{"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\/hu\/blog\/news\/dlya-staryh-plat-raspberry-pi-podgotovlen-gpu-drajver-s-podderzhkoj-api-vulkan","title":{"rendered":"A r\u00e9gi Raspberry Pi alaplapokhoz GPU-illeszt\u0151program k\u00e9sz\u00fclt, amely t\u00e1mogatja a Vulkan API-t","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Bemutatva<\/a><\/noindex> az els\u0151 stabil kiad\u00e1s ny\u00edlt grafikus meghajt\u00f3 RPi-VK-Driver 1.0<\/a><\/noindex>, amely t\u00e1mogatja a Vulkan grafikus API-t a r\u00e9gebbi Raspberry Pi alaplapokhoz, amelyeket Broadcom Videocore IV GPU-val sz\u00e1ll\u00edtanak. A meghajt\u00f3 minden Raspberry Pi modellhez megfelel\u0151, amely a Raspberry Pi 4 megjelen\u00e9se el\u0151tt k\u00e9sz\u00fclt, — a «Zero» \u00e9s «1 Model A» modellekt\u0151l kezdve eg\u00e9szen a «3 Model B+» \u00e9s «Compute Module 3+» modellekig. A meghajt\u00f3t Martin Thomas fejlesztette ki (Martin Thomas<\/a><\/noindex>) k\u00e9sz\u00edtette, aki az NVIDIA c\u00e9gt\u0151l sz\u00e1rmazik, azonban a fejleszt\u00e9s szem\u00e9lyes projektk\u00e9nt zajlott, amely nem kapcsol\u00f3dik az NVIDIA-hoz (a meghajt\u00f3 fejleszt\u00e9se az elm\u00falt k\u00e9t \u00e9vben a munkaid\u0151n k\u00edv\u00fcl folyt). A k\u00f3d terjeszt\u00e9sre ker\u00fcl<\/a><\/noindex> MIT licenc alatt \u00e1ll.<\/p>\n

Mivel a VideoCore IV GPU, amellyel a r\u00e9gi Raspberry Pi modellek rendelkeznek, nem elegend\u0151 a Vulkan teljes k\u00f6r\u0171 megval\u00f3s\u00edt\u00e1s\u00e1hoz, a meghajt\u00f3ban csak a Vulkan API egy r\u00e9szhalmaza ker\u00fclt bevezet\u00e9sre, amely nem fedi le a teljes szabv\u00e1nyt, de igyekszik k\u00f6vetni azt, amennyire a hardver lehet\u0151v\u00e9 teszi. Ennek ellen\u00e9re a rendelkez\u00e9sre \u00e1ll\u00f3 funkci\u00f3k elegend\u0151ek sz\u00e1mos alkalmaz\u00e1s \u00e9s j\u00e1t\u00e9k sz\u00e1m\u00e1ra, \u00e9s a teljes\u00edtm\u00e9ny jelent\u0151sen meghaladja az OpenGL meghajt\u00f3k\u00e9t, a mem\u00f3ria kezel\u00e9s\u00e9nek hat\u00e9konyabb ir\u00e1ny\u00edt\u00e1sa, a GPU m\u0171veletek p\u00e1rhuzamos feldolgoz\u00e1sa \u00e9s a GPU k\u00f6zvetlen kezel\u00e9s\u00e9nek k\u00f6sz\u00f6nhet\u0151en. A meghajt\u00f3 emellett t\u00e1mogat bizonyos funkci\u00f3kat, mint p\u00e9ld\u00e1ul a MSAA (T\u00f6bbp\u00e9ld\u00e1nyos \u00e9lsim\u00edt\u00e1s), alacsony szint\u0171 shaderek \u00e9s teljes\u00edtm\u00e9nym\u00e9r\u0151k. A korl\u00e1toz\u00e1sok k\u00f6z\u00e9 tartozik a GLSL shaderek t\u00e1mogat\u00e1s\u00e1nak hi\u00e1nya, amelyek ezen a fejleszt\u00e9si szakaszon m\u00e9g nem \u00e9rhet\u0151k el.<\/p>\n

Ugyanaz a szerz\u0151 megjelent<\/a><\/noindex> a Quake 3 j\u00e1t\u00e9k portja Raspberry Pi-re, amely a \u00faj meghajt\u00f3 k\u00e9pess\u00e9geinek bemutat\u00e1sak\u00e9nt szolg\u00e1l. A j\u00e1t\u00e9k az ioQuake3 motorra \u00e9p\u00fcl, amelyhez Vulkan alap\u00fa modul\u00e1ris renderel\u0151 h\u00e1tt\u00e9r lett hozz\u00e1adva, amit eredetileg a projekt fejlesztett. Quake III Arena Kenny Edition<\/a><\/noindex>projekthez fejlesztettek ki. Az \u00faj meghajt\u00f3 haszn\u00e1lat\u00e1val a j\u00e1t\u00e9kban siker\u00fclt el\u00e9rni<\/a><\/noindex> t\u00f6bb mint 100 k\u00e9pkock\u00e1t m\u00e1sodpercenk\u00e9nt (FPS) a Raspberry Pi 3B+-en 720p felbont\u00e1s mellett.<\/p>\n

Eml\u00e9keztet\u00fcnk, hogy a Raspberry Pi Alap\u00edtv\u00e1ny a Igalia c\u00e9ggel k\u00f6z\u00f6sen akt\u00edvan<\/a><\/noindex> fejleszti saj\u00e1t Vulkan meghajt\u00f3j\u00e1t, amely m\u00e9g kezdeti fejleszt\u00e9si szakaszban van, \u00e9s amely v\u00e1rhat\u00f3an 2020 m\u00e1sodik fel\u00e9ben lesz k\u00e9szen n\u00e9h\u00e1ny val\u00f3s alkalmaz\u00e1s futtat\u00e1s\u00e1ra. Az eml\u00edtett meghajt\u00f3 a VideoCore VI grafikus gyors\u00edt\u00f3 t\u00e1mogat\u00e1s\u00e1ra van korl\u00e1tozva, amely a Raspberry Pi 4-t\u0151l kezdve alkalmazand\u00f3, \u00e9s nem t\u00e1mogatja a r\u00e9gi alaplapokat. Az OpenGL-hez k\u00e9pest a Vulkan haszn\u00e1lata lehet\u0151v\u00e9 teszi a grafikai alkalmaz\u00e1sok \u00e9s j\u00e1t\u00e9kok teljes\u00edtm\u00e9ny\u00e9nek n\u00f6vel\u00e9s\u00e9t.<\/a><\/noindex> grafikai alkalmaz\u00e1sok \u00e9s j\u00e1t\u00e9kok.<\/p>\n

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

Forr\u00e1s: 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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