tltcly的博客

A good way to understand the wayland architecture and how it is different from X is to follow an event from the input device to the point where the change it affects appears on screen.This is where ...

直接渲染管理器(Direct Rendering Manager)是给予DRI客户端直接访问硬件的内核模块。该模块处理DMA,AGP内存管理，资源锁和安全硬件访问。为了支持多个并发的3D应用，3D画图硬件必须以共享形式来看待。提供锁来保持互斥。DMA传输和AGP结构用来发送buffer和图像命令给硬件。最后，必须有安全保证，防止客户端使用图像硬件进行权限提升。因为Linux内核内部接口和数据结构...