SkImage-backed SkPictureShader

SkImage-backed SkPictureShader

Instead of using an explicit image generator + SkBitmap + bitmap shader,
switch to the shiny new SkImage/image generator/image shader.

R=reed@google.com

Committed: https://skia.googlesource.com/skia/+/97be9a0c86eedd8ab85ae7d9aaccb0b0a8e4577d

[f(malita), 2015-09-18 17:20:03]

The CQ bit was checked by fmalita@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-09-18 17:20:10]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1343153003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1343153003/1

[commit-bot: I haz the power, 2015-09-18 17:26:20]

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

[commit-bot: I haz the power, 2015-09-18 17:26:21]

Dry run: This issue passed the CQ dry run.

[f(malita), 2015-09-18 17:40:10]

The CQ bit was checked by fmalita@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-09-18 17:40:26]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1343153003/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1343153003/40001

[commit-bot: I haz the power, 2015-09-18 17:41:17]

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

[commit-bot: I haz the power, 2015-09-18 17:41:18]

Dry run: Try jobs failed on following builders:
  Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Debug-Trybot on client.skia (JOB_FAILED,
http://build.chromium.org/p/client.skia/builders/Test-Ubuntu-GCC-GCE-CPU-AVX2...)
  Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-Shared-Trybot on client.skia
(JOB_FAILED,
http://build.chromium.org/p/client.skia/builders/Test-Ubuntu-GCC-GCE-CPU-AVX2...)
  Build-Ubuntu-Clang-x86_64-Debug-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-Clang-x...)
  Build-Ubuntu-GCC-Arm7-Debug-Android-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-GCC-Arm...)
  Build-Ubuntu-GCC-Mips-Debug-Android-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-GCC-Mip...)
  Build-Ubuntu-GCC-x86_64-Release-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-GCC-x86...)

[reed1, 2015-09-18 18:02:36]

lgtm 

Perhaps in the future we can investigate some way to defer the "image" size
until we have to spin-out the shader-context, when we actually know the CTM.
Perhaps this would be dumb too, just a throught

[f(malita), 2015-09-25 16:18:03]

The CQ bit was checked by fmalita@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-09-25 16:18:18]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1343153003/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1343153003/40001

[commit-bot: I haz the power, 2015-09-25 16:19:04]

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

[commit-bot: I haz the power, 2015-09-25 16:19:05]

Dry run: Try jobs failed on following builders:
  Build-Ubuntu-Clang-x86_64-Debug-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-Clang-x...)
  Build-Ubuntu-GCC-Arm64-Debug-Android-Trybot on client.skia.compile
(JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-GCC-Arm...)
  Build-Ubuntu-GCC-Arm7-Debug-Android-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-GCC-Arm...)
  Build-Ubuntu-GCC-Mips-Debug-Android-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-GCC-Mip...)
  Build-Ubuntu-GCC-x86_64-Release-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-GCC-x86...)

[f(malita), 2015-09-25 21:59:39]

The CQ bit was checked by fmalita@chromium.org

[f(malita), 2015-09-25 21:59:40]

The patchset sent to the CQ was uploaded after l-g-t-m from reed@google.com
Link to the patchset: https://codereview.chromium.org/1343153003/#ps60001
(title: "rebased")

[commit-bot: I haz the power, 2015-09-25 21:59:49]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1343153003/60001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1343153003/60001

[commit-bot: I haz the power, 2015-09-25 22:04:49]

Committed patchset #4 (id:60001) as
https://skia.googlesource.com/skia/+/97be9a0c86eedd8ab85ae7d9aaccb0b0a8e4577d

[robertphillips, 2015-09-28 16:32:31]

A revert of this CL (patchset #4 id:60001) has been created in
https://codereview.chromium.org/1374763003/ by robertphillips@google.com.

The reason for reverting is: This CL appears to be breaking the pictureshader,
pictureshadertile and tiled_picture_shader GMs on the iPad4 and the N7. The
artifact is black rectangles..