Skewer & Loom

Skewer is a serverless, distributed deep rendering system designed for high-throughput, physically-based rendering on Google Cloud Platform.

Quick Links

• 🎓 TA and Travis Quick Start — For Travis and the TAs during interactive grading
• Quick Start
• Scene Format
• CLI Reference
• Rendering Tips
• Previewer

• Architecture Overview

• Loom Compositor

• Skewer Renderer

Key Features

• Deep EXR Rendering - Per-pixel opacity as a linear-piecewise function of depth.
• Serverless Architecture - Automated scaling via Cloud Run, Cloud Workflows, and Cloud Batch.
• Deep Compositing - Correct transparency handling for overlapping volumes.
• Cost-Optimized - Native support for Spot VMs and Scale-to-Zero managed services.
• Scene Previewer - Web-based preview tool for scene visualization.

Project Structure

Directory	Description
skewer/	C++ ray-tracing renderer.
loom/	C++ deep compositor.
libs/	Shared C++ libraries (exrio).
orchestration/	Go CLI and serverless Coordinator.
deployments/	Terraform, Cloud Build, and Docker configurations.
apps/scene-previewer/	React-based scene previewer web app.
api/	Protocol Buffer definitions.
docs/	Comprehensive system documentation.
scripts/	Utility scripts (formatting, proto generation, stitching).