Add point spans, but fall back for all cases.

Add point spans, but fall back for all cases.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1711963003

curr/maxrss     loops   min     median  mean    max     stddev  samples                 config  bench
  10/10  MB     1       481µs   504µs   512µs   580µs   6%      ▁▁▄▆▂▃▁▁▁▁▁▁▃▇█▅▃█▃▅    nonrendering    SkBitmapFPAffineXClampYClampFilterOrig
  10/10  MB     1       2.21ms  2.31ms  2.31ms  2.53ms  4%      ▁▁▆▃▃▃▄▅▂▁▄▁█▅▁▁▄▂▆▁    nonrendering    SkBitmapFPAffineXClampYClampFilterLinr
  10/10  MB     1       2.49ms  2.63ms  2.61ms  2.78ms  4%      ▄▃▇▄▅▇▆▁▆▁▁▁▅▂▁▄▃█▆▃    nonrendering    SkBitmapFPAffineXClampYClampFiltersRGB
  10/10  MB     2       150µs   151µs   153µs   162µs   2%      ▅▇▂▂▁▁▂▂▁▁▂▂▁▁▁▁▇█▂▁    nonrendering    SkBitmapFPAffineXClampYClampNearestOrig
  10/10  MB     1       552µs   553µs   562µs   658µs   4%      ▁▁▁▁▁▁▁▁▁▄▃▁▁▁▁▁▁▁▁█    nonrendering    SkBitmapFPAffineXClampYClampNearestLinr
  10/10  MB     1       718µs   742µs   748µs   808µs   4%      ▃▃▁▁▅▁▁▁▁▃▃▃▃▇▇▇▁▁▇█    nonrendering    SkBitmapFPAffineXClampYClampNearestsRGB
  10/10  MB     1       277µs   286µs   292µs   341µs   7%      █▁▁▁▁▁▁▁▁▁▃▂▃▃▆█▄▂▂▂    nonrendering    SkBitmapFPScaleXClampYClampFilterOrig
  10/10  MB     1       2.21ms  2.41ms  2.39ms  2.55ms  4%      ▄▆▃▅▇▂▁▁▇▅▆▅▅▆▄▅█▅▆▅    nonrendering    SkBitmapFPScaleXClampYClampFilterLinr
  10/10  MB     1       2.55ms  2.68ms  2.69ms  2.94ms  4%      ▂▃▁▁▄▄▅▅▄▃█▄▃▇▂▁▃▃▂▂    nonrendering    SkBitmapFPScaleXClampYClampFiltersRGB
  10/10  MB     4       59.9µs  60.6µs  61.6µs  71.1µs  5%      ▂▃▄▁▁▁▁█▇▁▂▁▁▁▁▁▁▁▁▁    nonrendering    SkBitmapFPScaleXClampYClampNearestOrig
  10/10  MB     1       534µs   560µs   559µs   613µs   5%      ▇▂▁▅▅▅█▅▅▃▁▁▁▁▂▄▅▁▁▁    nonrendering    SkBitmapFPScaleXClampYClampNearestLinr
  10/10  MB     1       639µs   658µs   666µs   731µs   5%      ▅█▃▂▃▇▆▁▁▁▁▁▂▁▁▁▁▄█▄    nonrendering    SkBitmapFPScaleXClampYClampNearestsRGB
  10/10  MB     4       61.6µs  65.7µs  65.5µs  70.4µs  5%      ▃▃▃█▆▆▂▂▂▅▄▄▇▄▁▂▁▄██    nonrendering    SkBitmapFPIdentityXClampYClampFilterOrig
  10/10  MB     1       2.22ms  2.34ms  2.35ms  2.57ms  3%      ▂█▅▄▃▃▃▄▂▄▄▄▂▄▁▆▃▁▄▃    nonrendering    SkBitmapFPIdentityXClampYClampFilterLinr
  10/10  MB     1       2.42ms  2.52ms  2.52ms  2.76ms  4%      ▁▁▄▂▄▄▃▅█▄▅▁▃▁▁▃▁▄▃▃    nonrendering    SkBitmapFPIdentityXClampYClampFiltersRGB
  10/10  MB     4       59.7µs  64.7µs  64.8µs  73.3µs  7%      ▂▂▄▁▂▁▁▂▁▁▆▄▆▆▇▄▆▇▂█    nonrendering    SkBitmapFPIdentityXClampYClampNearestOrig
  10/10  MB     1       376µs   388µs   387µs   429µs   4%      ▃▃▆▁▄▄▁▃█▁▁▁▁▁▃▃▄▁▁▁    nonrendering    SkBitmapFPIdentityXClampYClampNearestLinr
  10/10  MB     1       496µs   511µs   518µs   568µs   5%      ▂▆▆█▆▃▂▂█▇▃▁▁▁▁▁▁▁▁▁    nonrendering    SkBitmapFPIdentityXClampYClampNearestsRGB

Committed: https://skia.googlesource.com/skia/+/3eb4895ea1205a5a2dd1457bf67a1497a29ebc81

[herb_g, 2016-02-18 22:47:24]

Description was changed from

==========
Add point spans, but fall back for all cases.

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

to

==========
Add point spans, but fall back for all cases.

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

[herb_g, 2016-02-18 22:48:02]

Description was changed from

==========
Add point spans, but fall back for all cases.

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

to

==========
Add point spans, but fall back for all cases.

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

[herb_g, 2016-02-18 22:48:02]

herb@google.com changed reviewers:
+ mtklein@google.com, reed@google.com

[herb_g, 2016-02-18 22:50:42]

Description was changed from

==========
Add point spans, but fall back for all cases.

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

to

==========
Add point spans, but fall back for all cases.

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

curr/maxrss     loops   min     median  mean    max     stddev  samples         
       config  bench
  10/10  MB     1       481µs   504µs   512µs   580µs   6%     
▁▁▄▆▂▃▁▁▁▁▁▁▃▇█▅▃█▃▅    nonrendering    SkBitmapFPAffineXClampYClampFilterOrig
  10/10  MB     1       2.21ms  2.31ms  2.31ms  2.53ms  4%     
▁▁▆▃▃▃▄▅▂▁▄▁█▅▁▁▄▂▆▁    nonrendering    SkBitmapFPAffineXClampYClampFilterLinr
  10/10  MB     1       2.49ms  2.63ms  2.61ms  2.78ms  4%     
▄▃▇▄▅▇▆▁▆▁▁▁▅▂▁▄▃█▆▃    nonrendering    SkBitmapFPAffineXClampYClampFiltersRGB
  10/10  MB     2       150µs   151µs   153µs   162µs   2%     
▅▇▂▂▁▁▂▂▁▁▂▂▁▁▁▁▇█▂▁    nonrendering    SkBitmapFPAffineXClampYClampNearestOrig
  10/10  MB     1       552µs   553µs   562µs   658µs   4%     
▁▁▁▁▁▁▁▁▁▄▃▁▁▁▁▁▁▁▁█    nonrendering    SkBitmapFPAffineXClampYClampNearestLinr
  10/10  MB     1       718µs   742µs   748µs   808µs   4%     
▃▃▁▁▅▁▁▁▁▃▃▃▃▇▇▇▁▁▇█    nonrendering    SkBitmapFPAffineXClampYClampNearestsRGB
  10/10  MB     1       277µs   286µs   292µs   341µs   7%     
█▁▁▁▁▁▁▁▁▁▃▂▃▃▆█▄▂▂▂    nonrendering    SkBitmapFPScaleXClampYClampFilterOrig
  10/10  MB     1       2.21ms  2.41ms  2.39ms  2.55ms  4%     
▄▆▃▅▇▂▁▁▇▅▆▅▅▆▄▅█▅▆▅    nonrendering    SkBitmapFPScaleXClampYClampFilterLinr
  10/10  MB     1       2.55ms  2.68ms  2.69ms  2.94ms  4%     
▂▃▁▁▄▄▅▅▄▃█▄▃▇▂▁▃▃▂▂    nonrendering    SkBitmapFPScaleXClampYClampFiltersRGB
  10/10  MB     4       59.9µs  60.6µs  61.6µs  71.1µs  5%     
▂▃▄▁▁▁▁█▇▁▂▁▁▁▁▁▁▁▁▁    nonrendering    SkBitmapFPScaleXClampYClampNearestOrig
  10/10  MB     1       534µs   560µs   559µs   613µs   5%     
▇▂▁▅▅▅█▅▅▃▁▁▁▁▂▄▅▁▁▁    nonrendering    SkBitmapFPScaleXClampYClampNearestLinr
  10/10  MB     1       639µs   658µs   666µs   731µs   5%     
▅█▃▂▃▇▆▁▁▁▁▁▂▁▁▁▁▄█▄    nonrendering    SkBitmapFPScaleXClampYClampNearestsRGB
  10/10  MB     4       61.6µs  65.7µs  65.5µs  70.4µs  5%     
▃▃▃█▆▆▂▂▂▅▄▄▇▄▁▂▁▄██    nonrendering    SkBitmapFPIdentityXClampYClampFilterOrig
  10/10  MB     1       2.22ms  2.34ms  2.35ms  2.57ms  3%     
▂█▅▄▃▃▃▄▂▄▄▄▂▄▁▆▃▁▄▃    nonrendering    SkBitmapFPIdentityXClampYClampFilterLinr
  10/10  MB     1       2.42ms  2.52ms  2.52ms  2.76ms  4%     
▁▁▄▂▄▄▃▅█▄▅▁▃▁▁▃▁▄▃▃    nonrendering    SkBitmapFPIdentityXClampYClampFiltersRGB
  10/10  MB     4       59.7µs  64.7µs  64.8µs  73.3µs  7%     
▂▂▄▁▂▁▁▂▁▁▆▄▆▆▇▄▆▇▂█    nonrendering   
SkBitmapFPIdentityXClampYClampNearestOrig
  10/10  MB     1       376µs   388µs   387µs   429µs   4%     
▃▃▆▁▄▄▁▃█▁▁▁▁▁▃▃▄▁▁▁    nonrendering   
SkBitmapFPIdentityXClampYClampNearestLinr
  10/10  MB     1       496µs   511µs   518µs   568µs   5%     
▂▆▆█▆▃▂▂█▇▃▁▁▁▁▁▁▁▁▁    nonrendering   
SkBitmapFPIdentityXClampYClampNearestsRGB
==========

[herb_g, 2016-02-18 22:59:20]

The CQ bit was checked by herb@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-02-18 22:59:27]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1711963003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1711963003/1

[commit-bot: I haz the power, 2016-02-18 23:32:32]

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

[commit-bot: I haz the power, 2016-02-18 23:32:32]

Dry run: This issue passed the CQ dry run.

[mtklein, 2016-02-19 20:54:20]

lgtm

https://codereview.chromium.org/1711963003/diff/1/src/core/SkLinearBitmapPipe...
File src/core/SkLinearBitmapPipeline.cpp (right):

https://codereview.chromium.org/1711963003/diff/1/src/core/SkLinearBitmapPipe...
src/core/SkLinearBitmapPipeline.cpp:39: SkASSERT(count > 1);
// No point to count == 1... should just use pointListFew(1, ...) instead.

https://codereview.chromium.org/1711963003/diff/1/src/core/SkLinearBitmapPipe...
src/core/SkLinearBitmapPipeline.cpp:44: Sk4f fours = {4.0f * dx};
fourDX?

https://codereview.chromium.org/1711963003/diff/1/src/core/SkLinearBitmapPipe...
src/core/SkLinearBitmapPipeline.cpp:604: fFirstStage->pointSpan(SkPoint{x +
0.5f, y + 0.5f}, count - 1, count);
// Good place for diagrams and an explanation of relationship between length and
count.

[herb_g, 2016-02-19 22:07:15]

Address comments.

[herb_g, 2016-02-19 22:07:44]

https://codereview.chromium.org/1711963003/diff/1/src/core/SkLinearBitmapPipe...
File src/core/SkLinearBitmapPipeline.cpp (right):

https://codereview.chromium.org/1711963003/diff/1/src/core/SkLinearBitmapPipe...
src/core/SkLinearBitmapPipeline.cpp:39: SkASSERT(count > 1);
On 2016/02/19 20:54:19, mtklein wrote:
> // No point to count == 1... should just use pointListFew(1, ...) instead.

Done.

https://codereview.chromium.org/1711963003/diff/1/src/core/SkLinearBitmapPipe...
src/core/SkLinearBitmapPipeline.cpp:44: Sk4f fours = {4.0f * dx};
On 2016/02/19 20:54:19, mtklein wrote:
> fourDX?

Done.

https://codereview.chromium.org/1711963003/diff/1/src/core/SkLinearBitmapPipe...
src/core/SkLinearBitmapPipeline.cpp:604: fFirstStage->pointSpan(SkPoint{x +
0.5f, y + 0.5f}, count - 1, count);
On 2016/02/19 20:54:19, mtklein wrote:
> // Good place for diagrams and an explanation of relationship between length
and
> count.

Done.

[herb_g, 2016-02-19 22:07:53]

The CQ bit was checked by herb@google.com

[herb_g, 2016-02-19 22:07:54]

The patchset sent to the CQ was uploaded after l-g-t-m from mtklein@google.com
Link to the patchset: https://codereview.chromium.org/1711963003/#ps20001
(title: "Address comments.")

[commit-bot: I haz the power, 2016-02-19 22:08:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1711963003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1711963003/20001

[commit-bot: I haz the power, 2016-02-19 22:39:50]

Description was changed from

==========
Add point spans, but fall back for all cases.

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

curr/maxrss     loops   min     median  mean    max     stddev  samples         
       config  bench
  10/10  MB     1       481µs   504µs   512µs   580µs   6%     
▁▁▄▆▂▃▁▁▁▁▁▁▃▇█▅▃█▃▅    nonrendering    SkBitmapFPAffineXClampYClampFilterOrig
  10/10  MB     1       2.21ms  2.31ms  2.31ms  2.53ms  4%     
▁▁▆▃▃▃▄▅▂▁▄▁█▅▁▁▄▂▆▁    nonrendering    SkBitmapFPAffineXClampYClampFilterLinr
  10/10  MB     1       2.49ms  2.63ms  2.61ms  2.78ms  4%     
▄▃▇▄▅▇▆▁▆▁▁▁▅▂▁▄▃█▆▃    nonrendering    SkBitmapFPAffineXClampYClampFiltersRGB
  10/10  MB     2       150µs   151µs   153µs   162µs   2%     
▅▇▂▂▁▁▂▂▁▁▂▂▁▁▁▁▇█▂▁    nonrendering    SkBitmapFPAffineXClampYClampNearestOrig
  10/10  MB     1       552µs   553µs   562µs   658µs   4%     
▁▁▁▁▁▁▁▁▁▄▃▁▁▁▁▁▁▁▁█    nonrendering    SkBitmapFPAffineXClampYClampNearestLinr
  10/10  MB     1       718µs   742µs   748µs   808µs   4%     
▃▃▁▁▅▁▁▁▁▃▃▃▃▇▇▇▁▁▇█    nonrendering    SkBitmapFPAffineXClampYClampNearestsRGB
  10/10  MB     1       277µs   286µs   292µs   341µs   7%     
█▁▁▁▁▁▁▁▁▁▃▂▃▃▆█▄▂▂▂    nonrendering    SkBitmapFPScaleXClampYClampFilterOrig
  10/10  MB     1       2.21ms  2.41ms  2.39ms  2.55ms  4%     
▄▆▃▅▇▂▁▁▇▅▆▅▅▆▄▅█▅▆▅    nonrendering    SkBitmapFPScaleXClampYClampFilterLinr
  10/10  MB     1       2.55ms  2.68ms  2.69ms  2.94ms  4%     
▂▃▁▁▄▄▅▅▄▃█▄▃▇▂▁▃▃▂▂    nonrendering    SkBitmapFPScaleXClampYClampFiltersRGB
  10/10  MB     4       59.9µs  60.6µs  61.6µs  71.1µs  5%     
▂▃▄▁▁▁▁█▇▁▂▁▁▁▁▁▁▁▁▁    nonrendering    SkBitmapFPScaleXClampYClampNearestOrig
  10/10  MB     1       534µs   560µs   559µs   613µs   5%     
▇▂▁▅▅▅█▅▅▃▁▁▁▁▂▄▅▁▁▁    nonrendering    SkBitmapFPScaleXClampYClampNearestLinr
  10/10  MB     1       639µs   658µs   666µs   731µs   5%     
▅█▃▂▃▇▆▁▁▁▁▁▂▁▁▁▁▄█▄    nonrendering    SkBitmapFPScaleXClampYClampNearestsRGB
  10/10  MB     4       61.6µs  65.7µs  65.5µs  70.4µs  5%     
▃▃▃█▆▆▂▂▂▅▄▄▇▄▁▂▁▄██    nonrendering    SkBitmapFPIdentityXClampYClampFilterOrig
  10/10  MB     1       2.22ms  2.34ms  2.35ms  2.57ms  3%     
▂█▅▄▃▃▃▄▂▄▄▄▂▄▁▆▃▁▄▃    nonrendering    SkBitmapFPIdentityXClampYClampFilterLinr
  10/10  MB     1       2.42ms  2.52ms  2.52ms  2.76ms  4%     
▁▁▄▂▄▄▃▅█▄▅▁▃▁▁▃▁▄▃▃    nonrendering    SkBitmapFPIdentityXClampYClampFiltersRGB
  10/10  MB     4       59.7µs  64.7µs  64.8µs  73.3µs  7%     
▂▂▄▁▂▁▁▂▁▁▆▄▆▆▇▄▆▇▂█    nonrendering   
SkBitmapFPIdentityXClampYClampNearestOrig
  10/10  MB     1       376µs   388µs   387µs   429µs   4%     
▃▃▆▁▄▄▁▃█▁▁▁▁▁▃▃▄▁▁▁    nonrendering   
SkBitmapFPIdentityXClampYClampNearestLinr
  10/10  MB     1       496µs   511µs   518µs   568µs   5%     
▂▆▆█▆▃▂▂█▇▃▁▁▁▁▁▁▁▁▁    nonrendering   
SkBitmapFPIdentityXClampYClampNearestsRGB
==========

to

==========
Add point spans, but fall back for all cases.

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

curr/maxrss     loops   min     median  mean    max     stddev  samples         
       config  bench
  10/10  MB     1       481µs   504µs   512µs   580µs   6%     
▁▁▄▆▂▃▁▁▁▁▁▁▃▇█▅▃█▃▅    nonrendering    SkBitmapFPAffineXClampYClampFilterOrig
  10/10  MB     1       2.21ms  2.31ms  2.31ms  2.53ms  4%     
▁▁▆▃▃▃▄▅▂▁▄▁█▅▁▁▄▂▆▁    nonrendering    SkBitmapFPAffineXClampYClampFilterLinr
  10/10  MB     1       2.49ms  2.63ms  2.61ms  2.78ms  4%     
▄▃▇▄▅▇▆▁▆▁▁▁▅▂▁▄▃█▆▃    nonrendering    SkBitmapFPAffineXClampYClampFiltersRGB
  10/10  MB     2       150µs   151µs   153µs   162µs   2%     
▅▇▂▂▁▁▂▂▁▁▂▂▁▁▁▁▇█▂▁    nonrendering    SkBitmapFPAffineXClampYClampNearestOrig
  10/10  MB     1       552µs   553µs   562µs   658µs   4%     
▁▁▁▁▁▁▁▁▁▄▃▁▁▁▁▁▁▁▁█    nonrendering    SkBitmapFPAffineXClampYClampNearestLinr
  10/10  MB     1       718µs   742µs   748µs   808µs   4%     
▃▃▁▁▅▁▁▁▁▃▃▃▃▇▇▇▁▁▇█    nonrendering    SkBitmapFPAffineXClampYClampNearestsRGB
  10/10  MB     1       277µs   286µs   292µs   341µs   7%     
█▁▁▁▁▁▁▁▁▁▃▂▃▃▆█▄▂▂▂    nonrendering    SkBitmapFPScaleXClampYClampFilterOrig
  10/10  MB     1       2.21ms  2.41ms  2.39ms  2.55ms  4%     
▄▆▃▅▇▂▁▁▇▅▆▅▅▆▄▅█▅▆▅    nonrendering    SkBitmapFPScaleXClampYClampFilterLinr
  10/10  MB     1       2.55ms  2.68ms  2.69ms  2.94ms  4%     
▂▃▁▁▄▄▅▅▄▃█▄▃▇▂▁▃▃▂▂    nonrendering    SkBitmapFPScaleXClampYClampFiltersRGB
  10/10  MB     4       59.9µs  60.6µs  61.6µs  71.1µs  5%     
▂▃▄▁▁▁▁█▇▁▂▁▁▁▁▁▁▁▁▁    nonrendering    SkBitmapFPScaleXClampYClampNearestOrig
  10/10  MB     1       534µs   560µs   559µs   613µs   5%     
▇▂▁▅▅▅█▅▅▃▁▁▁▁▂▄▅▁▁▁    nonrendering    SkBitmapFPScaleXClampYClampNearestLinr
  10/10  MB     1       639µs   658µs   666µs   731µs   5%     
▅█▃▂▃▇▆▁▁▁▁▁▂▁▁▁▁▄█▄    nonrendering    SkBitmapFPScaleXClampYClampNearestsRGB
  10/10  MB     4       61.6µs  65.7µs  65.5µs  70.4µs  5%     
▃▃▃█▆▆▂▂▂▅▄▄▇▄▁▂▁▄██    nonrendering    SkBitmapFPIdentityXClampYClampFilterOrig
  10/10  MB     1       2.22ms  2.34ms  2.35ms  2.57ms  3%     
▂█▅▄▃▃▃▄▂▄▄▄▂▄▁▆▃▁▄▃    nonrendering    SkBitmapFPIdentityXClampYClampFilterLinr
  10/10  MB     1       2.42ms  2.52ms  2.52ms  2.76ms  4%     
▁▁▄▂▄▄▃▅█▄▅▁▃▁▁▃▁▄▃▃    nonrendering    SkBitmapFPIdentityXClampYClampFiltersRGB
  10/10  MB     4       59.7µs  64.7µs  64.8µs  73.3µs  7%     
▂▂▄▁▂▁▁▂▁▁▆▄▆▆▇▄▆▇▂█    nonrendering   
SkBitmapFPIdentityXClampYClampNearestOrig
  10/10  MB     1       376µs   388µs   387µs   429µs   4%     
▃▃▆▁▄▄▁▃█▁▁▁▁▁▃▃▄▁▁▁    nonrendering   
SkBitmapFPIdentityXClampYClampNearestLinr
  10/10  MB     1       496µs   511µs   518µs   568µs   5%     
▂▆▆█▆▃▂▂█▇▃▁▁▁▁▁▁▁▁▁    nonrendering   
SkBitmapFPIdentityXClampYClampNearestsRGB

Committed:
https://skia.googlesource.com/skia/+/3eb4895ea1205a5a2dd1457bf67a1497a29ebc81
==========

[commit-bot: I haz the power, 2016-02-19 22:39:50]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/3eb4895ea1205a5a2dd1457bf67a1497a29ebc81