GPU Pro 5：高级渲染技术详解

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"《GPU Pro 5 - Advanced Rendering Techniques》是一本由Wolfgang Engel编著的专业级GPU编程和高级渲染技术指南。该书作为GPU Pro系列的第五卷，专为图形开发人员和计算机视觉工程师提供深度剖析，涵盖了DirectX、OpenGL和Shader等领域的最新进展与实践。书中详细介绍了如何利用GPU的强大能力进行高效的图像处理、光线追踪、纹理合成以及实时图形渲染等高级技术。本书的核心内容包括但不限于以下方面： 1. GPU架构解析：深入探讨GPU的设计原理，帮助读者理解其并行处理能力，以及如何优化图形工作负载。 2. DirectX和OpenGL：讲解这两种广泛使用的图形API，展示了它们在现代游戏开发和图形应用中的关键角色，以及如何编写高效的渲染管线。 3. Shader编程：介绍各种类型的着色器（如顶点、片段、几何和域着色器），以及如何利用它们实现复杂的光照模型和纹理效果。 4. 高级渲染技术：涉及了实时全局光照、阴影贴图、动态模糊、抗锯齿、体积渲染和光线追踪等技术，这些都是提升游戏画质和沉浸感的关键手段。 5. 性能优化：提供了关于内存管理、多线程优化、硬件特性利用和GPU调度的实用建议，帮助开发者解决实际项目中的性能瓶颈。 6. 案例研究：书中包含多个实际项目的剖析，展示了如何将理论知识应用到实际场景中，通过实际代码示例加深理解。 7. 版权信息：强调了版权的重要性，确保所有复制材料的来源已被尊重，并提醒读者在使用过程中注意版权问题。《GPU Pro 5 - Advanced Rendering Techniques》是GPU编程领域的权威参考书，对于那些希望提升图形处理能力，追求极致游戏体验或从事图形算法研发的专业人士来说，这本书是不可或缺的资源。通过阅读和实践书中的内容，读者将能够更好地理解和利用GPU的潜力，以推动图形技术的创新和发展。"

Acknowledgments

The GPU Pro: Advanced Rendering Techniques book series covers ready-to-

use ideas and procedures that can help to solve many of your daily graphics-

programming challenges.

The ﬁfth book in the series wouldn’t have been possible without the help of

many people. First, I would like to thank the section editors for the fantastic job

they did. The work of Wessam Bahnassi, Marius Bjørge, Carsten Dachsbacher,

Michal Valient, and Christopher Oat ensured that the quality of the series meets

the expectations of our readers.

The great cover screenshots were contributed by Michal Valient from Guerrilla

Games. They show the game Killzone: Shadow Fall.

The team at CRC Press made the whole project happen. I want to thank

Rick Adams, Charlotte Byrnes, Kari Budyk, and the entire production team,

who took the articles and made them into a book.

Special thanks go out to our families and friends, who spent many evenings

and weekends without us during the long book production cycle.

I hope you have as much fun reading the book as we had creating it.

—Wolfgang Engel

P.S. Plans for an upcoming GPU Pro 6 are already in progress. Any comments,

proposals, and suggestions are highly welcome (wolfgang.engel@gmail.com).

Rendering

Real-time rendering is not only an integral part of this book series, it is also

an exciting ﬁeld where one can observe rapid evolution and advances to meet

the ever-rising demands of game developers and game players. In this section we

introduce new techniques that will be interesting and beneﬁcial to both hobbyists

and experts alike—and this time these techniques do not only include classical

rendering topics, but also cover the use of rendering pipelines for fast physical

simulations.

The ﬁrst chapter in the rendering section is “Per-Pixel Lists for Single Pass A-

Buﬀer,” by Sylvain Lefebvre, Samuel Hornus and Anass Lasram. Identifying all

the surfaces projecting into a pixel has many important applications in computer

graphics, such as computing transparency. They often also require ordering of the

fragments in each pixel. This chapter discusses a very fast and eﬃcient approach

for recording and simultaneously sorting of all fragments that fall within a pixel

in a single geometry pass.

Our next chapter is “Reducing Texture Memory Usage by 2-Channel Color

Encoding,” by Krzysztof Kluczek. This chapter discusses a technique for com-

pactly encoding and eﬃciently decoding color images using only 2-channel tex-

tures. The chapter details the estimation of the respective 2D color space and

provides example shaders ready for use.

“Particle-Based Simulation of Material Aging,” by Tobias G¨unther, Kai Roh-

mer, and Thorsten Grosch describes a GPU-based, interactive simulation of ma-

terial aging processes. Their approach enables artists to interactively control the

aging process and outputs textures encoding surface properties such as precipi-

tate, normals and height directly usable during content creation.

Our fourth chapter, “Simple Rasterization-Based Liquids,” is by Martin Guay.

He describes a powerful yet simple way of simulating particle-based liquids on the

GPU. These simulations typically involve sorting the particles into spatial accel-

eration structures to resolve inter-particle interactions. In this chapter, Martin

details how this costly step can be sidestepped with splatting particles onto tex-

tures, i.e., making use of the rasterization pipeline, instead of sorting them.

—Carsten Dachsbacher

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