Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(564)

Unified Diff: src/core/SkBBHFactory.cpp

Issue 243173002: Staging for cleanup of SkPicture-related headers (Closed) Base URL: http://skia.googlecode.com/svn/trunk/
Patch Set: Add crucial newline at end of file Created 6 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « samplecode/SampleTiling.cpp ('k') | src/core/SkPicture.cpp » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
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
« no previous file with comments | « samplecode/SampleTiling.cpp ('k') | src/core/SkPicture.cpp » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698