首页 > 文章资讯 > Khronos发布OpenXR 0.90规范 统一XR软硬件标准
Khronos发布OpenXR 0.90规范 统一XR软硬件标准
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VR 2019-03-25 14:36:54 字数：610

Khronos小组发布了第一个版本号为0.90的OpenXR规范和API。OpenXR是一个开放的、免授权的增强现实（AR）和虚拟现实（VR）平台和设备标准，旨在简化AR/VR软件在多个平台和设备上的开发。

OpenXR包含一组抽象，可允许XR硬件平台供应商公开Runtime运行时系统的功能。通过在应用程序生命周期，渲染，追踪，帧定时和输入中采用一组通用的对象和函数，软件开发者的应用程序只需最少量的移植工作即可兼容多个XR系统，而这将能显著降低行业的碎片化现象。这意味着，例如，OpenXR可以使三星Gear VR、Oculus和Steam VR设备在同一个应用程序中更容易地得到支持。

从架构的角度来看，OpenXR由两个主要层组成：OpenXR设备插件扩展和更高级别的OpenXR API。该插件扩展旨在运行在特定于供应商的设备驱动程序之上，这些驱动程序提供对AR/VR设备的直接访问，并以标准的方式转换它们的功能。OpenXR API运行在AR/VR供应商开发的运行时系统之上，处理失真校正、显示输出、坐标系统统一等功能。插件扩展是可选的，目的是让设备供应商更容易地创建在多个设备上运行的AR/VR运行时系统。

OpenXR 0.90是联盟成员近两年工作的结果，它允许平台供应商通过支持OpenXR而接入更多的应用程序。OpenXR暂定规范，以及将于未来数周内推出的运行时，它们将支持开发者进行应用程序的跨平台测试。


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