`vkinit::rendering_info` is never mentioned, but first used in IMGUI setup

[triffid]

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I'm following along starting with a blank project, and when I get to https://vkguide.dev/docs/new_chapter_2/vulkan_imgui_setup/#dynamic-rendering it says:

src/vulkan/vk_engine.cpp: In member function ‘void VulkanEngine::draw_imgui(VkCommandBuffer, VkImageView)’:
src/vulkan/vk_engine.cpp:472:46: error: ‘rendering_info’ is not a member of ‘vkinit’
  472 |         VkRenderingInfo renderInfo = vkinit::rendering_info(_swapchainExtent, &colorAttachment, nullptr);

At first I thought I'd simply missed something, but google says I haven't and github search concurs, it's just missing.

It's mentioned a couple more times in chapter 3, but again there's no definition or declaration, just usage.

[duckdoom4]

Make sure you have included #include <vk_initializers.h>. It should be defined there (line 30 in the header, line 160 in the cpp).

Source is included as part of the Starting point project files

[DomNomNom]

For the convenience of anyone else hitting this, its definition is this

VkRenderingInfo vkinit::rendering_info(VkExtent2D renderExtent, VkRenderingAttachmentInfo* colorAttachment,
    VkRenderingAttachmentInfo* depthAttachment)
{
    VkRenderingInfo renderInfo {};
    renderInfo.sType = VK_STRUCTURE_TYPE_RENDERING_INFO;
    renderInfo.pNext = nullptr;

    renderInfo.renderArea = VkRect2D { VkOffset2D { 0, 0 }, renderExtent };
    renderInfo.layerCount = 1;
    renderInfo.colorAttachmentCount = 1;
    renderInfo.pColorAttachments = colorAttachment;
    renderInfo.pDepthAttachment = depthAttachment;
    renderInfo.pStencilAttachment = nullptr;

    return renderInfo;
}