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Thread: Image objects

  1. #1
    Junior Member
    Join Date
    Jun 2008

    Image objects


    i am currently giving a look to OpenCL. I just wanted to ask a question regarding image objects. In OpenCL, one can allocate memory on the devices accessible to kernerls.
    Ok. What is the purpose of Image objects? I mean, i can create a normal buffer object, put my image there, pass the width and height as parameters to the kernel.


  2. #2

    Re: Image objects

    Instead of doing a simple array lookup, you can sample individual pixels controlled by certain parameters such as address clamping and interpolation mode. On GPU hardware this is going to be a lot faster than doing it manually.

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