{"id":86095,"date":"2020-06-21T13:42:24","date_gmt":"2020-06-21T11:42:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dlya-staryh-plat-raspberry-pi-podgotovlen-gpu-drajver-s-podderzhkoj-api-vulkan"},"modified":"2020-06-21T13:42:24","modified_gmt":"2020-06-21T11:42:24","slug":"dlya-staryh-plat-raspberry-pi-podgotovlen-gpu-drajver-s-podderzhkoj-api-vulkan","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/dlya-staryh-plat-raspberry-pi-podgotovlen-gpu-drajver-s-podderzhkoj-api-vulkan","title":{"rendered":"Pentru modelele vechi Raspberry Pi a fost preg\u0103tit un driver GPU cu suport pentru API Vulkan","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Prezentat<\/a><\/noindex> prima versiune stabil\u0103 a driverului grafic open-source RPi-VK-Driver 1.0<\/a><\/noindex>, care implementeaz\u0103 suport pentru API-ul grafic Vulkan pentru pl\u0103cile mai vechi Raspberry Pi, livrate cu GPU Broadcom Videocore IV. Driverul este compatibil cu toate modelele de pl\u0103ci Raspberry Pi, lansate \u00eenainte de apari\u021bia Raspberry Pi 4, \u2014 de la \u201eZero\u201d \u0219i \u201e1 Model A\u201d p\u00e2n\u0103 la \u201e3 Model B+\u201d \u0219i \u201eCompute Module 3+\u201d. Driverul a fost dezvoltat de Martin Thomas (Martin Thomas<\/a><\/noindex>), inginer la NVIDIA, totu\u0219i, dezvoltarea a fost realizat\u0103 ca un proiect personal, neasociat cu NVIDIA (driverul a fost dezvoltat \u00een ultimii doi ani \u00een timpul liber). Codul se r\u0103sp\u00e2nde\u0219te<\/a><\/noindex> sub licen\u021ba MIT.<\/p>\n

Deoarece capacit\u0103\u021bile GPU-ului VideoCore IV, echipat pe modelele mai vechi de Raspberry Pi, nu sunt suficiente pentru implementarea complet\u0103 a Vulkan, driverul implementeaz\u0103 doar un subset din API-ul Vulkan, care acoper\u0103 nu \u00eentreaga specifica\u021bie, dar \u00eencearc\u0103 s\u0103 o urmeze c\u00e2t permite hardware-ul. Cu toate acestea, func\u021bionalitatea disponibil\u0103 este suficient\u0103 pentru multe aplica\u021bii \u0219i jocuri, iar performan\u021ba dep\u0103\u0219e\u0219te semnificativ driverele OpenGL, datorit\u0103 gestion\u0103rii mai eficiente a memoriei, proces\u0103rii multi-thread a comenzilor GPU \u0219i gestion\u0103rii directe a opera\u021biunilor GPU. Driverul suport\u0103, de asemenea, func\u021bionalit\u0103\u021bi precum MSAA (Multisample anti-aliasing), shader-e de nivel sc\u0103zut \u0219i contoare de performan\u021b\u0103. Printre restric\u021bii se remarc\u0103 absen\u021ba suportului pentru shader-e GLSL, care nu sunt disponibile \u00een aceast\u0103 etap\u0103 de dezvoltare.<\/p>\n

Acela\u0219i autor publicat<\/a><\/noindex> portul jocului Quake 3 pentru Raspberry Pi, care serve\u0219te ca o demonstra\u021bie a capabilit\u0103\u021bilor noului driver. Jocul este bazat pe motorul ioQuake3, \u00een care a fost ad\u0103ugat un backend modular de redare bazat pe Vulkan, dezvoltat ini\u021bial de proiectul Quake III Arena Kenny Edition<\/a><\/noindex>. Utiliz\u00e2nd noul driver, s-a reu\u0219it ob\u021binerea<\/a><\/noindex> unui num\u0103r de peste 100 de cadre pe secund\u0103 (FPS) pe placa Raspberry Pi 3B+ la o rezolu\u021bie de 720p.<\/p>\n

Reamintim c\u0103 organiza\u021bia Raspberry Pi Foundation, \u00eempreun\u0103 cu compania Igalia se ocup\u0103<\/a><\/noindex> de dezvoltarea propriului driver Vulkan, care se afl\u0103 \u00een stadiul incipient de dezvoltare \u0219i va fi gata pentru lansarea unor aplica\u021bii reale \u00een a doua jum\u0103tate a anului 2020. Acest driver este limitat la suportul pentru acceleratorul grafic VideoCore VI, folosit \u00eencep\u00e2nd cu modelul Raspberry Pi 4, \u0219i nu suport\u0103 pl\u0103cile mai vechi. Comparativ cu OpenGL, utilizarea Vulkan permite obtinerea \u00eembun\u0103t\u0103\u021birii performan\u021bei<\/a><\/noindex> aplica\u021biilor \u0219i jocurilor grafice.<\/p>\n

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

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

\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043f\u0435\u0440\u0432\u044b\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0433\u043e \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 RPi-VK-Driver 1.0, \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u044e\u0449\u0435\u0433\u043e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e API Vulkan \u0434\u043b\u044f \u0441\u0442\u0430\u0440\u044b\u0445 \u043f\u043b\u0430\u0442 Raspberry Pi, \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0445 \u0441 GPU Broadcom Videocore IV. \u0414\u0440\u0430\u0439\u0432\u0435\u0440 \u043f\u043e\u0434\u0445\u043e\u0434\u0438\u0442 \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043c\u043e\u0434\u0435\u043b\u0435\u0439 \u043f\u043b\u0430\u0442 Raspberry Pi, \u0432\u044b\u043f\u0443\u0449\u0435\u043d\u043d\u044b\u0445 \u0434\u043e \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u044f Raspberry Pi 4, — \u043e\u0442 «Zero» \u0438 «1 Model A» \u0434\u043e «3 Model B+» \u0438 «Compute Module 3+». \u0414\u0440\u0430\u0439\u0432\u0435\u0440 […]<\/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-86095","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\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\udd47Pentru pl\u0103cile vechi Raspberry Pi a fost preg\u0103tit un driver GPU cu suport pentru API Vulkan | 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