Made shadows blurry (thru implementing variance mapping)

samplecode/SampleShadowing.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SampleCode.h"
 #include "SkPictureRecorder.h"
 #include "SkShadowPaintFilterCanvas.h"
@@ skipping 95 matching lines @@
 
     void onDrawContent(SkCanvas *canvas) override {
         if (fSceneChanged) {
             fPicture = this->makeTestPicture(kWidth, kHeight);
         }
 
         if (fSceneChanged || fLightsChanged || fClearShadowMaps) {
             for (int i = 0; i < fLights->numLights(); i++) {
                 fLights->light(i).setShadowMap(nullptr);
             }
+
             fSceneChanged = false;
             fLightsChanged = false;
             fClearShadowMaps = false;
+        }
 
-            canvas->setLights(fLights);
-            canvas->drawShadowedPicture(fPicture, nullptr, nullptr);
-        }
+        canvas->setLights(fLights);
+        canvas->drawShadowedPicture(fPicture, nullptr, nullptr);
     }
 
     SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) override {
         return new SkView::Click(this);
     }
 
     bool onClick(Click *click) override {
         SkScalar x = click->fCurr.fX;
         SkScalar y = click->fCurr.fY;
 
@@ skipping 75 matching lines @@
     sk_sp<SkLights> fLights;
 
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 static SkView* MyFactory() { return new ShadowingView; }
 static SkViewRegister reg(MyFactory);
 
 #endif