Add a GL cap for instanced rendering to floating point

Add a GL cap for instanced rendering to floating point

We have observed on OS X that instanced draws don't always behave
correctly when the framebuffer is floating point.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2095183002

Committed: https://skia.googlesource.com/skia/+/c411f2d963cdee3a934c9ff65b0728d2b927586a

[csmartdalton, 2016-06-25 03:50:57]

Description was changed from

==========
Add a GL cap for instanced rendering to floating point

We have observed on OS X that instanced draws don't always behave
correctly when the framebuffer is floating point.

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

to

==========
Add a GL cap for instanced rendering to floating point

We have observed on OS X that instanced draws don't always behave
correctly when the framebuffer is floating point.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2095183002
==========

[csmartdalton, 2016-06-25 03:53:15]

csmartdalton@google.com changed reviewers:
+ bsalomon@google.com

[bsalomon, 2016-06-27 13:52:15]

lgtm

[csmartdalton, 2016-06-27 16:07:29]

The CQ bit was checked by csmartdalton@google.com

[commit-bot: I haz the power, 2016-06-27 16:07:37]

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 16:29:09]

Description was changed from

==========
Add a GL cap for instanced rendering to floating point

We have observed on OS X that instanced draws don't always behave
correctly when the framebuffer is floating point.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2095183002
==========

to

==========
Add a GL cap for instanced rendering to floating point

We have observed on OS X that instanced draws don't always behave
correctly when the framebuffer is floating point.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2095183002

Committed:
https://skia.googlesource.com/skia/+/c411f2d963cdee3a934c9ff65b0728d2b927586a
==========

[commit-bot: I haz the power, 2016-06-27 16:29:10]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/c411f2d963cdee3a934c9ff65b0728d2b927586a