Set GeometryBufferMapThreshold defaults

Set GeometryBufferMapThreshold defaults

TBR=bsalomon@google.com
BUG=skia:

Committed: https://skia.googlesource.com/skia/+/e5b74c68564baab3639b21a95ce5b4b92949ca27

[joshualitt, 2015-05-29 18:43:20]

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

[bsalomon, 2015-06-01 13:53:06]

https://codereview.chromium.org/1161543003/diff/1/include/gpu/GrContextOptions.h
File include/gpu/GrContextOptions.h (right):

https://codereview.chromium.org/1161543003/diff/1/include/gpu/GrContextOption...
include/gpu/GrContextOptions.h:40: int  fGeometryBufferMapThreshold;
This comment is a bit impl specific (map() and updateData() are methods on a
internal class). Maybe update the comment to say that this is the threshold
above which we will use a buffer mapping API to map vertex and index buffers to
CPU memory in order to update them. Also, should probably document that -1
indicates that the GrContext should deduce a value.

[robertphillips, 2015-06-01 14:02:02]

robertphillips@google.com changed reviewers:
+ robertphillips@google.com

[robertphillips, 2015-06-01 14:02:03]

lgtm. Is there any perf improvement in Chrome?

[joshualitt, 2015-06-01 21:07:50]

The CQ bit was checked by joshualitt@google.com

[joshualitt, 2015-06-01 21:07:51]

The patchset sent to the CQ was uploaded after l-g-t-m from
robertphillips@google.com
Link to the patchset: https://codereview.chromium.org/1161543003/#ps20001
(title: "more")

[commit-bot: I haz the power, 2015-06-01 21:08:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1161543003/20001

[commit-bot: I haz the power, 2015-06-01 21:09:19]

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

[commit-bot: I haz the power, 2015-06-01 21:09:22]

Try jobs failed on following builders:
  skia_presubmit-Trybot on client.skia.fyi (JOB_FAILED,
http://build.chromium.org/p/client.skia.fyi/builders/skia_presubmit-Trybot/bu...)

[joshualitt, 2015-06-01 21:16:55]

The CQ bit was checked by joshualitt@google.com

[commit-bot: I haz the power, 2015-06-01 21:17:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1161543003/20001

[commit-bot: I haz the power, 2015-06-01 21:17:56]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/e5b74c68564baab3639b21a95ce5b4b92949ca27