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2D desktop chroma key method and device in GPGPU and graphics processor

A color key, face color technology, applied in the field of GPGPU, can solve problems such as 2D desktop freezes

Pending Publication Date: 2020-10-23
CHANGSHA JINGJIA MICROELECTRONICS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] When the GPGPU graphics engine is occupied by 3D graphics, the 2D desktop will freeze

Method used

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  • 2D desktop chroma key method and device in GPGPU and graphics processor
  • 2D desktop chroma key method and device in GPGPU and graphics processor
  • 2D desktop chroma key method and device in GPGPU and graphics processor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] figure 1 It shows a schematic flow chart of the implementation of the 2D desktop chroma key method in the GPGPU in Embodiment 1 of the present application.

[0026] As shown in the figure, the 2D desktop chroma key method in the GPGPU includes:

[0027] Step 101: Divide the pixels to be performed chroma key operation into blocks;

[0028] Step 102: Perform a color key operation on each block of pixels using multiple color key components.

[0029] Using the 2D desktop chroma key method in the GPGPU provided in the embodiments of this application, through the independent 2D chroma key implementation scheme, the chroma key operation of the 2D desktop can be realized simply and quickly, with less hardware resource occupation, high performance, and no Limited to complex 3D application scenarios, a smooth 2D desktop display effect is achieved.

[0030] In an implementation manner, the dividing the pixels to be performed chroma key operation into blocks includes:

[0031] Acquire a chro...

Embodiment 2

[0047] Based on the same inventive concept, an embodiment of the present application provides a 2D desktop chroma key device in a GPGPU. The principle of the device to solve a technical problem is similar to a 2D desktop chroma key method in a GPGPU, and the repetition will not be repeated.

[0048] figure 2 The schematic diagram of the structure of the 2D desktop chroma key device in the GPGPU in the second embodiment of the present application is shown.

[0049] As shown in the figure, the 2D desktop chroma key device in the GPGPU includes: a dispatch component and a plurality of chroma key components, among which,

[0050] The dispatching component is used to block the pixels to be performed chromatic key operation and dispatch the chromatic key commands to multiple chromatic key components;

[0051] Each chroma key component is used to perform chroma key operation on the pixel block corresponding to the received chroma key command.

[0052] Using the 2D desktop chroma key method in...

Embodiment 3

[0066] Based on the same inventive concept, an embodiment of the present application also provides a graphics processor, which is described below.

[0067] image 3 It shows a schematic structural diagram of a graphics processor in Embodiment 3 of the present application.

[0068] As shown in the figure, the graphics processor includes an on-chip network NOC, a command analysis module, and the 2D desktop chroma key device in the GPGPU as described in the second embodiment; wherein, the on-chip network is used for interconnection of various modules; The command parsing module is used to analyze the acquired chroma key commands.

[0069] Using the graphics processor provided in the embodiments of this application, through the independent 2D chroma key implementation scheme, the chroma key operation of the 2D desktop can be realized simply and quickly. The hardware resources are less occupied, the performance is very high, and it is not limited to complex 3D application scenarios to ac...

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Abstract

The invention discloses a 2D desktop chroma key method and device in a GPGPU, and a graphics processor. The method comprises the steps of partitioning pixels to be subjected to chroma key operation; and performing chroma key operation on each pixel by utilizing a plurality of chroma key parts. By the adoption of the scheme, the whole chroma key operation process is efficient, and the 2D desktop fluency in a complex 3D application scene is greatly improved.

Description

Technical field [0001] This application relates to GPGPU technology, and in particular to a 2D desktop chroma key method, device and graphics processor in GPGPU. Background technique [0002] Operating systems are divided into desktop operating systems, server operating systems, and embedded operating systems according to their application areas. Among them, the desktop operating system is the most common application. The basic function of the desktop operating system is to realize human-computer interaction. The pursuit of smooth desktop window display effects during the human-computer interaction process brings a friendly experience. [0003] At present, mainstream desktop operating systems include MAC OS, LINUX, WINDOWS, domestic bid-winning Kirin, Galaxy Kirin, UOS desktop systems, etc. The pixel operation is characterized by a huge amount of data and extremely frequent operations. [0004] The realization of 2D desktops is usually implemented directly by software. The performan...

Claims

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Application Information

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IPC IPC(8): G06F9/451G06F3/14G06T1/20G06T11/40
CPCG06F9/451G06F3/14G06T1/20G06T11/40
Inventor 杨盼
Owner CHANGSHA JINGJIA MICROELECTRONICS
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