ScreenCapturerWinDirectx may flicker on certain hardware

ScreenCapturerWinDirectx may flicker on certain hardware

Once the first capture attempt failed, we should keep the
context->updated_region unchanged for next attempt. This change can (partially?)
fix issue 704205.

BUG=704205
Review-Url: https://codereview.webrtc.org/2780093002
Cr-Commit-Position: refs/heads/master@{#17456}
Committed: https://chromium.googlesource.com/external/webrtc/+/cf757cf3fd9a8b66ab555665a88e2a7f5d059c07

[Hzj_jie, 2017-03-29 03:42:40]

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

[commit-bot: I haz the power, 2017-03-29 03:42:46]

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

[Hzj_jie, 2017-03-29 03:44:44]

Description was changed from

==========
ScreenCapturerWinDirectx may flicker on certain hardware

Once the first capture attempt failed, we should keep the
context->updated_region unchanged for next attempt. This is a potential fix of
issue 704205.

BUG=704205
==========

to

==========
ScreenCapturerWinDirectx may flicker on certain hardware

Once the first capture attempt failed, we should keep the
context->updated_region unchanged for next attempt. This change can (partially?)
fix issue 704205.

BUG=704205
==========

[Hzj_jie, 2017-03-29 03:44:44]

zijiehe@chromium.org changed reviewers:
+ sergeyu@chromium.org

[commit-bot: I haz the power, 2017-03-29 04:35:37]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-03-29 04:35:37]

Dry run: This issue passed the CQ dry run.

[Sergey Ulanov, 2017-03-29 21:22:04]

lgtm

[Hzj_jie, 2017-03-29 21:28:49]

The CQ bit was checked by zijiehe@chromium.org

[commit-bot: I haz the power, 2017-03-29 21:28:51]

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

[commit-bot: I haz the power, 2017-03-29 21:37:53]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490822929428640, "parent_rev":
"687392ffba1c9256815d4bc533cf8687ede68d2e", "commit_rev":
"cf757cf3fd9a8b66ab555665a88e2a7f5d059c07"}

[commit-bot: I haz the power, 2017-03-29 21:37:57]

Description was changed from

==========
ScreenCapturerWinDirectx may flicker on certain hardware

Once the first capture attempt failed, we should keep the
context->updated_region unchanged for next attempt. This change can (partially?)
fix issue 704205.

BUG=704205
==========

to

==========
ScreenCapturerWinDirectx may flicker on certain hardware

Once the first capture attempt failed, we should keep the
context->updated_region unchanged for next attempt. This change can (partially?)
fix issue 704205.

BUG=704205

Review-Url: https://codereview.webrtc.org/2780093002
Cr-Commit-Position: refs/heads/master@{#17456}
Committed:
https://chromium.googlesource.com/external/webrtc/+/cf757cf3fd9a8b66ab555665a...
==========

[commit-bot: I haz the power, 2017-03-29 21:37:58]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/cf757cf3fd9a8b66ab555665a...

[Sergey Ulanov, 2017-03-29 23:29:22]

FWIW I can still reproduce the flickering issue on my machine. I'll try to
bisect to find what broke it.