Shaderx2 - Shader Programming Tips & Tricks With Directx 9.pdf - Programming - darekisap

ShaderX 2 : Shader

Programming Tips &

Tricks with DirectX 9

Edited by

Wolfgang F. Engel

Wordware Publishing, Inc.

Library of Congress Cataloging-in-Publication Data

ShaderX 2 : shader programming tips and tricks with DirectX 9 / edited by

Wolfgang F. Engel.

p. cm.

Includes bibliographical references and index.

ISBN 1-55622-988-7 (paperback, companion CD-ROM)

1. Computer games--Programming. 2. Three-dimensional display systems.

I. Title: ShaderX squared. II. Engel, Wolfgang F.

QA76.76.C672S48 2003

794.8'16693--dc22

2003018871

CIP

2320 Los Rios Boulevard

Plano, Texas 75074

No part of this book may be reproduced in any form or by any means

without permission in writing from Wordware Publishing, Inc.

Printed in the United States of America

ISBN 1-55622-988-7

10987654321

0308

Crystal Reports is a registered trademark of Crystal Decisions, Inc. in the United States and/or other countries.

Names of Crystal Decisions products referenced herein are trademarks or registered trademarks of Crystal Decisions or its

Screen shots used in this book remain the property of their respective companies.

All brand names and product names mentioned in this book are trademarks or service marks of their respective companies.

Any omission or misuse (of any kind) of service marks or trademarks should not be regarded as intent to infringe on the

property of others. The publisher recognizes and respects all marks used by companies, manufacturers, and developers as a

means to distinguish their products.

This book is sold as is, without warranty of any kind, either express or implied, respecting the contents of this book and any

disks or programs that may accompany it, including but not limited to implied warranties for the book’s quality, performance,

merchantability, or fitness for any particular purpose. Neither Wordware Publishing, Inc. nor its dealers or distributors shall be

liable to the purchaser or any other person or entity with respect to any liability, loss, or damage caused or alleged to have been

caused directly or indirectly by this book.

All inquiries for volume purchases of this book should be addressed to Wordware

Publishing, Inc., at the above address. Telephone inquiries may be made by calling:

(972) 423-0090

Contents

Preface

vii

About the Authors

Introduction

xix

Section I—Geometry Manipulation Tricks

Using Vertex Shaders for Geometry Compression

Dean Calver

Using Lookup Tables in Vertex Shaders

Carsten Wenzel

Terrain Geomorphing in the Vertex Shader

Daniel Wagner

3D Planets on the GPU

Jesse Laeuchli

Cloth Animation with Pixel and Vertex Shader 3.0

Kristof Beets

Collision Shaders

Takashi Imagire

Displacement Mapping

Tom Forsyth

Section II — Rendering Techniques

Rendering Objects as Thick Volumes

Greg James

Screen-aligned Particles with Minimal VertexBuffer Locking

107

O’dell Hicks

Hemisphere Lighting with Radiosity Maps

113

Shawn Hargreaves

iii

Contents

Galaxy Textures

123

Jesse Laeuchli

Turbulent Sun

127

Jesse Laeuchli

Fragment-level Phong Illumination

131

Emil Persson

Specular Bump Mapping on Pre-ps_1_4 Hardware

149

Matthew Halpin

Voxel Rendering with PS_3_0

161

Aaron Burton

Simulating Blending Operations on Floating-point Render Targets 172

Francesco Carucci

Rendering Volumes in a Vertex & Pixel Program by Ray Tracing 177

Eli Z. Gottlieb

Normal Map Compression

185

Jakub Klarowicz

Drops of Water and Texture Sprites

190

Sylvain Lefebvre

Advanced Water Effects

207

Kurt Pelzer

Efficient Evaluation of Irradiance Environment Maps

226

Peter-Pike J. Sloan

Practical Precomputed Radiance Transfer

232

Peter-Pike J. Sloan

Advanced Sky Dome Rendering

240

Marco Spoerl and Kurt Pelzer

Deferred Shading with Multiple Render Targets

251

Nicolas Thibieroz

Meshuggah’s Effects Explained

270

Carsten Wenzel

Layered Car Paint Shader

293

John Isidoro, Chris Oat, and Natalya Tatarchuk

Motion Blur Using Geometry and Shading Distortion

299

Natalya Tatarchuk, Chris Brennan, Alex Vlachos, and John Isidoro

Shaderx2 - Shader Programming Tips & Tricks With Directx 9.pdf

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