diff options
author | 2014-10-09 06:49:47 -0700 | |
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committer | 2014-10-09 06:49:47 -0700 | |
commit | 208d1704c2cc1161ea337a05155f2b9a04edd351 (patch) | |
tree | ba422cfb3c49471b7fb9c535610c22a60689e06a /src/core/SkBBoxHierarchy.h | |
parent | a9c56525f32ee0075ed8dbaff3a032b7abeed4ae (diff) |
Add SkBBoxHierarchy::reserve() as an optional size hint.
I want to play around with how SkTileGrid stores its tiles. Having a
cap on the number of insert() calls can be pretty handy.
While I'm at it, I gave flush() a default empty impl. Like reserve(),
it's really an optional hook for subclasses.
BUG=skia:
Review URL: https://codereview.chromium.org/639933003
Diffstat (limited to 'src/core/SkBBoxHierarchy.h')
-rw-r--r-- | src/core/SkBBoxHierarchy.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/core/SkBBoxHierarchy.h b/src/core/SkBBoxHierarchy.h index 3382ac154e..7246787de8 100644 --- a/src/core/SkBBoxHierarchy.h +++ b/src/core/SkBBoxHierarchy.h @@ -24,9 +24,14 @@ public: SkBBoxHierarchy() {} /** - * Insert opIndex and corresponding bounding box + * Hint that <= opCount calls to insert() will be made. + */ + virtual void reserve(unsigned opCount) {} + + /** + * Insert opIndex and corresponding bounding box. * @param opIndex Any value, will be returned in order. - * @param bounds The bounding box, should not be empty + * @param bounds The bounding box, should not be empty. * @param defer Whether or not it is acceptable to delay insertion of this element (building up * an entire spatial data structure at once is often faster and produces better * structures than repeated inserts) until flushDeferredInserts is called or the first @@ -35,9 +40,9 @@ public: virtual void insert(unsigned opIndex, const SkRect& bounds, bool defer = false) = 0; /** - * If any insertions have been deferred, this forces them to be inserted + * If any insertions have been deferred, force them to be inserted. */ - virtual void flushDeferredInserts() = 0; + virtual void flushDeferredInserts() {} /** * Populate results with sorted opIndex corresponding to bounding boxes that intersect query. |