{"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\/ro\/blog\/news\/collabora-razvivaet-nadstrojku-dlya-raboty-opencl-i-opengl-poverh-directx","title":{"rendered":"Collabora dezvolt\u0103 un driver pentru OpenCL \u0219i OpenGL deasupra DirectX","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Compania Collabora a prezentat<\/a><\/noindex> noul driver Gallium pentru Mesa, care implementeaz\u0103 un strat pentru gestionarea API-urilor OpenCL 1.2 \u0219i OpenGL 3.3 peste driverele cu suport pentru DirectX 12 (D3D12). Cod publicat<\/a><\/noindex> sub licen\u021ba MIT.<\/p>\n

Driverul propus permite utilizarea Mesa pe dispozitive care nu suport\u0103 \u00een mod ini\u021bial OpenCL \u0219i OpenGL, precum \u0219i ca un punct de plecare pentru portarea aplica\u021biilor OpenGL\/OpenCL pentru a func\u021biona peste D3D12. Pentru produc\u0103torii de GPU, subsystema ofer\u0103 posibilitatea de a furniza suport pentru OpenCL \u0219i OpenGL, av\u00e2nd doar drivere cu suport pentru D3D12. <\/p>\n

Printre planurile apropiate se num\u0103r\u0103 atingerea trecerii complete a testelor de compatibilitate pentru OpenCL 1.2 \u0219i OpenGL 3.3, verificarea compatibilit\u0103\u021bii cu aplica\u021biile \u0219i includerea dezvolt\u0103rilor \u00een compunerea principal\u0103 a Mesa. Dezvoltarea se desf\u0103\u0219oar\u0103 \u00eempreun\u0103 cu inginerii Microsoft care dezvolt\u0103 deschis<\/a><\/noindex> un instrumentar D3D11On12<\/a><\/noindex> pentru a traduce jocurile de la D3D11 la D3D12 \u0219i biblioteca D3D12TranslationLayer<\/a><\/noindex>, care implementeaz\u0103 primitive grafice tipice peste D3D12. <\/p>\n

Implementarea include driverul Gallium, compilatorul OpenCL, runtime-ul OpenCL \u0219i compilatorul de shader-e NIR-to-DXIL, care transform\u0103 reprezentarea intermediar\u0103 a shader-elor NIR utilizat\u0103 \u00een Mesa \u00een formatul binar DXIL (DirectX Intermediate Language), suportat \u00een DirectX 12 \u0219i bazat pe bytecode LLVM 3.7 (DirectX Shader Compiler<\/a><\/noindex> de la Microsoft, un fork extins al LLVM 3.7). Compilatorul OpenCL este preg\u0103tit pe baza realiz\u0103rilor proiectului LLVM \u0219i a uneltelor SPIRV-LLVM<\/a><\/noindex>.<\/p>\n

Codurile surs\u0103 cu extensiile OpenCL sunt compilate cu clang \u00een pseudocod intermediar LLVM (LLVM IR), care este apoi transformat \u00een reprezentarea intermediar\u0103 a nucleelor OpenCL \u00een format SPIR-V. Nucleele \u00een reprezentarea SPIR-V sunt transmise \u00een Mesa, sunt traduse \u00een format NIR, optimizate \u0219i transmise \u00een NIR-to-DXIL pentru generarea shader-elor de calcul \u00een format DXIL, potrivite pentru a fi rulate pe GPU utiliz\u00e2nd un runtime bazat pe DirectX 12.
\n\u00cen loc de Clover, utilizat\u0103 \u00een implementarea Mesa a OpenCL, a fost propus un nou runtime OpenCL, care permite mai multe transform\u0103ri directe \u00een API-ul DirectX 12.<\/p>\n

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

Driverele OpenCL \u0219i OpenGL sunt preg\u0103tite folosind interfa\u021ba Gallium oferit\u0103 \u00een Mesa, care permite, la crearea driverelor, s\u0103 nu se ad\u00e2nceasc\u0103 \u00een detalii specifice OpenGL \u0219i s\u0103 transpun\u0103 apelurile OpenGL \u00een entit\u0103\u021bi mai apropiate de primitivele grafice cu care opereaz\u0103 GPU-urile moderne. Driverul Gallium prime\u0219te comenzi OpenGL \u0219i, cu ajutorul translatorului NIR-to-DXIL.
\nformeaz\u0103 buffer-e de comenzi care sunt executate pe GPU, utiliz\u00e2nd driverul D3D12.<\/p>\n

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

Sursa: opennet.ro<\/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 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