{"id":116227,"date":"2024-05-31T15:40:19","date_gmt":"2024-05-31T13:40:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-wayland-1-23"},"modified":"2024-05-31T15:40:19","modified_gmt":"2024-05-31T13:40:20","slug":"dostupen-wayland-1-23","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/dostupen-wayland-1-23","title":{"rendered":"Dostupn\u00fd Wayland 1.23","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po v\u00edce ne\u017e roce v\u00fdvoje byl p\u0159edstaven stabiln\u00ed v\u00fdstup protokolu, mechanismu meziprocesn\u00ed komunikace a knihoven Wayland 1.23. V\u011btev 1.23 je zp\u011btn\u011b kompatibiln\u00ed na \u00farovni API a ABI s verzemi 1.x a obsahuje p\u0159ev\u00e1\u017en\u011b opravy chyb a drobn\u00e9 aktualizace protokolu. V\u00fdsledky projektu jsou dostupn\u00e9 pod licenc\u00ed MIT. Referen\u010dn\u00ed kompozitn\u00ed server Weston, poskytuj\u00edc\u00ed k\u00f3d a pracovn\u00ed p\u0159\u00edklady pro pou\u017eit\u00ed Wayland v desktopov\u00fdch prost\u0159ed\u00edch a vestav\u011bn\u00fdch \u0159e\u0161en\u00edch, se vyv\u00edj\u00ed v r\u00e1mci samostatn\u00e9ho v\u00fdvojov\u00e9ho cyklu.        <\/p>\n<p>Hlavn\u00ed zm\u011bny v protokolu:  <\/p>\n<ul>\n<li class=\"l\">  V libwayland je implementov\u00e1no API, kter\u00e9 umo\u017e\u0148uje klientovi ur\u010dit maxim\u00e1ln\u00ed velikost intern\u00edho vyrovn\u00e1vac\u00edho prostoru p\u0159ipojen\u00ed na stran\u011b serveru. Z\u00e1kladn\u00ed maxim\u00e1ln\u00ed velikost vyrovn\u00e1vac\u00edho prostoru je nastavena prost\u0159ednictv\u00edm rozhran\u00ed wl_display a nov\u00e9 API umo\u017e\u0148uje klient\u016fm m\u011bnit ji v\u00e1zanou na ka\u017ed\u00e9 klientsk\u00e9 p\u0159ipojen\u00ed. Z praktick\u00e9ho hlediska zm\u011bna umo\u017e\u0148uje pou\u017e\u00edt v\u011bt\u0161\u00ed vyrovn\u00e1vac\u00ed prostory ve specifick\u00fdch Wayland-klientech, jako je Xwayland, pro kter\u00e9 je charakteristick\u00e1 vy\u0161\u0161\u00ed intenzita vstupn\u00edch ud\u00e1lost\u00ed.\n<li class=\"l\"> Pro dotazy (request), ud\u00e1losti (event) a v\u00fd\u010dty (enum) byla zavedena mo\u017enost pou\u017eit\u00ed XML atributu \u201edeprecated-since\u201c k ozna\u010den\u00ed zastaral\u00fdch prvk\u016f. V terminologii Waylandu jsou dotazy \u2014 zpr\u00e1vy odes\u00edlan\u00e9 klientem k <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-shicago\/\"   title=\"serveru\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2883\">serveru<\/a>; ud\u00e1losti \u2014 jsou zpr\u00e1vy p\u0159en\u00e1\u0161en\u00e9 ze serveru k klientovi; v\u00fd\u010dty \u2014 jsou s ur\u010dit\u00fdm n\u00e1zvem spojen\u00e9 sady \u010d\u00edseln\u00fdch hodnot, se kter\u00fdmi protokol manipuluje.\n<li class=\"l\"> Do n\u00e1stroje wayland-scanner, ur\u010den\u00e9ho k generov\u00e1n\u00ed hlavi\u010dkov\u00fdch soubor\u016f a k\u00f3du v jazyce C na z\u00e1klad\u011b XML soubor\u016f s popisem protokolu, byl p\u0159id\u00e1n re\u017eim \u201eenum-header\u201c, zahrnuj\u00edc\u00ed uveden\u00ed v hlavi\u010dkov\u00fdch souborech pouze \u201ev\u00fd\u010dt\u016f\u201c.\n<li class=\"l\"> V wayland-scanner byla zaji\u0161t\u011bna generace valida\u010dn\u00edch funkc\u00ed (validator) pro \u201ev\u00fd\u010dty\u201c na stran\u011b serveru.\n<li class=\"l\"> Byla p\u0159id\u00e1na mo\u017enost p\u0159i\u0159azen\u00ed n\u00e1zv\u016f front\u00e1m ud\u00e1lost\u00ed za \u00fa\u010delem zjednodu\u0161en\u00ed lad\u011bn\u00ed.\n<li class=\"l\"> Byly p\u0159id\u00e1ny funkce wl_client_get_user_data() a wl_client_set_user_data(), kter\u00e9 usnad\u0148uj\u00ed p\u0159ipojen\u00ed libovoln\u00fdch dat k klientovi.\n<li class=\"l\"> Byl p\u0159id\u00e1n po\u017eadavek wl_shm.release, kter\u00fd umo\u017e\u0148uje klientovi informovat server o ukon\u010den\u00ed pou\u017e\u00edv\u00e1n\u00ed sd\u00edlen\u00e9ho objektu, co\u017e umo\u017e\u0148uje serveru uvolnit s n\u00edm spojenou pam\u011b\u0165.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora platformy OpenBSD.        <\/ul>\n<p>Ud\u00e1losti souvisej\u00edc\u00ed s Waylandem, kter\u00e9 se staly od publikace minul\u00e9ho vyd\u00e1n\u00ed:  <\/p>\n<ul>\n<li class=\"l\"> Bylo vyd\u00e1no XWayland 24.1.0 s podporou technologie Explicit Sync a zlep\u0161enou podporou architektur 2D zrychlen\u00ed GLAMOR a EXA.\n<li class=\"l\"> Aktualizace kompozitn\u00edho serveru labwc (Lab Wayland Compositor) s funkcemi p\u0159ipom\u00ednaj\u00edc\u00edmi spr\u00e1vce oken Openbox.\n<li class=\"l\"> Projekt wprs, kter\u00fd rozv\u00edj\u00ed pro Wayland spr\u00e1vce relac\u00ed podobn\u00fd utilit\u011b screen, ale pro grafick\u00e9 aplikace.\n<li class=\"l\"> Publikace kompozitn\u00edho serveru Niri, kter\u00fd pou\u017e\u00edv\u00e1 Wayland a nab\u00edz\u00ed metodu m\u0159\u00ed\u017ekov\u00e9 (tiling) kompozice s seskupov\u00e1n\u00edm oken do nekone\u010dn\u011b posuvn\u00e9ho p\u00e1su na obrazovce.\n<li class=\"l\"> Aktualizace sady protokol\u016f a roz\u0161\u00ed\u0159en\u00ed Wayland-Protocols: 1.34, 1.33, 1.32, 1.35.\n<li class=\"l\"> V\u00fdvoj knihovny SDL3, kter\u00e1 pou\u017e\u00edv\u00e1 Wayland jako v\u00fdchoz\u00ed.\n<li class=\"l\"> Vyd\u00e1n\u00ed prost\u0159ed\u00ed pracovn\u00edho stolu LXQt 2.0.0 s podporou Waylandu v souborov\u00e9m spr\u00e1vci PCManFM-Qt, syst\u00e9mu upozorn\u011bn\u00ed, pracovn\u00ed plo\u0161e, utilit\u011b pro spou\u0161t\u011bn\u00ed program\u016f (Runner), panelu, rozhran\u00ed pro odhl\u00e1\u0161en\u00ed, rozhran\u00ed pro nastaven\u00ed LXQt a v\u011bt\u0161in\u011b aplikac\u00ed.\n<li class=\"l\"> Uvoln\u011bn\u00ed u\u017eivatelsk\u00e9ho prost\u0159ed\u00ed Sway 1.9, kter\u00e9 pou\u017e\u00edv\u00e1 Wayland.\n<li class=\"l\"> Nov\u00fd kompozitn\u00ed spr\u00e1vce miracle-wm, kter\u00fd se zakl\u00e1d\u00e1 na Waylandu a komponentech pro v\u00fdstavbu kompozitn\u00edch spr\u00e1vc\u016f Mir.\n<li class=\"l\"> Louvre \u2014 nov\u00e1 knihovna pro v\u00fdvoj kompozitn\u00edch <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/\"   title=\"servery\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1528\">servery<\/a> na b\u00e1zi Waylandu.\n<li class=\"l\"> Pr\u00e1ce na implementaci podpory Waylandu v Xfce.\n<li class=\"l\">  Z\u00e1kladn\u00ed podpora Waylandu v prost\u0159ed\u00ed pracovn\u00edho stolu Budgie.\n<li class=\"l\"> Z\u00e1kladn\u00ed podpora Waylandu v prost\u0159ed\u00ed pracovn\u00edho stolu Cinnamon.\n<li class=\"l\"> T\u00e9m\u011b\u0159 dokon\u010deno portov\u00e1n\u00ed pracovn\u00ed plochy MATE pro Wayland.\n<li class=\"l\"> Distribuce Lubuntu p\u0159ech\u00e1z\u00ed na pou\u017e\u00edv\u00e1n\u00ed Qt 6 a Waylandu.\n<li class=\"l\"> Ve KDE 6 je v\u00fdchoz\u00edm re\u017eimem sezen\u00ed, kter\u00e9 pou\u017e\u00edv\u00e1 protokol Wayland. Byla implementov\u00e1na podpora roz\u0161\u00ed\u0159en\u00ed Wayland pro spr\u00e1vu barev.\n<li class=\"l\"> V platform\u011b Electron byl zahrnut re\u017eim dekorace oken pro Wayland.\n<li class=\"l\"> Aktualizace kompozitn\u00edho serveru Wayfire, kter\u00fd pou\u017e\u00edv\u00e1 Wayland a umo\u017e\u0148uje vytv\u00e1\u0159et u\u017eivatelsk\u00e1 rozhran\u00ed s 3D efekty ve stylu 3D plugin\u016f pro Compiz.\n<li class=\"l\"> Podpora Waylandu v IDE IntelliJ a OpenJDK.\n<li class=\"l\"> Podpora Waylandu v textov\u00e9m editoru GNU Emacs.\n<li class=\"l\"> V GNOME v sezen\u00ed zalo\u017een\u00e9m na Waylandu byla implementov\u00e1na podpora programov\u00e9ho KVM p\u0159ep\u00edna\u010de Input Leap, kter\u00fd umo\u017e\u0148uje pou\u017e\u00edvat jednu kl\u00e1vesnici a my\u0161 k ovl\u00e1d\u00e1n\u00ed n\u011bkolika po\u010d\u00edta\u010d\u016f.\n<li class=\"l\"> Verze Fedora s pracovn\u00edm stolem KDE p\u0159estala podporovat sezen\u00ed zalo\u017een\u00e9 na protokolu X11 ve sv\u00e9 z\u00e1kladn\u00ed nab\u00eddce.\n<li class=\"l\"> Byla vylep\u0161ena podpora prost\u0159ed\u00ed zalo\u017een\u00fdch na Waylandu v propriet\u00e1rn\u00edch ovlada\u010d\u00edch NVIDIA.\n<li class=\"l\"> Byl zaveden ovlada\u010d, kter\u00fd umo\u017e\u0148uje pou\u017e\u00edvat Wine v prost\u0159ed\u00edch zalo\u017een\u00fdch na protokolu Wayland bez pou\u017eit\u00ed XWayland a komponent\u016f X11.\n<li class=\"l\"> Byla vyd\u00e1na verze kompozitn\u00edho serveru Weston 13.0.\n<li class=\"l\"> Pro testov\u00e1n\u00ed pr\u00e1ce KDE, GNOME, Enlightenment, Wayfire, Mir, Xfce a Sway na Waylandu je k dispozici speci\u00e1ln\u00ed Live distribuce Rebecca Black Linux.\n<li class=\"l\"> V linuxov\u00fdch verz\u00edch Firefoxu je ve v\u00fdchoz\u00edm nastaven\u00ed zapnuta podpora kompozitn\u00edho serveru Wayland m\u00edsto XWayland. Je poskytnuta mo\u017enost vytv\u00e1\u0159et verze, kter\u00e9 podporuj\u00ed pr\u00e1ci pouze v Waylandu.         <\/ul>\n<p>P\u0159ipome\u0148me, \u017ee Wayland je protokol pro interakci mezi kompozitn\u00edm serverem a aplikacemi, kter\u00e9 s n\u00edm pracuj\u00ed. Klienti samostatn\u011b prov\u00e1d\u011bj\u00ed vykreslov\u00e1n\u00ed sv\u00fdch oken v odd\u011blen\u00e9m vyrovn\u00e1vac\u00edm pam\u011bti, p\u0159ed\u00e1vaj\u00ed informace o aktualizac\u00edch kompozitn\u00edmu serveru, kter\u00fd kombinuje obsah buffer\u016f jednotliv\u00fdch aplikac\u00ed pro vytv\u00e1\u0159en\u00ed kone\u010dn\u00e9ho v\u00fdstupu s ohledem na mo\u017en\u00e9 nuance, jako je p\u0159ekryt\u00ed oken a pr\u016fhlednost. Jin\u00fdmi slovy, kompozitn\u00ed server neposkytuje API pro vykreslov\u00e1n\u00ed jednotliv\u00fdch prvk\u016f, ale operuje pouze s ji\u017e vytvo\u0159en\u00fdmi okny, co\u017e umo\u017e\u0148uje zbavit se dvojit\u00e9ho vyrovn\u00e1v\u00e1n\u00ed p\u0159i pou\u017e\u00edv\u00e1n\u00ed vysoce \u00farov\u0148ov\u00fdch knihoven, jako jsou GTK a Qt, kter\u00e9 se uj\u00edmaj\u00ed pr\u00e1ce s uspo\u0159\u00e1d\u00e1n\u00edm obsahu oken.      <\/p>\n<p>Wayland \u0159e\u0161\u00ed mnoho bezpe\u010dnostn\u00edch probl\u00e9m\u016f X11, proto\u017ee na rozd\u00edl od n\u011bj izoluje vstup a v\u00fdstup pro ka\u017ed\u00e9 okno, neumo\u017e\u0148uje klientovi p\u0159\u00edstup k obsahu oken jin\u00fdch klient\u016f a tak\u00e9 nezp\u0159\u00edstup\u0148uje zachyt\u00e1v\u00e1n\u00ed ud\u00e1lost\u00ed vstupu souvisej\u00edc\u00edch s jin\u00fdmi okny. V sou\u010dasnosti je podpora p\u0159\u00edm\u00e9 pr\u00e1ce s Waylandem ji\u017e realizov\u00e1na pro knihovny GTK, Qt, SDL (od verze 2.0.2), Clutter a EFL (Enlightenment Foundation Library). Od Qt 5.4 je sou\u010d\u00e1st\u00ed tak\u00e9 modul QtWayland s implementac\u00ed komponent pro pr\u00e1ci Qt aplikac\u00ed v prost\u0159ed\u00ed kompozitn\u00edho serveru Weston, kter\u00fd vyv\u00edj\u00ed projekt Wayland.      <\/p>\n<p>Interakce s hardwarem v Waylandu\/Westonu, nap\u0159\u00edklad prov\u00e1d\u011bn\u00ed inicializace, p\u0159ep\u00edn\u00e1n\u00ed video re\u017eim\u016f (drm modesetting) a spr\u00e1va pam\u011bti (GEM pro i915 a TTM pro radeon a nouveau) grafick\u00fdch karet, m\u016f\u017ee prob\u00edhat p\u0159\u00edmo prost\u0159ednictv\u00edm modulu b\u011b\u017e\u00edc\u00edho na \u00farovni j\u00e1dra, co\u017e umo\u017e\u0148uje obej\u00edt se bez pr\u00e1v superu\u017eivatele. Kompozitn\u00ed server Weston m\u016f\u017ee pracovat nejen s vyu\u017eit\u00edm DRM modulu j\u00e1dra Linux, ale tak\u00e9 nad X11, dal\u0161\u00edm kompozitn\u00edm serverem Wayland, framebufferem a RDP. Krom\u011b toho se rozv\u00edjej\u00ed projekty pro zaji\u0161t\u011bn\u00ed pr\u00e1ce nad grafick\u00fdm stackem platformy Android.     <\/p>\n<p>V r\u00e1mci projektu Weston se vyv\u00edj\u00ed jedna z realizac\u00ed kompozitn\u00edho serveru. Jako kompozitn\u00ed server m\u016f\u017ee tak\u00e9 fungovat jak\u00fdkoli jin\u00fd produkt, kter\u00fd podporuje protokol Wayland. Nap\u0159\u00edklad v sou\u010dasnosti se pracuje na zaji\u0161t\u011bn\u00ed podpory Wayland v KWin. V aktu\u00e1ln\u00edm stavu ji\u017e Weston p\u0159es\u00e1hl r\u00e1mec sady p\u0159\u00edklad\u016f pro testov\u00e1n\u00ed protokolu Wayland a m\u016f\u017ee roz\u0161i\u0159ovat funk\u010dnost pomoc\u00ed plugin\u016f a dopl\u0148k\u016f. U\u017eivatelsk\u00e1 rozhran\u00ed a roz\u0161\u00ed\u0159en\u00e9 funkce spr\u00e1vy oken se navrhuj\u00ed realizovat ve form\u011b extern\u00edch backend\u016f k Weston. Pro zaji\u0161t\u011bn\u00ed fungov\u00e1n\u00ed obvykl\u00fdch aplikac\u00ed X11 v prost\u0159ed\u00ed zalo\u017een\u00e9m na Wayland se pou\u017e\u00edv\u00e1 DDX komponent XWayland (Device-Dependent X), kter\u00fd je organizac\u00ed pr\u00e1ce podobn\u00fd Xwin a Xquartz pro platformy Win32 a macOS.     <center><img decoding=\"async\" alt=\"Dostupn\u00fd Wayland 1.23\" src=\"\/wp-content\/uploads\/2024\/05\/fb78987c01767554a42630c7f970f540.png\" style=\"display:block;margin: 0 auto;\" \/><img decoding=\"async\" alt=\"Dostupn\u00fd Wayland 1.23\" src=\"\/wp-content\/uploads\/2024\/05\/8cc59414b2ba31be4abe2d53ae83141b.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61281\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 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