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| 1 /* |
| 2 * Copyright 2014 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #include "SkRTreePicture.h" |
| 9 |
| 10 #include "SkRTree.h" |
| 11 |
| 12 |
| 13 SkBBoxHierarchy* SkRTreePicture::createBBoxHierarchy() const { |
| 14 // These values were empirically determined to produce reasonable |
| 15 // performance in most cases. |
| 16 static const int kRTreeMinChildren = 6; |
| 17 static const int kRTreeMaxChildren = 11; |
| 18 |
| 19 SkScalar aspectRatio = SkScalarDiv(SkIntToScalar(fWidth), |
| 20 SkIntToScalar(fHeight)); |
| 21 bool sortDraws = false; // Do not sort draw calls when bulk loading. |
| 22 |
| 23 return SkRTree::Create(kRTreeMinChildren, kRTreeMaxChildren, |
| 24 aspectRatio, sortDraws); |
| 25 } |
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