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What's the use of vertical synchronization in a computer?

2025-01-26 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >

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This article will explain in detail what is the use of vertical synchronization in computers. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

The function of vertical synchronization is to prevent the picture from tearing, because the rendering of the picture does not render the whole picture together, but row by line or column by column. If vertical synchronization is turned off and the computer configuration is not enough, the picture will be torn before the rendering is completed at a high speed.

The function of vertical synchronization is to prevent the picture from tearing. Because the rendering of the picture does not render the whole picture together, it is rendered line by line or column by column. If vertical synchronization is turned off and the computer is not configured enough, the screen will tear apart before the rendering is finished.

The main difference between turning vertical sync on and off is that games that run at high speed, such as live FPS games, can prevent the screen from tearing when the game screen is moved at high speed.

Related introduction:

The concept of picture tearing

Picture tearing can be simply understood as the data of this frame is entered into the display, and the data of the previous frame has not been deleted. The result is that the top and bottom of the screen are out of sync.

In fact, the image display is a high-speed coverage of a picture to form an image. The number of frames usually refers to the number of times the image is refreshed per second. The computer calculates that the result of the picture has to be rendered on the screen, but the time it takes to render and calculate is not the same, usually very fast, while rendering is much slower.

When vertical synchronization is turned on, the computer will wait for the last picture to be rendered before issuing the command to start the next rendering; without vertical synchronization, the computer will be eager to render the calculated results on the screen. in this way, it is easy to appear that the last picture has not finished rendering, and a new image will be overwritten, and the time difference will be large enough to cause screen tearing.

This is the end of this article on "what is the use of vertical synchronization in a computer?" I hope the above content can be of some help to you, so that you can learn more knowledge. If you think the article is good, please share it for more people to see.

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