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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

Setting an image memory barrier

Images are created for various purposes--they are used as textures, by binding them to a pipeline via descriptor sets, as render targets, or as presentable images in swapchains. We can copy data to or from images--these are also separate usages defined during image creation.

Before we start using an image for any purpose, and every time we want to change the current usage of a given image, we need to inform a driver about this operation. We do this by using image memory barriers which are set during command buffer recording.

Getting ready

For the purpose of this recipe, a custom structure type ImageTransition is introduced. It has the following definition:

struct ImageTransition { 
  VkImage             Image; 
  VkAccessFlags    ...
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