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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

Acquiring a swapchain image

Before we can use a swapchain image, we need to ask a presentation engine for it. This process is called image acquisition. It returns an image's index into the array of images returned by the vkGetSwapchainImagesKHR() function as described in the Getting handles of swapchain images recipe.

Getting ready

To acquire an image in Vulkan, we need to specify one of two types of objects that haven't been described yet. These are semaphores and fences.

Semaphores are used to synchronize device's queues. It means that when we submit commands for processing, these commands may require another job to be finished. In such a situation, we can specify that these commands should wait for the other commands before they are executed. And...

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