it in parallel to the a-branch of |t b a| which seems odd to 
me. furthermore the produced texture is just showing a segment of the
whole 1600 600. what am i doing wrong ?
 
thank you for your help.

best

erich




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