Software Rasterizer

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

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~450 Minutes 10 Challenges

software rasterizer tutorial from scratch

About this subtrack

Software Rasterizer draws lines and triangles into a framebuffer with z-buffering and texturing.

Tasks (10)

Create a Framebuffer and Write a PPM Image

Software Rasterizer

About this subtrack

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