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3D Graphics Rendering Cookbook

You're reading from   3D Graphics Rendering Cookbook A comprehensive guide to exploring rendering algorithms in modern OpenGL and Vulkan

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Product type Paperback
Published in Aug 2021
Publisher Packt
ISBN-13 9781838986193
Length 670 pages
Edition 1st Edition
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Authors (2):
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Viktor Latypov Viktor Latypov
Author Profile Icon Viktor Latypov
Viktor Latypov
Sergey Kosarevsky Sergey Kosarevsky
Author Profile Icon Sergey Kosarevsky
Sergey Kosarevsky
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Toc

Table of Contents (12) Chapters Close

Preface 1. Chapter 1: Establishing a Build Environment 2. Chapter 2: Using Essential Libraries FREE CHAPTER 3. Chapter 3: Getting Started with OpenGL and Vulkan 4. Chapter 4: Adding User Interaction and Productivity Tools 5. Chapter 5: Working with Geometry Data 6. Chapter 6: Physically Based Rendering Using the glTF2 Shading Model 7. Chapter 7: Graphics Rendering Pipeline 8. Chapter 8: Image-Based Techniques 9. Chapter 9: Working with Scene Graphs 10. Chapter 10: Advanced Rendering Techniques and Optimizations 11. Other Books You May Enjoy

Implementing an immediate mode drawing canvas

Chapter 3, Getting Started with OpenGL and Vulkan, only scratched the surface of the topic of graphical application debugging. The validation layers provided by the Vulkan API are invaluable but they do not allow you to debug logical and calculation-related errors. To see what is happening in our virtual world, we need to be able to render auxiliary graphical information such as object bounding boxes, plot time-varying charts of different values, or just plain straight lines. The Vulkan API and modern OpenGL do not provide or, rather, explicitly prohibit any immediate mode rendering facilities. To overcome this difficulty and add an immediate mode rendering canvas to our frame composition mechanism, we have to write some additional code. Let's learn how to do that in this recipe.

Getting ready

We will need to revisit the RendererBase and ModelRenderer classes discussed in the two previous recipes. Check the shared/UtilsVulkanCanvas...

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