ccpr: Add an MSAA atlas mode

Adds the option to use a multisampled (or mixed sampled) atlas, and
uses the sample mask and stencil buffer instead of coverage counts.

Bug: skia:
Change-Id: I9fb76d17895ae25208124f6c27e37977ac31b5eb
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/227428
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/ops/GrStencilAndCoverPathRenderer.cpp b/src/gpu/ops/GrStencilAndCoverPathRenderer.cpp
index 095064c..b2a4105 100644
--- a/src/gpu/ops/GrStencilAndCoverPathRenderer.cpp
+++ b/src/gpu/ops/GrStencilAndCoverPathRenderer.cpp
@@ -42,8 +42,7 @@
         args.fHasUserStencilSettings) {
         return CanDrawPath::kNo;
     }
-    if (GrAAType::kCoverage == args.fAAType &&
-        !args.fProxy->canUseMixedSamples(*args.fCaps)) {
+    if (GrAAType::kCoverage == args.fAAType && !args.fProxy->canUseMixedSamples(*args.fCaps)) {
         // We rely on a mixed sampled stencil buffer to implement coverage AA.
         return CanDrawPath::kNo;
     }