{"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\/news\/obnovlenie-firefox-69-0-3-i-rasshirenie-vozmozhnostej-webrender","title":{"rendered":"Aggiornamento di Firefox 69.0.3 e miglioramento delle funzionalit\u00e0 di WebRender","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Pubblicato<\/a><\/noindex> aggiornamento correttivo di Firefox 69.0.3 in cui \u00e8 stata risolta il problema<\/a><\/noindex> la visualizzazione della finestra di dialogo per il download dei file quando si fa clic su email nella posta web di Yahoo. Inoltre, sono stati risolti problemi<\/a><\/noindex> i problemi di download dei file all'avvio del browser su Windows 10 con la modalit\u00e0 di controllo parentale attivata.<\/p>\n

la scoperta continua lo sviluppo<\/a><\/noindex> del sistema di compositing WebRender<\/a><\/noindex>, scritto in Rust e che sposta le operazioni di rendering del contenuto della pagina sulla GPU. Usando WebRender invece del sistema di compositing integrato nel motore Gecko, che elabora i dati tramite CPU, vengono utilizzati shader eseguiti sulla GPU per le operazioni di rendering composito degli elementi della pagina, consentendo un notevole aumento della velocit\u00e0 di rendering e riducendo il carico sulla CPU. <\/p>\n

WebRender \u00e8 stato aggiunto al versioni 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 necessario abilitare gfx.webrender.all in about:config). In WebRender \u00e8 stato anche migliorato il sistema di caching e il rendering delle immagini. Il codice per la rasterizzazione del testo \u00e8 stato ristrutturato, il che ha permesso anche attraverso l'attributo packed. Considerando che contribuisce anche all'ottimizzazione dello spazio occupato dalla struttura, questo metodo mi sembra preferibile, anche se<\/a><\/noindex> il supporto per il posizionamento subpixel del testo sulle piattaforme Linux e Android.<\/p>\n

Quando Firefox viene eseguito su Wayland, \u00e8 stato implementato un nuovo backend<\/a><\/noindex>, che utilizza il meccanismo DMABUF<\/a><\/noindex> per il rendering nelle texture e organizzare<\/a><\/noindex> la condivisione tra diversi processi dei buffer con queste texture collocate nella memoria video. Inoltre, sono state aggiunte ottimizzazioni delle prestazioni per la decodifica delle immagini, utilizzando le istruzioni SIMD per accelerare 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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