Projekt lsfg-vk vypracoval neofici\u00e1lnu verziu n\u00e1stroja Lossless Scalings Frame Generation (LSFG) pre platformu Linux, vyu\u017e\u00edvaj\u00facu DXVK a grafick\u00e9 API Vulkan. K\u00f3d projektu je nap\u00edsan\u00fd v programovacom jazyku C++ a je licencovan\u00fd pod licenciou MIT. V\u00fdvoj realizoval nez\u00e1visl\u00fd nad\u0161enec, ktor\u00fd rekon\u0161truoval funk\u010dnos\u0165 propriet\u00e1rneho LSFG prostredn\u00edctvom reverzn\u00e9ho in\u017einierstva Windows kni\u017en\u00edc. <\/p>\n
Aplik\u00e1cia umo\u017e\u0148uje \u0161k\u00e1lovanie v\u00fdstupu hern\u00fdch aplik\u00e1ci\u00ed, ktor\u00e9 s\u00fa navrhnut\u00e9 na spustenie v samostatnom okne, pre ich zobrazenie v re\u017eime celej obrazovky. N\u00e1stroj m\u00f4\u017ee by\u0165 tie\u017e potrebn\u00fd na odstr\u00e1nenie rozmazan\u00e9ho obrazu pri \u0161k\u00e1lovan\u00ed pomocou \u0161tandardn\u00e9ho grafick\u00e9ho subsyst\u00e9mu alebo na ob\u00eddenie obmedzen\u00ed v hr\u00e1ch viazan\u00fdch na fixn\u00e9 rozl\u00ed\u0161enia obrazovky. Okrem toho je mo\u017en\u00e9 zlep\u0161i\u0165 plynulos\u0165 v\u00fdstupu a zv\u00fd\u0161i\u0165 sn\u00edmkov\u00fa frekvenciu v hr\u00e1ch, ktor\u00e9 nie s\u00fa navrhnut\u00e9 na vysok\u00e9 FPS, prostredn\u00edctvom vkladania dodato\u010dn\u00fdch medzi-sn\u00edmok, vytvoren\u00fdch na z\u00e1klade interpol\u00e1cie okolit\u00fdch sn\u00edmok. <\/p>\n
Na replik\u00e1ciu ch\u00fdbaj\u00facich detailov a \u0161k\u00e1lovanie v LSFG m\u00f4\u017eu by\u0165 pou\u017eit\u00e9 ako vlastn\u00e9 origin\u00e1lne algoritmy, tak existuj\u00face technol\u00f3gie zalo\u017een\u00e9 na strojovom u\u010den\u00ed, ako AMD FidelityFX Super Resolution a NVIDIA Image Scaling. V\u00fdber algoritmu z\u00e1vis\u00ed od typu hern\u00fdch aplik\u00e1ci\u00ed. Napr\u00edklad pre modern\u00e9 hry sa odpor\u00fa\u010da pou\u017e\u00edva\u0165 vlastn\u00fd algoritmus LS1 alebo technol\u00f3giu supersampling AMD FSR. Pre star\u00e9 hry s pixelovou grafikou s\u00fa navrhnut\u00e9 algoritmy Integer Scaling a xBR, a pre hry v \u0161t\u00fdle rozpr\u00e1vok a anime je k dispoz\u00edcii algoritmus Anime4K. Okrem hier m\u00f4\u017ee by\u0165 modifik\u00e1cia v\u00fdstupu aplikovan\u00e1 aj na emul\u00e1tory pre sp\u00fa\u0161\u0165anie retro hier a hier pre hern\u00e9 konzoly. <\/p>\n
\u0160k\u00e1lovanie a vkladanie sn\u00edmok sa vykon\u00e1va za behu a nevy\u017eaduje zmeny v hr\u00e1ch. Vo verzii pre Linux sa na vkladanie sn\u00edmok a zasahovanie do v\u00fdstupu hry pou\u017e\u00edva pripojenie spracovate\u013ea vo forme \u010fal\u0161ej vrstvy Vulkan, pomocou ktorej sa vykon\u00e1va zachytenie, vykonanie a modifik\u00e1cia existuj\u00facich funkci\u00ed Vulkan. Pre pou\u017e\u00edvanie lsfg-vk sta\u010d\u00ed nain\u0161talova\u0165 kni\u017enicu liblsfg-vk.so a nastavi\u0165 jej parametre prostredn\u00edctvom premenn\u00fdch prostredia. <\/p>\n
Origin\u00e1lny LSFG je skompilovan\u00e1 aplik\u00e1cia pre Windows zalo\u017een\u00e1 na API D3D11. Na reprodukciu funkci\u00ed LSFG v Linuxe bola implement\u00e1cia pretransformovan\u00e1 na zobrazenie, ktor\u00e9 pou\u017e\u00edva API Vulkan. Na portovanie shaderov bol pridan\u00fd spracovate\u013e, ktor\u00fd zachyt\u00e1va volania D3D11 a uklad\u00e1 shadery na disk, ako aj parser na dynamick\u00e9 extrakcie shaderov z vykon\u00e1vac\u00edch s\u00faborov vo form\u00e1te PE (Portable Executable). Na prenesenie grafick\u00e9ho potrubia, ktor\u00e9 riadi vykon\u00e1vanie shaderov, boli komponenty na b\u00e1ze API D3D11 oddelen\u00e9 z aplik\u00e1cie a s pomocou DXVK bola zabezpe\u010den\u00e1 ich funk\u010dnos\u0165 v Linuxe. Po z\u00edskan\u00ed funk\u010dnej verzie na b\u00e1ze D3D11 a DXVK, s pomocou debuggeru RenderDoc bola z\u00edskan\u00e1 presn\u00e1 rozkladov\u00e1 mapa volan\u00ed Vulkan, na z\u00e1klade ktorej bola pripraven\u00e1 fin\u00e1lna verzia, ktor\u00e1 priamo vyu\u017e\u00edva API Vulkan. \u041f\u0440\u043e\u0435\u043a\u0442\u043e\u043c lsfg-vk \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d \u043d\u0435\u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0439 \u043f\u043e\u0440\u0442 \u0443\u0442\u0438\u043b\u0438\u0442\u044b Lossless Scalings Frame Generation (LSFG) \u0434\u043b\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Linux, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0439 DXVK \u0438 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0439 API Vulkan. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 C++ \u0438 \u0440\u0430\u0437\u043c\u0435\u0449\u0451\u043d \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT. \u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u043c \u044d\u043d\u0442\u0443\u0437\u0438\u0430\u0441\u0442\u043e\u043c, \u0432\u043e\u0441\u0441\u043e\u0437\u0434\u0430\u0432\u0448\u0438\u043c \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u043e\u0433\u043e LSFG \u0447\u0435\u0440\u0435\u0437 \u043e\u0431\u0440\u0430\u0442\u043d\u044b\u0439 \u0438\u043d\u0436\u0438\u043d\u0438\u0440\u0438\u043d\u0433 Windows-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a. \u041f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0432\u044b\u0432\u043e\u0434 \u0438\u0433\u0440\u043e\u0432\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 \u0437\u0430\u043f\u0443\u0441\u043a \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u043c \u043e\u043a\u043d\u0435, […]<\/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-138937","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\udd47Vytvoren\u00e1 verzia n\u00e1stroja Lossless Scalings Frame Generation pre Linux | ProHoster","description":"Projekt lsfg-vk pripravil neofici\u00e1lny port n\u00e1stroja Lossless Scalings Frame Generation (LSFG) pre platformu Linux, ktor\u00fd vyu\u017e\u00edva DXVK a grafick\u00e9 API 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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"