{"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\/cs\/blog\/news\/dlya-staryh-plat-raspberry-pi-podgotovlen-gpu-drajver-s-podderzhkoj-api-vulkan","title":{"rendered":"Pro star\u00e9 desky Raspberry Pi byl p\u0159ipraven GPU ovlada\u010d s podporou API Vulkan","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

P\u0159edstaven\u00ed<\/a><\/noindex> Prvn\u00ed stabiln\u00ed verze otev\u0159en\u00e9ho grafick\u00e9ho ovlada\u010de RPi-VK-Driver 1.0<\/a><\/noindex>, kter\u00fd implementuje podporu grafick\u00e9ho API Vulkan pro star\u0161\u00ed desky Raspberry Pi dod\u00e1van\u00e9 s GPU Broadcom Videocore IV. Ovlada\u010d je vhodn\u00fd pro v\u0161echny modely desek Raspberry Pi vydan\u00e9 p\u0159ed p\u0159\u00edchodem Raspberry Pi 4, od \"Zero\" a \"1 Model A\" po \"3 Model B+\" a \"Compute Module 3+\". Ovlada\u010d vyvinul Martin Thomas (Martin Thomas<\/a><\/noindex>), in\u017een\u00fdr ze spole\u010dnosti NVIDIA, p\u0159i\u010dem\u017e v\u00fdvoj prob\u00edhal jako osobn\u00ed projekt, nesouvisej\u00edc\u00ed se spole\u010dnost\u00ed NVIDIA (ovlada\u010d byl vyv\u00edjen posledn\u00ed dva roky ve voln\u00e9m \u010dase). K\u00f3d distribuov\u00e1no<\/a><\/noindex> je licencov\u00e1n pod MIT licenc\u00ed.<\/p>\n

Proto\u017ee mo\u017enosti GPU VideoCore IV, kter\u00fdm jsou vybaveny star\u0161\u00ed modely Raspberry Pi, nesta\u010d\u00ed pro plnohodnotnou implementaci Vulkan, ovlada\u010d implementuje pouze podmno\u017einu API Vulkan, kter\u00e1 nepokr\u00fdv\u00e1 cel\u00fd standard, ale sna\u017e\u00ed se mu p\u0159izp\u016fsobit v r\u00e1mci technick\u00fdch mo\u017enost\u00ed. I p\u0159esto je dostupn\u00e1 funk\u010dnost dostate\u010dn\u00e1 pro mnoh\u00e9 aplikace a hry, a v\u00fdkon v\u00fdrazn\u011b p\u0159ekon\u00e1v\u00e1 ovlada\u010de OpenGL d\u00edky efektivn\u011bj\u0161\u00edmu \u0159\u00edzen\u00ed pam\u011bti, v\u00edcestup\u0148ov\u00e9mu zpracov\u00e1n\u00ed p\u0159\u00edkaz\u016f GPU a p\u0159\u00edm\u00e9mu \u0159\u00edzen\u00ed operacemi GPU. Ovlada\u010d tak\u00e9 podporuje takov\u00e9 funkce jako MSAA (multisample anti-aliasing), n\u00edzko\u00farov\u0148ov\u00e9 shadery a m\u011b\u0159i\u010de v\u00fdkonu. Mezi zm\u00edn\u011bn\u00fdmi omezen\u00edmi je absence podpory shader\u016f GLSL, kter\u00e9 zat\u00edm nejsou k dispozici v t\u00e9to f\u00e1zi v\u00fdvoje.<\/p>\n

Tento stejn\u00fd autor byla vyd\u00e1na<\/a><\/noindex> port hry Quake 3 pro Raspberry Pi, slou\u017e\u00edc\u00ed jako demonstrace mo\u017enost\u00ed nov\u00e9ho ovlada\u010de. Hra je zalo\u017eena na enginu ioQuake3, do kter\u00e9ho byl p\u0159id\u00e1n modul\u00e1rn\u00ed backend renderov\u00e1n\u00ed zalo\u017een\u00fd na Vulkan, p\u016fvodn\u011b vyv\u00edjen\u00fd projektem Quake III Arena Kenny Edition<\/a><\/noindex>. P\u0159i pou\u017eit\u00ed nov\u00e9ho ovlada\u010de ve h\u0159e se poda\u0159ilo dos\u00e1hnout<\/a><\/noindex> v\u00fdkresu v\u00edce ne\u017e 100 sn\u00edmk\u016f za sekundu (FPS) na desce Raspberry Pi 3B+ p\u0159i v\u00fdstupu v rozli\u0161en\u00ed 720p.<\/p>\n

P\u0159ipom\u00edn\u00e1me, \u017ee organizace Raspberry Pi Foundation ve spolupr\u00e1ci se spole\u010dnost\u00ed Igalia vede<\/a><\/noindex> vyv\u00edj\u00ed sv\u016fj vlastn\u00ed Vulkan ovlada\u010d, kter\u00fd je v po\u010d\u00e1te\u010dn\u00edm st\u00e1diu v\u00fdvoje a bude p\u0159ipraven pro spu\u0161t\u011bn\u00ed n\u011bkter\u00fdch re\u00e1ln\u00fdch aplikac\u00ed ve druh\u00e9 polovin\u011b roku 2020. Dan\u00fd ovlada\u010d je omezen podporou grafick\u00e9ho akceler\u00e1toru VideoCore VI, kter\u00fd se pou\u017e\u00edv\u00e1 od modelu Raspberry Pi 4, a nepodporuje star\u0161\u00ed desky. Ve srovn\u00e1n\u00ed s OpenGL pou\u017eit\u00ed Vulkan umo\u017e\u0148uje dos\u00e1hnout zv\u00fd\u0161en\u00ed v\u00fdkonu<\/a><\/noindex> grafick\u00fdch aplikac\u00ed a her.<\/p>\n

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

Zdroj: 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 \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\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\udd47Pro star\u00e9 desky Raspberry Pi byl p\u0159ipraven GPU ovlada\u010d s podporou API Vulkan | 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