Applying Hardware Tessellation | Direct3D Rendering Cookbook

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Table Of Contents

Direct3D Rendering Cookbook

4.1 (10)

Direct3D Rendering Cookbook

4.1 (10)

Overview of this book

Direct3D Rendering Cookbook

Direct3D Rendering Cookbook

Credits

Credits

About the Author

About the Author

About the Reviewers

About the Reviewers

www.PacktPub.com

www.PacktPub.com

Preface

Preface

Free Chapter

Getting Started with Direct3D

Getting Started with Direct3D

Introduction

Introducing Direct3D 11.1 and 11.2

Building a Direct3D 11 application with C# and SharpDX

Initializing a Direct3D 11.1/11.2 device and swap chain

Debugging your Direct3D application

Rendering with Direct3D

Rendering with Direct3D

Introduction

Using the sample rendering framework

Creating device-dependent resources

Creating size-dependent resources

Creating a Direct3D renderer class

Rendering primitives

Applying multisample anti-aliasing

Implementing texture sampling

Rendering Meshes

Rendering Meshes

Introduction

Rendering a cube and sphere

Preparing the vertex and constant buffers for materials and lighting

Adding material and lighting

Using a right-handed coordinate system

Loading a static mesh from a file

Animating Meshes with Vertex Skinning

Animating Meshes with Vertex Skinning

Introduction

Preparing the vertex shader and buffers for vertex skinning

Loading bones in the mesh renderer

Animating bones

Applying Hardware Tessellation

Applying Hardware Tessellation

Introduction

Preparing the vertex shader and buffers for tessellation

Tessellating a triangle and quad

Tessellating bicubic Bezier surfaces

Refining meshes with Phong tessellation

Optimizing tessellation through back-face culling and dynamic Level-of-Detail

Adding Surface Detail with Normal and Displacement Mapping

Adding Surface Detail with Normal and Displacement Mapping

Introduction

Referencing multiple textures in a material

Adding surface detail with normal mapping

Adding surface detail with displacement mapping

Implementing displacement decals

Optimizing tessellation based on displacement decal (displacement adaptive tessellation)

Performing Image Processing Techniques

Performing Image Processing Techniques

Introduction

Running a compute shader – desaturation (grayscale)

Adjusting the contrast and brightness

Implementing box blur using separable convolution filters

Implementing a Gaussian blur filter

Detecting edges with the Sobel edge-detection filter

Calculating an image's luminance histogram

Incorporating Physics and Simulations

Incorporating Physics and Simulations

Introduction

Using a physics engine

Simulating ocean waves

Rendering particles

Rendering on Multiple Threads and Deferred Contexts

Rendering on Multiple Threads and Deferred Contexts

Introduction

Benchmarking multithreaded rendering

Implementing multithreaded dynamic cubic environment mapping

Implementing dual paraboloid environment mapping

Implementing Deferred Rendering

Implementing Deferred Rendering

Introduction

Filling the G-Buffer

Implementing a screen-aligned quad renderer

Reading the G-Buffer

Adding multiple lights

Incorporating multisample anti-aliasing

Integrating Direct3D with XAML and Windows 8.1

Integrating Direct3D with XAML and Windows 8.1

Introduction

Preparing the swap chain for a Windows Store app

Rendering to a CoreWindow

Rendering to an XAML SwapChainPanel

Loading and compiling resources asynchronously

Further Reading

Further Reading

Index

Index

Introduction

Tessellation is the process of tiling/dicing a plane with one or more geometric shapes, for example, the creation of mosaics. In Direct3D 11, this process refers to the division of geometry into smaller triangles according to an algorithm and a tessellation factor. Hardware tessellation is available in Shader Model 5.0 and, therefore, hardware must support a Direct3D feature level of 11_0 or higher.

When applying tessellation, we are submitting a control point patch to the input assembler using one of the available control point input topologies (supporting up to 32 control points per patch). A patch is a Direct3D primitive made up of a list of control points. For example, we can re-use our existing meshes, made up of triangle lists, for tessellation by using the PrimitiveTopology.PatchListWith3ControlPoints enumeration value (natively, D3D11_PRIMITIVE_3_CONTROL_POINT_PATCH). What each control point does or means is entirely up to the implementation within the hull and domain...

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