Mark SkPaths created by GrContext fallback draw logic as volatile

src/gpu/GrPath.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrPath.h"
 
 namespace {
@@ skipping 44 matching lines @@
 }
 
 // Encodes the full path data to the unique key for very small, volatile paths. This is typically
 // hit when clipping stencils the clip stack. Intention is that this handles rects too, since
 // SkPath::isRect seems to do non-trivial amount of work.
 inline static bool compute_key_for_simple_path(const SkPath& path, const GrStrokeInfo& stroke,
                                                GrUniqueKey* key) {
     if (!path.isVolatile()) {
         return false;
     }
-
     // The check below should take care of negative values casted positive.
     const int verbCnt = path.countVerbs();
     if (verbCnt > kSimpleVolatilePathVerbLimit) {
         return false;
     }
 
     // If somebody goes wild with the constant, it might cause an overflow.
     SK_COMPILE_ASSERT(kSimpleVolatilePathVerbLimit <= 100,
                       big_simple_volatile_path_verb_limit_may_cause_overflow);
 
@@ skipping 89 matching lines @@
 
     if (compute_key_for_simple_path(path, stroke, key)) {
         *outIsVolatile = false;
         return;
     }
 
     compute_key_for_general_path(path, stroke, key);
     *outIsVolatile = path.isVolatile();
 }