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Smarter cache eviction

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This commit is contained in:
jpirnay
2026-05-04 15:41:10 +02:00
parent 48aaf821a5
commit 95eafaecd1
3 changed files with 36 additions and 11 deletions
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lib/GfxRenderer/FontCacheManager.cpp
+5 -2
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@@ -24,8 +24,6 @@ void FontCacheManager::clearCache() {
}
void FontCacheManager::prewarmCache(int fontId, const char* utf8Text, uint8_t styleMask) {
clearCache();
// SD card font prewarm path: prewarm all requested styles in one call
auto sdIt = sdCardFonts_.find(fontId);
if (sdIt != sdCardFonts_.end()) {
@@ -52,6 +50,11 @@ void FontCacheManager::prewarmCache(int fontId, const char* utf8Text, uint8_t st
const EpdFontData* data = fontMap_.at(fontId).getData(style);
if (!data || !data->groups) continue;
int missed = fontDecompressor_->prewarmCache(data, utf8Text);
if (missed < 0) {
LOG_DBG("FCM", "prewarmCache: Cache slots full! Clearing and retrying slot allocation.");
clearCache();
missed = fontDecompressor_->prewarmCache(data, utf8Text);
}
if (missed > 0) {
LOG_DBG("FCM", "prewarmCache: %d glyph(s) not cached for style %d", missed, i);
}