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Head-mounted display device and image rendering method

A display device and image technology, applied in image data processing, details related to processing steps, optics, etc., can solve problems such as GPU texture synthesis screen tearing, achieve the effect of solving screen tearing, reducing load, and ensuring real-time performance

Active Publication Date: 2018-07-03
CHENGDU IDEALSEE TECH
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a head-mounted display device and an image rendering method, which are used to solve the technical problem of screen tearing caused by untimely GPU texture synthesis in the prior art

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  • Head-mounted display device and image rendering method

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] In the embodiment of the present invention, the head-mounted display device (English full name: Head Mount Display; English abbreviation: HMD) can realize VR, AR (Augmented Reality; Augmented Reality), MR (Mixreality; Mixed Reality) by sending optical signals to the eyes. and other different effects, for example: the head-mounted display device can be a VR all-in-one machine, a penetrating HMD, and so on.

[0037] Please refer to figure 1 , f...

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Abstract

The invention discloses a head-mounted display device and an image rendering method. The head-mounted display device comprises a graphics processing unit GPU for carrying out scene drawing on a sceneto be displayed to generate left eye texture data and right eye texture data; and a hardware synthesis module used for carrying out texture synthesis according to the left eye texture data and the right eye texture data to generate a current frame image. According to the scheme, the scene drawing and texture synthesis are carried out through different hardware modules, and the texture synthesis task is carried out through a special hardware synthesis module, thereby solving the technical problem of screen tearing due to not timely GPU texture synthesis in the prior art, and ensuring real-timeperformance of the texture synthesis task.

Description

technical field [0001] The present invention relates to the field of wearable head-mounted display devices, in particular to a head-mounted display device and an image rendering method. Background technique [0002] VR (Virtual Reality; virtual reality) display or AR (Augmented Reality; augmented reality) display is mainly divided into two steps: the first step is to perform offline scene rendering through GPU (Graphics Processing Unit; graphics processor), that is, through GPU Draw the scene to be displayed on the left and right eye textures; the second step is to submit the rendered textures to the GPU for online texture synthesis, and at the same time perform anti-distortion processing and asynchronous time warping Timewarp, and the final synthesis is displayed on the screen. [0003] Generally speaking, the above two steps are implemented by multiplexing the GPU. Since scene drawing is a relatively cumbersome task, and texture synthesis is a real-time task, the two tasks...

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Application Information

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IPC IPC(8): G02B27/01G06T19/00
CPCG02B27/017G06T19/006G06T2200/08
Inventor 张毅刘扬
Owner CHENGDU IDEALSEE TECH
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