diff options
| author | Yoann Lopes <yoann.lopes@nokia.com> | 2011-05-23 13:39:53 +0200 |
|---|---|---|
| committer | Yoann Lopes <yoann.lopes@nokia.com> | 2011-05-23 13:46:01 +0200 |
| commit | 7aa14bb332a737490698f2d2381877980cdc25ee (patch) | |
| tree | 0211969fd7341da56eec987d3dd8928a7f136d53 /src/declarative/scenegraph | |
| parent | e430f1336881850a73a54a291e0276160d568212 (diff) | |
Optimize distance-field glyph recycling.
Unused glyphs in the cache should not be overwritten if they are
immediatly reused after being unreferenced.
Diffstat (limited to 'src/declarative/scenegraph')
| -rw-r--r-- | src/declarative/scenegraph/qsgdistancefieldglyphcache.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/declarative/scenegraph/qsgdistancefieldglyphcache.cpp b/src/declarative/scenegraph/qsgdistancefieldglyphcache.cpp index a21fccefcf..27da408d65 100644 --- a/src/declarative/scenegraph/qsgdistancefieldglyphcache.cpp +++ b/src/declarative/scenegraph/qsgdistancefieldglyphcache.cpp @@ -678,6 +678,15 @@ int QSGDistanceFieldGlyphCache::distanceFieldRadius() const void QSGDistanceFieldGlyphCache::populate(int count, const glyph_t *glyphs) { + // Avoid useless and costly glyph re-generation + if (cacheIsFull() && !m_textureData->unusedGlyphs.isEmpty()) { + for (int i = 0; i < count; ++i) { + glyph_t glyphIndex = glyphs[i]; + if (m_textureData->texCoords.contains(glyphIndex) && m_textureData->unusedGlyphs.contains(glyphIndex)) + m_textureData->unusedGlyphs.remove(glyphIndex); + } + } + for (int i = 0; i < count; ++i) { glyph_t glyphIndex = glyphs[i]; if ((int) glyphIndex >= glyphCount()) { |