Add an implementation and log2 variants for Wang's formula
Wang's formulas for cubics and quadratics (1985) tell us how many line
segments a curve must be chopped into when tessellating. This CL adds
an implementation along with optimized log2 variants, as well as tests
and a benchmark.
Change-Id: I3f777b8d0312c57c3a1cc24307de5945c70be287
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/288321
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
6 files changed