| Index: src/core/SkBBHFactory.cpp
|
| ===================================================================
|
| --- src/core/SkBBHFactory.cpp (revision 0)
|
| +++ src/core/SkBBHFactory.cpp (revision 0)
|
| @@ -0,0 +1,44 @@
|
| +/*
|
| + * Copyright 2014 Google Inc.
|
| + *
|
| + * Use of this source code is governed by a BSD-style license that can be
|
| + * found in the LICENSE file.
|
| + */
|
| +
|
| +#include "SkBBHFactory.h"
|
| +#include "SkPictureStateTree.h"
|
| +#include "SkQuadTree.h"
|
| +#include "SkRTree.h"
|
| +#include "SkTileGrid.h"
|
| +
|
| +
|
| +SkBBoxHierarchy* SkQuadTreeFactory::operator()(int width, int height) const {
|
| + return SkNEW_ARGS(SkQuadTree, (SkIRect::MakeWH(width, height)));
|
| +}
|
| +
|
| +SkBBoxHierarchy* SkRTreeFactory::operator()(int width, int height) const {
|
| + // These values were empirically determined to produce reasonable
|
| + // performance in most cases.
|
| + static const int kRTreeMinChildren = 6;
|
| + static const int kRTreeMaxChildren = 11;
|
| +
|
| + SkScalar aspectRatio = SkScalarDiv(SkIntToScalar(width),
|
| + SkIntToScalar(height));
|
| + bool sortDraws = false; // Do not sort draw calls when bulk loading.
|
| +
|
| + return SkRTree::Create(kRTreeMinChildren, kRTreeMaxChildren,
|
| + aspectRatio, sortDraws);
|
| +}
|
| +
|
| +SkBBoxHierarchy* SkTileGridFactory::operator()(int width, int height) const {
|
| + SkASSERT(fInfo.fMargin.width() >= 0);
|
| + SkASSERT(fInfo.fMargin.height() >= 0);
|
| + // Note: SkIRects are non-inclusive of the right() column and bottom() row.
|
| + // For example, an SkIRect at 0,0 with a size of (1,1) will only have
|
| + // content at pixel (0,0) and will report left=0 and right=1, hence the
|
| + // "-1"s below.
|
| + int xTileCount = (width + fInfo.fTileInterval.width() - 1) / fInfo.fTileInterval.width();
|
| + int yTileCount = (height + fInfo.fTileInterval.height() - 1) / fInfo.fTileInterval.height();
|
| + return SkNEW_ARGS(SkTileGrid, (xTileCount, yTileCount, fInfo,
|
| + SkTileGridNextDatum<SkPictureStateTree::Draw>));
|
| +}
|
|
|
| Property changes on: src\core\SkBBHFactory.cpp
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|