Make GrVkStencilAttachment derive form GrVkImage

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1735283004

Review URL: https://codereview.chromium.org/1735283004

Fix memory crash in vulakn writeUniformBuffers

BUG=skia:5021
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1737593005

Review URL: https://codereview.chromium.org/1737593005

Replace fWillReadFragmentPosition with a bitfield

Replaces fWillReadFragmentPosition on GrProcessor with a
"RequiredFeatures" bitfield. This will allow us to add additional
built-in features. Completely removes information about reading the
fragment position from GrPipeline and GrProcOptInfo.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1734163002

Review URL: https://codereview.chromium.org/1734163002

New GM that exercises gamma-correctness in various parts of the pipeline.

Attempts to render 50% grey through many different techniques. Only the first one (black/white dither) is guaranteed to be correct. This serves as ground-truth for all the others (independent of whatever your display may or may not be doing when viewing the output of the GM).

Current tests:
- Texture bilerp
- Texture scale (ie mipmaps)
- Simple paint color
- Gradient
- A handful of Xfer modes
- 50% grey bitmaps, both linear and sRGB
- Bitmaps wrapped in shaders, which hits a different raster code path

TODO:
- Test coverage (rather than alpha)?
- Text, Blur, etc...?

Re-landing this without the blitter selection change, which may have caused a regression. Also updated the text color so it's legible against both black (SampleApp) and white (gold).

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1740213003

Review URL: https://codereview.chromium.org/1740213003

Include glGetMultisamplefv API

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1720963002

Committed: https://skia.googlesource.com/skia/+/69c1b24bcaa7cffd59753a75a7f3d155696fcac4

Review URL: https://codereview.chromium.org/1720963002

When a surface is backed by an external render target force a copy on image snap

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1694943002

Review URL: https://codereview.chromium.org/1694943002

Add back Vk files with LF endings
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1745433002

Review URL: https://codereview.chromium.org/1745433002

Revert of New GM that exercises gamma-correctness in various parts of the pipeline. (patchset #4 id:60001 of https://codereview.chromium.org/1734983003/ )

Reason for revert:
Testing revert to fix MacMini?

Original issue's description:
> New GM that exercises gamma-correctness in various parts of the pipeline.
>
> Attempts to render 50% grey through many different techniques. Only the first one (black/white dither) is guaranteed to be correct. This serves as ground-truth for all the others (independent of whatever your display may or may not be doing when viewing the output of the GM).
>
> Current tests:
> - Texture bilerp
> - Texture scale (ie mipmaps)
> - Simple paint color
> - Gradient
> - A handful of Xfer modes
> - 50% grey bitmaps, both linear and sRGB
>
> Also includes a bug-fix for sRGB -> Linear bitmap case
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1734983003
>
> Committed: https://skia.googlesource.com/skia/+/9f73a71eec0eb54783f2dcad009aae6aafbe38d5

TBR=bsalomon@google.com,reed@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/1744533002

Remove Vk files with spurious CRLFs
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1726403007

Review URL: https://codereview.chromium.org/1726403007

Make GrRRectBlurEffect::onIsEqual include the roundrect's rect

BUG=skia:5014
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1743553003

Review URL: https://codereview.chromium.org/1743553003

Get SkiaServe Request started off with a little privacy

This CL moves the surface stuff into the request object so it
can maintain its internal state consistently

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1741823002

Review URL: https://codereview.chromium.org/1741823002

Fix oval rendering in vulkan

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1739063002

Review URL: https://codereview.chromium.org/1739063002

SkPDF/Test: detailed error messages in PDFDeflateWStreamTest

BUG=skia:5009
TBR=

Review URL: https://codereview.chromium.org/1727153005

Wire up /batches in skiaserve

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1737323002

Review URL: https://codereview.chromium.org/1737323002

Fix uniform buffer layout in vulkan

TBR=jvanverth@google.com

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1734403002

Review URL: https://codereview.chromium.org/1734403002

Add batchlist managment to GrAuditTrail

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1724243004

Review URL: https://codereview.chromium.org/1724243004

Add VkProgramDataManager back into to repo

Confirmed that this is concidered a plain ASCII file with no CR

TBR=jvanverth@google.com

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1743593002

Review URL: https://codereview.chromium.org/1743593002

New GM that exercises gamma-correctness in various parts of the pipeline.

Attempts to render 50% grey through many different techniques. Only the first one (black/white dither) is guaranteed to be correct. This serves as ground-truth for all the others (independent of whatever your display may or may not be doing when viewing the output of the GM).

Current tests:
- Texture bilerp
- Texture scale (ie mipmaps)
- Simple paint color
- Gradient
- A handful of Xfer modes
- 50% grey bitmaps, both linear and sRGB

Also includes a bug-fix for sRGB -> Linear bitmap case

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1734983003

Review URL: https://codereview.chromium.org/1734983003

Try to fix broken file by just deleting it.

Will try re uploading fixed version after.

TBR=jvanverth@google.com

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1737763003

Review URL: https://codereview.chromium.org/1737763003

Enable RAW codec for Windows

* Fix the exception catching
* Set preprocessor differently for MSVC

BUG=skia:4889(b/26958348)
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1738913002

Review URL: https://codereview.chromium.org/1738913002

add gm to illustrate bug

TBR=reed@google.com
BUG=skia:517
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1734343004

Review URL: https://codereview.chromium.org/1734343004

fix undefined signed shifts

The expression (1 << 31) is technically undefined.

Fixed the undefined shift referenced by this bug and
a few friends.

R=reed@google.com
BUG=skia:2285
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1737363002

Review URL: https://codereview.chromium.org/1737363002

Revert of Skia Filter Quality and Scaling Metrics (patchset #3 id:60001 of https://codereview.chromium.org/1686203002/ )

Reason for revert:
reverting this to address Ilya's comments.

Original issue's description:
> Skia Filter Quality and Scaling Metrics
>
> Adds histogram metrics to log the filter quality and scale factor of
> each image draw. To make the data easier to consume, this is broken
> down into a number of individual histograms:
> - Filter quality across all draw calls
> - Scale amount across all draw calls
> - Scale amount per filter quality (4 histograms total)
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1686203002
>
> Committed: https://skia.googlesource.com/skia/+/f57b3a6e4a002caf01378832cbd756c6c163a783

TBR=bsalomon@google.com,isherman@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/1735423002

SkPDF: Let client re-encode JPGs if they want to

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1734223003

Review URL: https://codereview.chromium.org/1734223003

Fix createTexture calls in vk tests

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1737343002

Review URL: https://codereview.chromium.org/1737343002

Revert of Make GrDrawContext::internalDrawPath cons up its own GrPipelineBuilder (patchset #3 id:40001 of https://codereview.chromium.org/1730903007/ )

Reason for revert:
Got a GL-related crash in nanobench:

https://uberchromegw.corp.google.com/i/client.skia.android/builders/Perf-Android-GCC-Nexus10-GPU-MaliT604-Arm7-Release/builds/3815/steps/nanobench/logs/stdio

Given we're about to branch and this is the only GL-related change in the blamelist, I'm going to assume this is responsible and revert.

Original issue's description:
> Make GrDrawContext::internalDrawPath cons up its own GrPipelineBuilder
>
> Hopefully, this better defines (and reduces) the lifetime and reuse of GrPipelineBuilder objects in GrDrawContext.
>
> TBR=bsalomon@google.com
>
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1730903007
>
> Committed: https://skia.googlesource.com/skia/+/00fddebe56fabea67dcc08762805c1294eebf5bf

TBR=joshualitt@chromium.org,bsalomon@google.com,robertphillips@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1737373002

Fix copy-paste typo in comment.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1734613005

Review URL: https://codereview.chromium.org/1734613005

4f gradient negative-dx interval fixup for kMirror_TileMode

4f intervals are meant to be monotonically increasing in X.  This means
we invert the point order when dx < 0:

  [0...1) -> (1...0]

For kMirror_TileMode, we also append a duplicate/flipped interval
sequence and expand the range to 2:

  [0...1) -> [0...1)[1...2)

When dx < 0, the current logic yields

  (1...0] -> (1...0](2...1]

which violates the interval monotonicity.

To achieve the proper order, we need to swap the two halves:

  (1...0] -> (1...0](2...1] -> (2...1](1...0]

R=reed@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1735773003

Review URL: https://codereview.chromium.org/1735773003

Make GrDrawContext::internalDrawPath cons up its own GrPipelineBuilder

Hopefully, this better defines (and reduces) the lifetime and reuse of GrPipelineBuilder objects in GrDrawContext.

TBR=bsalomon@google.com

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1730903007

Review URL: https://codereview.chromium.org/1730903007

Check scalar to fixed conversions with axes.

In SkTypeface_FreeType::Scanner::computeAxisValues, check for
out-of-range values before converting to SkFixed.

BUG=skia:4632
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1709403003

Review URL: https://codereview.chromium.org/1709403003

Fully check basis vectors for extent degeneracy.

The test for 'nearly singular matrix' in SkScalerContext::computeMatrices
is actually a check to see if anything will draw. Unfortunately, the
current test only checks when the a skew causes nothing to draw. This
adds the check for when the scale causes nothing to draw.

BUG=skia:4998
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1735613002

Review URL: https://codereview.chromium.org/1735613002

Move urlhandlers out of skiaserve.cpp

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1737643003

Review URL: https://codereview.chromium.org/1737643003

Skia Filter Quality and Scaling Metrics

Adds histogram metrics to log the filter quality and scale factor of
each image draw. To make the data easier to consume, this is broken
down into a number of individual histograms:
- Filter quality across all draw calls
- Scale amount across all draw calls
- Scale amount per filter quality (4 histograms total)

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1686203002

Review URL: https://codereview.chromium.org/1686203002

Deduplicate axis value resolving code.

The code was originally written for Android, but is now implemented
more generally by the FreeType scanner to be shared between all
FreeType backed typefaces. This removes the now duplicate code in the
Android font manager and uses the shared code instead.

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1726213004

Review URL: https://codereview.chromium.org/1726213004

Create Response namespace for skiaserve response functions

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1739763002

Review URL: https://codereview.chromium.org/1739763002

Hide GrPipelineBuilder from GrOvalRenderer

Limiting the reach of GrPipelineBuilder is always good.

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1726223008

Review URL: https://codereview.chromium.org/1726223008

Add a DM flag to limit the types of Codec decodes

When the flag "simpleCodec" is set to true, we will only decode
to the canvas colortype and to a scale of 1. No SkAndroidCodec or
BRDCodec tests are run. This makes it easier to find the simple
case when running locally.

Clean up some SkImageDecoder references along the way.
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1735743003

Review URL: https://codereview.chromium.org/1735743003

Make skpinfo able to inspect SK_PICT_TYPEFACE_TAG blocks
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1732263003

BUG=skia:4691

Review URL: https://codereview.chromium.org/1732263003

Move some methods to SkiaServe's Request, this is still very leaky

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1733813004

Review URL: https://codereview.chromium.org/1733813004

Cleanups related to SkFixed.

This CL relands https://codereview.chromium.org/1683743005/ with two fixes:
  - Removing the test for vertical text. Vertical text doesn't work on Windows and breakText isn't supported for non-trivial text.
  - Omit PaintBreakTextTest in Google3 because we don't have the correct font setup yet.

Remove SK_FixedNaN. It does not seem to be supported or used anywhere in Skia, Chromium, Android, or Google3, (except accidentally by TwoPtRadial::kDontDrawT). I think supporting it would erase any benefit of SkFixed over float.

Remove SkBitmapFilter::lookup. It does not appear to be used anywhere in Skia, Chromium, Android, or Google3.

Fix a bug in SkPaint::breakText that limited it to ~5kB of text. Now it can handle more than 1GB.

BUG=skia:4632
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1683743005

Committed: https://skia.googlesource.com/skia/+/7ea5cb18389db11a94175de95c9db2b44972630c

patch from issue 1683743005 at patchset 120001 (http://crrev.com/1683743005#ps120001)

Review URL: https://codereview.chromium.org/1739453002

Mv DRRect drawing code from GrDrawContext into SkGpuDevice

This is a TODO left over from https://codereview.chromium.org/1731413002/ (Hide GrDrawTarget from GrOvalRenderer). It is desireable since the GrDrawContext doesn't, in general, manipulate GrFragmentProcessors.

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1733993003

Review URL: https://codereview.chromium.org/1733993003

Move Request to its own file in preparation for numerous cleanups

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1738483003

Review URL: https://codereview.chromium.org/1738483003

Move Budgeted enum out of SkSurface, use in GrTextureProvider

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1728093005
DOCS_PREVIEW= https://skia.org/?cl=1728093005

Committed: https://skia.googlesource.com/skia/+/57599fe6c0336feaeeeb9b1996e77b70219b483c
CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot,Build-Mac-Clang-x86_64-Release-CMake-Trybot

Review URL: https://codereview.chromium.org/1728093005

Add stub for new method to GrVkGpu
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1736983003

Review URL: https://codereview.chromium.org/1736983003

Use kSubpixelRounding in one missed location.

The kSubpixelRounding macro was created to clarify a block of code,
but one simplification was missed.

Review URL: https://codereview.chromium.org/1733843002

use the favicon on debugger.skia.org

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1734913002

Review URL: https://codereview.chromium.org/1734913002

10.9 is no more

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1732353002

Review URL: https://codereview.chromium.org/1732353002

Revert of Move Budgeted enum out of SkSurface, use in GrTextureProvider (patchset #6 id:100001 of https://codereview.chromium.org/1728093005/ )

Reason for revert:
Need workaround for chrome to build

Original issue's description:
> Move Budgeted enum out of SkSurface, use in GrTextureProvider
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1728093005
> DOCS_PREVIEW= https://skia.org/?cl=1728093005
>
> Committed: https://skia.googlesource.com/skia/+/57599fe6c0336feaeeeb9b1996e77b70219b483c

TBR=reed@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/1734043002

Update shaderc lib and use single combined lib

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1737653002
R=jvanverth@google.com

Review URL: https://codereview.chromium.org/1737653002

Move Budgeted enum out of SkSurface, use in GrTextureProvider

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1728093005
DOCS_PREVIEW= https://skia.org/?cl=1728093005

Review URL: https://codereview.chromium.org/1728093005

Add -lrt flag for ChromeOS to enable the usage of clock_gettime. Enable RawCodec for ChromeOS

BUG=b/26813410
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1733223002

Review URL: https://codereview.chromium.org/1733223002

Implement support for using GL ES 3.0 with command buffer

Adds a new 'api': --config gpu(api=commandbuffer3) for dm/nanobench.

BUG=skia:4943
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1684413003

Review URL: https://codereview.chromium.org/1684413003

trim DM fat

 - cuts out a few fringe features like logs and notes tallies
 - moves vetos and blacklisting earlier so they're never really seen
 - many string strength reductions, either to const SkString& or const char*

CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Debug-MSAN-Trybot

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1727363004

Review URL: https://codereview.chromium.org/1727363004

Fix ~,! typo when clearing kRenderTarget flag

TBR=brucedawson@chromium.org,robertphillips@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1727413004

Review URL: https://codereview.chromium.org/1727413004 .

DM: assert we ran as many tasks as we thought we would

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1731783003

Review URL: https://codereview.chromium.org/1731783003

Unit Tests: eliminate stray SkDebugf()s.

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1733113002

Review URL: https://codereview.chromium.org/1733113002

SkPDF: fix scalar serialization

BUG=skia:4868
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1720863003

Review URL: https://codereview.chromium.org/1720863003

Add skia.conf (configuration file that supports printShaders, etc...) to .gitignore

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1734563003

Review URL: https://codereview.chromium.org/1734563003

Add 4f linear gradient benches

Plus some more regular tiling mode variations and random cleanups.

R=reed@google.com,mtklein@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1728283003

Review URL: https://codereview.chromium.org/1728283003

SkPDF/Bench: add bench for SkPDFSharedStream (deflate)

Also, simplify gyp.

BUG=skia:5009
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1730833003

Review URL: https://codereview.chromium.org/1730833003

Add wrapBackendTextureAsRenderTarget API

Skia's GrTextureProvider currently exposes two APIs for wrapping backend
objects:
 * wrapBackendTexture - wraps a texture into a GrTexture. Depending on
   flags, this GrTexture can be converted to a GrRenderTarget. Skia
   manages the render target objects it may create to provide a render
   target for the texture. This allows Skia to create stencil buffers
   if needed and manager MSAA resolves.
 * wrapBackendRenderTarget - wraps a FBO into a GrRenderTarget. This
   object cannot be converted to a GrTexture. Skia does not manage
   the render target objects for such a GrRenderTarget, and as such
   cannot attach stencil buffers or perform MSAA resolves on the
   created GrRenderTarget.

Given these two options, wrapBackendTexture provides more versatility
and allows Skia more room for optimization. Chrome currently uses
wrapBackendTexture for this reason.

While these two functions cover most cases, they do not provide a way
for Skia to wrap a texture into a render target (and gain the MSAA and
stencil buffer management), without also creating a GrTexture. This is
problematic in cases where a texture can be bound to a render target,
but cannot be textured from, as is the case in Chrome's limited support
for GL_TEXTURE_RECTANGLE.

To address this, a new function is created:
 * wrapBackendTextureAsRenderTarget - wraps a texture into a
   GrRenderTarget. As with wrapBackendTexture, the created render
   target objects are fully managed by Skia. Unlike wrapBackendTexture
   no GrTexture is created, and the created object will never be
   textured from.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1709163003

Review URL: https://codereview.chromium.org/1709163003

Hide GrDrawTarget from GrOvalRenderer

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1731413002

Review URL: https://codereview.chromium.org/1731413002

Rethink DM output

Instead of printing out each task as it finishes, or as it starts and as it finishes, periodically print out what we're up to.

Example output:
https://build.chromium.org/p/client.skia/builders/Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-Shared-Trybot/builds/6436/steps/dm/logs/stdio

BUG=skia:4978
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1730943003

Review URL: https://codereview.chromium.org/1730943003

Added a flag that forces SampleApp to continuously redraw, even in non-animated tests. Helpful when profiling or debugging.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1731853003

Review URL: https://codereview.chromium.org/1731853003

Round to nearest in ScalarTo256.

This is a followup to https://codereview.chromium.org/1693683002 per discussion on https://codereview.chromium.org/1691403002.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1723483004

Review URL: https://codereview.chromium.org/1723483004

Documentation: sync-and-gyp design document

NOTRY=true
DOCS_PREVIEW= https://skia.org/dev/design/sync-and-gyp?cl=1736483002

Review URL: https://codereview.chromium.org/1736483002

Change SkUnitScalarClampToByte to more accurate implementation.

The previous implementation was likely more efficient when SkScalar was SkFixed.

BUG=skia:4632
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1691403002

Review URL: https://codereview.chromium.org/1691403002

remove debugging printf

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1725173003

NOTRY=True
TBR=

Review URL: https://codereview.chromium.org/1725173003

SkPDF/Bench: add bench for SkPDFCreateBitmapObject

BUG=skia:5009

Review URL: https://codereview.chromium.org/1729943003

fixup GLPrograms textblob todo

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1730253002

Review URL: https://codereview.chromium.org/1730253002

fix path ops fuzz bug

If one path is empty and the other has extreme values, the
intermediate coincident paths cannot be resolved, but triggers
an assert that a data structure unexpectedly has zero-length.

Tunnel this failure back up to the top and return that the
entire path op fails.

A future optimization could detect the empty path and avoid
this, allowing the op to succeed -- not sure that it's worth
the additional logic though.

TBR=reed@google.com
BUG=535151
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1730293002

Review URL: https://codereview.chromium.org/1730293002

Turn off DM --pre_log on the bots.  Too spammy.

BUG=skia:4978
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1734703002

Review URL: https://codereview.chromium.org/1734703002

Use ARM fixes for SDF encoding.

This pulls out the encoding fixes by Joel Liang from
https://codereview.chromium.org/1643143002/
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1726763002

Review URL: https://codereview.chromium.org/1726763002

Revert of Simple cleanups related to SkFixed. (patchset #4 id:120001 of https://codereview.chromium.org/1683743005/ )

Reason for revert:
New test is failing on Windows.

Original issue's description:
> Cleanups related to SkFixed.
>
> Remove SK_FixedNaN. It does not seem to be supported or used anywhere in Skia, Chromium, Android, or Google3, (except accidentally by TwoPtRadial::kDontDrawT). I think supporting it would erase any benefit of SkFixed over float.
>
> Remove SkBitmapFilter::lookup. It does not appear to be used anywhere in Skia, Chromium, Android, or Google3.
>
> Fix a bug in SkPaint::breakText that limited it to ~5kB of text. Now it can handle more than 1GB.
>
> BUG=skia:4632
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1683743005
>
> Committed: https://skia.googlesource.com/skia/+/7ea5cb18389db11a94175de95c9db2b44972630c

TBR=mtklein@google.com,reed@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:4632

Review URL: https://codereview.chromium.org/1724283003

Revert of Include glGetMultisamplefv API (patchset #1 id:1 of https://codereview.chromium.org/1720963002/ )

Reason for revert:
This is in the blamelist for Visualbench failures:

https://build.chromium.org/p/client.skia/builders/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX660-x86_64-Release-VisualBench/builds/1035

and seems the most likely candidate for the failure, so I am tentatively reverting.

Original issue's description:
> Include glGetMultisamplefv API
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1720963002
>
> Committed: https://skia.googlesource.com/skia/+/69c1b24bcaa7cffd59753a75a7f3d155696fcac4

TBR=bsalomon@google.com,joshualitt@google.com,cdalton@nvidia.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/1731333002

extend xfermodes gm to include 3 custom modes

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1736523002

Review URL: https://codereview.chromium.org/1736523002

Ensure the Gaussian tail of circle blurs goes to zero.

Compare blurcircle GM masked so that values <255 are white and =255 are black:
https://x20web.corp.google.com/~benjaminwagner/review/1723383002/blurcircles-lt255-before.png
https://x20web.corp.google.com/~benjaminwagner/review/1723383002/blurcircles-lt255-after.png

This is a spinoff of https://codereview.chromium.org/1691403002, which was previously causing more "rectangles" in this GM.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1723383002

Review URL: https://codereview.chromium.org/1723383002

Cleanups related to SkFixed.

Remove SK_FixedNaN. It does not seem to be supported or used anywhere in Skia, Chromium, Android, or Google3, (except accidentally by TwoPtRadial::kDontDrawT). I think supporting it would erase any benefit of SkFixed over float.

Remove SkBitmapFilter::lookup. It does not appear to be used anywhere in Skia, Chromium, Android, or Google3.

Fix a bug in SkPaint::breakText that limited it to ~5kB of text. Now it can handle more than 1GB.

BUG=skia:4632
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1683743005

Review URL: https://codereview.chromium.org/1683743005

simplify/unify xferproc api

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1721223002

Review URL: https://codereview.chromium.org/1721223002

Create new GM to target translations problems in GrAtlasTextContext

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1721833005

Review URL: https://codereview.chromium.org/1721833005

Retire SkShader::kSupports4f_Flag

No longer used except in one test.

Introduce kPrefers4f_Flag instead.

R=reed@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1726983002

Review URL: https://codereview.chromium.org/1726983002

Skia schedule on skia.org

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1726253002
NOTRY=true
DOCS_PREVIEW= https://skia.org/?cl=1726253002
TBR=reed@google.com

Review URL: https://codereview.chromium.org/1726253002

Include glGetMultisamplefv API

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1720963002

Review URL: https://codereview.chromium.org/1720963002

Update 4f linear gradient selection heuristic

Use the 4f context when

  * dest type is 4f
  * there's no perpective

Keeping the define and testing flag overrides for now.

R=reed@google.com,herb@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1725793003

Review URL: https://codereview.chromium.org/1725793003

Move SkPackBits to src/effects.

Prior to this change SkPackBits.h was in include/core and SkPackBits.cpp
in src/core. However, SkPackBits appears to have been written
specifically as an implementation detail of the SkTableColorFilter
effect. This change moves SkPackBits out of core and into effects, which
is the only current user.

Review URL: https://codereview.chromium.org/1722173003

Simplify and combine SkDrawCacheProc and SkMeasureCacheProc to SkPaint::GlyphCacheProc.

All callers of (the result of) SkPaint::getDrawCacheProc were passing zero as the last two arguments. This is the same as (the result of) SkPaint::getMeasureCacheProc(true).

Per bungeman, make this typedef a member of SkPaint.

Although the typedef is technically public, the only uses are private, so this is not really an API change.

TBR=reed
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1718423002

Review URL: https://codereview.chromium.org/1718423002

Add a handler to DM to print out what was running when we crash.

This is an experiment to see if we can use something like this
rather than today's extremely verbose logging.

Now, hopefully something crashes.

BUG=skia:4978
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1725543002

Review URL: https://codereview.chromium.org/1725543002

make transformed rrect radii fit rectangle

one more case caught by 1M skps
R=herb@google.com,reed@google.com
BUG=skia:4413
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1722483003

Review URL: https://codereview.chromium.org/1722483003

Remove unnecessary GOOGLE3 ifdefs from SkRawCodec

These should be fine now that SkJpegCodec is building in GOOGLE3.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1718343002

Review URL: https://codereview.chromium.org/1718343002

Update SK_IMAGE_VERSION to 3

This includes two new test wbmps (that came from clients of BitmapFactory).

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1722263002

Review URL: https://codereview.chromium.org/1722263002

Move SkUtils.h to src/core.

Review URL: https://codereview.chromium.org/1722703003

added 'visible' attribute to skiaserve JSON
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1726663002

Review URL: https://codereview.chromium.org/1726663002

Use new API instead of the deprecated ones.

This change will allow us to remove the old API in follow up clean up.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1728553002

Review URL: https://codereview.chromium.org/1728553002

Update PIEX: Prepares support for uncompressed thumbnails

The new version of PIEX added new API for adding support to thumbnails. It also marks some old API as deprecate.

BUG=b/26894354
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1723123002

Review URL: https://codereview.chromium.org/1723123002

Turn on TURBO_HAS_CROP for Android framework

https://buganizer.corp.google.com/u/0/issues/27290496
BUG=skia:4256
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1721953002

Review URL: https://codereview.chromium.org/1721953002

Make DM failures fatal

We should now only be pushing Srcs for tests that we expect
to succeed.  So any failures should be treated as errors.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1719293002

Review URL: https://codereview.chromium.org/1719293002

Add dest type hint to SkShader::ContextRec

Let SkBlitter decide which dst type is optimal (PMColor vs PM4f), and
pass that info to shaders.

R=reed@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1724503002

Review URL: https://codereview.chromium.org/1724503002

remove unnecessary copies

these used to matter with pass-by-ref

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1721153002

Review URL: https://codereview.chromium.org/1721153002

Run no CPU benches in Debug trybots.

They seem to just be wasting time on the CQ.

Hacking this into nanobench_flags.py makes it easy to back out.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1720223002

Review URL: https://codereview.chromium.org/1720223002

Better encapsulation and vector calling convention.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1723683002

Review URL: https://codereview.chromium.org/1723683002