{"id":38829,"date":"2019-10-31T22:26:13","date_gmt":"2019-10-31T19:26:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/obnovlenie-firefox-69-0-3-i-rasshirenie-vozmozhnostej-webrender\/"},"modified":"2019-10-31T22:26:13","modified_gmt":"2019-10-31T19:26:13","slug":"obnovlenie-firefox-69-0-3-i-rasshirenie-vozmozhnostej-webrender","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/obnovlenie-firefox-69-0-3-i-rasshirenie-vozmozhnostej-webrender","title":{"rendered":"Aggiornamento Firefox 69.0.3 e potenziamento delle funzionalit\u00e0 di WebRender","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Pubblicato<\/a><\/noindex> correzione per l'aggiornamento di Firefox 69.0.3 in cui \u00e8 stato risolto problema<\/a><\/noindex> il dialogo per il download dei file al clic su un'email nella webmail di Yahoo. Inoltre sono stati risolti i problemi<\/a><\/noindex> problemi con il caricamento dei file, all'avvio del browser in Windows 10 con la modalit\u00e0 di controllo genitori attivata.<\/p>\n

Si pu\u00f2 anche notare continuazione dello sviluppo<\/a><\/noindex> del sistema di compositing WebRender<\/a><\/noindex>, scritto in Rust e che sposta su GPU le operazioni di rendering dei contenuti delle pagine. Utilizzando WebRender anzich\u00e9 il sistema di compositing integrato nel motore Gecko, che elabora i dati tramite CPU, per eseguire le operazioni di rendering finale degli elementi della pagina vengono utilizzati shader eseguiti nella GPU, consentendo un significativo aumento della velocit\u00e0 di rendering e una riduzione del carico sulla CPU. <\/p>\n

WebRender \u00e8 stato aggiunto al build notturne<\/a><\/noindex> browser mobile Firefox Preview<\/a><\/noindex> (sostituto di Firefox per Android) ed \u00e8 attivato di default per i dispositivi Pixel 2 (per altri dispositivi \u00e8 necessaria l'attivazione in about:config di gfx.webrender.all). In WebRender sono state inoltre migliorate le cache e il rendering delle immagini. Il codice per la rasterizzazione del testo \u00e8 stato rivisitato, permettendo anche con l'attributo packed. Considerando che contribuisce anche a ottimizzare lo spazio occupato dalla struttura, questo metodo mi sembra preferibile, anche se<\/a><\/noindex> il supporto per il posizionamento subpixel del testo su piattaforme Linux e Android.<\/p>\n

Con l'uso di Firefox sopra Wayland \u00e8 stata implementata una nuova backend<\/a><\/noindex>, che utilizza il meccanismo DMABUF<\/a><\/noindex> per il rendering in texture e organizzazione<\/a><\/noindex> di condivisione dei buffer tra diversi processi con queste texture, memorizzate nella memoria video. Inoltre, sono state aggiunte ottimizzazioni delle prestazioni per la decodifica delle immagini, che sfruttano le istruzioni SIMD per accelerare il processo e ridurre il tempo di conversione dei formati del 5-10%.<\/p>\n

<\/a><\/noindex><\/p>\n

Fonte: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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Sono stati inoltre risolti problemi di download dei file nell'avvio del browser in Windows 10 con la modalit\u00e0 di controllo parentale attivata. 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