You're reading from Become a Unity Shaders Guru

Product type Book

Published in Jul 2023

Publisher Packt

ISBN-13 9781837636747

Pages 492 pages

Edition 1st Edition

Languages

Concepts

Game Optimization

Author (1):

Mina Pêcheux

Table of Contents (23) Chapters

Preface

1. Part 1: Creating Shaders in Unity

2. Chapter 1: Re-Coding a Basic Blinn-Phong Shader with Unity/CG

3. Part 2: Stepping Up to URP and the Shader Graph

4. Chapter 2: The Three Unity Render Pipelines

5. Chapter 3: Writing Your First URP Shader

6. Chapter 4: Transforming Your Shader into a Lit PBS Shader

7. Chapter 5: Discovering the Shader Graph with a Toon Shader

8. Part 3: Advanced Game Shaders

9. Chapter 6: Simulating Geometry Efficiently

10. Chapter 7: Exploring the Unity Compute Shaders and Procedural Drawing

11. Chapter 8: The Power of Ray Marching

12. Part 4: Optimizing Your Unity Shaders

13. Chapter 9: Shader Compilation, Branching, and Variants

14. Chapter 10: Optimizing Your Code, or Making Your Own Pipeline?

15. Part 5: The Toolbox

16. Chapter 11: A Little Suite of 2D Shaders

17. Chapter 12: Vertex Displacement Shaders

18. Chapter 13: Wireframes and Geometry Shaders

19. Chapter 14: Screen Effect Shaders

20. Index

Why subscribe?

21. Other Books You May Enjoy

Appendix: Some Quick Refreshers on Shaders in Unity

Summary

In this chapter, we’ve discussed geometry shaders.

First, we talked about the base principles behind geometry shaders – we saw what they are, how they work, and also why they can be limited or risky to use. In particular, we focused on the case of Apple devices, which are now discontinuing the support for this kind of shader, thus requiring us to think twice before using them if we need full cross-platform compatibility.

We then studied a classical geometry shader application, which is rendering a wireframe version of our meshes. In just a few dozen lines, we were able to code a URP unlit shader script that highlights the geometry of our 3D models by drawing the edges of each triangle, which even works in-game, at runtime.

We are now nearing the end of this book, and we have seen a lot of examples that have taught us various tricks about modern Unity shaders and the new URP pipeline. To wrap all of this up, our next and final chapter will examine one...