Hello Mathias,

"Mathias Gumz" <mathias.gumz+ope...@gmail.com> 
schrieb im Newsbeitrag 
news:aanlktil-w3rui8krj4yhyuz-e0miiwiy2ykavhga7...@mail.gmail.com...
>
> i once used opensg in combination with mesa to create an arbitrary big
> rgba-buffer (how big is your ram? :))...
>
> could be painfully slow due to software rendering, could be painfully
> slow due to transfering the geometry from one "opengl-context to
> another" (aka: create a clone of the graph) ... but the only limit of
> mesa is your available ram. and it directly renders into your ram, no
> transferring back pixels from the gpu.
>
But then you have a similar problem as with the win32 memory device context 
based GL context: You can't easily ensure that the mesa GL context does 
support the same extensions and capabilities as the hardware accelerated GL 
context provided by the graphic device driver.

Best,
Johannes




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