Create new buffer (if necessary) on vkMap

Create new buffer (if necessary) on vkMap

The assumption here is that we only read via a Map after we
sync the command buffer, and that when writing we don't Map
to update, but to overwrite. This appears to be true.

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1774913005

Committed: https://skia.googlesource.com/skia/+/dbb429a1b2586edc45b06609c3526d75fb565933

[jvanverth1, 2016-03-08 21:01:27]

Description was changed from

==========
Create new buffer (if necessary) on vkMap
==========

to

==========
Create new buffer (if necessary) on vkMap
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

[jvanverth1, 2016-03-08 21:03:03]

Description was changed from

==========
Create new buffer (if necessary) on vkMap
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

to

==========
Create new buffer (if necessary) on vkMap

The assumption here is that we only read via a Map after we
sync the command buffer, and that when writing we don't Map
to update, but to overwrite. This appears to be true.

GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

[jvanverth1, 2016-03-08 21:03:26]

jvanverth@google.com changed reviewers:
+ egdaniel@google.com

[egdaniel, 2016-03-16 13:05:44]

lgtm

[jvanverth1, 2016-03-16 13:21:10]

The CQ bit was checked by jvanverth@google.com

[commit-bot: I haz the power, 2016-03-16 13:21:23]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1774913005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1774913005/1

[commit-bot: I haz the power, 2016-03-16 13:47:41]

Description was changed from

==========
Create new buffer (if necessary) on vkMap

The assumption here is that we only read via a Map after we
sync the command buffer, and that when writing we don't Map
to update, but to overwrite. This appears to be true.

GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
==========

to

==========
Create new buffer (if necessary) on vkMap

The assumption here is that we only read via a Map after we
sync the command buffer, and that when writing we don't Map
to update, but to overwrite. This appears to be true.

GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...

Committed:
https://skia.googlesource.com/skia/+/dbb429a1b2586edc45b06609c3526d75fb565933
==========

[commit-bot: I haz the power, 2016-03-16 13:47:42]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/dbb429a1b2586edc45b06609c3526d75fb565933