[Mesa-dev] [PATCH 27/53] i965/drm: Drop userptr support for now.

Chris Wilson chris at chris-wilson.co.uk
Wed Apr 5 10:41:50 UTC 2017


On Tue, Apr 04, 2017 at 05:10:17PM -0700, Kenneth Graunke wrote:
> We'll probably want this someday, but let's simplify now and add it back
> when we actually intend to use it.

You do, but not in this form. Other than AMD_pinned_memory, zero-copy
TexImage (and esp reads) are a lot faster using the format conversion
with blorp than mesa, even with the synchronisation cost. (I thought I
sent the userptr integration along with brw_batch?)

Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre


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