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Type: Posts; User: thneed

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  1. Re: OpenCL Image Rotate/Scale/Translate, Affine Transform, .

    Sure.
    I guess I was thinking that such a heavily used operation (matrix coordinate transformations), might have its own optimized primitive rather than being unrolled into a series of other...
  2. Re: OpenCL Image Rotate/Scale/Translate, Affine Transform, .

    Yeah.
    rot() in IDL uses cubic interpolation.
    I thought I would do some sort of weighted neighbor averaging.
  3. Re: OpenCL Image Rotate/Scale/Translate, Affine Transform, .

    Thanks for the reply.
    It is very unfortunate that there are no OpenCL functions exposed for matrix math; I am mostly interested in hardware acceleration; I know this operation also must be heavily...
  4. OpenCL Image Rotate/Scale/Translate, Affine Transform, ...?

    Does anybody have sample source code for an OpenCL program for efficiently doing an affine transform to rotate, scale and translate a 2D array/image?

    I want to see if I can write a GPU accelerated...
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