GrQuadEffect and GrConicEffect were the only FPs that supported the
HairlineAA clip-edge type. These FPs have been updated to implicitly
always use HairlineAA, and other FPs no longer need to consider the
HairlineAA case.
This CL also updates the bezier-effects GM images to remove the non-
hairline test columns.
Change-Id: Ice942106344cf48480e972da4aab1c6055f9911e
Bug: skia:10393
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/297019
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
This CL is interesting bc the AAHairlineOp is the first one that requires multiple programInfos.
Correspondingly, it is also the first one that shares a pipeline between said multiple programInfos.
Bug: skia:9455
Change-Id: I2369abbdeaf4eac2bc9547ad36631beba29bd641
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/277203
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
Everyone is responsible to set up their own scissor and textures now.
Change-Id: Ic3547f00c0e7908409631951de4b7237b9bce23b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/277177
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
This CL moves the boiler-plate implementation of onPrePrepareDraws up to GrMeshDrawOp. This, unfortunately, required the addition of a 'programInfo' virtual but that may go away in the future.
The only GrMeshDrawOp-derived classes left are:
AAHairlineOp - which has 3 programInfos
AAFlatteningConvexPathOp - which has >=1 mesh (but just 1 programInfo)
GrAtlasTextOp - which has inline uploads
SmallPathOp - which, maybe, has inline uploads
TextureOp - which has chaining
Bug: skia:9455
Change-Id: Id10f70e764054134751545ad38b99f0a0778de76
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/276642
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
This CL:
Renames the existing createProgramInfo method to onCreateProgramInfo and makes it a virtual on GrMeshDrawOp
Moves the non-virtual createProgramInfo (helper) calls to GrMeshDrawOp
Changes onCreateProgramInfo to not return a ProgramInfo*. This is setting up to handle ops that create >1 programInfo (e.g., AAHairlineOp)
This CL leaves the following 8 ops in need of an onCreateProgramInfo implementation:
AAHairlineOp
AAFlatteningConvexPathOp
GrAtlasTextOp
GrShadowRRectOp
SmallPathOp
GrTextureOp
PrimitiveProcessorTest::Op
VertexColorSpaceBench::Op
Bug: skia:9455
Change-Id: Id7e2b8a40cac86ede6bf3c0e544da5500ff47d8a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/276403
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
This CL also incidentally adds:
1) a GrMeshDrawOp::Target 'outputView' virtual and switches GrOpFlushState over to overriding it.
2) a createProgramInfo helper to GrSimpleMeshDrawOpHelper
Bug: skia:9455
Change-Id: I88ce51c585b1458ee79a9aaa7024190e9f19198c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/274506
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
This reverts commit d3606518fa.
Reason for revert: DDL3 bots are red
Original change's description:
> Add onPrePrepareDraws & createProgramInfo methods to GrDrawVerticesOp
>
> This CL also incidentally adds:
>
> 1) a GrMeshDrawOp::Target 'outputView' virtual and switches GrOpFlushState over to overriding it.
>
> 2) a createProgramInfo helper to GrSimpleMeshDrawOpHelper
>
> Bug: skia:9455
> Change-Id: Iecd712d3ac76038651bd2e0512134e310930d527
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/274551
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> Commit-Queue: Robert Phillips <robertphillips@google.com>
TBR=egdaniel@google.com,robertphillips@google.com
Change-Id: I6e44ba3bc47df27479af9344af946e27f0a2e937
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:9455
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/274505
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
This CL also incidentally adds:
1) a GrMeshDrawOp::Target 'outputView' virtual and switches GrOpFlushState over to overriding it.
2) a createProgramInfo helper to GrSimpleMeshDrawOpHelper
Bug: skia:9455
Change-Id: Iecd712d3ac76038651bd2e0512134e310930d527
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/274551
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
Each such op now has a base createProgramInfo method along with a helper version that just takes a flushState.
This CL also makes GrSimpleMeshDrawOpHelper::CreateProgramInfo a chokepoint for programInfo allocation.
Bug: skia:9455
Change-Id: Ibbf0e9cd6f24453e1b87a5e072a30248811a1237
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/274054
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
This helper method can be used by the MeshDrawOps to (pre-)create their GrProgramInfos.
Bug: skia:9455
Change-Id: I41b7c2aefc0f633a1d32996c7f0cce3d11f8fcb1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/273815
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
Change-Id: I47ac0b069334cb9702473b1bb923f585712f38ce
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/261087
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
This is a first step towards pulling the creation of the GrProgramInfos explicitly into the Ops' onExecute methods. We need this behavior so programInfo creation can be moved forward to onPrePrepare.
For now, pipeline creation is a static member on GrSimpleMeshDrawOpHelper so GrPipeline creation can be bottle-neckedOps for Ops that don't use the helper. In some future world CreatePipeline could become non-static to reduce some of the duplicate code.
Bug: skia:9455
Change-Id: I2d35dd223db824e84616f5df0f1dca34c1b6e412
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/258003
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
It was disconcerting to have these change radically when I changed the code flow in another CL.
Change-Id: Ifd4c1be454e3f9291fa05f040545c95fa20be58a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/255822
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
This CL is 100% plumbing. We ultimately want all GrPrimitiveProcessor-derived objects to not be refCounted. This will make several helper objects POD and, by putting them into an arena, will make managing their lifetime easier (e.g., for DDL prePreparing).
Note: the CCPR GrGeometryProcessor-derived classes only ever appear on the stack so aren't forced into arenas.
Bug: skia:9455
Change-Id: Ib9be503d2fbf8c2578642df93fc301156629829d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/255304
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
From now on, sample counts always refer to the number of actual color
samples, and render targets don't have separate color and stencil
sample counts.
If mixed samples support is available when making a
"GrAAType::kCoverage" draw, then an op may attach and use a mixed
sampled stencil buffer internally. But this will all be invisible to
the client.
After this CL, we temporarily won't have a mode to use nvpr with mixed
samples. That will soon be fixed by a follow-on CL that enables nvpr
with mixed samples in the normal "gl" and "gles" configs.
Bug: skia:
Change-Id: I1cb8277f0d2d0d371f24bb9f39cd473ed5c5c83b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/221878
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
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>
We are planning to start detecting mipmaps and MSAA resolves during
the "gather" step now, so all visits should behave the same at this
point. (And it appears there might not have been any GrOps that
actually changed their behavior based on this flag at the moment.)
Bug: skia:
Change-Id: I7a7a1c9c47cbe03683c42025bf6d0ecb32a57ba1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/215145
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Change-Id: I34ded4a4b9c4600eaf801eec121ca851e04a6c23
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211586
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Herb Derby <herb@google.com>
Reviewed-by: Mike Klein <mtklein@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>
sk_tool_utils doesn't really fit the naming convention
the rest of code under tools/ tends to use.
Change-Id: I45326a174101c6eb4b6149e9c742f658f2fd23b1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202313
Auto-Submit: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Previously, we relied on ops to deduce whether a draw would have
hardware coverage modulation as a result mixed samples. This is
problematic because *any* draw can have mixed samples coverage if
there is a multisampled stencil clip. No ops were checking for stencil
clip, and most just said they never used mixed samples.
Now that the only usecase for mixed samples is the stencil buffer,
this CL makes the processorSet automatically deduce mixed samples
coverage from the stencil settings and fsaaType.
Bug: skia:
Change-Id: Ib69b84bc03b12f6efb8e7d6ed721ae1612785315
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/197281
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
This is a reland of dfe5000a5f
Original change's description:
> Stack-allocate pipelines for GrMeshDrawOp
>
> Stack-allocates the pipelines in onExecute. This saves us from having
> to store the pipelines on the heap, as well as delaying the need to
> detach processors until onExecute. The delay is an improvement because
> it allows us to keep visiting proxies after onPrepare. (Previously,
> they were moved out of GrProcessorSet and into a pipeline during
> onPrepare, so visiting proxies was impossible after that point.)
>
> Bug: skia:8731
> Change-Id: Idc05063fb0dfbfed42b434e429fa5a497097bdae
> Reviewed-on: https://skia-review.googlesource.com/c/193368
> Commit-Queue: Chris Dalton <csmartdalton@google.com>
> Reviewed-by: Robert Phillips <robertphillips@google.com>
TBR=robertphillips@google.com
Bug: skia:8731
Change-Id: I32def1a35bb0593470fa672691a9e697dc6d9680
Reviewed-on: https://skia-review.googlesource.com/c/195261
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
This reverts commit dfe5000a5f.
Reason for revert: HWAA pipeline flag not getting set for dashing.
Original change's description:
> Stack-allocate pipelines for GrMeshDrawOp
>
> Stack-allocates the pipelines in onExecute. This saves us from having
> to store the pipelines on the heap, as well as delaying the need to
> detach processors until onExecute. The delay is an improvement because
> it allows us to keep visiting proxies after onPrepare. (Previously,
> they were moved out of GrProcessorSet and into a pipeline during
> onPrepare, so visiting proxies was impossible after that point.)
>
> Bug: skia:8731
> Change-Id: Idc05063fb0dfbfed42b434e429fa5a497097bdae
> Reviewed-on: https://skia-review.googlesource.com/c/193368
> Commit-Queue: Chris Dalton <csmartdalton@google.com>
> Reviewed-by: Robert Phillips <robertphillips@google.com>
TBR=robertphillips@google.com,csmartdalton@google.com
Change-Id: If706f19423310846de70288f393ac12f17ffeee5
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:8731
Reviewed-on: https://skia-review.googlesource.com/c/195161
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Stack-allocates the pipelines in onExecute. This saves us from having
to store the pipelines on the heap, as well as delaying the need to
detach processors until onExecute. The delay is an improvement because
it allows us to keep visiting proxies after onPrepare. (Previously,
they were moved out of GrProcessorSet and into a pipeline during
onPrepare, so visiting proxies was impossible after that point.)
Bug: skia:8731
Change-Id: Idc05063fb0dfbfed42b434e429fa5a497097bdae
Reviewed-on: https://skia-review.googlesource.com/c/193368
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
This is a reland of f5efa78902
Original change's description:
> Add a GpuGM class for GPU-only tests
>
> Bug: skia:8731
> Change-Id: Ic81f21621c0183bb356601eb663fa1ee334bca55
> Reviewed-on: https://skia-review.googlesource.com/c/189134
> Reviewed-by: Brian Osman <brianosman@google.com>
> Reviewed-by: Mike Klein <mtklein@google.com>
> Commit-Queue: Chris Dalton <csmartdalton@google.com>
TBR=mtklein@google.com
Bug: skia:8731
Change-Id: Ia322d7e9280b67ebea1edbefc820cae72cd9c3a6
Reviewed-on: https://skia-review.googlesource.com/c/190148
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Bug: skia:8731
Change-Id: Ic81f21621c0183bb356601eb663fa1ee334bca55
Reviewed-on: https://skia-review.googlesource.com/c/189134
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Mechanical. This makes the priv() accessor the same for all the context types.
Change-Id: I40850eb05a33b8d7cc3eabdd42226d24b2ba58aa
Reviewed-on: https://skia-review.googlesource.com/c/189164
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
The function is inlined - the compiler can do whatever optimizations it
wants at each call-site. In the future, stride and uvOffset won't be
static (with optional wide colors), so this is required anyway.
Also, the pointer being passed in is never const, so stop cleverly
casting away the const-ness via reinterpret into and out of intptr_t.
Bug: skia:
Change-Id: I404c418a01d70ac77667ba89338940b086922dc6
Reviewed-on: https://skia-review.googlesource.com/c/179988
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Adds setVertexAttributes and setInstanceAttributes. These take a pointer
to the first attribute, and a count. The count is the total number of
possible attributes, though some may not be initialized. The base class
computes the number of initialized attributes, pre-computes the strides,
and only allows subsequent access to the initialized attributes.
The attributes need to be allocated contiguously. Some GPs place them in
an array, though most just place them as consecutive members, and pass
a pointer to the first one.
Indexed access would be possible, but now it makes more sense to iterate
over all attributes, so enable that, and use range-based for everywhere.
Completely remove the per-attribute offset helper (again - possible, but
not real helpful), and make the stride always available. In many ops,
just use the GP's computed stride, rather than re-computing it.
Bug: skia:
Change-Id: Ie4cccb7969a98ee5a10b373e714fbd702e875b3e
Reviewed-on: https://skia-review.googlesource.com/c/169241
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Bug: skia:
Change-Id: I47e4b1e96905e27aed78cc317d0b7f263b8cf25a
Reviewed-on: https://skia-review.googlesource.com/c/166760
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
- Mechanical replacement of GrColor4h (used throughout Ops) with
SkPMColor4f.
- API adaptation (to/FromGrColor -> to/From_BytesRGBA).
- Complete removal of FromFloats (source was already SkPMColor4f),
and toFloats (setting uniforms can directly access .vec()).
Bug: skia:
Change-Id: I37eece1fa7ed2545dc6843e840d4cc3c60f19747
Reviewed-on: https://skia-review.googlesource.com/c/166620
Reviewed-by: Mike Klein <mtklein@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Bug: skia:
Change-Id: I8486d0631e4723f1a457a607bc21abd2581133d8
Reviewed-on: https://skia-review.googlesource.com/c/166562
Commit-Queue: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
Auto-Submit: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
We still degrade to bytes when creating vertices (tagged TODO4F).
Note: Guarded for Chrome (by making GrColor4h a wrapper around
GrColor).
Bug: skia:
Change-Id: Id8a1d9eec7978d52b059cd9952666bc1217ee073
Reviewed-on: https://skia-review.googlesource.com/c/165527
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
are not recyclable.
Change-Id: I5ff9c48b3d7b37531a3f052bd5188a8afcacf3cb
Reviewed-on: https://skia-review.googlesource.com/c/161860
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Centralize the calculation to SkGlyphCacheCommon. This allows this
function to be used with NO_GPU.
In addition, this was used in the last remaining function in GrTest.
That function was used in a single place. I made the function a static
and remove GrTest.h. This had massive knock-on effects.
Change-Id: I80f874a988f9af4383a83acf7c273d23b8d67c22
Reviewed-on: https://skia-review.googlesource.com/151480
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Herb Derby <herb@google.com>
This reverts commit fdf05f4ff4.
Reason for revert: Android fixed after removing multitexture support from TextureOp.
Original change's description:
> Revert "Move GrGeometryProcessor's textures out of classes and into"
>
> This reverts commit af87483873.
>
> Revert "GrGeometryProcessor derives from GrNonAtomicRef not GrProgramElement."
>
> This reverts commit 607be37e3d.
>
> Revert "Store GrMeshDrawOps' meshes in GrOpFlushState's arena."
>
> This reverts commit b948572c78.
>
> Revert "Remove multitexturing support from GrTextureOp."
>
> This reverts commit 986f64c601.
>
> Revert "Make result of GrOp::combineIfPossible be an enum."
>
> This reverts commit 641ac7daa8.
>
> Bug: b/112244393
> Change-Id: I579491a3f2f2f2093f1e2a6141fa1e4cc7b760a4
> Reviewed-on: https://skia-review.googlesource.com/145646
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Brian Salomon <bsalomon@google.com>
TBR=bsalomon@google.com
Change-Id: I1d41c2ecf7862e31fb025a7a00bb07bae9d83a47
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: b/112244393
Reviewed-on: https://skia-review.googlesource.com/145780
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
This reverts commit af87483873.
Revert "GrGeometryProcessor derives from GrNonAtomicRef not GrProgramElement."
This reverts commit 607be37e3d.
Revert "Store GrMeshDrawOps' meshes in GrOpFlushState's arena."
This reverts commit b948572c78.
Revert "Remove multitexturing support from GrTextureOp."
This reverts commit 986f64c601.
Revert "Make result of GrOp::combineIfPossible be an enum."
This reverts commit 641ac7daa8.
Bug: b/112244393
Change-Id: I579491a3f2f2f2093f1e2a6141fa1e4cc7b760a4
Reviewed-on: https://skia-review.googlesource.com/145646
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
This is to prepare for a third value that requests that ops be linked
together so that the first op may do the work for multiple linked ops
without actually merging the GrOp objects.
Change-Id: Ib6e012a89be5edd054aee69d8475bea612331852
Reviewed-on: https://skia-review.googlesource.com/145522
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Auto-Submit: Brian Salomon <bsalomon@google.com>
Remove late draw consolidation in GrOpFlushState. Rarely did anything
and doesn't work with new allocation strategy. Ops can use GrMesh arrays
to acheive the same thing. (Each Op that cared to would have to implement
but it isn't applicable to most Ops).
Modify GrMeshDrawOp::Target::draw() to take array of meshes, with single
mesh as a special case.
Change-Id: I552677de47b9ffd2fcaf55af85f70f290e5aa9c7
Reviewed-on: https://skia-review.googlesource.com/145426
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
It probably doesn't need to be ref counted at all and should be stored
in GrOpFlushState's arena but that's a larger change for another day.
Change-Id: I5f593fb426b8e7794f2ca81194f5a8d9e0f0a072
Reviewed-on: https://skia-review.googlesource.com/145332
Auto-Submit: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Pins out-of-range solutions for cubic/quad max curvature instead of
throwing them out. Code that wants to know the endpoint(s) closest to
max curvature now has the information. Code not interested in these
values can just ignore 0 and 1.
Bug: skia:
Change-Id: I8e7e2ef236b4ab963865dc049ac3e09d5396757d
Reviewed-on: https://skia-review.googlesource.com/143041
Reviewed-by: Cary Clark <caryclark@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
