Software Rasterizer

url - https://gnikoloff.github.io/software-renderer/

code - https://github.com/gnikoloff/software-renderer

3D renderer written as an exercise to learn C and how graphics APIs such as OpenGL are implemented under the hood. Supports native and web via Emscripten.

Features

1. Software rasterization
2. Pure C17 implementation
3. Right hand Y-up coordinate system
4. Uses SDL for access to graphics hardware, mouse, keyboard, etc.
5. Supports native and web via emscripten
6. Perspective correct interpolation
7. Support for vertex and fragment shaders
8. Depth buffer
9. Face culling
10. Viewport clipping
11. Loading and parsing Wavefront .OBJ files and PNG images
12. Cube map sampling

References and readings

1. 3D Computer Graphics Programming
2. Modern C
3. niepp/spbr
4. Lode's Computer Graphics Tutorial

Geometry demo

Visualised depth buffer

Environment mapping

Plasma demo

Tunnel demo

2D Physics demo