{"id":36163,"date":"2019-10-31T22:09:56","date_gmt":"2019-10-31T19:09:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/v-nochnyh-sborkah-firefox-dlya-linux-aktivirovan-webrender-dlya-videokart-nvidia\/"},"modified":"2019-10-31T22:09:56","modified_gmt":"2019-10-31T19:09:56","slug":"v-nochnyh-sborkah-firefox-dlya-linux-aktivirovan-webrender-dlya-videokart-nvidia","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/v-nochnyh-sborkah-firefox-dlya-linux-aktivirovan-webrender-dlya-videokart-nvidia","title":{"rendered":"Nelle versioni notturne di Firefox per Linux \u00e8 attivato WebRender per schede grafiche NVIDIA","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

In notturne<\/a><\/noindex> versioni di Firefox, su cui si basa il rilascio di Firefox 70, incluso<\/a><\/noindex> di default l'utilizzo del sistema di composizione WebRender<\/a><\/noindex> per schede grafiche NVIDIA su sistemi Linux con driver Nouveau e pacchetto Mesa 18.2 o versione successiva. Le configurazioni con driver proprietari NVIDIA rimangono<\/a><\/noindex> senza supporto per WebRender. WebRender per GPU AMD e Intel con Mesa 18+ \u00e8 stato attivato in precedenza nelle versioni notturne. \u00c8 anche da notare il ripristino<\/a><\/noindex> del supporto per WebGL nelle versioni notturne di Firefox su sistemi con driver Nouveau, che era stato disattivato per errore in Firefox 68 (attualmente la restrizione \u00e8 stata trasferita<\/a><\/noindex> solo al driver proprietario NVIDIA).<\/p>\n

Ricordiamo che il sistema di composizione WebRender<\/a><\/noindex> \u00e8 scritto in Rust e delega al GPU le operazioni di rendering del contenuto della pagina. Utilizzando WebRender invece del sistema di composizione integrato nel motore Gecko, che elabora i dati tramite CPU, per eseguire le operazioni di rasterizzazione degli elementi della pagina vengono utilizzati shader eseguiti sulla GPU, consentendo un aumento significativo della velocit\u00e0 di rendering e riducendo il carico sulla CPU. <\/p>\n

Nei rilasci stabili, WebRender \u00e8 attualmente abilitato solo per la piattaforma Windows 10 con schede grafiche AMD e NVIDIA. \u00c8 possibile verificare l'attivazione di WebRender nella pagina about:support. Per attivarlo forzatamente, in about:config \u00e8 necessario attivare le impostazioni \u00abgfx.webrender.all\u00bb e \u00abgfx.webrender.enabled\u00bb o avviare Firefox con la variabile d'ambiente MOZ_WEBRENDER=1.<\/p>\n

Inoltre, si pu\u00f2 notare l'inizio<\/a><\/noindex> Durante i test su Firefox 69 Beta e Developer Edition (attualmente solo per le versioni Windows) \u00e8 stata introdotta la funzione di visualizzazione video in modalit\u00e0 \u00abimmagine nell'immagine\u00bb (Picture-in-Picture), che consente di staccare il video in una finestra galleggiante che rimane visibile mentre si naviga nel browser. Per visualizzare in questa modalit\u00e0, \u00e8 necessario fare clic sul suggerimento che appare o nel menu contestuale, selezionando \u00abPicture in picture\u00bb (in YouTube, che utilizza il proprio gestore di menu contestuale, \u00e8 necessario fare doppio clic con il pulsante destro del mouse o fare clic tenendo premuto il tasto Shift).<\/p>\n

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

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

\u0412 \u043d\u043e\u0447\u043d\u044b\u0445 \u0441\u0431\u043e\u0440\u043a\u0430\u0445 Firefox, \u043d\u0430 \u0431\u0430\u0437\u0435 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0440\u0435\u043b\u0438\u0437 Firefox 70, \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u043e \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043a\u043e\u043c\u043f\u043e\u0437\u0438\u0442\u0438\u043d\u0433\u0430 WebRender \u0434\u043b\u044f \u0432\u0438\u0434\u0435\u043e\u043a\u0430\u0440\u0442 NVIDIA \u043d\u0430 Linux-\u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0441 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u043c Nouveau \u0438 \u043f\u0430\u043a\u0435\u0442\u043e\u043c Mesa 18.2 \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0435\u0439. \u041a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 \u0441 \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u044b\u043c\u0438 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430\u043c\u0438 NVIDIA \u043f\u043e\u043a\u0430 \u043e\u0441\u0442\u0430\u044e\u0442\u0441\u044f \u0431\u0435\u0437 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 WebRender. 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