Tweak distance field path renderer behavior in gamma-correct mode

src/gpu/GrClipMaskManager.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 "GrClipMaskManager.h"
 #include "GrCaps.h"
 #include "GrDrawingManager.h"
@@ skipping 838 matching lines @@
 
                             GrPathRenderer::DrawPathArgs args;
                             args.fTarget = fDrawTarget;
                             args.fResourceProvider = this->getContext()->resourceProvider();
                             args.fPipelineBuilder = &pipelineBuilder;
                             args.fColor = GrColor_WHITE;
                             args.fViewMatrix = &viewMatrix;
                             args.fPath = &clipPath;
                             args.fStroke = &stroke;
                             args.fAntiAlias = false;
+                            args.fGammaCorrect = false;
                             pr->drawPath(args);
                         } else {
                             GrPathRenderer::StencilPathArgs args;
                             args.fTarget = fDrawTarget;
                             args.fResourceProvider = this->getContext()->resourceProvider();
                             args.fPipelineBuilder = &pipelineBuilder;
                             args.fViewMatrix = &viewMatrix;
                             args.fPath = &clipPath;
                             args.fStroke = &stroke;
                             pr->stencilPath(args);
@@ skipping 15 matching lines @@
                     } else {
                         GrPathRenderer::DrawPathArgs args;
                         args.fTarget = fDrawTarget;
                         args.fResourceProvider = this->getContext()->resourceProvider();
                         args.fPipelineBuilder = &pipelineBuilder;
                         args.fColor = GrColor_WHITE;
                         args.fViewMatrix = &viewMatrix;
                         args.fPath = &clipPath;
                         args.fStroke = &stroke;
                         args.fAntiAlias = false;
+                        args.fGammaCorrect = false;
                         pr->drawPath(args);
                     }
                 } else {
                     // The view matrix is setup to do clip space -> stencil space translation, so
                     // draw rect in clip space.
                     draw_non_aa_rect(fDrawTarget, pipelineBuilder, GrColor_WHITE, viewMatrix,
                                      SkRect::Make(clipSpaceIBounds));
                 }
             }
         }
@@ skipping 250 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 
 void GrClipMaskManager::adjustPathStencilParams(const GrStencilAttachment* stencilAttachment,
                                                 GrStencilSettings* settings) {
     if (stencilAttachment) {
         int stencilBits = stencilAttachment->bits();
         this->adjustStencilParams(settings, fClipMode, stencilBits);
     }
 }