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Environment Setup

Repositories

Besides the current repository, you will also need to clone or download the following repositories:

  • nvpro_core: The primary framework that all samples depend on.

Cloning all repositories

git clone --recursive --shallow-submodules https://github.com/nvpro-samples/nvpro_core.git
git clone https://github.com/nvpro-samples/vk_raytracing_tutorial_KHR.git

The directory structure should be looking like this:

   C:\Vulkan\nvpro-samples
   | 
   +---nvpro_core
   +---vk_raytracing_tutorial_KHR
   |   +---ray_tracing__simple
   |   +---ray_tracing_...
   |   \---...

See also build_all from nvpro-samples.

Latest Vulkan SDK

This repository tries to always be up to date with the latest Vulkan SDK, therefore we suggest to download and install it. Version 1.2.162.0 and up has ray tracing extensions support.

Vulkan SDK: https://vulkan.lunarg.com/sdk/home

Driver

NVIDIA driver 450.0 and up support Vulkan ray tracing.

CMake

The CMakefile will use other makefiles from nvpro_core and look for Vulkan environment variables for the installation of the SDK. Therefore, it is important to have all the above installed before running Cmake in the vk_raytracing_tutorial_KHR directory.

Note: Ray tracing only works with 64 bit environment. Therefore, make sure to choose the right build environment.

Note: If you are using your own Vulkan header files, it is possible to overide the default search path. Modify VULKAN > VULKAN_HEADERS_OVERRIDE_INCLUDE_DIR to the path to beta vulkan headers.

Starting From Extra Tutorial

All extra tutorials are starting from the end result of the first tutorial. The directory of the extra tutorials is the end result of doing it.

To start the tutorial from the begining.

  • Make a copy of the ray_tutorial__simple (backup)
  • Follow the tutorial by modifying ray_tutorial__simple