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Graphics system and associated method for displaying blended image having overlay image layers

A technology for superimposing images and graphics systems. It is used in 2D image generation, image enhancement, and image analysis. It can solve problems such as a large amount of memory bandwidth and achieve the effect of reducing memory bandwidth.

Inactive Publication Date: 2016-11-16
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when generating a blended image, conventional compositors also fetch all pixels of the overlay image layer from the frame buffer, requiring significant memory bandwidth

Method used

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  • Graphics system and associated method for displaying blended image having overlay image layers
  • Graphics system and associated method for displaying blended image having overlay image layers
  • Graphics system and associated method for displaying blended image having overlay image layers

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Embodiment Construction

[0018] The following description is for the purpose of illustrating the general principles of the invention and should not be construed in a limiting sense. The scope of the invention is determined by reference to the appended claims.

[0019] figure 1 is a schematic diagram of a graphics system according to one embodiment of the present invention. Graphics system 100 may be a mobile device (eg, tablet, smartphone, or wearable computing device) or laptop capable of capturing images. The graphics system 100 may also be implemented as multiple chips or a single chip such as a System on Chip (SoC), or as a mobile processor provided in a mobile device. For example, the graphics system 100 includes a processor 110 , a system bus 120 , a graphics processing unit (Graphics Processing Unit, GPU) 130 , a memory unit 140 and a display 150 . The processor 110 , the GPU 130 and the memory unit 140 may be coupled to each other through the system bus 120 . The processor 110 may be a ce...

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Abstract

A graphics system and an associated method for retrieving data in the graphics system to display a blended image composed of a plurality of overlay image layers are provided. The method includes the steps of: dividing each of the overlay image layers into a plurality of regions; obtaining respective transparency information of each region of the overlay image layers; and generating the blended image according to the respective transparency information of each region of the overlay image layers.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application No. 62 / 157,066, filed May 5, 2015, which is incorporated by reference in its entirety. technical field [0003] Embodiments of the present invention relate to graphics processing, and more specifically, to a graphics system and method for retrieving data in a graphics system to display a composite image composed of multiple superimposed image layers . Background technique [0004] Typically, mobile devices on the market are equipped with a graphics system, such as a graphics processing unit, for rendering and compositing different overlay image layers. Traditionally, graphics systems also include a compositor for generating a blended image from the superimposed image layers. For example, overlay image layers are typically set with different priorities, with the topmost overlay image layer having the highest priority and the bottom overlay image layer hav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T5/50G06F12/06
CPCG06F12/06G06T5/50G06T2207/20221G06T1/20G06T11/00G09G5/397G06T2207/20021
Inventor 陈泂甫
Owner MEDIATEK INC
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