[Nouveau] Dealing with opencl kernel parameters in nouveau now that RES support is gone

Ilia Mirkin imirkin at alum.mit.edu
Mon Feb 22 15:26:57 UTC 2016


On Mon, Feb 22, 2016 at 10:15 AM, Pierre Moreau <pierre.morrow at free.fr> wrote:
> Apart from Tesla which uses shared memory for passing the OpenCL user params, Fermi+ use const memory for that, and this is what Samuel's patches are doing (at least from what I remember).

Hmmm.... that puts a bit of a hole in my theory of "let's just use
constbufs". That said, constbufs *will* work on Tesla as well.

Well, in that case, perhaps a separate input memory *is* the right
thing to do? Ugh :( This definitely needs to be discussed with the
wider gallium/tgsi community.

  -ilia


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