It was a single line that didn't set the image to 2D. Because the struct is default initialized to 0, this options being 0 means it's a 1D not 2D.

README.md

@@ -2,4 +2,16 @@
 
 Currently running list of notes I need to remember for the README later:
 
+
+## Windows
+
+* Currently can't get validation layers to work
 * Running vulkaninfoSDK.exe gives you information about the GPU but no libraries.
+
+## Linux
+
+* Need the vulkan-validationlayers
+* Might also need vulkan-utility-libraries-dev
+* vulkaninfo
+* export VK_LAYER_PATH=/usr/share/vulkan/explicit_layer.d
+

vk_initializers.cpp

@@ -113,6 +113,9 @@ VkImageCreateInfo vkinit::image_create_info(VkFormat format, VkImageUsageFlags u
 {
   VkImageCreateInfo info{};
   info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
+  info.pNext = nullptr;
+
+  info.imageType = VK_IMAGE_TYPE_2D;
 
   info.format = format;
   info.extent = extent;