Add sampler precision to GrTextureAccess

Add sampler precision to GrTextureAccess

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1784023002

Committed: https://skia.googlesource.com/skia/+/5f2d8e28c4f8ec0ead92eb613254063ace4e90b4

[Chris Dalton, 2016-03-11 00:10:20]

Description was changed from

==========
Add sampler precision to GrTextureAccess

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

to

==========
Add sampler precision to GrTextureAccess

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

[Chris Dalton, 2016-03-11 00:11:24]

cdalton@nvidia.com changed reviewers:
+ bsalomon@google.com, joshualitt@google.com

[bsalomon, 2016-03-11 14:11:30]

lgtm

[Chris Dalton, 2016-03-11 18:10:41]

The CQ bit was checked by cdalton@nvidia.com

[commit-bot: I haz the power, 2016-03-11 18:10:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1784023002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1784023002/1

[commit-bot: I haz the power, 2016-03-11 18:11:59]

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

[commit-bot: I haz the power, 2016-03-11 18:12:00]

Try jobs failed on following builders:
  Build-Mac-Clang-x86_64-Release-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Mac-Clang-x86_...)

[Chris Dalton, 2016-03-11 21:24:45]

The CQ bit was checked by cdalton@nvidia.com

[Chris Dalton, 2016-03-11 21:24:45]

The patchset sent to the CQ was uploaded after l-g-t-m from bsalomon@google.com
Link to the patchset: https://codereview.chromium.org/1784023002/#ps20001
(title: "rebase")

[commit-bot: I haz the power, 2016-03-11 21:24:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1784023002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1784023002/20001

[commit-bot: I haz the power, 2016-03-11 21:34:34]

Description was changed from

==========
Add sampler precision to GrTextureAccess

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

to

==========
Add sampler precision to GrTextureAccess

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

Committed:
https://skia.googlesource.com/skia/+/5f2d8e28c4f8ec0ead92eb613254063ace4e90b4
==========

[commit-bot: I haz the power, 2016-03-11 21:34:35]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/5f2d8e28c4f8ec0ead92eb613254063ace4e90b4

[Chris Dalton, 2016-04-01 20:41:44]

A revert of this CL (patchset #2 id:20001) has been created in
https://codereview.chromium.org/1851173002/ by cdalton@nvidia.com.

The reason for reverting is: Did not account for sampler precision in the
program key..