Allow batching of coverage and non-coverage GrTextureOps.

Fall back to simpler tessellation for quads with no AA. In perspective
op only fall back when an individual quad is both non-aa and non-
perspective.

Change-Id: I0caadfe47a007c591f67f18753150ca23b43423b
Reviewed-on: https://skia-review.googlesource.com/c/161642
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
1 file changed