OpenGL-based transparent object delayed rendering method

A transparent object and deferred rendering technology, applied in the field of deferred rendering, can solve the problem of low rendering efficiency of transparent object rendering sequence, and achieve the effect of improving accuracy and rendering efficiency

Active Publication Date: 2021-04-30
GUANGZHOU YINHAN TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] For this reason, the present invention provides an OpenGL-based delayed rendering method for transparent objects to overcome the problem of low rendering efficiency caused by the inability to accurately control the rendering order of transparent objects in the prior art

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  • OpenGL-based transparent object delayed rendering method

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Embodiment Construction

[0075] In order to make the objects and advantages of the present invention clearer, the present invention will be further described below in conjunction with the examples; it should be understood that the specific examples described here are only for explaining the present invention, and are not intended to limit the present invention.

[0076] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

[0077] see figure 1 As shown in FIG. 2 , it is a schematic flowchart of a method for deferred rendering of a transparent object based on OpenGL according to an embodiment of the present invention.

[0078] A method for deferred rendering of transparent objects based on OpenGL, comprising:

[0079] Step a: In...

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Abstract

The invention relates to an OpenGL-based transparent object delayed rendering method, which relates to the technical field of delayed rendering, and comprises the following steps of: when rendering a transparent object, firstly, arranging rendering numbers of the transparent object according to the sequence of transparency from small to large, and rendering according to the sequence of the numbers; for the objects with the same transparency, determining the arrangement rendering numbers of the objects according to the object texture complexity; after the arrangement rendering numbers of the objects are determined, adjusting the arrangement rendering numbers of the objects according to the rendering contour areas of the objects; when the arrangement rendering numbers of the objects are adjusted, rendering the objects; and correcting the adjusted object arrangement rendering number according to the color depth of the object. The method is not influenced by the number of light sources in a scene when rendering the transparent object, and the rendering sequence of the transparent object is controlled by , so that the rendering efficiency of the transparent object is effectively improved.

Description

technical field [0001] The present invention relates to the technical field of delayed rendering, in particular to an OpenGL-based delayed rendering method for transparent objects. Background technique [0002] At present, mainstream deferred rendering is limited to non-transparent objects. Transparent objects still use forward rendering. First, the efficiency of traditional forward rendering will be affected by the number of light sources in the scene. Since objects are in a transparent state and cannot be affected by light, for transparent objects, Engines generally use normal rendering for processing. Of course, there are also engines that store transparent point information and disassemble them during processing. However, due to the limitation of RT space, there will inevitably be some losses, resulting in low rendering efficiency, followed by anti-aliasing. Because anti-aliasing needs to sample information from other surrounding points, in the prior art, one way is to u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/451
CPCG06F9/451
Inventor 刘泳韩非凡
Owner GUANGZHOU YINHAN TECH CO LTD
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