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| author | Chris Craik <ccraik@google.com> | 2011-10-24 18:39:29 -0700 |
|---|---|---|
| committer | Ed Heyl <ed@google.com> | 2011-10-25 20:36:02 +0000 |
| commit | d0e47e8be77bfe2991172ca5aa04fbac8d484357 (patch) | |
| tree | 035d940f0b26fce48f5ae6642f7011fa18764d4e /Source/WebCore/platform/graphics | |
| parent | affc08488bcc3fc9ae25d5199890d8e2f0cdb8bb (diff) | |
| download | external_webkit-d0e47e8be77bfe2991172ca5aa04fbac8d484357.zip external_webkit-d0e47e8be77bfe2991172ca5aa04fbac8d484357.tar.gz external_webkit-d0e47e8be77bfe2991172ca5aa04fbac8d484357.tar.bz2 | |
Take scale into account when greedily prefetching an entire layer
bug:5509149
Scale wasn't being taken into account when estimating layer tile consumption, so
zooming in on layer content could attempt to fetch and draw hundreds of layers
per tile, causing lots of missing content.
Change-Id: Ib26e203827ad93be12d29561b9d8094cb712f014
Diffstat (limited to 'Source/WebCore/platform/graphics')
| -rw-r--r-- | Source/WebCore/platform/graphics/android/PaintedSurface.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Source/WebCore/platform/graphics/android/PaintedSurface.cpp b/Source/WebCore/platform/graphics/android/PaintedSurface.cpp index 00129a0..8f78638 100644 --- a/Source/WebCore/platform/graphics/android/PaintedSurface.cpp +++ b/Source/WebCore/platform/graphics/android/PaintedSurface.cpp @@ -214,8 +214,8 @@ void PaintedSurface::computeVisibleArea() { if (!m_visibleArea.isEmpty()) { float tileWidth = TilesManager::instance()->layerTileWidth(); float tileHeight = TilesManager::instance()->layerTileHeight(); - int w = ceilf(m_area.width() / tileWidth); - int h = ceilf(m_area.height() / tileHeight); + int w = ceilf(m_area.width() * m_scale / tileWidth); + int h = ceilf(m_area.height() * m_scale / tileHeight); if (w * h < MAX_UNCLIPPED_AREA) m_visibleArea = m_area; } |