May 2017
Beginner to intermediate
470 pages
10h 49m
English
Content preview from Android System Programming
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Integrating vboxvideo
In the VirtualBox Guest Additions, there is another device driver that can be used in Android, which is vboxvideo.ko. This is a device driver for video hardware. It provides a much more powerful video driver compared to the uvesafb that we just discussed in this chapter.
The uvesafb is a standard framebuffer driver based on VESA 2.0 standard and it does not support hardware acceleration on VirtualBox. The vboxvideo.ko is a DRM/DRI-based video driver with hardware acceleration support.
Direct Rendering Infrastructure (DRI) is a new architecture of the X Window system on the Linux platform to allow X clients to talk to the graphics hardware directly. Direct Rendering Manager (DRM) is the kernel side of the DRI architecture. ...
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