Don't batch large instanced rects with other shapes

Don't batch large instanced rects with other shapes

Sets a threshold for total area after which rectangles will no longer
batch with other types of shapes. The round rect shader is more
expensive, so once we become sufficiently GPU-bound it no longer makes
sense to do these combinations.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2119123002

[csmartdalton, 2016-07-04 05:09:49]

Description was changed from

==========
Don't batch large instanced rects with other shapes

Sets a threshold for total area after which rectangles will no longer
batch with other types of shapes. The round rect shader is more
expensive, so once we become sufficiently GPU-bound it no longer makes
sense to do these combinations.

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

to

==========
Don't batch large instanced rects with other shapes

Sets a threshold for total area after which rectangles will no longer
batch with other types of shapes. The round rect shader is more
expensive, so once we become sufficiently GPU-bound it no longer makes
sense to do these combinations.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2119123002
==========

[csmartdalton, 2016-07-04 05:24:37]

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

[csmartdalton, 2016-07-05 23:08:55]

Description was changed from

==========
Don't batch large instanced rects with other shapes

Sets a threshold for total area after which rectangles will no longer
batch with other types of shapes. The round rect shader is more
expensive, so once we become sufficiently GPU-bound it no longer makes
sense to do these combinations.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2119123002
==========

to

==========
Don't batch large instanced rects with other shapes

Sets a threshold for total area after which rectangles will no longer
batch with other types of shapes. The round rect shader is more
expensive, so once we become sufficiently GPU-bound it no longer makes
sense to do these combinations.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2119123002
==========

[csmartdalton, 2016-07-05 23:09:01]

Rolled into https://codereview.chromium.org/2066993003/