[Mesa-dev] INTEL_map_texture on i915/i965

Matt Turner mattst88 at gmail.com
Fri Aug 17 03:39:32 UTC 2018

On Thu, Aug 16, 2018 at 5:50 PM Jason Ekstrand <jason at jlekstrand.net> wrote:
> If that's true then the extension makes no sense other than maybe "we're a
> UMA, we can make things cheap." I think it's more likely that the intention
> is to use a fenced map through the GTT to do the detiling. That said, given
> how sketchy GTT maps are, it's still a pretty questionable extension at
> best and something we don't want to commit to going forward.

Why are you speculating about it instead of just reading the extension?


    This extension allows to create textures with 'linear' layout which allows
    for simplified access on user side (potentially sacrificing some
    performance during texture sampling).

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