Projekt lsfg-vk p\u0159ipravil neofici\u00e1ln\u00ed port utilitky Lossless Scalings Frame Generation (LSFG) pro platformu Linux, kter\u00e1 vyu\u017e\u00edv\u00e1 DXVK a grafick\u00e9 API Vulkan. K\u00f3d projektu je naps\u00e1n v jazyce C++ a je um\u00edst\u011bn pod licenc\u00ed MIT. V\u00fdvoj byl proveden extern\u00edm nad\u0161encem, kter\u00fd pomoc\u00ed reverzn\u00edho in\u017een\u00fdrstv\u00ed znovu vytvo\u0159il funkcionalitu propriet\u00e1rn\u00edho LSFG. <\/p>\n
Aplikace umo\u017e\u0148uje \u0161k\u00e1lov\u00e1n\u00ed v\u00fdstupu hern\u00edch aplikac\u00ed navr\u017een\u00fdch pro spu\u0161t\u011bn\u00ed v samostatn\u00e9m okn\u011b, aby je bylo mo\u017en\u00e9 zobrazit na cel\u00e9 obrazovce. Utilita m\u016f\u017ee b\u00fdt tak\u00e9 pot\u0159ebn\u00e1 k odstran\u011bn\u00ed rozmazan\u00e9ho v\u00fdstupu p\u0159i \u0161k\u00e1lov\u00e1n\u00ed pomoc\u00ed integrovan\u00e9 grafick\u00e9 subsyst\u00e9my nebo k obch\u00e1zen\u00ed omezen\u00ed ve hr\u00e1ch, kter\u00e9 jsou v\u00e1z\u00e1ny na pevn\u00e1 rozli\u0161en\u00ed obrazovky. Krom\u011b toho je mo\u017en\u00e9 zv\u00fd\u0161it plynulost v\u00fdstupu a zv\u00fd\u0161it sn\u00edmkovou frekvenci ve hr\u00e1ch, kter\u00e9 nejsou ur\u010deny pro vysok\u00fd FPS, pomoc\u00ed dopln\u011bn\u00ed dal\u0161\u00edch mezisn\u00edmk\u016f vytvo\u0159en\u00fdch na z\u00e1klad\u011b interpolace sousedn\u00edch sn\u00edmk\u016f. <\/p>\n
K rekonstrukci chyb\u011bj\u00edc\u00edch detail\u016f a \u0161k\u00e1lov\u00e1n\u00ed v LSFG mohou b\u00fdt pou\u017eity jak vlastn\u00ed origin\u00e1ln\u00ed algoritmy, tak existuj\u00edc\u00ed technologie na b\u00e1zi strojov\u00e9ho u\u010den\u00ed, jako je AMD FidelityFX Super Resolution a NVIDIA Image Scaling. V\u00fdb\u011br algoritmu z\u00e1vis\u00ed na typu hern\u00edch aplikac\u00ed. Nap\u0159\u00edklad pro modern\u00ed hry se doporu\u010duje pou\u017e\u00edvat vlastn\u00ed algoritmus LS1 nebo technologii supersampling AMD FSR. Pro star\u0161\u00ed hry s pixelovou grafikou se navrhuj\u00ed algoritmy Integer Scaling a xBR, a pro hry ve stylu animovan\u00fdch film\u016f a anime je k dispozici algoritmus Anime4K. Krom\u011b samotn\u00fdch her m\u016f\u017ee b\u00fdt modifikace v\u00fdstupu aplikov\u00e1na tak\u00e9 na emul\u00e1tory pro spu\u0161t\u011bn\u00ed retro her a her pro konzole. <\/p>\n
\u0160k\u00e1lov\u00e1n\u00ed a dopl\u0148ov\u00e1n\u00ed sn\u00edmk\u016f se prov\u00e1d\u00ed za b\u011bhu a nevy\u017eaduje zm\u011bny v hr\u00e1ch. V linuxov\u00e9 variant\u011b se pro dopl\u0148ov\u00e1n\u00ed sn\u00edmk\u016f a zasahov\u00e1n\u00ed do v\u00fdstupu hry pou\u017e\u00edv\u00e1 p\u0159ipojen\u00ed zpracovatele ve form\u011b dal\u0161\u00ed vrstvy Vulkan, pomoc\u00ed kter\u00e9 se prov\u00e1d\u00ed zachycen\u00ed, proveden\u00ed a modifikace existuj\u00edc\u00edch funkc\u00ed Vulkan. Pro pou\u017eit\u00ed lsfg-vk sta\u010d\u00ed nainstalovat knihovnu liblsfg-vk.so a nastavit jej\u00ed parametry prost\u0159ednictv\u00edm prom\u011bnn\u00fdch prost\u0159ed\u00ed. <\/p>\n
Origin\u00e1ln\u00ed LSFG je zkompilovan\u00e1 aplikace pro Windows zalo\u017een\u00e1 na API D3D11. Aby se funk\u010dnost LSFG mohla replikovat v Linuxu, byla implementace p\u0159evedena do podoby, kter\u00e1 vyu\u017e\u00edv\u00e1 API Vulkan. Pro p\u0159enos shader\u016f byl p\u0159id\u00e1n zpracovatel, kter\u00fd zachycuje vol\u00e1n\u00ed D3D11 a ukl\u00e1d\u00e1 shadery na disk, a tak\u00e9 parser pro dynamick\u00e9 extrakce shader\u016f z provediteln\u00fdch soubor\u016f ve form\u00e1tu PE (Portable Executable). Pro p\u0159enos grafick\u00e9ho potrub\u00ed, kter\u00e9 \u0159\u00edd\u00ed vykon\u00e1v\u00e1n\u00ed shader\u016f, byly z aplikace vy\u010dlen\u011bny komponenty zalo\u017een\u00e9 na API D3D11 a pomoc\u00ed DXVK byla zaji\u0161t\u011bna jejich \u010dinnost v Linuxu. Po z\u00edsk\u00e1n\u00ed funk\u010dn\u00ed varianty zalo\u017een\u00e9 na D3D11 a DXVK byl pomoc\u00ed debuggery RenderDoc z\u00edsk\u00e1n p\u0159esn\u00fd rozpis vol\u00e1n\u00ed Vulkan, na jeho\u017e z\u00e1klad\u011b byla p\u0159ipravena fin\u00e1ln\u00ed verze, kter\u00e1 p\u0159\u00edmo vyu\u017e\u00edv\u00e1 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\udd47Byla vytvo\u0159ena varianta utility Lossless Scalings Frame Generation pro Linux | ProHoster","description":"Projekt lsfg-vk p\u0159ipravil neofici\u00e1ln\u00ed port utility Lossless Scalings Frame Generation (LSFG) pro platformu Linux, vyu\u017e\u00edvaj\u00edc\u00ed 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":"