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Graphics processing method and graphics processing apparatus

An image processing device and image processing technology, applied in image data processing, image memory management, 3D image processing, etc., can solve the problems of processor blockage, wasting time, unable to send subsequent commands, etc.

Active Publication Date: 2011-11-16
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a callback mechanism needs to be used before flipping the buffer, so the processor must waste time waiting for this callback
As a result, the processor will be jammed and it will not be able to send subsequent commands

Method used

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  • Graphics processing method and graphics processing apparatus
  • Graphics processing method and graphics processing apparatus
  • Graphics processing method and graphics processing apparatus

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Embodiment Construction

[0020] Certain terms are used in the description and claims to refer to particular elements. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. "Includes" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". In addition, the term "coupled" herein includes any direct and indirect means of electrical connection. Therefore, if it is described that the first device is coupled to the second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means.

[0021] Figure 1A is a schematic block diagram of the structu...

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PUM

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Abstract

The invention provides a graphics processing method and a graphics processing apparatus. The graphics processing method, which is applied to a plurality of buffers at least including a first buffer served as an on-screen buffer and a second buffer served as an on-drawing buffer, includes the steps of: sending a drawing command related to the second buffer to a drawing engine; when the drawing command related to the second buffer are received, drawing graphic data stored in the second buffer; sending an asynchronous flush command related to the second buffer to the drawing engine in order to confirm whether the drawing command related to the second buffer is completed; flushing the second buffer; and after the second buffer is flushed, sending a first notice signal to notify a display engine that the second buffer is capable of being flipped. Asynchronous triple-buffer commands can be used in order to save the time for the callback mechanism, so that the processor is not jammed and capable of continuing to send following commands.

Description

technical field [0001] The present invention relates to an image processing method applicable to multiple buffers and an image processing device thereof, and particularly relates to an image processing method applicable to multiple buffers using an asynchronous flush / flip command (asynchronous flush / flip command) Image processing method and image processing device. Background technique [0002] For an image processing device, such as a TV or a Blu-ray player (BD player), a traditional double-buffer program or a triple-buffer program is usually used for drawing and displaying the data stored in the buffer. image data. For example, in a traditional double buffer process, the processor sends a synchronous flip command to the display engine to display the image data in the buffer on the screen. However, a callback mechanism needs to be used before flipping the buffer, so the processor must waste time waiting for this callback. As a result, the processor will be jammed and it ...

Claims

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Application Information

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IPC IPC(8): G06T1/60
CPCG09G5/397G06T15/005G06T1/60G09G5/363G09G5/399
Inventor 杨锦融李国平
Owner MEDIATEK INC