{"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\/et\/blog\/news\/dlya-staryh-plat-raspberry-pi-podgotovlen-gpu-drajver-s-podderzhkoj-api-vulkan","title":{"rendered":"Vana Raspberry Pi plaatide jaoks on koostatud GPU draiver, mis toetab Vulkan API.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Esitletud<\/a><\/noindex> esimene stabiilne versioon avatud graafikadraiverist RPi-VK-Driver 1.0<\/a><\/noindex>, mis rakendab Vulkani graafika API-d vanade Raspberry Pi plakate jaoks, mis on varustatud Broadcom Videocore IV GPU-ga. Draiver sobib k\u00f5igi Raspberry Pi mudelite jaoks, mis on v\u00e4lja antud enne Raspberry Pi 4 ilmumist, \u2014 alates \u201eZero\u201d ja \u201e1 Model A\u201d kuni \u201e3 Model B+\u201d ja \u201eCompute Module 3+\u201d. Draiveri arendas Martin Thomas (Martin Thomas<\/a><\/noindex>), NVIDIA insener, siiski toimus arendus isikliku projektina, mis ei olnud seotud NVIDIA-ga (draiverit arendati viimased kaks aastat vabal ajal). Kood GNU \u00dcldine Avaliku litsentsi alusel.<\/a><\/noindex> on MIT litsentsi all.<\/p>\n

Kuna GPU VideoCore IV, mille vanemad Raspberry Pi mudelid on varustatud, ei suuda t\u00e4ielikult teostada Vulkanit, on draiveris rakendatud vaid Vulkan API alamhulk, mis ei katab kogu standardit, kuid p\u00fc\u00fcab sellele nii palju kui riistvara lubab j\u00e4rgi. Sellegipoolest piisab saadaval olevast funktsionaalsusest paljude rakenduste ja m\u00e4ngude jaoks, ning j\u00f5udlus \u00fcletab oluliselt OpenGL draivereid, t\u00e4nu t\u00f5husamale m\u00e4lu haldusele, mitme l\u00f5ime t\u00f6\u00f6tlemisele GPU k\u00e4skudega ja otse GPU operatsioonide juhtimisele. Draiver toetab ka selliseid funktsioone nagu MSAA (Multisample anti-aliasing), madala taseme shaderid ja j\u00f5udlusm\u00f5\u00f5dikud. Piirangutena on m\u00e4rgitud GLSL shaderite toe puudumine, mis on praegu arendusetapis veel saadaval.<\/p>\n

Sama autor avaldatud<\/a><\/noindex> Quake 3 m\u00e4ngu port Raspberry Pi-le, mis toimib uue draiveri v\u00f5imaluste demonstreerimise n\u00e4itena. M\u00e4ng p\u00f5hineb ioQuake3 mootoril, kuhu on lisatud Vulkanil p\u00f5hinev modulaarne renderdamise tagumine osa, mille algatas projekt Quake III Arena Kenny Edition<\/a><\/noindex>. Uue draiveri kasutamisel m\u00e4ngus \u00f5nnestus saavutada<\/a><\/noindex> \u00fcle 100 kaadri sekundis (FPS) renderdamine Raspberry Pi 3B+ kaardil 720p eraldusv\u00f5imega.<\/p>\n

Tuletame meelde, et Raspberry Pi Foundation koost\u00f6\u00f6s ettev\u00f5ttega Igalia on<\/a><\/noindex> arendab oma Vulkan-draiverit, mis on arengu algstaadiumis ja on valmis k\u00e4ivitama m\u00f5ningaid reaalseid rakendusi 2020. aasta teises pooles. Antud draiveri toetus on piiratud VideoCore VI graafika kujutajaga, mida kasutatakse alates Raspberry Pi 4 mudelist, ja see ei toeta vanemaid kaarte. Vulkani kasutamine v\u00f5imaldab v\u00f5rreldes OpenGL-iga t\u00f5sta j\u00f5udlust<\/a><\/noindex> graafika- ja m\u00e4ngurakendustes.<\/p>\n

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

Allikas: opennet.ru<\/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 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