added support for PLS path rendering

src/gpu/batches/GrNonAAStrokeRectBatch.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrNonAAStrokeRectBatch.h"
 
 #include "GrBatchTest.h"
@@ skipping 42 matching lines @@
     }
 
     const char* name() const override { return "GrStrokeRectBatch"; }
 
     void computePipelineOptimizations(GrInitInvariantOutput* color, 
                                       GrInitInvariantOutput* coverage,
                                       GrBatchToXPOverrides* overrides) const override {
         // When this is called on a batch, there is only one geometry bundle
         color->setKnownFourComponents(fGeoData[0].fColor);
         coverage->setKnownSingleComponent(0xff);
-        overrides->fUsePLSDstRead = false;
     }
 
     void append(GrColor color, const SkMatrix& viewMatrix, const SkRect& rect,
                 SkScalar strokeWidth) {
         Geometry& geometry = fGeoData.push_back();
         geometry.fViewMatrix = viewMatrix;
         geometry.fRect = rect;
         geometry.fStrokeWidth = strokeWidth;
         geometry.fColor = color;
 
@@ skipping 171 matching lines @@
 DRAW_BATCH_TEST_DEFINE(NonAAStrokeRectBatch) {
     SkMatrix viewMatrix = GrTest::TestMatrix(random);
     GrColor color = GrRandomColor(random);
     SkRect rect = GrTest::TestRect(random);
     SkScalar strokeWidth = random->nextBool() ? 0.0f : 1.0f;
 
     return GrNonAAStrokeRectBatch::Create(color, viewMatrix, rect, strokeWidth, random->nextBool());
 }
 
 #endif