Add new SkPoint3 class

samplecode/SampleLighting.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 "SampleCode.h"
 #include "Resources.h"
 
 #include "SkCanvas.h"
 #include "SkErrorInternals.h"
 #include "SkGr.h"
+#include "SkPoint3.h"
 #include "SkReadBuffer.h"
 #include "SkShader.h"
 #include "SkWriteBuffer.h"
 #include "GrFragmentProcessor.h"
 #include "GrCoordTransform.h"
 #include "gl/GrGLProcessor.h"
 #include "gl/builders/GrGLProgramBuilder.h"
 
 ///////////////////////////////////////////////////////////////////////////////
 
-struct SkVector3 {
-    SkScalar fX, fY, fZ;
-
-    bool operator==(const SkVector3& other) const {
-        return fX == other.fX && fY == other.fY && fZ == other.fZ;
-    }
-
-    bool operator!=(const SkVector3& other) const {
-        return !(*this == other);
-    }
-};
-
 class LightingShader : public SkShader {
 public:
     struct Light {
         SkVector3   fDirection;
         SkColor     fColor;           // assumed to be linear color
     };
 
     LightingShader(const SkBitmap& diffuse, const SkBitmap& normal, const Light& light,
                    const SkColor ambient) 
         : fDiffuseMap(diffuse)
@@ skipping 374 matching lines @@
     }
 
 private:
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new LightingView; }
 static SkViewRegister reg(MyFactory);