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 |