bool GrFontCache::freeUnusedPlot(GrTextStrike* preserveStrike, const GrGlyph* glyph) {
SkASSERT(preserveStrike);
int index = mask_format_to_atlas_index(glyph->fMaskFormat);
GrAtlas* atlas = fAtlases[index];
GrPlot* plot = atlas->getUnusedPlot();
if (NULL == plot) {
return false;
}
plot->resetRects();
GrTextStrike* strike = fHead;
while (strike) {
GrTextStrike* strikeToPurge = strike;
strike = strikeToPurge->fNext;
strikeToPurge->removePlot(plot);
// clear out any empty strikes (except this one)
if (strikeToPurge != preserveStrike && strikeToPurge->fPlotUsage.isEmpty()) {
this->purgeStrike(strikeToPurge);
}
}
#if FONT_CACHE_STATS
++g_PurgeCount;
#endif
return true;
}
bool GrFontCache::freeUnusedPlot(GrTextStrike* preserveStrike) {
SkASSERT(preserveStrike);
GrAtlas* atlas = preserveStrike->fAtlas;
GrPlot* plot = atlas->getUnusedPlot();
if (NULL == plot) {
return false;
}
plot->resetRects();
GrTextStrike* strike = fHead;
GrMaskFormat maskFormat = preserveStrike->fMaskFormat;
while (strike) {
if (maskFormat != strike->fMaskFormat) {
strike = strike->fNext;
continue;
}
GrTextStrike* strikeToPurge = strike;
strike = strikeToPurge->fNext;
strikeToPurge->removePlot(plot);
// clear out any empty strikes (except this one)
if (strikeToPurge != preserveStrike && strikeToPurge->fPlotUsage.isEmpty()) {
this->purgeStrike(strikeToPurge);
}
}
#if FONT_CACHE_STATS
++g_PurgeCount;
#endif
return true;
}