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The Modern Vulkan Cookbook

You're reading from   The Modern Vulkan Cookbook A practical guide to 3D graphics and advanced real-time rendering techniques in Vulkan

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Product type Paperback
Published in Apr 2024
Publisher Packt
ISBN-13 9781803239989
Length 334 pages
Edition 1st Edition
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Authors (2):
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Preetish Kakkar Preetish Kakkar
Author Profile Icon Preetish Kakkar
Preetish Kakkar
Mauricio Maurer Mauricio Maurer
Author Profile Icon Mauricio Maurer
Mauricio Maurer
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Table of Contents (12) Chapters Close

Preface 1. Chapter 1: Vulkan Core Concepts 2. Chapter 2: Working with Modern Vulkan FREE CHAPTER 3. Chapter 3: Implementing GPU-Driven Rendering 4. Chapter 4: Exploring Techniques for Lighting, Shading, and Shadows 5. Chapter 5: Deciphering Order-Independent Transparency 6. Chapter 6: Anti-Aliasing Techniques 7. Chapter 7: Ray Tracing and Hybrid Rendering 8. Chapter 8: Extended Reality with OpenXR 9. Chapter 9: Debugging and Performance Measurement Techniques 10. Index 11. Other Books You May Enjoy

Enabling and using Vulkan’s MSAA

MSAA is an anti-aliasing technique that is used to reduce the jagged edges that can appear on curved lines and diagonal edges. Here’s an overview of how it works:

  1. Multiple samples: Instead of sampling a pixel once (like in regular rendering), MSAA takes multiple samples within each pixel. For example, 4 x MSAA needs 4 samples while 8 x MSAA needs 8 samples. The fragment shader runs for each one of the samples, and their output is stored for processing in step 3.
  2. Edge detection: MSAA only multi-samples pixels that are at the edges of geometry. This makes it more performance-efficient compared to techniques such as super-sampling, which samples the entire image at a higher resolution.
  3. Combining samples: Once the samples are taken, they are averaged (or resolved) into a single-color value for the pixel. If some of the samples are within an object and some are outside it, the final pixel color will be a blend, creating a smoother...
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