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Vulkan Cookbook

You're reading from   Vulkan Cookbook Work through recipes to unlock the full potential of the next generation graphics API—Vulkan

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Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781786468154
Length 700 pages
Edition 1st Edition
Languages
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Author (1):
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Pawel Lapinski Pawel Lapinski
Author Profile Icon Pawel Lapinski
Pawel Lapinski
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Toc

Table of Contents (13) Chapters Close

Preface 1. Instance and Devices FREE CHAPTER 2. Image Presentation 3. Command Buffers and Synchronization 4. Resources and Memory 5. Descriptor Sets 6. Render Passes and Framebuffers 7. Shaders 8. Graphics and Compute Pipelines 9. Command Recording and Drawing 10. Helper Recipes 11. Lighting 12. Advanced Rendering Techniques

Rendering a normal mapped geometry

Normal mapping is a technique that allows us to increase the details of a model's surface without increasing its geometrical complexity. Using this technique, normal vectors associated with vertices are not used during lighting calculations. They are replaced with normal vectors read from an image (a texture). This way, the shape of a model is unchanged, so we don't need additional processing power to transform vertices. However, the lighting quality is much better and depends only on the quality of a normal map image instead of the complexity of the model.

An example of an image generated with this recipe looks like the following:

Getting ready

Normal map is an image, in which normal vectors acquired from a highly detailed...

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