In SkDraw::drawRect, use SkPath for huge rects.

src/core/SkScalar.cpp

 /*
  * Copyright 2010 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkMath.h"
 #include "SkScalar.h"
 
+static_assert(SK_MaxS32Scalar == SkIntToScalar(SkScalarTruncToInt(SK_MaxS32Scalar)),
+              "Value of SK_MaxS32Scalar is incorrect.");
+
 SkScalar SkScalarInterpFunc(SkScalar searchKey, const SkScalar keys[],
                             const SkScalar values[], int length) {
     SkASSERT(length > 0);
     SkASSERT(keys != nullptr);
     SkASSERT(values != nullptr);
 #ifdef SK_DEBUG
     for (int i = 1; i < length; i++)
         SkASSERT(keys[i] >= keys[i-1]);
 #endif
     int right = 0;
     while (right < length && searchKey > keys[right])
         right++;
     // Could use sentinel values to eliminate conditionals, but since the
     // tables are taken as input, a simpler format is better.
     if (length == right)
         return values[length-1];
     if (0 == right)
         return values[0];
     // Otherwise, interpolate between right - 1 and right.
     SkScalar rightKey = keys[right];
     SkScalar leftKey = keys[right-1];
     SkScalar fract = (searchKey - leftKey) / (rightKey - leftKey);
     return SkScalarInterp(values[right-1], values[right], fract);
 }