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FMI Raytracer

University project to make a GPU raytracer.

This is a work in progress. Currently it can only render a set of spheres hardcoded in the shader. In addition most of the parameters for Vulkan are hardcoded and picked just so that it runs on the hardware I am testing on.

How does it work

A compute shader is used to trace a ray for each pixel. The result is stored in an image, which is later copied to the framebuffer to be presented to the screen.

List of features:

  • geometry: sphere
  • geometry: triangle mesh
  • material: opaque object
  • material: transparent object
  • light: point light
  • light: rectangle light

Dependencies

  • Vulkan and Vulkan.hpp - graphics and compute
  • Glfw3 - window creation
  • glsllangValidator - compiler from GLSL to SPIR-V

Building

This project comes with an adhoc make + cmake build script, which will only work with clang or g++ because of hardcoded compiler flags and will probably only work on Linux.

  • install vulakn, glfw3 and glsllangValidator system-wide. Vulkan.hpp is automatically downloaded by the makefile.

  • build with one of

    make build
make build PROFILE=release

  • or build and run with one of

    make run
make run PROFILE=release

I may fix it someday if I find an adequate build system for C++.