XPFactory lazily initializie in drawstate / GrPaint

src/effects/SkGpuBlurUtils.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkGpuBlurUtils.h"
 
 #include "SkRect.h"
@@ skipping 35 matching lines @@
 static void convolve_gaussian_1d(GrContext* context,
                                  const SkRect& srcRect,
                                  const SkRect& dstRect,
                                  GrTexture* texture,
                                  Gr1DKernelEffect::Direction direction,
                                  int radius,
                                  float sigma,
                                  bool useBounds,
                                  float bounds[2]) {
     GrPaint paint;
-    paint.reset();
     SkAutoTUnref<GrFragmentProcessor> conv(GrConvolutionEffect::CreateGaussian(
         texture, direction, radius, sigma, useBounds, bounds));
     paint.addColorProcessor(conv);
     context->drawNonAARectToRect(paint, SkMatrix::I(), dstRect, srcRect);
 }
 
 static void convolve_gaussian_2d(GrContext* context,
                                  const SkRect& srcRect,
                                  const SkRect& dstRect,
                                  GrTexture* texture,
                                  int radiusX,
                                  int radiusY,
                                  SkScalar sigmaX,
                                  SkScalar sigmaY,
                                  bool useBounds,
                                  SkIRect bounds) {
     SkISize size = SkISize::Make(2 * radiusX + 1,  2 * radiusY + 1);
     SkIPoint kernelOffset = SkIPoint::Make(radiusX, radiusY);
     GrPaint paint;
-    paint.reset();
     SkAutoTUnref<GrFragmentProcessor> conv(GrMatrixConvolutionEffect::CreateGaussian(
             texture, bounds, size, 1.0, 0.0, kernelOffset,
             useBounds ? GrTextureDomain::kClamp_Mode : GrTextureDomain::kIgnore_Mode,
             true, sigmaX, sigmaY));
     paint.addColorProcessor(conv);
     context->drawNonAARectToRect(paint, SkMatrix::I(), dstRect, srcRect);
 }
 
 static void convolve_gaussian(GrContext* context,
                               const SkRect& srcRect,
@@ skipping 210 matching lines @@
         context->drawNonAARectToRect(paint, SkMatrix::I(), dstRect, srcRect);
         srcRect = dstRect;
         srcTexture = dstTexture;
         SkTSwap(dstTexture, tempTexture);
     }
     return SkRef(srcTexture);
 }
 #endif
 
 }