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Method and device for optimizing HDR rendering by using multi-frame data and storage medium

A technology of frame data and pixel data, which is applied in the field of optimizing HDR rendering by using multi-frame data, and can solve problems such as increased power consumption, HDR texture bit width, and occupied bandwidth.

Inactive Publication Date: 2018-12-11
SNAIL GAMES
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Therefore, in the entire HDR rendering process in the prior art, the HDR rendering target and the HDR texture need to be switched multiple times, and related operations on the mobile platform involve the operation of fetching data from the high-speed register of the GPU, plus the HDR texture The large texture bit width will occupy a large amount of bandwidth and video memory, seriously affect rendering performance and increase power consumption, so it is necessary to improve the existing HDR rendering process

Method used

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  • Method and device for optimizing HDR rendering by using multi-frame data and storage medium
  • Method and device for optimizing HDR rendering by using multi-frame data and storage medium

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Embodiment Construction

[0031] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0032] figure 1 It is a flow chart of a method for optimizing HDR rendering using multi-frame data according to the present invention, which will be referred to below figure 1 , the method for optimizing HDR rendering by using multi-frame data of the present invention is described in detail.

[0033] In step 101, rendering is performed in an HDR rendering target.

[0034] In this step, rendering such as scene rendering is performed in rendering targets such as floating-point rendering targets of HDR;

[0035] Preferably, the HDR rendering target is a high-precision floating-point memory, and the high-precision floating-point memory does not occupy an I / O port in a...

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Abstract

A method and a device for optimizing HDR rendering by using multi-frame data and a storage medium are disclosed. The method comprises the following steps: rendering in an HDR rendering target; converting the HDR into LDR of the current rendered frame by using the exposure measurement results; carrying out desampling on the LDR texture of the current rendering fram to obtain the exposure measurement results used in the next rendering frame. The method and device for optimizing HDR rendering by using multi-frame data and the storage medium of the present invention immediately apply the exposuremeasurement result of the previous rendering frame to the current rendering frame in the whole HDR rendering flow, so that only limited times of rendering target switching are used, and the bandwidthand display memory occupied by the HDR texture are not needed to be created.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to a method, device and storage medium for optimizing HDR rendering by using multi-frame data. Background technique [0002] The HDR rendering process in the prior art is generally as follows: first, light rendering is performed on an HDR (high dynamic range) rendering target with a large expression range, such as a floating-point texture; then exposure measurement is performed on the obtained HDR texture, and then the exposure The measurement results adjust the HDR texture to be displayed on an LDR (low dynamic range) display. [0003] In each rendered frame, if the exposure measurement is measured brighter, the next rendered frame is dimmed; if the exposure measurement is measured darker, the next rendered frame is brightened. Since the content of this frame is used in each frame, the RT must be switched to the mobile device, that is, it must be read back into th...

Claims

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Application Information

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IPC IPC(8): G06T15/50
CPCG06T15/50
Inventor 朱博
Owner SNAIL GAMES
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