O projeto lsfg-vk desenvolveu um portal n\u00e3o oficial da ferramenta Lossless Scalings Frame Generation (LSFG) para a plataforma Linux, utilizando DXVK e a API gr\u00e1fica Vulkan. O c\u00f3digo do projeto foi escrito em C++ e \u00e9 disponibilizado sob licen\u00e7a MIT. O desenvolvimento foi realizado por um entusiasta externo, que recriou a funcionalidade do LSFG propriet\u00e1rio por meio de engenharia reversa de bibliotecas do Windows. <\/p>\n
O aplicativo permite escalar a sa\u00edda de aplicativos de jogos, projetados para serem executados em uma janela separada, para exibi\u00e7\u00e3o em modo de tela cheia. A ferramenta tamb\u00e9m pode ser necess\u00e1ria para eliminar a sa\u00edda borrada ao escalar utilizando a subsistema gr\u00e1fico padr\u00e3o ou para contornar restri\u00e7\u00f5es em jogos que dependem de resolu\u00e7\u00f5es fixas. Al\u00e9m disso, h\u00e1 a possibilidade de aumentar a suavidade da sa\u00edda e aumentar a taxa de quadros em jogos que n\u00e3o foram projetados para altas taxas de FPS, atrav\u00e9s da inser\u00e7\u00e3o de quadros intermedi\u00e1rios adicionais, criados com base na interpola\u00e7\u00e3o dos quadros adjacentes. <\/p>\n
Para recriar detalhes ausentes e escalar no LSFG, podem ser utilizados tanto algoritmos originais propriet\u00e1rios quanto tecnologias existentes baseadas em aprendizado de m\u00e1quina, como AMD FidelityFX Super Resolution e NVIDIA Image Scaling. A escolha do algoritmo depende do tipo de aplicativos de jogos. Por exemplo, para jogos modernos, \u00e9 recomendado usar o algoritmo LS1 ou a tecnologia de super amostragem AMD FSR. Para jogos mais antigos com gr\u00e1ficos pixelados, s\u00e3o sugeridos os algoritmos Integer Scaling e xBR, enquanto para jogos no estilo de desenhos animados e anime, est\u00e1 dispon\u00edvel o algoritmo Anime4K. Al\u00e9m dos jogos em si, a modifica\u00e7\u00e3o da sa\u00edda tamb\u00e9m pode ser aplicada a emuladores para executar jogos retro e jogos de consoles. <\/p>\n
A escalabilidade e a inser\u00e7\u00e3o de quadros s\u00e3o feitas em tempo real e n\u00e3o requerem altera\u00e7\u00f5es nos jogos. Na vers\u00e3o para Linux, para a inser\u00e7\u00e3o de quadros e a interposi\u00e7\u00e3o na sa\u00edda do jogo, \u00e9 utilizada a conex\u00e3o de um manipulador na forma de uma camada adicional do Vulkan, atrav\u00e9s da qual ocorre a intercepta\u00e7\u00e3o, execu\u00e7\u00e3o e modifica\u00e7\u00e3o de fun\u00e7\u00f5es existentes do Vulkan. Para usar o lsfg-vk, \u00e9 suficiente instalar a biblioteca liblsfg-vk.so e configurar seus par\u00e2metros atrav\u00e9s de vari\u00e1veis de ambiente. <\/p>\n
O LSFG original \u00e9 uma aplica\u00e7\u00e3o compilada para Windows baseada na API D3D11. Para recriar a funcionalidade do LSFG no Linux, a implementa\u00e7\u00e3o foi transcrita para uma apresenta\u00e7\u00e3o que utiliza a API Vulkan. Para transferir os shaders, foi adicionado um handler que intercepta chamadas D3D11 e salva os shaders no disco, assim como um parser para extra\u00e7\u00f5es din\u00e2micas de shaders de arquivos execut\u00e1veis no formato PE (Executable Port\u00e1til). Para migrar o pipeline gr\u00e1fico que controla a execu\u00e7\u00e3o dos shaders do aplicativo, foram destacados componentes baseados na API D3D11 e, com a ajuda do DXVK, foi garantido seu funcionamento no Linux. Ap\u00f3s obter uma vers\u00e3o funcional baseada em D3D11 e DXVK, com o depurador RenderDoc foi obtida a disposi\u00e7\u00e3o exata das chamadas Vulkan, com base na qual foi preparado a vers\u00e3o final, utilizando diretamente a 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\udd47Foi criada uma vers\u00e3o da ferramenta Lossless Scalings Frame Generation para Linux | ProHoster","description":"O projeto lsfg-vk preparou um porto n\u00e3o oficial da ferramenta Lossless Scalings Frame Generation (LSFG) para a plataforma Linux, utilizando DXVK e a API gr\u00e1fica 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Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"