Subtrack

Software Rasterizer

Build a GPU from scratch in software. Implement line drawing, triangle rasterization, depth testing, texturing, lighting, and tiling — all without hardware acceleration.

Start Learning

~450 Minutes 10 Challenges

Tasks (10)

Create a Framebuffer and Write a PPM Image

easy

Bresenham's Line Drawing Algorithm

medium

Software Rasterizer

Tasks (10)

Create a Framebuffer and Write a PPM Image

Bresenham's Line Drawing Algorithm

Triangle Fill by Edge Walking

Barycentric Coordinates for Point-in-Triangle Tests

Z-Buffer Depth Testing

Perspective-Correct Interpolation

Texture Mapping with Bilinear Filtering

Phong Lighting Model

Back-Face Culling with Cross Products

Tile-Based Rasterization