CPU RayTracer

Features

• Whitted style raytracer
  • Anti aliasing
• PathTracer
• BVH Acceleration structure
  • Binning / SAH
  • Top Level BVH
  • Instancing
  • Rigid Animations
  • Heatmap renderer displaying the cost of each ray
• Multithreading
• Post-processing effects. (Vignette, Gamma correction, Chromatic aberration)
• Materials (albedo, specular, dieletrics, textures)
• Camera controlls

Future work

• Skybox
• Top level BVH construction using: Fast Agglomerative Clustering for Rendering, Walter et al., 2008
• GPGPU implementation
• PathTracing Importance Sampling
• PathTracing various filtering techniques
• Improved Camera controlls/implementation
• Graphical User Interface

Credits

Contributions

• Arjen Simons (https://github.com/ArjenSimons): Whitted style raytracer, BVH Acceleration structure, multithreading, pp effects, materials
• Robert Oost (https://github.com/robertoost): PathTracer, Scene Management, pp effects, BVH heatmap renderer
• Jan Willem de Ruig (https://github.com/De-Signated): Camera controlls, torus intersection, directional/spot lights

Used libraries

advgrtmpl8 https://github.com/jbikker/advgrtmpl8
tinyobj https://github.com/tinyobjloader/tinyobjloader
stb_image https://github.com/nothings/stb
ThreadPool https://github.com/progschj/ThreadPool