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Device for removing command and its method

An instruction and removal technology, applied in processor architecture/configuration, image data processing, 3D image processing, etc., can solve problems such as intermittent throttling of pipelines, achieve the effect of improving performance and reducing idle time

Inactive Publication Date: 2007-05-30
SILICON INTEGRATED SYSTEMS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, instructions dispatched to the secondary issue array must still wait in the processor's execution pipeline until the instruction is judged executable or removed
[0020] To sum up, even if there is no data dependency between the instructions, the control dependency between the texture fetching instruction texld and other instructions will still cause serious pipeline intermittent throttling

Method used

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  • Device for removing command and its method
  • Device for removing command and its method
  • Device for removing command and its method

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Embodiment Construction

[0070] The invention relates to an instruction removing device and method thereof, which can be used to remove simple instructions in an image processing program. Please note that the following embodiments are described and exemplified by the DirectX specification. The novel architecture and method disclosed in the present invention can also be implemented in other image processing programming languages ​​or hardware, such as the shader language and hardware of OpenGL.

[0071] In the present invention, the simple texture fetching command means that the material coordinates of the texture fetching command are obtained directly by the material processing unit through interpolation, that is, the material coordinates of the texture fetching command are not passed through the pixel shader (or other pixel processing unit) processing. In the DirectX specification, it means that the texture coordinate of the texture fetch command is tn, and if the texture fetch command is not a simp...

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Abstract

The invention discloses an order clearing device and method. The order clearing device can scan image processing pattern to decide weather or not have simple material acquisition order. The simple material acquisition order is transmitted directly to the material processing unit, and clears it from the original image processing pattern to avoid pixel stainer execute the order before the material processing unit processes the simple material acquisition order.

Description

【Technical field】 [0001] The invention relates to an instruction removing device and its method, in particular to a simple instruction removing device and its method which can be used in an image processing program. 【Background technique】 [0002] The pixel shader (Pixel Shader, PS) can be used to process the programmable pixels in the 3D image processor (3-Dimensional Graphic Processor, GPU) or 3D image accelerator (3-Dimensional Graphic Accelerator, GPU integrated into the system chipset). (Programmable) part. Recently, some graphics application program interfaces (Application Program Interface, API) have added pixel shaders, such as the pixel shader added by the DirectX specification from version 8.0, and the image fragment processor (FragmentProcessor) added by OpenGL from version 1.5. Defines a Shader Language similar to Assembly Language. [0003] Please refer to FIG. 1 , the processing procedure of a traditional image processor includes several main steps for proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T1/20G06T15/00
Inventor 徐日明
Owner SILICON INTEGRATED SYSTEMS