Making virtual more of a reality - Arm Mali-D77 display processor

May 16, 2019 //By Wisse Hettinga
Making virtual more of a reality - Arm Mali-D77 display processor
Arm Mali-D77 enables development of smaller, lighter, more comfortable untethered VR devices, scaling from HMDs to standard premium mobile displays

Arm is launching the Arm® Mali™-D77 display processing unit (DPU) which will take VR to the next level by tackling display challenges head-on.

The brand-new VR acceleration functions added to Mali-D77:

  • Mali-D77 enables offloading of specific compute functions from GPU to DPU leading to higher quality visuals and eliminating motion sickness, freeing up more GPU cycles and associated system bandwidth. Other Mali-D77 enhanced capabilities include:
  • Lens Distortion Correction (LDC): pre-distorts the images to counter the effect of the lens so that when they are viewed through the lenses of any VR headset they appear correct and undistorted.
  • Chromatic Aberration Correction (CAC): pre-separates the color channels in the opposite direction in order to counteract the blurring effect caused by the lenses of the VR headset.
  • Asynchronous Timewarp (ATW): translates and re-projects the virtual scene based on the latest head pose and position of the headset in the 3D space.

The Mali-D77 brings benefits to other devices, displays and use cases. For example, Mali-D77 can be integrated into a common SoC platform with existing developer ecosystems for switching across multiple devices such as a VR HMD to LCD/OLED large or small screens capable of displaying 4K HDR scenes. By doing this, VR devices can become more affordable and accessible to consumers.

More information at www.arm.com

 


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