3. Offscreen Rendering and Environment Mapping

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OpenGL Development Cookbook

By : Movania

4.1 (10)

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OpenGL Development Cookbook

4.1 (10)

By: Movania

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Overview of this book

OpenGL is the leading cross-language, multi-platform API used by masses of modern games and applications in a vast array of different sectors. Developing graphics with OpenGL lets you harness the increasing power of GPUs and really take your visuals to the next level. OpenGL Development Cookbook is your guide to graphical programming techniques to implement 3D mesh formats and skeletal animation to learn and understand OpenGL. OpenGL Development Cookbook introduces you to the modern OpenGL. Beginning with vertex-based deformations, common mesh formats, and skeletal animation with GPU skinning, and going on to demonstrate different shader stages in the graphics pipeline. OpenGL Development Cookbook focuses on providing you with practical examples on complex topics, such as variance shadow mapping, GPU-based paths, and ray tracing. By the end you will be familiar with the latest advanced GPU-based volume rendering techniques.

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Introduction to Modern OpenGL

Introduction

Setting up the OpenGL v3.3 core profile on Visual Studio 2010 using the GLEW and freeglut libraries

Designing a GLSL shader class

Rendering a simple colored triangle using shaders

Doing a ripple mesh deformer using the vertex shader

Dynamically subdividing a plane using the geometry shader

Dynamically subdividing a plane using the geometry shader with instanced rendering

Drawing a 2D image in a window using the fragment shader and the SOIL image loading library

2. 3D Viewing and Object Picking

Introduction

Implementing a vector-based camera with FPS style input support

Implementing the free camera

Implementing the target camera

Implementing view frustum culling

Implementing object picking using the depth buffer

Implementing object picking using color

Implementing object picking using scene intersection queries

3. Offscreen Rendering and Environment Mapping

Introduction

Implementing the twirl filter using the fragment shader

Rendering a skybox using static cube mapping

Implementing a mirror with render-to-texture using FBO

Rendering a reflective object using dynamic cube mapping

Implementing area filtering (sharpening/blurring/embossing) on an image using convolution

Implementing the glow effect

4. Lights and Shadows

Introduction

Implementing per-vertex and per-fragment point lighting

Implementing per-fragment directional light

Implementing per-fragment point light with attenuation

Implementing per-fragment spot light

Implementing shadow mapping with FBO

Implemeting shadow mapping with percentage closer filtering (PCF)

Implementing variance shadow mapping

5. Mesh Model Formats and Particle Systems

Introduction

Implementing terrains using the height map

Implementing 3ds model loading using separate buffers

Implementing OBJ model loading using interleaved buffers

Implementing EZMesh model loading

Implementing simple particle system

6. GPU-based Alpha Blending and Global Illumination

Introduction

Implementing order-independent transparency using front-to-back peeling

Implementing order-independent transparency using dual depth peeling

Implementing screen space ambient occlusion (SSAO)

Implementing global illumination using spherical harmonics lighting

Implementing GPU-based ray tracing

Implementing GPU-based path tracing

7. GPU-based Volume Rendering Techniques

Introduction

Implementing volume rendering using 3D texture slicing

Implementing volume rendering using single-pass GPU ray casting

Implementing pseudo-isosurface rendering in single-pass GPU ray casting

Implementing volume rendering using splatting

Implementing transfer function for volume classification

Implementing polygonal isosurface extraction using the Marching Tetrahedra algorithm

Implementing volumetric lighting using the half-angle slicing

8. Skeletal and Physically-based Simulation on the GPU

Introduction

Implementing skeletal animation using matrix palette skinning

Implementing skeletal animation using dual quaternion skinning

Modeling cloth using transform feedback

Implementing collision detection and response on a transform feedback-based cloth model

Implementing a particle system using transform feedback

Index

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OpenGL Development Cookbook

By : Movania

OpenGL Development Cookbook

By: Movania

Overview of this book

Introduction

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