{"id":75813,"date":"2020-03-28T19:42:24","date_gmt":"2020-03-28T17:42:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/collabora-razvivaet-nadstrojku-dlya-raboty-opencl-i-opengl-poverh-directx"},"modified":"2020-03-28T19:42:24","modified_gmt":"2020-03-28T17:42:24","slug":"collabora-razvivaet-nadstrojku-dlya-raboty-opencl-i-opengl-poverh-directx","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/collabora-razvivaet-nadstrojku-dlya-raboty-opencl-i-opengl-poverh-directx","title":{"rendered":"Collabora rozwija nak\u0142adk\u0119 do pracy OpenCL i OpenGL na DirectX","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Firma Collabora przedstawi\u0142a<\/a><\/noindex> nowy sterownik Gallium dla Mesa, implementuj\u0105cy warstw\u0119 do obs\u0142ugi API OpenCL 1.2 i OpenGL 3.3 na sterownikach wspieraj\u0105cych DirectX 12 (D3D12). Kod opublikowano<\/a><\/noindex> na licencji MIT.<\/p>\n

Proponowany sterownik pozwala na wykorzystanie Mesa na urz\u0105dzeniach, kt\u00f3re pierwotnie nie wspiera\u0142y OpenCL i OpenGL, a tak\u017ce jako punkt wyj\u015bcia do portowania aplikacji OpenGL\/OpenCL do dzia\u0142ania na D3D12. Dla producent\u00f3w GPU podsystem umo\u017cliwia zapewnienie wsparcia dla OpenCL i OpenGL w przypadku, gdy dost\u0119pne s\u0105 jedynie sterowniki wspieraj\u0105ce D3D12. <\/p>\n

W najbli\u017cszych planach zaznaczone jest osi\u0105gni\u0119cie pe\u0142nego uko\u0144czenia test\u00f3w zgodno\u015bci z OpenCL 1.2 i OpenGL 3.3, sprawdzenie zgodno\u015bci z aplikacjami oraz w\u0142\u0105czenie wynik\u00f3w do podstawowego sk\u0142adnika Mesa. Prace prowadzone s\u0105 we wsp\u00f3\u0142pracy z in\u017cynierami Microsoftu, rozwijaj\u0105cymi otwarty<\/a><\/noindex> narz\u0119dzia D3D11On12<\/a><\/noindex> do portowania gier z D3D11 na D3D12 oraz bibliotek\u0119 D3D12TranslationLayer<\/a><\/noindex>, implementuj\u0105c\u0105 typowe prymitywy graficzne na D3D12. <\/p>\n

Realizacja obejmuje sterownik Gallium, kompilator OpenCL, runtime OpenCL oraz kompilator shader\u00f3w NIR-to-DXIL, kt\u00f3ry przekszta\u0142ca u\u017cywane w Mesa po\u015brednie reprezentacje shader\u00f3w NIR do binarnego formatu DXIL (DirectX Intermediate Language), wspieranego w DirectX 12 i opartego na kodzie bitowym LLVM 3.7 (DirectX Shader Compiler<\/a><\/noindex> od Microsoftu, kt\u00f3ry w zasadzie jest rozszerzonym fork-iem LLVM 3.7). Kompilator OpenCL zosta\u0142 przygotowany na podstawie prac projektu LLVM i narz\u0119dzi SPIRV-LLVM<\/a><\/noindex>.<\/p>\n

Teksty \u017ar\u00f3d\u0142owe z rozszerzeniami OpenCL s\u0105 kompilowane za pomoc\u0105 clang do po\u015bredniego pseudokodu LLVM (LLVM IR), kt\u00f3ry nast\u0119pnie jest przekszta\u0142cany w po\u015bredni\u0105 reprezentacj\u0119 rdzeni OpenCL w formacie SPIR-V. Rdzenie w reprezentacji SPIR-V s\u0105 przekazywane do Mesa, t\u0142umaczone do formatu NIR, optymalizowane i przekazywane do NIR-to-DXIL w celu generowania shader\u00f3w obliczeniowych w formacie DXIL, nadaj\u0105cych si\u0119 do wykonania na GPU z u\u017cyciem runtime opartego na DirectX 12.
\nZamiast Clover, wykorzystywanego w implementacji OpenCL w Mesie, zaproponowano nowy runtime OpenCL, pozwalaj\u0105cy na wi\u0119cej bezpo\u015brednich transformacji do API DirectX 12.<\/p>\n

\"Collabora<\/a><\/noindex><\/center><\/p>\n

Sterowniki OpenCL i OpenGL zosta\u0142y przygotowane z wykorzystaniem dostarczonego w Mesa interfejsu Gallium, kt\u00f3ry umo\u017cliwia podczas tworzenia sterownik\u00f3w nie zag\u0142\u0119bianie si\u0119 w specyficzne dla OpenGL detale i translatowa\u0107 wywo\u0142ania OpenGL w byty bardziej zbli\u017cone do prymityw\u00f3w graficznych, kt\u00f3rymi operuj\u0105 nowoczesne GPU. Sterownik Gallium przyjmuje komendy OpenGL i przy wykorzystaniu translatora NIR-to-DXIL
\ntworzy bufory polece\u0144, kt\u00f3re s\u0105 wykonywane na GPU, u\u017cywaj\u0105c sterownika D3D12.<\/p>\n

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

\u0179r\u00f3d\u0142o: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Collabora \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043d\u043e\u0432\u044b\u0439 Gallium-\u0434\u0440\u0430\u0439\u0432\u0435\u0440 \u0434\u043b\u044f Mesa, \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u044e\u0449\u0438\u0439 \u043f\u0440\u043e\u0441\u043b\u043e\u0439\u043a\u0443 \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b API OpenCL 1.2 \u0438 OpenGL 3.3 \u043f\u043e\u0432\u0435\u0440\u0445 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u0432 \u0441 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 DirectX 12 (D3D12). \u041a\u043e\u0434 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT. \u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u0439 \u0434\u0440\u0430\u0439\u0432\u0435\u0440 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c Mesa \u043d\u0430 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445, \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u043d\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0438\u0445 OpenCL \u0438 OpenGL, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0441\u0442\u0430\u0440\u0442\u043e\u0432\u043e\u0439 \u043f\u043e\u0437\u0438\u0446\u0438\u0438 \u0434\u043b\u044f \u043f\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f OpenGL\/OpenCL-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u043e\u0432\u0435\u0440\u0445 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":75814,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-75813","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\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\n","aioseo_head_json":{"title":"\ud83e\udd47Collabora rozwija nak\u0142adk\u0119 do pracy z OpenCL i OpenGL na DirectX | ProHoster","description":"Firma Collabora zaprezentowa\u0142a nowy sterownik Gallium dla 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