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The Real Time Rendering Technology Based on Programmable Graphic Hardware

Author: FuZuo
Tutor: YangKeJian
School: Wuhan University of Technology
Course: Applied Computer Technology
Keywords: GPU Shader Model Real-time rendering techniques
CLC: TP391.41
Type: Master's thesis
Year: 2005
Downloads: 233
Quote: 3
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Abstract


Real-time computer graphics technology is a three-dimensional computer game, the basic problem in the field of computer-aided design and manufacturing (CAD / CAM), digital media creation (DCC), virtual reality. In recent years, with the rapid development of these applications, the requirements of real-time graphics more and more, the more complex requirements of real-time rendering, realistic representation of the real scene. In order to meet the needs of these applications, based on the real-time rendering of graphics processors (Graphic Processing Unit) technology has become an important research direction in computer graphics. The article mainly studies based on the latest GPU real-time rendering technology, mainly related to the following aspects: three-dimensional geometric model of the data storage structure, per-pixel lighting, real-time shadows, rendering indoor small-scale water surface rendering and skin mesh body. In addition, the article also combined with the author's future work, a brief description of the basic principles of hardware-based optimization. Taking into account the recent years, the rapid development of the real-time graphics technology, and articles related to the graphics processor supporting Shader Model 2. 0 and above. These are reflected the article closely integrated rapid real-time graphics rendering technology to keep pace with the times. Shader Model 2. 0 with Direct3D9 release introduced the graphics hardware shader model. Compared with Shader Model 1. 1 Shader Model 2. 0 support more instruction types and longer vertex and pixel processing program. Pixel processing, calculation accuracy by 9 or 12 of the fixed-point integer into a 24-bit floating-point numbers, improve calculation accuracy to render the image quality has been a qualitative leap. ShaderModel 2. 0 is not only a software programming interface, but also hardware standards, different hardware vendors follow ShaderModel 2 0 the basis of the development of different hardware products, but for the application, just follow Shader Model 2 0 the specification writing, can ensure the correct running on different hardware manufacturers. The article introduces technologies are around Shader Model 2. 0 expand. The following is the contents of each chapter of the article Introduction: Chapter 1 Introduction. Introduces the importance of real-time graphics technology, domestic and foreign research status quo, the source of the topic, the research purpose and meaning, and papers related to key technologies. Chapter 2, the core technology of system development. Introduces the technology of real-time computer graphics software and hardware platforms. Which first introduced the basics of computer graphics and three-dimensional vector algebra, then introduces the development of graphics hardware and graphics application programming interface (API), and analysis of the development trends of the graphics hardware and software from the application point of view. Chapter 3, the detailed design of the system development. Discuss large-scale complex light case of real-time rendering technology article, combined with the current state-of-the-art graphics hardware, based on the existing research results and proposed several new real-time graphics rendering technology. Distinction first introduced by vertex lighting and per-pixel lighting, as well as

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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