DXVA: Add --disable-low-latency-dxva to disable low latency decoding

DXVA: Add --disable-low-latency-dxva to disable low latency decoding

BUG=625011
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

Committed: https://crrev.com/57d5eddcbc0407ee50a2b63acc3eac5ffb4f27cc
Cr-Commit-Position: refs/heads/master@{#430439}

[sandersd (OOO until July 31), 2016-11-03 19:13:14]

Description was changed from

==========
DXVA: Add --disable-low-latency-dxva to disable low latency decoding

BUG=625011
==========

to

==========
DXVA: Add --disable-low-latency-dxva to disable low latency decoding

BUG=625011
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
==========

[sandersd (OOO until July 31), 2016-11-03 19:15:20]

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

[sandersd (OOO until July 31), 2016-11-03 19:15:21]

Investigatory feature for crbug.com/625011: theory is that this is the main
difference between our stack and Firefox on old AMD devices. If true, we would
need to blacklist this feature on non-GCN ("old") AMD devices.

[jbauman, 2016-11-07 20:01:26]

lgtm

[sandersd (OOO until July 31), 2016-11-07 20:05:29]

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

[sandersd (OOO until July 31), 2016-11-07 20:05:29]

piman@chromium.org: Please review changes in content/public.

[piman, 2016-11-07 20:40:14]

https://codereview.chromium.org/2472173002/diff/1/gpu/command_buffer/service/...
File gpu/command_buffer/service/gpu_preferences.h (right):

https://codereview.chromium.org/2472173002/diff/1/gpu/command_buffer/service/...
gpu/command_buffer/service/gpu_preferences.h:65: bool enable_low_latency_dxva =
true;
You need to add this to content/common/gpu_host_messages.h so that the field
gets correctly transferred over IPC.

[sandersd (OOO until July 31), 2016-11-07 20:43:39]

https://codereview.chromium.org/2472173002/diff/1/gpu/command_buffer/service/...
File gpu/command_buffer/service/gpu_preferences.h (right):

https://codereview.chromium.org/2472173002/diff/1/gpu/command_buffer/service/...
gpu/command_buffer/service/gpu_preferences.h:65: bool enable_low_latency_dxva =
true;
On 2016/11/07 20:40:14, piman wrote:
> You need to add this to content/common/gpu_host_messages.h so that the field
> gets correctly transferred over IPC.

Done.

[piman, 2016-11-07 20:45:35]

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

[piman, 2016-11-07 20:45:35]

LGTM, +dcheng for trivial addition to content/common/gpu_host_messages.h

[dcheng, 2016-11-07 20:51:34]

rs lgtm

[sandersd (OOO until July 31), 2016-11-07 21:15:19]

The CQ bit was checked by sandersd@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-11-07 21:15:48]

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

[sandersd (OOO until July 31), 2016-11-07 23:48:11]

The CQ bit was unchecked by sandersd@chromium.org

[sandersd (OOO until July 31), 2016-11-07 23:48:32]

The CQ bit was checked by sandersd@chromium.org

[sandersd (OOO until July 31), 2016-11-07 23:48:33]

The patchset sent to the CQ was uploaded after l-g-t-m from jbauman@chromium.org
Link to the patchset: https://codereview.chromium.org/2472173002/#ps20001
(title: "IPC")

[commit-bot: I haz the power, 2016-11-07 23:49:29]

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, 2016-11-08 00:29:25]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-11-08 00:33:24]

Description was changed from

==========
DXVA: Add --disable-low-latency-dxva to disable low latency decoding

BUG=625011
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
==========

to

==========
DXVA: Add --disable-low-latency-dxva to disable low latency decoding

BUG=625011
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

Committed: https://crrev.com/57d5eddcbc0407ee50a2b63acc3eac5ffb4f27cc
Cr-Commit-Position: refs/heads/master@{#430439}
==========

[commit-bot: I haz the power, 2016-11-08 00:33:25]

Patchset 2 (id:??) landed as
https://crrev.com/57d5eddcbc0407ee50a2b63acc3eac5ffb4f27cc
Cr-Commit-Position: refs/heads/master@{#430439}