From: Adam Jackson <ajax@redhat.com>
To: Zach Reizner <zachr@google.com>
Cc: "Stéphane Marchesin" <marcheu@chromium.org>,
"Ben Widawsky" <ben@bwidawsk.net>,
dri-devel@lists.freedesktop.org
Subject: Re: [PATCH] drm/vgem: implement virtual GEM
Date: Fri, 21 Nov 2014 09:02:40 -0500 [thread overview]
Message-ID: <1416578560.11338.13.camel@dmt> (raw)
In-Reply-To: <1416529576-20471-1-git-send-email-zachr@google.com>
On Thu, 2014-11-20 at 16:26 -0800, Zach Reizner wrote:
> This patch implements the virtual GEM driver with PRIME sharing which
> allows vgem to import a gem object from other drivers for the purpose
> of mmap-ing them to userspace.
The reason I initially wanted this was to get zero-copy llvmpipe, since
(besides making GLX conformance impossible) the image transfer parts of
drisw are easily the biggest part of the runtime overhead. Is there a
userspace consumer of this anywhere?
- ajax
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next prev parent reply other threads:[~2014-11-21 14:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-21 0:26 [PATCH] drm/vgem: implement virtual GEM Zach Reizner
2014-11-21 8:17 ` Daniel Vetter
2014-11-21 14:02 ` Adam Jackson [this message]
2014-11-21 18:45 ` Zachary Reizner
2014-11-25 1:08 ` Zachary Reizner
2015-04-02 8:30 ` Thomas Hellstrom
2015-05-21 9:13 ` Daniel Vetter
2015-05-21 13:49 ` Thomas Hellstrom
2015-05-21 14:19 ` Rob Clark
2015-05-21 14:26 ` Thomas Hellstrom
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