Building Quality Shaders for Unity (R): Using Shader Graphs and HLSL Shaders
Daniel Ilett
734 pages, parution le 17/10/2022
Résumé
This book presents each of these topics with a comprehensive breakdown, the required theory, and some practical applications for the techniques learned during each chapter. The HLSL (High Level Shading Language) code and Shader Graphs will be provided for each relevant section, as well as plenty of screenshots.
By the end of this book, you will have a good understanding of the shader development pipeline and you will be fully equipped to start making your own aesthetic and performant shader effects for your own games!
You Will Learn To * Use shaders across Unity's rendering pipelines* Write shaders and modify their behavior with C# scripting* Use Shader Graph for codeless development* Understand the important math behind shaders, particularly space transformations* Profile the performance of shaders to identify optimization targets
Who Is This Book For
This book is intended for beginners to shader development, or readers who may want to make the jump from shader code to Shader Graph. It will also include a section on shader examples for those who already know the fundamentals of shaders and are looking for specific use cases.
Chapter 2: Maths for Shader DevelopmentSub-topics:* Vectors in 2D and 3D* Dot product, cross product, and other vector operations* Matrices* Multiplication, transpose, inverse, and common matrix operations* Important spaces in computer graphics* Homogeneous coordinate systems* Transformation between spaces
Chapter 3: Your Very First ShaderSub-topics:* The shader pipeline, and data flow* ShaderLab, SubShaders and Fallbacks* Shader Tags* The appdata struct: Input to the vertex shader* The vertex shader* The v2f struct: Data passed between the vertex and fragment shader* The fragment shader
Chapter 4: Shader GraphSub-topics:* The argument for node-based editors* The vertex and fragment stages* Shader nodes & properties* Your first Shader Graph
Chapter 5: Textures, UV Coordinates & Normal MappingSub-topics:* What is texture mapping?* What are UV coordinates?* Scaling, rotating and offsetting UVs* Sampler states* Normal mapping & tangent space
Chapter 6: TransparencySub-topics:* Transparency vs opacity* Alpha-blended transparency* Sorting* Screen-door ("dithered") transparency
Chapter 7: The Depth Buffer* What is the depth buffer?* Depth-testing and culling* Depth-based shader effects
Chapter 8: More Shader FundamentalsSub-topics:* Shader keywords and variants* Single- and multi-pass shaders* GrabPass and UsePass* Unity's standard shader libraries
Chapter 9: Lighting & ShadowsSub-topics:* Lighting theory: Diffuse, specular, ambient, and Fresnel light* Phong shading* Physically based rendering* Shadow casting
Chapter 10: Image Effects & Post ProcessingSub-topics:* Post Processing in the Built-in pipeline, URP and HDRP* Convolution kernels, Gaussian blur and multi-pass effects.* Edge detection with a Sobel kernel* Better edge detection using the depth texture and normal texture
Chapter 11: Advanced ShadersSub-topics:* Geometry shaders: adding or modifying vertices* Tessellation shaders: subdividing a mesh* Building an LOD system with tessellation shaders* Compute shaders: arbitrary computation on the GPU
Chapter 12: Profiling & OptimizationSub-topics:* The Unity Profiler and Frame Debugger* Branching in shaders* Avoiding overdraw* Multi-material objects* Batching
Chapter 13: Shader Recipes For Your GamesSub-topics:* World-space reconstruction in post processing shaders* Custom lighting: cel-shading (toon shading)* Vertex displacement - realistic water (Gerstner waves)* Refraction by modifying the framebuffer* Interactive snow layers (modifying the height of a mesh based on gameplay actions)* Holograms using emissive colour* Using Voronoi noise to make marble
Caractéristiques techniques
| PAPIER | |
| Éditeur(s) | Apress |
| Auteur(s) | Daniel Ilett |
| Parution | 17/10/2022 |
| Nb. de pages | 734 |
| EAN13 | 9781484286517 |
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