Enable NV12 DXGI video copying path by default.

Enable NV12 DXGI video copying path by default.

Enables using NV12 textures as video decoder picture buffers on systems
where that's supported - those that use D3D11 video decoding, support
NV12 texture sharing, and can use NV12 as video processor outputs.

The additional copy uses extra power over the new zero-copy DXGI path,
but should work on systems where that hits driver issues, either due to
sharing of the decoder device with ANGLE or with using decoder output
textures as shader resources.

BUG=574292
Committed: https://crrev.com/71e41e59f0ab10ec4a2998ca9ced81d8c67fd114
Cr-Commit-Position: refs/heads/master@{#403334}

[jbauman, 2016-06-30 03:12:20]

jbauman@chromium.org changed reviewers:
+ piman@chromium.org

[piman, 2016-06-30 03:39:17]

lgtm

[jbauman, 2016-06-30 22:37:46]

The CQ bit was checked by jbauman@chromium.org

[jbauman, 2016-06-30 22:37:47]

The patchset sent to the CQ was uploaded after l-g-t-m from piman@chromium.org
Link to the patchset: https://codereview.chromium.org/2111043002/#ps20001
(title: "fix flag")

[commit-bot: I haz the power, 2016-06-30 22:38:21]

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, 2016-06-30 23:29:44]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-06-30 23:32:51]

Description was changed from

==========
Enable NV12 DXGI video copying path by default.

Enables using NV12 textures as video decoder picture buffers on systems
where that's supported - those that use D3D11 video decoding, support
NV12 texture sharing, and can use NV12 as video processor outputs.

The additional copy uses extra power over the new zero-copy DXGI path,
but should work on systems where that hits driver issues, either due to
sharing of the decoder device with ANGLE or with using decoder output
textures as shader resources.

BUG=574292
==========

to

==========
Enable NV12 DXGI video copying path by default.

Enables using NV12 textures as video decoder picture buffers on systems
where that's supported - those that use D3D11 video decoding, support
NV12 texture sharing, and can use NV12 as video processor outputs.

The additional copy uses extra power over the new zero-copy DXGI path,
but should work on systems where that hits driver issues, either due to
sharing of the decoder device with ANGLE or with using decoder output
textures as shader resources.

BUG=574292

Committed: https://crrev.com/71e41e59f0ab10ec4a2998ca9ced81d8c67fd114
Cr-Commit-Position: refs/heads/master@{#403334}
==========

[commit-bot: I haz the power, 2016-06-30 23:32:52]

Patchset 2 (id:??) landed as
https://crrev.com/71e41e59f0ab10ec4a2998ca9ced81d8c67fd114
Cr-Commit-Position: refs/heads/master@{#403334}