Implement caching in the tessellating path renderer, including strokes.

src/gpu/GrPathRenderer.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrPathRenderer_DEFINED
 #define GrPathRenderer_DEFINED
@@ skipping 126 matching lines @@
      */
     struct DrawPathArgs {
         GrDrawTarget*               fTarget;
         GrResourceProvider*         fResourceProvider;
         GrPipelineBuilder*          fPipelineBuilder;
         GrColor                     fColor;
         const SkMatrix*             fViewMatrix;
         const SkPath*               fPath;
         const GrStrokeInfo*         fStroke;
         bool                        fAntiAlias;
+        const SkPath*               fOrigSrcPath;
+        const GrStrokeInfo*         fOrigStrokeInfo;
     };
 
     /**
      * Draws the path into the draw target. If getStencilSupport() would return kNoRestriction then
      * the subclass must respect the stencil settings of the GrPipelineBuilder.
      */
     bool drawPath(const DrawPathArgs& args) {
         SkASSERT(args.fTarget);
         SkASSERT(args.fPipelineBuilder);
         SkASSERT(args.fViewMatrix);
@@ skipping 126 matching lines @@
         args.fPipelineBuilder->setDisableColorXPFactory();
         DrawPathArgs drawArgs;
         drawArgs.fTarget = args.fTarget;
         drawArgs.fResourceProvider = args.fResourceProvider;
         drawArgs.fPipelineBuilder = args.fPipelineBuilder;
         drawArgs.fColor = 0xFFFFFFFF;
         drawArgs.fViewMatrix = args.fViewMatrix;
         drawArgs.fPath = args.fPath;
         drawArgs.fStroke = args.fStroke;
         drawArgs.fAntiAlias = false;
+        drawArgs.fOrigSrcPath = nullptr;
+        drawArgs.fOrigStrokeInfo = nullptr;
         this->drawPath(drawArgs);
     }
 
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif