Add NV12 buffer scanout support from exo to ozone.

Add NV12 buffer scanout support from exo to ozone.

Let exo import NV12 scanout buffers and use them to composite.

BUG=647015, 646148
, b/31159410, b/29625228
NOTRY=true
NOPRESUBMIT=true
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2296433002
Cr-Commit-Position: refs/heads/master@{#418096}
(cherry picked from commit 1e8cdd4dc52fa218459fdc699adc301d36915438)

[Daniele Castagna, 2016-09-14 21:32:31]

dcastagna@chromium.org changed reviewers:
+ reveman@chromium.org

[Daniele Castagna, 2016-09-14 21:32:32]

Merging the NV12 support to M54

[reveman, 2016-09-14 21:33:26]

lgtm

[Daniele Castagna, 2016-09-14 21:37:53]

Description was changed from

==========
Add NV12 buffer scanout support from exo to ozone.

Let exo import NV12 scanout buffers and use them to composite.

BUG=647015, 646148, b/31159410, b/29625228
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2296433002
Cr-Commit-Position: refs/heads/master@{#418096}
(cherry picked from commit 1e8cdd4dc52fa218459fdc699adc301d36915438)
==========

to

==========
Add NV12 buffer scanout support from exo to ozone.

Let exo import NV12 scanout buffers and use them to composite.

BUG=647015, 646148, b/31159410, b/29625228
NOTRY=true
NOPRESUBMIT=true
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2296433002
Cr-Commit-Position: refs/heads/master@{#418096}
(cherry picked from commit 1e8cdd4dc52fa218459fdc699adc301d36915438)
==========

[Daniele Castagna, 2016-09-14 21:37:56]

The CQ bit was checked by dcastagna@chromium.org

[commit-bot: I haz the power, 2016-09-14 21:38:31]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-14 21:42:02]

Committed patchset #1 (id:1)

[Daniele Castagna, 2016-09-22 21:44:22]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2360323004/ by dcastagna@chromium.org.

The reason for reverting is: This broke YouTube, Hangout, and camera app on many
ChromeOS devices. The video was black. See http://crbug.com/648528.