{"id":111639,"date":"2023-11-20T21:10:15","date_gmt":"2023-11-20T19:10:18","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupna-louvre-1-0-biblioteka-dlya-razrabotki-kompozitnyh-serverov-na-baze-wayland"},"modified":"2023-11-20T21:10:15","modified_gmt":"2023-11-20T19:10:18","slug":"dostupna-louvre-1-0-biblioteka-dlya-razrabotki-kompozitnyh-serverov-na-baze-wayland","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/dostupna-louvre-1-0-biblioteka-dlya-razrabotki-kompozitnyh-serverov-na-baze-wayland","title":{"rendered":"Disponibile Louvre 1.0, libreria per lo sviluppo di server compositi basati su Wayland.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Gli sviluppatori del progetto Cuarzo OS hanno presentato la prima versione della libreria Louvre, che fornisce componenti per lo sviluppo di server compositi basati sul protocollo Wayland. Il codice \u00e8 scritto in C++ e distribuito con licenza GPLv3.    <\/p>\n<p>La libreria si occupa di tutte le operazioni a basso livello, inclusa la gestione dei buffer grafici, l'interazione con i sottomoduli di input e le API grafiche in Linux, e offre anche implementazioni pronte di varie estensioni del protocollo Wayland. La disponibilit\u00e0 di componenti pronti consente di non spendere mesi di lavoro per creare elementi a basso livello standard, ma di ottenere subito una struttura funzionante del compositore. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-los-angeles\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3823\">server<\/a>, che pu\u00f2 essere adattata alle proprie esigenze e ampliata con la funzionalit\u00e0 avanzata necessaria. Se necessario, il programmatore pu\u00f2 ridefinire i metodi forniti dalla libreria per gestire protocolli, eventi di input e rendering.      <\/p>\n<p>Secondo gli sviluppatori, la libreria supera notevolmente in termini di prestazioni le soluzioni concorrenti. Ad esempio, un esempio di server composito creato con Louvre, denominato louvre-weston-clone, che riproduce la funzionalit\u00e0 del progetto Weston, consuma meno risorse CPU e GPU rispetto a Weston e Sway, come dimostrato nei test, e consente di ottenere un FPS costantemente elevato anche in scenari complessi.         <center><img decoding=\"async\" alt=\"Disponibile Louvre 1.0, libreria per lo sviluppo di server compositi basati su Wayland.\" src=\"\/wp-content\/uploads\/2023\/11\/edd48cb7475445449bce91dde851788f.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>              <\/p>\n<p>Le principali funzionalit\u00e0 di Louvre:  <\/p>\n<ul>\n<li class=\"l\"> Supporto per configurazioni con pi\u00f9 GPU (Multi-GPU).\n<li class=\"l\"> Supporto per pi\u00f9 sessioni utente (Multi-Session, cambio TTY).\n<li class=\"l\"> Sistema di rendering con supporto per metodi basati su rendering 2D (LPainter), scene (Scene) e visualizzazioni (Views).\n<li class=\"l\"> Possibilit\u00e0 di utilizzare i propri shader e programmi OpenGL ES 2.0.\n<li class=\"l\"> Ridisegno automatico eseguito su richiesta (solo quando cambia il contenuto dell'area).\n<li class=\"l\"> Esecuzione multithread, che consente di ottenere alti FPS con v-sync attivato anche durante il rendering di scenari complessi (implementazioni single-thread hanno problemi a mantenere alti FPS a causa di frame persi che non possono essere elaborati a causa di ritardi nell'attesa della sincronizzazione con il segnale di blanking del frame (vblank).\n<li class=\"l\"> Supporto per buffering singolo, doppio e triplo.\n<li class=\"l\"> Implementazione del buffer di scambio per dati testuali.\n<li class=\"l\"> Supporto per Wayland e le estensioni:\n<ul>\n<li class=\"l\"> XDG Shell \u2014 un'interfaccia per la creazione e l'interazione con superfici come se fossero finestre, consentendo di spostarle, minimizzarle, massimizzarle, ridimensionarle, ecc.\n<li class=\"l\"> XDG Decoration \u2014 il rendering delle decorazioni delle finestre lato server.\n<li class=\"l\">  Presentation Time \u2014 garantisce la visualizzazione dei video.\n<li class=\"l\"> Linux DMA-Buf \u2014 condivisione di pi\u00f9 schede grafiche tramite la tecnologia dma-buf.  <\/ul>\n<li class=\"l\"> Supporto per l'operativit\u00e0 in ambienti basati su driver Intel (i915), AMD (amdgpu) e NVIDIA (driver proprietario o nouveau).\n<li class=\"l\"> Funzionalit\u00e0 non ancora implementate (nella lista dei piani):\n<ul>\n<li class=\"l\"> Touch Events \u2014 gestione degli eventi da schermi touch.\n<li class=\"l\"> Pointer Gestures \u2014 gestione tramite schermi touch.\n<li class=\"l\">  Viewporter \u2014 consente al client di eseguire azioni di zoom e ritaglio dei bordi della superficie lato server.\n<li class=\"l\">  Trasformazione degli oggetti LView.\n<li class=\"l\">  XWayland \u2014 avvio di applicazioni X11.  <\/ul>\n<\/ul>\n<p>                  <center><img decoding=\"async\" alt=\"Disponibile Louvre 1.0, libreria per lo sviluppo di server compositi basati su Wayland.\" src=\"\/wp-content\/uploads\/2023\/11\/5f8f2e25ef4d1113348fa9717382d7c9.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <center><img decoding=\"async\" alt=\"Disponibile Louvre 1.0, libreria per lo sviluppo di server compositi basati su Wayland.\" src=\"\/wp-content\/uploads\/2023\/11\/9bb31a97dafdb3f4766f1dd3b01be4e4.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60149\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Cuarzo OS \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 Louvre, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043a\u043e\u043c\u043f\u043e\u0437\u0438\u0442\u043d\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 Wayland. \u041a\u043e\u0434 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421++ \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv3. \u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u0431\u0435\u0440\u0451\u0442 \u043d\u0430 \u0441\u0435\u0431\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0432\u0441\u0435\u0445 \u043d\u0438\u0437\u043a\u043e\u0443\u0440\u043e\u0432\u043d\u0435\u0432\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u043c\u0438 \u0431\u0443\u0444\u0435\u0440\u0430\u043c\u0438, \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0435 \u0441 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0430\u043c\u0438 \u0432\u0432\u043e\u0434\u0430 \u0438 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u043c\u0438 API \u0432 Linux, \u0438 \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442 \u0433\u043e\u0442\u043e\u0432\u044b\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":111640,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-111639","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Cuarzo OS \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 Louvre, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 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