[Mesa-dev] EXT_image_dma_buf_import FD ownership

John Sheu sheu at google.com
Mon Oct 14 19:37:23 CEST 2013

On Fri, Oct 11, 2013 at 6:32 PM, Chad Versace
<chad.versace at linux.intel.com> wrote:
> That's a surprise! I knew ARM shipped an implementation, but I always
> assumed it was for Android.
> Can give us some details on how ChromeOS/ARM uses it? As you may
> have heard through other channels, I've proposed that ChromeOS/Intel
> use it to enable cross-process zero-copy texture uploads.

ChromeOS/ARM doesn't use it... yet.  I've got a Chrome-side commit,
not in the tree yet, that would use it for zero-copying HW video
decoder textures, but it's pending resolution of a few issues
(including this one).  This has actually been the driver for me to
getting the spec/implementation nailed down for

-John Sheu

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