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Learning Vulkan

You're reading from   Learning Vulkan Get introduced to the next generation graphics API—Vulkan

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Product type Paperback
Published in Dec 2016
Publisher Packt
ISBN-13 9781786469809
Length 466 pages
Edition 1st Edition
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Author (1):
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Parminder Singh Parminder Singh
Author Profile Icon Parminder Singh
Parminder Singh
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Table of Contents (12) Chapters Close

Preface 1. Getting Started with the NextGen 3D Graphics API FREE CHAPTER 2. Your First Vulkan Pseudo Program 3. Shaking Hands with the Device 4. Debugging in Vulkan 5. Command Buffer and Memory Management in Vulkan 6. Allocating Image Resources and Building a Swapchain with WSI 7. Buffer Resource, Render Pass, Framebuffer, and Shaders with SPIR-V 8. Pipelines and Pipeline State Management 9. Drawing Objects 10. Descriptors and Push Constant 11. Drawing Textures

Recording command buffers


A command buffer is recorded using the vkBeginCommandBuffer() and vkEndCommandBuffer() APIs. These APIs define the scope under which any specified Vulkan commands are recorded. The following example shows the recording of the Render Pass instance creation between these two APIs, which works as the start and end scopes. For more information on creating a Render Pass, refer to the Understanding the Render Pass section in Chapter 7, Buffer Resource, Render Pass, Framebuffer, and Shaders with SPIR-V.

The start of the recording is performed using the vkBeginCommandBuffer() API. This defines the starting scope after which any call specified is considered to be recorded until the end scope is reached (vkEndCommandBuffer()).

The following is the syntax of this API, followed by a description of the necessary parameters:

VkResult vkBeginCommandBuffer( 
    VkCommandBuffer                 commandBuffer, 
    const VkCommandBufferBeginInfo* pBeginInfo); 

This...

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