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webgpu-compute-rasterizer

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A simple software rasterizer running on a WebGPU compute shader. Built for educational purposes.

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# WebGPU Compute Rasterizer

![](https://raw.githubusercontent.com/OmarShehata/webgpu-compute-rasterizer/main/media/rotating-model.gif)

This is a basic implementation of a rasterizer running on WebGPU compute shaders. It currently supports loading a list of triangles from a (very basic) glTF model and rendering it, with shading based on each triangle's distance to the camera.

I built this to create a simple template for exploring compute-based rendering techniques. Initially inspired by [Rendering Point Clouds with Compute Shaders and Vertex Order Optimization](https://github.com/m-schuetz/compute_rasterizer).

See:

* [How to Build a Compute Rasterizer with WebGPU](how-to-build-a-compute-rasterizer.md) for a step by step guide on building your own version of this. 
* Or [Code Overview](code-overview.md) for a brief walkthrough of the code & implementation.

![](https://raw.githubusercontent.com/OmarShehata/webgpu-compute-rasterizer/main/media/model-still.png)

## Building locally

Run `npm install` and `npm run dev`. Then open `localhost:3000`.

You must use a browser that supports WebGPU. See the [setup instructions in this article](https://alain.xyz/blog/raw-webgpu#setup).

## Rust port

There is a Rust port of this article here: https://github.com/pudnax/compaster. Created by [@pudnax](https://github.com/pudnax).

webgpu-compute-rasterizer

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