Fix Vulkan readPixels

Fix Vulkan readPixels

Fixed bug with setting up tempReadTexture from previous CL.

Also, previously we were not correctly handling the rowBytes during the read.

BUG=skia:5461
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2102633003

Committed: https://skia.googlesource.com/skia/+/88e8aef3916454e5f6916cc8b3420345b1cf0584

[egdaniel, 2016-06-27 19:35:29]

Description was changed from

==========
Fix Vulkan readPixels

Fixed bug with setting up tempReadTexture from previous CL.

Also, previously we were not correctly handling the rowBytes during the read.

BUG=skia:5461
==========

to

==========
Fix Vulkan readPixels

Fixed bug with setting up tempReadTexture from previous CL.

Also, previously we were not correctly handling the rowBytes during the read.

BUG=skia:5461
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2102633003
==========

[egdaniel, 2016-06-27 19:36:05]

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

[egdaniel, 2016-06-27 21:12:33]

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

[Brian Osman, 2016-06-27 21:15:08]

lgtm

[egdaniel, 2016-06-27 21:16:52]

The CQ bit was checked by egdaniel@google.com

[commit-bot: I haz the power, 2016-06-27 21:16:56]

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, 2016-06-27 21:34:59]

Description was changed from

==========
Fix Vulkan readPixels

Fixed bug with setting up tempReadTexture from previous CL.

Also, previously we were not correctly handling the rowBytes during the read.

BUG=skia:5461
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2102633003
==========

to

==========
Fix Vulkan readPixels

Fixed bug with setting up tempReadTexture from previous CL.

Also, previously we were not correctly handling the rowBytes during the read.

BUG=skia:5461
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2102633003

Committed:
https://skia.googlesource.com/skia/+/88e8aef3916454e5f6916cc8b3420345b1cf0584
==========

[commit-bot: I haz the power, 2016-06-27 21:35:00]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/88e8aef3916454e5f6916cc8b3420345b1cf0584