Example of usage Vulkan (MoltenVK) with Qt on OS X
Install Lunar SDK from: https://vulkan.lunarg.com/sdk/home#mac
Qt 5.10.0
Set env variables:
VK_LAYER_PATH = /macOS/etc/vulkan/explicit_layers.d
VK_ICD_FILENAMES = /macOS/etc/vulkan/icd.d/MoltenVK_icd.json
In QtVulkan change VULKAN_SDK_PATH to sdk path on your mac