A realization method of programmable stage flame effect in graphics rendering

A graphics rendering and flame technology, applied in image communication, image data processing, color TV components, etc., can solve problems such as inaccurate positioning, low efficiency, and inability to fully utilize GPU rendering parallelism, and achieve high implementation efficiency. Effect

Active Publication Date: 2017-04-12
北京锦颂创逸技术科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] (1) The pixel-based implementation method, the next frame is based on the previous frame, and the effect of each frame on the timeline cannot be accurately located
[0007] (2) The method based on the particle system, because each frame is affected by the random number, cannot locate each frame on the timeline
[0008] (3) The above two methods are implemented on the CPU, which cannot make full use of the parallelism of GPU rendering, and the efficiency is low

Method used

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  • A realization method of programmable stage flame effect in graphics rendering
  • A realization method of programmable stage flame effect in graphics rendering
  • A realization method of programmable stage flame effect in graphics rendering

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Embodiment Construction

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on this The embodiments in the invention, and all other embodiments obtained by persons of ordinary skill in the art without creative effort, all belong to the scope of protection of the present invention.

[0022] The flame burns upwards, and the effect of flames is required in the upper and left and right areas of the object. Therefore, to form the flame effect, it is necessary to calculate the fragment body color and the flame color for mixing. Embodiment 1 of the present invention provides a method for realizing flame effects in programmable stages in graphics rendering, such as figure 1 The process shown is specifically:

[0023] Step S1: Proce...

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Abstract

The invention discloses an implementation method of a flame effect at a programmable stage in graphics rendering. The method includes processing a vertex position and a vertex texture coordinate at a programmable vertex processing stage; calculating main colors and flame colors of fragments in each frame in a programmable fragment processor stage; and mixing the main colors and the flame colors to form the flame effect. According to the method, each frame can be located, a front frame and a back frame have no relevance, parallelism of graphics processing unit (GPU) is fully used, and the rendering efficiency is high.

Description

technical field [0001] The invention relates to the technical field of subtitle production in the field of radio and television, in particular to a method for realizing flame effects in programmable stages in graphics rendering. Background technique [0002] With the continuous development of computer graphics, images, and video technologies, and the domestic broadcasting industry is in the period of transition from standard definition mode to high definition mode, television production and broadcasting units such as TV stations have put forward higher requirements for the production and broadcasting of TV graphics. , Update requirements. It is required to greatly enhance and enrich the broadcast effect of graphics and texts, and show visual impact. [0003] In the process of making video subtitles, it is necessary to create a lot of special effects to realize the dynamic broadcast of graphic elements, including wave reflection, radial blur, motion blur, phantom, butterfly,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/262H04N5/278G06T13/00
Inventor 蔡欢郑培枫刘衡娜冯永
Owner 北京锦颂创逸技术科技有限公司
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