{"id":102995,"date":"2022-01-17T21:36:56","date_gmt":"2022-01-17T19:36:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/essence-%d1%81%d0%b0%d0%bc%d0%be%d0%b1%d1%8b%d1%82%d0%bd%d0%b0%d1%8f-%d0%be%d0%bf%d0%b5%d1%80%d0%b0%d1%86%d0%b8%d0%be%d0%bd%d0%bd%d0%b0%d1%8f-%d1%81%d0%b8%d1%81%d1%82%d0%b5%d0%bc%d0%b0-%d1%81%d0%be"},"modified":"2022-01-17T21:36:56","modified_gmt":"2022-01-17T19:36:58","slug":"essence-%d1%81%d0%b0%d0%bc%d0%be%d0%b1%d1%8b%d1%82%d0%bd%d0%b0%d1%8f-%d0%be%d0%bf%d0%b5%d1%80%d0%b0%d1%86%d0%b8%d0%be%d0%bd%d0%bd%d0%b0%d1%8f-%d1%81%d0%b8%d1%81%d1%82%d0%b5%d0%bc%d0%b0-%d1%81%d0%be","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/essence-%d1%81%d0%b0%d0%bc%d0%be%d0%b1%d1%8b%d1%82%d0%bd%d0%b0%d1%8f-%d0%be%d0%bf%d0%b5%d1%80%d0%b0%d1%86%d0%b8%d0%be%d0%bd%d0%bd%d0%b0%d1%8f-%d1%81%d0%b8%d1%81%d1%82%d0%b5%d0%bc%d0%b0-%d1%81%d0%be","title":{"rendered":"Essence \u2014 origin\u00e1ln\u00ed opera\u010dn\u00ed syst\u00e9m se sv\u00fdm vlastn\u00edm j\u00e1drem a grafick\u00fdm rozhran\u00edm","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Nov\u00fd opera\u010dn\u00ed syst\u00e9m Essence, dod\u00e1van\u00fd se sv\u00fdm vlastn\u00edm j\u00e1drem a grafick\u00fdm u\u017eivatelsk\u00fdm rozhran\u00edm, je k dispozici pro po\u010d\u00e1te\u010dn\u00ed testov\u00e1n\u00ed. Projekt se od roku 2017 vyv\u00edj\u00ed jedn\u00edm nad\u0161encem, byl vytvo\u0159en od z\u00e1klad\u016f a vyzna\u010duje se osobit\u00fdm p\u0159\u00edstupem k budov\u00e1n\u00ed plochy a grafick\u00e9ho j\u00e1dra. Nejv\u00fdznamn\u011bj\u0161\u00ed funkc\u00ed je mo\u017enost rozd\u011blen\u00ed oken na z\u00e1lo\u017eky, co\u017e umo\u017e\u0148uje pracovat v jednom okn\u011b s n\u011bkolika aplikacemi a seskupovat aplikace podle oken v z\u00e1vislosti na \u0159e\u0161en\u00fdch \u00fakolech. K\u00f3d projektu je naps\u00e1n v jazyce C++ a je distribuov\u00e1n pod licenc\u00ed MIT.

\"Essence<\/center> <\/p>\n

Spr\u00e1vce oken pracuje na \u00farovni j\u00e1dra opera\u010dn\u00edho syst\u00e9mu, zat\u00edmco rozhran\u00ed je vytvo\u0159eno pomoc\u00ed vlastn\u00ed grafick\u00e9 knihovny a programov\u00e9ho vektorov\u00e9ho engine, kter\u00fd podporuje slo\u017eit\u00e9 animovan\u00e9 efekty. Rozhran\u00ed je zcela vektorov\u00e9 a automaticky se \u0161k\u00e1luje pro jak\u00e1koliv rozli\u0161en\u00ed obrazovky. V\u0161echny informace o stylech jsou ulo\u017eeny v samostatn\u00fdch souborech, co\u017e usnad\u0148uje zm\u011bnu vzhledu aplikac\u00ed. Pro programov\u00e9 vykreslov\u00e1n\u00ed se pou\u017e\u00edv\u00e1 OpenGL k\u00f3d z Mesa. Podporuje pr\u00e1ci s n\u011bkolika jazyky a pro vykreslov\u00e1n\u00ed p\u00edsem jsou vyu\u017eity FreeType a Harfbuzz.

\"Essence<\/center> <\/p>\n

J\u00e1dro obsahuje pl\u00e1nova\u010d \u00faloh se supportem pro v\u00edce \u00farovn\u00ed priorit, subsyst\u00e9m spr\u00e1vy pam\u011bti s podporou sd\u00edlen\u00e9 pam\u011bti, mmap a v\u00edcethreadov\u00fdm spr\u00e1vce str\u00e1nek pam\u011bti, s\u00ed\u0165ov\u00fd stack (TCP\/IP), zvukov\u00fd subsyst\u00e9m pro m\u00edch\u00e1n\u00ed zvuk\u016f, VFS a souborov\u00fd syst\u00e9m EssenceFS s odd\u011blenou vrstvou pro ke\u0161ov\u00e1n\u00ed dat. Krom\u011b vlastn\u00edho FS jsou k dispozici ovlada\u010de pro Ext2, FAT, NTFS a ISO9660. Podpora se poskytuje pro vyvezen\u00ed funkc\u00ed do modul\u016f s mo\u017enost\u00ed na\u010d\u00edt\u00e1n\u00ed takov\u00fdch modul\u016f podle pot\u0159eby. Ovlada\u010de byly p\u0159ipraveny pro ACPI s ACPICA, IDE, AHCI, NVMe, BGA, SVGA, HD Audio, Ethernet 8254x a USB XHCI (\u00falo\u017en\u00e1 za\u0159\u00edzen\u00ed a HID). <\/p>\n

Kompatibilita se t\u0159et\u00edmi aplikacemi je dosa\u017eena pomoc\u00ed POSIX vrstvy, kter\u00e1 je dostate\u010dn\u011b siln\u00e1 pro spu\u0161t\u011bn\u00ed GCC a \u010d\u00e1sti utilit Busybox. Mezi portovan\u00fdmi aplikacemi pro Essence lze zm\u00ednit C-knihovnu Musl, emul\u00e1tor Bochs, GCC, Binutils, FFmpeg a Mesa. Vytvo\u0159en\u00e9 speci\u00e1ln\u011b pro Essence grafick\u00e9 aplikace zahrnuj\u00ed spr\u00e1vce soubor\u016f, textov\u00fd editor, IRC klienta, prohl\u00ed\u017ee\u010d obr\u00e1zk\u016f a syst\u00e9mov\u00fd monitor.

\"Essence<\/center> <\/p>\n

Syst\u00e9m m\u016f\u017ee fungovat na zastaral\u00e9m hardwaru s m\u00e9n\u011b ne\u017e 64 MB RAM a zab\u00edr\u00e1 p\u0159ibli\u017en\u011b 30 MB diskov\u00e9ho prostoru. Pro \u00fasporu zdroj\u016f se prov\u00e1d\u00ed pouze aktivn\u00ed aplikace, zat\u00edmco v\u0161echny background programy jsou pozastaveny. Na\u010d\u00edt\u00e1n\u00ed trv\u00e1 jen n\u011bkolik sekund a vypnut\u00ed prob\u00edh\u00e1 t\u00e9m\u011b\u0159 okam\u017eit\u011b. Projekt denn\u011b zve\u0159ej\u0148uje nov\u00e9 hotov\u00e9 verze vhodn\u00e9 pro testov\u00e1n\u00ed v QEMU.

\r\n \"P\u0159ehr\u00e1t\r\n
<\/div>\r\n <\/div><\/center>
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u0430 \u0434\u043b\u044f \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u043e\u0432\u0430\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 Essence, \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u0430\u044f \u0441\u043e \u0441\u0432\u043e\u0438\u043c \u044f\u0434\u0440\u043e\u043c \u0438 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u043c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u043c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u041f\u0440\u043e\u0435\u043a\u0442 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043e\u0434\u043d\u0438\u043c \u044d\u043d\u0442\u0443\u0437\u0438\u0430\u0441\u0442\u043e\u043c \u0441 2017 \u0433\u043e\u0434\u0430, \u0441\u043e\u0437\u0434\u0430\u043d \u0441 \u043d\u0443\u043b\u044f \u0438 \u043f\u0440\u0438\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u0435\u043d \u0441\u0430\u043c\u043e\u0431\u044b\u0442\u043d\u044b\u043c \u043f\u043e\u0434\u0445\u043e\u0434\u043e\u043c \u043a \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044e \u0440\u0430\u0431\u043e\u0447\u0435\u0433\u043e \u0441\u0442\u043e\u043b\u0430 \u0438 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0441\u0442\u0435\u043a\u0430. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0437\u0430\u043c\u0435\u0442\u043d\u043e\u0439 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u044c\u044e \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043e\u043a\u043e\u043d \u043d\u0430 \u0432\u043a\u043b\u0430\u0434\u043a\u0438, \u0434\u0430\u044e\u0449\u0438\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0432 \u043e\u0434\u043d\u043e\u043c \u043e\u043a\u043d\u0435 \u0441\u0440\u0430\u0437\u0443 \u0441 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c\u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":102996,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-102995","post","type-post","status-publish","format-standard","has-post-thumbnail","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\udd47Essence \u2014 origin\u00e1ln\u00ed opera\u010dn\u00ed syst\u00e9m se sv\u00fdm j\u00e1drem a grafick\u00fdm 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