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Method and device for filling graph

A graphics and graphics processor technology, applied in the direction of filling planes with attributes, which can solve problems such as reducing CPU utilization, increasing CPU burden, and reducing system performance.

Active Publication Date: 2017-11-21
LOONGSON TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, if the CPU is required to execute every time the circle or ellipse is filled, it will increase the burden on the CPU, reduce the utilization rate of the CPU, and greatly reduce the system performance when the CPU is busy.

Method used

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  • Method and device for filling graph

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Embodiment Construction

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] The method and device for filling graphics provided by the embodiments of the present invention are mainly applied to the environment where the vxWorks operating system based on the MIPS processor adopts the SIS display chip environment, and solves the technical problem that the CPU utilization rate is low when filling a circle or an el...

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Abstract

The invention provides a method and device for filling a graph. The method for filling the graph comprises the steps of obtaining coordinates of two most distant key points on a graph along a pixel arrangement direction; starting from one key point until the other key point and calculating end point coordinates of each line segment formed by the intersection of the graph with each pixel row, the pixel rows being perpendicular to the pixel arrangement direction; and starting from the one key point until the other key point and calling a line drawing interface function of a graphics processing unit (GPU) so that the GPU fills the graph according to the end point coordinates of the line segment. The provided method for filling the graphic by the invention can reduce the load on a central processing unit (CPU) and improve the utilization rate of the GPU, thereby improving the system performance.

Description

technical field [0001] The invention relates to the technical field of computer graphics processing, in particular to a method and device for filling graphics. Background technique [0002] In the computer system, through the graphics processing software or other application software that comes with the computer system, different patterns can be designed and drawn. Among them, the most basic patterns include: points, straight lines, curves, triangles, rectangles, circles and ellipses , etc., and the pattern can be further processed by software, for example, the pattern can be filled. [0003] Currently, in the vxWorks operating system based on the Microprocessor without interlocked piped stages (MIPS) architecture, when the display chip is a SiS technology (also called SIS) display chip, there is no The implementation interface for filling a circle or an ellipse. Therefore, when a circle or an ellipse needs to be filled, the central processing unit (Central Processing Unit,...

Claims

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Application Information

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IPC IPC(8): G06T11/40
CPCG06T11/40
Inventor 王洪虎胡佳林
Owner LOONGSON TECH CORP
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