Made shadows blurry (thru implementing variance mapping)

src/core/SkPictureRecord.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkPictureRecord.h"
 #include "SkImage_Base.h"
 #include "SkPatchUtils.h"
@@ skipping 676 matching lines @@
         initialOffset = this->addDraw(DRAW_PICTURE_MATRIX_PAINT, &size);
         this->addPaintPtr(paint);
         this->addMatrix(m);
         this->addPicture(picture);
     }
     this->validate(initialOffset, size);
 }
 
 void SkPictureRecord::onDrawShadowedPicture(const SkPicture* picture,
                                             const SkMatrix* matrix,
-                                            const SkPaint* paint) {
+                                            const SkPaint* paint,
+                                            const SkShadowParams& params) {
     // op + picture index
     size_t size = 2 * kUInt32Size;
     size_t initialOffset;
 
     if (nullptr == matrix && nullptr == paint) {
         initialOffset = this->addDraw(DRAW_PICTURE, &size);
         this->addPicture(picture);
     } else {
         const SkMatrix& m = matrix ? *matrix : SkMatrix::I();
         size += m.writeToMemory(nullptr) + kUInt32Size;    // matrix + paint
         initialOffset = this->addDraw(DRAW_PICTURE_MATRIX_PAINT, &size);
         this->addPaintPtr(paint);
         this->addMatrix(m);
         this->addPicture(picture);
     }
+

[robertphillips, 2016/08/16 19:36:09]

What's going on with serialization here? How does this pass the following
validate test?

[vjiaoblack, 2016/08/17 12:58:56]

Done.

+    size += sizeof(params);
     this->validate(initialOffset, size);
 }
 
 void SkPictureRecord::onDrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) {
     // op + drawable index
     size_t size = 2 * kUInt32Size;
     size_t initialOffset;
 
     if (nullptr == matrix) {
         initialOffset = this->addDraw(DRAW_DRAWABLE, &size);
@@ skipping 348 matching lines @@
 
 void SkPictureRecord::addTextBlob(const SkTextBlob *blob) {
     int index = fTextBlobRefs.count();
     *fTextBlobRefs.append() = blob;
     blob->ref();
     // follow the convention of recording a 1-based index
     this->addInt(index + 1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////