This will be used by the new stroke tessellator. All the other
tessellators should start chopping and chunking too. That will allow us
to quit cropping paths if we are afraid they might need more segments
than are supported.
Bug: chromium:1172543
Change-Id: I30f0ebb581f56cac099d8c05e0e181c4657c3db8
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/390096
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Simple refactor to make things reusable for the next non-hardware stroke
tessellator.
Change-Id: I0898b54a616e60f0475ac74cbd6f518e8696e0e5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/390078
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
The intent of this class was to abstract the internal linked list used
by GrStrokeTessellateOp, but it seems to just make things more
complicated. We have a need now to iterate the list with more freedom
than is offered by GrSTArenaList, so it seems best to just use a plain
C-style linked list instead.
Bug: chromium:1172543
Change-Id: Ia76be83c523bd3c285200099a529ccd3818490b6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/372656
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
The indirect tessellator can't combine overlapping, mismatched colors
because the log2 binning draws things out of order. But we can still
chain them together and generate a single long list of indirect draws.
Bug: chromium:1172543
Bug: skia:10419
Change-Id: Id7fc7488411a2a189e24cd7dd692e5c78497f498
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/370197
Reviewed-by: Brian Salomon <bsalomon@google.com>
Only adds color to the hardware tessellator. The indirect tessellator
reorders draws with is log2 binning, so we can't have different
colors.
Bug: chromium:1172543
Bug: skia:10419
Change-Id: I2a3700cd4572e8222002bfb028af05c6ec447708
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/369976
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Allows us to batch together strokes that have different SkStrokeRecs.
Bug: chromium:1172543
Bug: skia:10419
Change-Id: I11dc01e60bc17a6bb3c3b635f9edb2944a2f2edc
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/369579
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Stores it on the ResolveLevelCounter instead. This will allow
different paths to have different stroke widths.
Bug: chromium:1172543
Bug: skia:10419
Change-Id: I0ff68b7287027a22d9374826b3c57290192489bb
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/368937
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
This enforces write-only access to the mapped buffers, will enable
chaining of indirect strokes, and gives us the ability to reorder the
fields for Metal.
Bug: chromium:1172543
Bug: skia:11291
Bug: skia:10419
Change-Id: I4449ff85dd0019f6d6d6781ede52bcf26dee8b02
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/367416
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Now there is only one op to tessellate a stroke, and it creates its
own GrStrokeIndirectTessellator or GrStrokeHardwareTessellator
internally. This will allow us to dynamically switch into hardware
tessellation when we need to batch strokes that have different
parameters or colors.
Bug: chromium:1172543
Bug: skia:10419
Change-Id: I3cddb855fdbb9ab018785584497c843e3e31b75e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/366056
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
Instead we calculate these values on the fly as needed. This is
necessary for hairlines because the tessellator will operate on them
in post-transform space, which requires different tolerances than the
setup code.
Bug: skia:10419
Change-Id: Ia8ffa8858b45949521c085ccbe5712b3842f785f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/343499
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Adds a vertex shader that maps a variable-length triangle strip to a
stroke and its preceding join. Adds a new op that generates stroke
instances from a path, bins them by log2 triangle strip length (using
SIMD for the calculations), and renders them with indirect draws.
Bug: skia:10419
Change-Id: I6d52df02cffe97d14827c6d66136957f1859f53b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/339716
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
