About

Michael Zucchi

 B.E. (Comp. Sys. Eng.)

  also known as zed
  & handle of notzed

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Wednesday, 08 June 2011, 12:49

Sharing GLContexts

Hit a problem yesterday, how to share GL contexts with OpenCL and several GLCanvas objects. i.e. I have a window with a few output windows and they all need to share OpenCL processing.

I eventually found one of the test cases which did the same thing, and I used a similar approach.

Bit tricky to debug as most mistakes just lead to clue-free segfaults. It didn't help that I forgot to initialise a width/height variable at one point, and until I did everything 'worked' except that creating the output texture always failed with an error which didn't make sense.

Tagged java, opencl, socles.
beep | jjmpeg - why java?
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