{"id":79096,"date":"2020-04-24T13:41:58","date_gmt":"2020-04-24T11:41:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-drajvere-panfrost-obespechena-podderzhka-3d-renderinga-dlya-gpu-bifrost-mali-g31"},"modified":"2020-04-24T13:41:58","modified_gmt":"2020-04-24T11:41:58","slug":"v-drajvere-panfrost-obespechena-podderzhka-3d-renderinga-dlya-gpu-bifrost-mali-g31","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/v-drajvere-panfrost-obespechena-podderzhka-3d-renderinga-dlya-gpu-bifrost-mali-g31","title":{"rendered":"Le pilote Panfrost offre un support pour le rendu 3D pour les GPU Bifrost (Mali G31)","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

La soci\u00e9t\u00e9 Collabora a d\u00e9clar\u00e9<\/a><\/noindex> sur l'am\u00e9lioration des fonctionnalit\u00e9s du pilote Panfrost<\/a><\/noindex> sur les appareils avec GPU Bifrost (Mali G31<\/a><\/noindex>) \u00e0 un \u00e9tat propice au lancement d'un syst\u00e8me de rendu 3D, y compris le support de base des textures.
\nAu d\u00e9part, le pilote Panfrost \u00e9tait principalement ax\u00e9 sur la mise en \u0153uvre du support des puces Midgard, mais maintenant l'attention est \u00e9galement port\u00e9e sur les puces Bifrost, qui sont proches de Midgard en termes de flux de commandes, mais pr\u00e9sentent des diff\u00e9rences substantielles dans les instructions pour l'ex\u00e9cution des shaders et les interfaces entre les shaders et le flux de commandes.<\/p>\n

Les d\u00e9veloppeurs ont pr\u00e9par\u00e9 une mise en \u0153uvre initiale du compilateur de shaders, prenant en charge un ensemble d'instructions internes sp\u00e9cifiques aux GPU Bifrost. Plus tard, le compilateur devrait inclure le support d'instructions \u00e9tendues permettant de compiler des shaders plus complexes. Les changements ont \u00e9t\u00e9 int\u00e9gr\u00e9s dans la base de code de Mesa et feront partie de la prochaine version majeure 20.1.<\/p>\n

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

Le pilote Panfrost est d\u00e9velopp\u00e9 sur la base de l'ing\u00e9nierie inverse des pilotes d'origine de la soci\u00e9t\u00e9 ARM, con\u00e7u pour fonctionner avec des puces bas\u00e9es sur les microarchitectures Midgard (Mali-T6xx, Mali-T7xx, Mali-T8xx) et Bifrost (Mali G3x, G5x, G7x). Un pilote distinct est \u00e9galement d\u00e9velopp\u00e9 pour les GPU Mali 400\/450, utilis\u00e9s dans de nombreux anciens chips bas\u00e9s sur l'architecture ARM. Lima<\/a><\/noindex>.<\/p>\n

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

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

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Collabora \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u0434\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 Panfrost \u043d\u0430 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445 \u0441 GPU Bifrost (Mali G31) \u0434\u043e \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f, \u043f\u0440\u0438\u0433\u043e\u0434\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u044b 3D-\u0440\u0435\u043d\u0434\u0435\u0440\u0438\u043d\u0433\u0430, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0431\u0430\u0437\u043e\u0432\u0443\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0442\u0435\u043a\u0441\u0442\u0443\u0440. \u041d\u0430 \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u043c \u044d\u0442\u0430\u043f\u0435 \u0434\u0440\u0430\u0439\u0432\u0435\u0440 Panfrost \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u0431\u044b\u043b \u0441\u043e\u0441\u0440\u0435\u0434\u043e\u0442\u043e\u0447\u0435\u043d \u043d\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0447\u0438\u043f\u043e\u0432 Midgard, \u043d\u043e \u0442\u0435\u043f\u0435\u0440\u044c \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u0441\u0442\u0430\u043b\u043e \u0443\u0434\u0435\u043b\u044f\u0442\u044c\u0441\u044f \u0438 \u0447\u0438\u043f\u0430\u043c Bifrost, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0431\u043b\u0438\u0437\u043a\u0438 \u043a Midgard \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u043e\u0442\u043e\u043a\u0430 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