Practical Shader Development_ Vertex and Fragment Shaders

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Practical Shader

Development

Vertex and Fragment Shaders for

Game Developers

—

Kyle Halladay

Practical Shader Development: Vertex and Fragment Shaders for Game Developers

ISBN13 pbk: 9781484244562 ISBN-13 (electronic): 9781484244579

https://doi.org/10.1007/978-1-4842-4457-9

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every occurrence of a trademarked name, logo, or image we use the names, logos, and images only in an

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identied as such, is not to be taken as an expression of opinion as to whether or not they are subject to

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neither the authors nor the editors nor the publisher can accept any legal responsibility for any errors or

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material contained herein.

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Printed on acid-free paper

KyleHalladay

Bristol, UK

About the Author ................................................................................................... xiii

About the Technical Reviewer .................................................................................xv

Acknowledgments .................................................................................................xvii

Introduction ............................................................................................................xix

Table of Contents

Chapter 1: Hello, Game Graphics .............................................................................. 1

What Is Rendering? �� 1

What Is a Mesh? �� 2

Vectors 101 �� 4

Dening a Color in Computer Graphics �� 10

The Rendering Pipeline �� 12

What Is a Shader? �� 14

Summary�� 15

Chapter 2:

Your First Shaders ................................................................................. 17

Setting Things Up on Windows�� 18

Setting Up Our Project�� 18

Creating Your First Triangle �� 20

Your First Vertex Shader �� 22

The #version Preprocessor Directive �� 23

GLSL’s in Keyword �� 23

GLSL’s vec Data Types �� 24

Writing to gl_Position �� 24

Normalized Device Coordinates�� 25

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Practical Shader Development_ Vertex and Fragment Shaders

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