{"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\/cs\/blog\/news\/webkit-perehodit-na-ispolzovanie-biblioteki-skia-dlya-otrisovki-2d-grafiki","title":{"rendered":"WebKit p\u0159ech\u00e1z\u00ed na vyu\u017eit\u00ed knihovny Skia pro vykreslov\u00e1n\u00ed 2D grafiky","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

WebKit, prohl\u00ed\u017ee\u010dov\u00fd engine vyv\u00edjen\u00fd spole\u010dnost\u00ed Apple, kter\u00fd se pou\u017e\u00edv\u00e1 v prohl\u00ed\u017ee\u010d\u00edch jako Safari a Epiphany (GNOME Web), p\u0159ech\u00e1z\u00ed na vyu\u017eit\u00ed knihovny Skia pro vykreslov\u00e1n\u00ed 2D grafiky, vyu\u017e\u00edvan\u00e9 v Google Chrome, ChromeOS, Android a Flutter, kter\u00e1 podporuje vykreslov\u00e1n\u00ed pomoc\u00ed GPU. Portov\u00e1n\u00ed bylo provedeno spole\u010dnost\u00ed Igalia v r\u00e1mci iniciativy na optimalizaci v\u00fdkonu WebKitGTK pro GNOME. Jako d\u016fvod migrace je uv\u00e1d\u011bno dosa\u017een\u00ed limitu v procesu optimalizace v\u00fdkonu 2D vykreslov\u00e1n\u00ed s vyu\u017eit\u00edm CPU a vznikaj\u00edc\u00ed pot\u0159eba zapojit GPU pro dal\u0161\u00ed zlep\u0161en\u00ed v\u00fdkonu. <\/p>\n

Pokusy o p\u0159id\u00e1n\u00ed mo\u017enosti 2D vykreslov\u00e1n\u00ed pomoc\u00ed GPU do knihovny Cairo, kter\u00e1 byla vyu\u017e\u00edv\u00e1na ve WebKit, neusp\u011bly kv\u016fli architektonick\u00fdm zvl\u00e1\u0161tnostem t\u00e9to knihovny, a projekt na vytvo\u0159en\u00ed vlastn\u00ed vykreslovac\u00ed knihovny byl odm\u00edtnut z d\u016fvodu obt\u00ed\u017enosti dosa\u017een\u00ed rovnov\u00e1hy mezi v\u00fdkonem a kvalitou vykreslov\u00e1n\u00ed. Nakonec se v\u00fdvoj\u00e1\u0159i z Igalia vr\u00e1tili k my\u0161lence vyu\u017eit\u00ed knihovny Skia, kter\u00e1 byla optim\u00e1ln\u00edm \u0159e\u0161en\u00edm, ale p\u016fvodn\u011b byla odm\u00edtnuta kv\u016fli absenci stabiln\u00edho API, probl\u00e9m\u016fm s vyu\u017eit\u00edm jako extern\u00ed z\u00e1vislosti a pot\u0159eb\u011b podporovat extern\u00ed modul ve WebKit. <\/p>\n

K rozhodnut\u00ed p\u0159en\u00e9st WebKit na knihovnu Skia p\u0159isp\u011blo to, \u017ee s nahrazen\u00edm z\u00e1vislost\u00ed spojen\u00e9 nedostatky p\u0159eva\u017eovaly nad v\u00fdhodami, kter\u00e9 spo\u010d\u00edvaly nejen ve zv\u00fd\u0161en\u00ed v\u00fdkonu vykreslov\u00e1n\u00ed, ale tak\u00e9 v zjednodu\u0161en\u00ed k\u00f3du a roz\u0161\u00ed\u0159en\u00ed mo\u017enost\u00ed pro rozvoj nov\u00e9 funk\u010dnosti. Co se t\u00fd\u010de v\u00fdkonu, po\u010d\u00e1te\u010dn\u00ed port WebKit na Skia p\u0159i testech MotionMark na PC uk\u00e1zal zrychlen\u00ed vykreslov\u00e1n\u00ed dvakr\u00e1t ve srovn\u00e1n\u00ed se star\u00fdm k\u00f3dem vyu\u017e\u00edvaj\u00edc\u00edm CPU. <\/p>\n

V \u00fanoru 2024 dos\u00e1hla v\u011btev WebKit p\u0159eveden\u00e1 na Skia p\u0159ipravenosti k p\u0159ed\u00e1n\u00ed do hlavn\u00edho k\u00f3du WebKit. Po diskus\u00edch s v\u00fdvoj\u00e1\u0159i z Google, Sony, Apple a Red Hat bylo rozhodnuto o p\u0159echodu WebKit z knihovny Cairo na Skia a v sou\u010dasnosti je k\u00f3d pro podporu Skia ji\u017e p\u0159ijat do hlavn\u00ed v\u011btve WebKit.
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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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[…]<\/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-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47WebKit p\u0159ech\u00e1z\u00ed na vyu\u017e\u00edv\u00e1n\u00ed knihovny Skia pro vykreslov\u00e1n\u00ed 2D grafiky | ProHoster","description":"Prohl\u00ed\u017ee\u010dov\u00fd engin WebKit vyv\u00edjen\u00fd spole\u010dnost\u00ed Apple, kter\u00fd se pou\u017e\u00edv\u00e1 v prohl\u00ed\u017ee\u010d\u00edch jako Safari a Epiphany (GNOME Web), p\u0159ech\u00e1z\u00ed na vyu\u017e\u00edv\u00e1n\u00ed knihovny Skia pro 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