Graphics processing system having a virtual texturing array

Details Graphics processing system having a virtual texturing array Graphics processing system having a virtual texturing array

2001-12-07

2004-08-17

Tung, Kee M. (Department: 2671)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

Reexamination Certificate

active

06778181

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates generally to the field of image processing, and more particularly to an apparatus for combining texel images to generate graphics images.
BACKGROUND OF THE INVENTION
Recent advances in computer performance have enabled graphics systems to provide more realistic graphical images using personal computers and home video game computers. In such graphics systems, some procedure must be implemented to “render” or draw graphics primitives to the screen of the system. “Graphics primitives” are a basic component of a graphics picture, such as a polygon, e.g., a triangle, or a vector. All graphics pictures are formed with combinations of these graphic primitives. Many procedures may be utilized to perform graphics primitives rendering.
Conventional graphics systems perform these graphics rendering procedures using a frame buffer. A frame buffer generally comprises a plurality of computer memory chips that store information concerning pixel activation on the system's display screen. Generally, the frame buffer includes all of the graphics data information that will be written onto the screen.
In the past, there have been many attempts to design hardware implementations of the various components of the standard graphics-processing pipeline. Such designs have primarily focused on increasing speed, efficiency, and an overall performance of the processing architecture.
DISCLOSURE OF THE INVENTION
A graphics processing system is provided. The graphics processing system includes a front end module for receiving pixel data. A setup unit is coupled to the front end module and generates parameter coefficients. A raster unit is coupled to the setup unit and generates stepping information. A virtual texturing array engine textures and colors the pixel data based on the parameter coefficients and stepping information. Also provided is a pixel engine adapted for processing the textured and colored pixel data received from the virtual texturing array engine.


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