{"id":113714,"date":"2024-02-20T04:02:42","date_gmt":"2024-02-20T02:02:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/webkit-perehodit-na-ispolzovanie-biblioteki-skia-dlya-otrisovki-2d-grafiki"},"modified":"2024-02-20T04:02:42","modified_gmt":"2024-02-20T02:02:42","slug":"webkit-perehodit-na-ispolzovanie-biblioteki-skia-dlya-otrisovki-2d-grafiki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/webkit-perehodit-na-ispolzovanie-biblioteki-skia-dlya-otrisovki-2d-grafiki","title":{"rendered":"WebKit passa all'uso della libreria Skia per il rendering grafico 2D","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Il motore di rendering browser WebKit, sviluppato da Apple e utilizzato in browser come Safari ed Epiphany (GNOME Web), passer\u00e0 all'uso della libreria Skia per il rendering grafico 2D, utilizzata in Google Chrome, ChromeOS, Android e Flutter, e che supporta il rendering tramite GPU. Il porting \u00e8 stato effettuato da Igalia nell'ambito di un'iniziativa per ottimizzare le prestazioni di WebKitGTK per GNOME. Tra le motivazioni della migrazione si segnala il raggiungimento di un limite nel processo di ottimizzazione delle prestazioni del rendering 2D utilizzando la CPU, e la necessit\u00e0 di coinvolgere la GPU per ulteriori miglioramenti delle prestazioni.      <\/p>\n<p>I tentativi di aggiungere alla libreria Cairo, utilizzata in WebKit, la funzionalit\u00e0 di rendering 2D con GPU non sono andati a buon fine a causa delle peculiarit\u00e0 architettoniche di questa libreria. Inoltre, il progetto per l'implementazione di una libreria di rendering proprietaria \u00e8 stato abbandonato a causa delle difficolt\u00e0 nel raggiungere un equilibrio tra prestazioni e qualit\u00e0 di rendering. Alla fine, gli sviluppatori di Igalia sono tornati all'idea di utilizzare la libreria Skia, che si \u00e8 rivelata la soluzione ottimale, ma che all'inizio era stata scartata a causa dell'assenza di un'API stabile, di problemi nell'uso come dipendenza esterna e della necessit\u00e0 di mantenere un modulo di terze parti in WebKit.     <\/p>\n<p>La decisione di migrare WebKit alla libreria Skia \u00e8 stata favorita dal fatto che gli svantaggi legati alla sostituzione delle dipendenze superavano i vantaggi, che si manifestavano non solo nell'aumento delle prestazioni di rendering, ma anche nella semplificazione della base di codice e nell'espansione delle possibilit\u00e0 di sviluppo di nuove funzionalit\u00e0. Per quanto riguarda le prestazioni, il port iniziale di WebKit su Skia ha mostrato un raddoppio della velocit\u00e0 di rendering nei test MotionMark su PC, rispetto al vecchio codice che utilizzava la CPU.     <\/p>\n<p>Nel febbraio 2024, il ramo di WebKit migrato su Skia ha raggiunto la prontezza per essere integrato nel codice principale di WebKit. Dopo discussioni con sviluppatori di Google, Sony, Apple e Red Hat, \u00e8 stata presa la decisione di migrare WebKit dalla libreria Cairo a Skia, e attualmente il codice per supportare Skia \u00e8 gi\u00e0 stato accettato nel ramo principale di WebKit.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60627\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u044b\u0439 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Apple \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u043d\u044b\u0439 \u0434\u0432\u0438\u0436\u043e\u043a WebKit, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0439 \u0432 \u0442\u0430\u043a\u0438\u0445 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430\u0445, \u043a\u0430\u043a Safari \u0438 Epiphany (GNOME Web), \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0438\u0442 \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0434\u043b\u044f \u043e\u0442\u0440\u0438\u0441\u043e\u0432\u043a\u0438 2D-\u0433\u0440\u0430\u0444\u0438\u043a\u0438 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 Skia, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0439 \u0432 Google Chrome, ChromeOS, Android \u0438 Flutter, \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0435\u0439 \u043e\u0442\u0440\u0438\u0441\u043e\u0432\u043a\u0443 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c GPU. \u041f\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u043e \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Igalia \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u0438\u043d\u0438\u0446\u0438\u0430\u0442\u0438\u0432\u044b \u043f\u043e \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 WebKitGTK \u0434\u043b\u044f GNOME. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u0438\u0447\u0438\u043d\u044b \u043c\u0438\u0433\u0440\u0430\u0446\u0438\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-113714","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u044b\u0439 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Il porting \u00e8 stato effettuato da Igalia nell'ambito di un'iniziativa per ottimizzare le prestazioni di WebKitGTK per GNOME. 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