Planar cutting accelerator

An accelerator and plane technology, applied in instruments, image data processing, image data processing, etc., can solve the problems that the operator cannot achieve parallel design, the overall efficiency is not high, and the operation speed of the floating-point operator is slow.

Pending Publication Date: 2018-12-11
南京军微半导体科技有限公司
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  • Abstract
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Problems solved by technology

The design uses floating-point numbers in 754 format, and puts all arithmetic units used in calculations in the same module. The slow operation speed of

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Embodiment Construction

[0019] In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.

[0020] refer to Figure 1-Figure 6 , this specific embodiment adopts the following technical scheme: the plane clipping accelerator divides modules according to functions, such as figure 1 As shown, the plane clipping is divided into control, distance calculation, attribute interpolation, address management and other modules, each module adopts a streamlined design; the data flow of the control module, such as figure 2 As shown, the main function of this module is to control the data flow of the entire plane clipping; according to the instruction data of the superior, the corresponding function of this module is activated. When all clipping planes are complete, open the Delivery and Assembly module. When the sending and assembly m...

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Abstract

The invention discloses a planar cutting accelerator, which relates to the field of graphics calculation and a special hardware accelerator. The planar cutting accelerator includes a control module, acomputing distance module, an attribute interpolation module, an attribute storage module and an address management module. Each module adopts a pipelined design. The planar cutting accelerator can efficiently complete the cutting operation of the user-defined cutting plane, and the plane cutting accelerator adopts the parallelization and the pipeline design, so that the cutting speed is greatlyimproved.

Description

technical field [0001] The present invention relates to the field of graphics computing and dedicated accelerator hardware, in particular to a plane clipping accelerator. Background technique [0002] The classic algorithm for plane clipping is Sutherland_Hodgman. There are two ways to implement the algorithm, processor implementation and hardware accelerator implementation. It is very common for processors to implement algorithms in a way that is programmable and simple to implement, but has low processing efficiency. The implementation of the hardware accelerator can improve the speed of cutting, but it will also increase the area, so the speed and area need to be carefully considered. At present, the relevant information on the detailed description of the internal circuit structure of plane clipping is very scarce, and only one paper can be found talking about the accelerator design of plane clipping. The design uses floating-point numbers in 754 format, and puts all t...

Claims

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Application Information

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IPC IPC(8): G06T1/00G06T1/60
CPCG06T1/00G06T1/60Y02D10/00
Inventor 刘晶
Owner 南京军微半导体科技有限公司
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