×

Display controller and a method thereof

  • US 10,074,154 B2
  • Filed: 05/12/2015
  • Issued: 09/11/2018
  • Est. Priority Date: 12/12/2014
  • Status: Active Grant
First Claim
Patent Images

1. A display controller for controlling a display, comprising:

  • a plurality of channels for fetching data from a memory;

    a plurality of buffers coupled to the plurality of channels for receiving the fetched data from the plurality of channels, each buffer having a respective fixed memory capacity for storing the fetched data;

    a buffer controller coupled to the plurality of buffers and the plurality of channels for controlling the buffers and the channels, respectively; and

    a processing unit coupled to the buffers for receiving the data from the buffers, to the display for outputting a control signal to the display based on the received data, and to the buffer controller for controlling the buffers and channels;

    the processing unit being arranged to activate layers in an output image for displaying the output image on the display via the control signal, the channels corresponding to associated layers, wherein the layers in the output image are stacked on top of each other;

    the buffer controller being arranged to reassign a first fixed memory capacity of a first buffer coupled to a first channel and currently assigned to an inactive layer to a second fixed memory capacity of a second buffer coupled to a second channel and assigned to an activated layer to add to the respective fixed memory capacity of the second buffer.

View all claims
  • 15 Assignments
Timeline View
Assignment View
    ×
    ×