Change-Id: I864d3c2452f3affdc744bf8b11ed3b3e37d6d922
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/216602
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
With all the thinking around a stack-based interpreter,
I figured I'd sketch out some ideas for a register VM too.
I kind of have the hunch that this is the direction that
will actually let us replace large amounts of Skia's CPU
backend with an efficient interpreter or JIT.
Change-Id: Ia2b5ba4a3fc27556f5b6ba95cd1ace46d3217403
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/216665
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
In addition, inline all the small functions from
SkFontPriv.cpp.
Change-Id: I9d642aa194a3fc4d7eb451c89314892f591c5d81
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/217865
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Herb Derby <herb@google.com>
Bug: skia:
Change-Id: I8497ddbc5c5fef4e0fa87f3b9828034ba34284cc
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/217636
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Also adds flexibility to unpremul the input, clamp the output, premul the
output or not.
Also fixes SkMatrix44 as a ctype.
The intent is to reuse this for rgb->yuv conversion in async rescale and
read.
Bug: skia:3962
Change-Id: I470d1cfebdbd79d8541b633c1747d510a5549ac4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/217128
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reorganize the glyph Intercepts code to allow bulk operation.
This is just reorganizing and inlining existing code.
+ Shorten some long lines.
Change-Id: I1a01b50d94386279d3a8715a78266ee8a27547b5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/216606
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Herb Derby <herb@google.com>
This reverts commit 186a295111.
Reason for revert: Metal bots failing
Original change's description:
> Change Metal to not take ownership of objects
>
> Prior to this change, Skia/Metal interfaces take ownership of the Metal
> objects passed in (that is, the caller should count passing the object
> to Skia as "freeing" the object).
>
> Change this behavior so that Skia/Metal retains its own separate
> ownership of the Metal objects.
>
> Make GrBackendTexture and GrBackendRenderTarget maintain their own
> references to the underlying MTLTexture by using the CFRetain/CFRelease
> interfaces. Do this by adding a private GrMtlBackendSurfaceInfo.
>
> Move GrMtlBackendSurfaceInfo (formerly GrMtlTextureInfo) out of the
> union in GrBackendTexture and GrBackendRenderTarget because unions
> cannot have nontrivial constructors and destructors (how fVkInfo isn't
> causing a compile error is unclear).
>
> Change-Id: Iae3719c0715825d86503d03c766e47f0f6015bdf
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/215685
> Commit-Queue: Jim Van Verth <jvanverth@google.com>
> Reviewed-by: Jim Van Verth <jvanverth@google.com>
TBR=egdaniel@google.com,jvanverth@google.com,bsalomon@google.com,ccameron@chromium.org
# Not skipping CQ checks because original CL landed > 1 day ago.
Change-Id: Ie569fe1938857706b5413876a9480ef1eb3314ea
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/216221
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Prior to this change, Skia/Metal interfaces take ownership of the Metal
objects passed in (that is, the caller should count passing the object
to Skia as "freeing" the object).
Change this behavior so that Skia/Metal retains its own separate
ownership of the Metal objects.
Make GrBackendTexture and GrBackendRenderTarget maintain their own
references to the underlying MTLTexture by using the CFRetain/CFRelease
interfaces. Do this by adding a private GrMtlBackendSurfaceInfo.
Move GrMtlBackendSurfaceInfo (formerly GrMtlTextureInfo) out of the
union in GrBackendTexture and GrBackendRenderTarget because unions
cannot have nontrivial constructors and destructors (how fVkInfo isn't
causing a compile error is unclear).
Change-Id: Iae3719c0715825d86503d03c766e47f0f6015bdf
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/215685
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
This patch improves the straight skeleton implementation used by
GrTessellator to collapse overlap regions in the alpha gradient border.
The resulting quality improvement can be seen in the
"thinconcavepaths" GM, for example, where the coverage values of
the "thin right angle", "thin rect and triangle" and "skinny snake"
are now lower and match the raster backend more closely. It also improves
correctness, such as on the linked Chromium bugs below.
Previously, the straight skeleton was performed using the same Vertex
and Edge classes used for tessellation, but this led to fragility in
maintaining the connectivity and ordering required by those classes.
Instead, that functionality has been moved to new SSEdge and SSVertex
classes. Their construction results in alternating SSVertex and
SSEdges around the boundary of the each overlap region, shrunk by one
SSEdge as the boundary collapses.
Applying events may now also create further events (chained events),
as intersections between newly-adjacent bisectors change the structure
of the skeleton. This is always calculated from the bisectors of
original boundary, not the shrunk boundary of the straight skeleton,
which is why each SSEdge points at its originating Edge. If the edges
are parallel or near-parallel, the bisector may be infinite. This is
handled by a new flavour of create_event(), which does a Line/Line
intersection (rather than an Edge/Edge intersection) to find the
intersection between the infinite bisector and an adjacent bisector.
Several ancillary bugs were fixed: the priority queue used to represent
edge events was sorting the inner edges incorrectly. These need to be
sorted in descending not ascending order of coverage. Its implementation
was moved from Skia's TDPQueue to std::priority_queue(), which is more
flexible in specifying a comparator.
check_for_intersection()'s partner synthesis code was moved into a new
function, compute_bisector(), also used by the chained skeleton events
code.
Degenerate edges are now removed during the simplify_boundary() pass.
They were previously detected but ignored, causing incorrect inner and
outer tangents to be computed in stroke_boundary().
An fSynthetic flag was added to Vertex, in order to detect vertices
which cannot be moved by an edge collapse event (e.g., intersections
with non-boundary edges, merged vertices, straight skeleton vertices).
More raw implementation notes:
Connect straight skeleton vertices as we find them, so we don't
have to use partnering (ss_connect()).
Only disconnect edges which are still alive after event application.
Add a check for near-parallel lines in compute_bisector().
Don't use edge type to determine direction to offset for bisectors.
The winding should already include this information.
Move Event ownership to SSEdge.
If we're down to the last two edges in a skeleton, don't check for events.
Add concave_arc_and_circle GM.
Add a collapsepaths GM.
Bug: 941429, 913349, 929915, 945853
Change-Id: Ib89e231d0e8611f8735fd3592db6391da096369d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/215094
Commit-Queue: Stephen White <senorblanco@chromium.org>
Reviewed-by: Robert Phillips <robertphillips@google.com>
This partially undoes 774168efac "Allow
CCPR in DDL mode (take 2)". The issue appears to have been the use of a
not fully defined type (destructor could not be instantiated) because
the private fields were also dllexported, requiring the destructors to
exist in all translation units which included the header. Only the parts
of the class which are actually public are now marked as exported.
Change-Id: I8a79bd5d8962e94c24f7563d496744bb278153fa
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/214020
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
This reverts commit 046ecb1b5e.
Reason for revert: Flutter
Original change's description:
> remove SkMiniPicture and co.
>
> This was an optimization for Chromium that I believe is no longer
> relevant in a world of PaintOpBuffers.
>
> Change-Id: Ic7526715a0ef1c3cec387a44189b7d56d5107af5
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/213680
> Reviewed-by: Mike Reed <reed@google.com>
> Commit-Queue: Mike Klein <mtklein@google.com>
TBR=mtklein@google.com,reed@google.com,chinmaygarde@google.com
# Not skipping CQ checks because original CL landed > 1 day ago.
Change-Id: Ibf1ccee88c9ea140210cb9258ec96f9841e84c24
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/214661
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
This is implemented at backend-neutral level and so misses some
opportunities to reduce the number of passes in the GPU backend.
Filter quality is interpreted as:
none - single nearest neighbor resampling
low - chain of bilinear resamplings. 2x up/down except for one
step which may be smaller than 2x.
medium - same as low
high - when both scale factors are up then same as low but with bicubic
filtering rather than linear. Otherwise, same as low.
Bug: skia:8962
Change-Id: I4467636c14b802d6a0d9b5c363c1ad9e87a1a44b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/213831
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Change-Id: Ide69d3c9f0f02e886bd0d52723d425a548edd2e0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/214187
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Not used by anything else in the include directory, probably don't want
to accidentially expose it either.
Change-Id: I50d255e2cac43d8405305a825fd194bb36edd8fd
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/213826
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
No public headers are using it anymore, so move it from include/private
into src/core where SkTSearch.cpp resides.
Change-Id: I4499c629487ff1b8c391b44708616d67567a3e9b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/213674
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
The gpu code doesn't have a layer cache anymore to test.
Change-Id: Iec931112e5e12c90f2cad0c6012dfd1d0f14ad25
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/213665
Commit-Queue: Ben Wagner <bungeman@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
Auto-Submit: Ben Wagner <bungeman@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
This was an optimization for Chromium that I believe is no longer
relevant in a world of PaintOpBuffers.
Change-Id: Ic7526715a0ef1c3cec387a44189b7d56d5107af5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/213680
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
It's been dead code since it was inlined into Android last summer.
Change-Id: I252f6392d9436ef357f22a54bab8a33c9d1b3ea9
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/213625
Reviewed-by: Derek Sollenberger <djsollen@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
SkStrikeSpecStorage is the centralized class for creating different sets of
SkScalerContextRecs/Effects for different text rendering methods.
It is initailly called SkStrikeSpecStorage, but as a last stage will be
renamed to SkStrikeSpec as it encompasses the current functionality of
the existing SkStrikeSpec.
I'm breaking up a much larger prototype for this CL and several
following CLs. The prototype is at:
https://skia-review.googlesource.com/c/skia/+/209109
Change-Id: I617eaae6fcb4b0b29914c3f1a82c52c81d81aabe
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/212733
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Finds the (octagonal) intersection of the path's bounding octagon and
the scissor, and draws that octagon instead. This allows us to avoid
ever using the scissor when drawing paths to the main canvas. It will
also let us use that same octagon without scissor when resolving the
stencil buffer to coverage in MSAA mode.
Bug: skia:
Change-Id: Ia7fe60343424bc77532fa9919d3fa108337a5d63
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/212840
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Initial version. Current limitations: No Metal support, no color space
conversions, for each src color type only one dst color type is legal (
which may or may not be the src color type), no alpha type conversions.
Bug: skia:8962
Change-Id: I6f046a32342b8f5ffb1799d67d7ba15c250ef9bf
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/212981
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
Start out with spinlock. I tried to be more extensive, but some
of our abstractions confused the analysis. Will expand further
in following CLs.
Change-Id: I3e320c957d8ef427065a2b7e7d2187b7c6b0aef1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/213060
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Herb Derby <herb@google.com>
Encapsulates all the various code dealing with 45-degree bounding
boxes into a central GrOctoBounds class.
Bug: skia:
Change-Id: Ibc8ac4371af8f310e711579c3c77e0b3a53aff0f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/212563
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
This reverts commit 360dc593c0.
Reason for revert: Doesn't reproduce issue.
Original change's description:
> Large circle clipping gm.
>
> Seeing if this reproduces a reported problem on PowerVR devices.
>
> Bug: b/123437630
>
> Change-Id: I161cd04034cb7d217ff519a4b26e521bf36ed4b5
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/212727
> Reviewed-by: Brian Osman <brianosman@google.com>
> Commit-Queue: Brian Salomon <bsalomon@google.com>
TBR=bsalomon@google.com,brianosman@google.com
Change-Id: Ida6225513c24ba68d4744e7871cce38555dddb61
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: b/123437630
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/212964
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Seeing if this reproduces a reported problem on PowerVR devices.
Bug: b/123437630
Change-Id: I161cd04034cb7d217ff519a4b26e521bf36ed4b5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/212727
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Bug: chromium:955467
Change-Id: I1c4cae2499db926aa6b629e8d730fcc8cb45be6d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/212030
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
This is a reland of 53610832a0
Fixes conversion of size_t to int.
Original change's description:
> SkShaper JSON output with cluster visualization
>
> A simple JSON output for diagnostic purposes.
> If the run is not 1:1 code points to glyphs, then
> break the run into clusters.
>
> Change-Id: I06980e0bac2cdca8a69b5b5ba0759a021fd4eb3b
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/209740
> Commit-Queue: Herb Derby <herb@google.com>
> Reviewed-by: Julia Lavrova <jlavrova@google.com>
Change-Id: I712293c4820eb23234d64fa019d28bac8b105637
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211986
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Herb Derby <herb@google.com>
This reverts commit 53610832a0.
Reason for revert: trying to fix flutter roll
Original change's description:
> SkShaper JSON output with cluster visualization
>
> A simple JSON output for diagnostic purposes.
> If the run is not 1:1 code points to glyphs, then
> break the run into clusters.
>
> Change-Id: I06980e0bac2cdca8a69b5b5ba0759a021fd4eb3b
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/209740
> Commit-Queue: Herb Derby <herb@google.com>
> Reviewed-by: Julia Lavrova <jlavrova@google.com>
TBR=herb@google.com,jlavrova@google.com
Change-Id: I19f8e40032378a856453d059fb5dcdb2f117b75c
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211940
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
A simple JSON output for diagnostic purposes.
If the run is not 1:1 code points to glyphs, then
break the run into clusters.
Change-Id: I06980e0bac2cdca8a69b5b5ba0759a021fd4eb3b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/209740
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: Julia Lavrova <jlavrova@google.com>
Also fix the corners of clamp mode with alpha.
Also, add a GM.
Bug:chromium:957275
Change-Id: Icd288ff522e7ea70662380791f5ee2de628a5ef2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211594
Auto-Submit: Hal Canary <halcanary@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
Change-Id: I094fd08c25593a7957c3e91b330ec914a7cf86da
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211585
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Local Skia and DDL recording will always attempt to reduce opList splitting.
Android, Flutter, Google3 and non-DDL Chrome will not.
Note that this is a bit aggressive. Intermediate flushes based on memory usage have not yet been implemented.
The plan is to run this locally in Skia until the next Chrome branch and then enable it everywhere else (when intermediate flushes have been implemented).
OpList splitting reduction in Chrome is disabled in the following Chrome-side CL:
https://chromium-review.googlesource.com/c/chromium/src/+/1588756/ (Disable opList splitting reduction in Skia)
It is disabled in Android in:
https://googleplex-android-review.git.corp.google.com/c/platform/external/skia/+/7259923 (Update #defines to suppress Ganesh features in SkUserConfigManual.h)
It is disabled in Flutter and Google3 w/in this CL.
Change-Id: I59ff448d2c42629fab6cffccb2894d030c73431d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211101
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
- Moves the pretty-printer and line-by-line printer into a new GrShaderUtils.
- Maintain strings as SkSL::String longer, to avoid possibly re-converting
from char* when we need to print them.
- GL shader compilation doesn't need the SkSL settings, so stop plumbing that.
- Converting SkSL to GLSL was taking the GL enum to specify the kind of shader,
but only used it to convert to a SkSL::Program::Kind. Just take that. To make
this simpler, move the GLSL printing code into that function, clumped with
the SkSL printing code. Reuse that banner printer in GrGLPrintShader, too.
Change-Id: I4536547604612a6fa1596e5a8e97f6322e12a1fb
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211583
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Bug: skia:9028
Change-Id: I8e3d37050d3fce7602eee62ae911eae756e603a2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211100
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
There is still a bit of manual mucking about with iwyu output to get
things nice, but the checker seems to be doing ok and the process is now
a bit easier. Will see how it goes.
This also pointed out the amount of code behind ifdefs should be
minimized by using the build system and 'constexpr if' when possible.
Change-Id: Ic63fa33c65e5ff40b58858e15fc51f27d862e20d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211349
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
This reverts commit 8413ff13fe.
Reason for revert: turns out that's not true. It's how we pick the right Vulkan headers.
Original change's description:
> SKIA_IMPLEMENTATION is only relevant in shared builds
>
> Change-Id: If4ce780a74d59e5ec5c9d950a560527d4de7e030
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/210130
> Commit-Queue: Brian Osman <brianosman@google.com>
> Auto-Submit: Mike Klein <mtklein@google.com>
> Reviewed-by: Brian Osman <brianosman@google.com>
TBR=mtklein@google.com,halcanary@google.com,brianosman@google.com
# Not skipping CQ checks because original CL landed > 1 day ago.
Change-Id: I35fc5458930254597279875125bb392af4b8e74c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211092
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Caches MTLSamplerStates and MTLDepthStencilStates.
Bug: skia:8243
Change-Id: Id362507caedb3453b53d17f77dfbcee42ec52578
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/209811
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
This should have very little impact until we enable opList-splitting-reduction.
Change-Id: Iacc3d1b34c390b65b5ee185bcbdd118d5023aaa7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/210630
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
Change-Id: If4ce780a74d59e5ec5c9d950a560527d4de7e030
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/210130
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: Mike Klein <mtklein@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Current strategy: everything from the top
Things to look at first are the manual changes:
- added tools/rewrite_includes.py
- removed -Idirectives from BUILD.gn
- various compile.sh simplifications
- tweak tools/embed_resources.py
- update gn/find_headers.py to write paths from the top
- update gn/gn_to_bp.py SkUserConfig.h layout
so that #include "include/config/SkUserConfig.h" always
gets the header we want.
No-Presubmit: true
Change-Id: I73a4b181654e0e38d229bc456c0d0854bae3363e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/209706
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
Most external users complain about -Werror,
and I've heard anecdotally that devs find it annoying too.
This turns it off by default, but keeps it on the bots.
Change-Id: I6e87c92215261ebf6e961f816177386d5d58f28e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/209787
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
