Features

This page attempts to give an overview of the features present in the engine:

Graphics:

• Image loading / saving
• Chain-able animations and transformations (scale, rotate, blend)
• Shaders
• Multipass offscreen rendering
• 3D models
• Selection/Picking
• Asynchronous processing
• Multi-tiered Scene-graph (transparent save-deallocate, resume)
• Text Rendering (with emoji)

System:

• Lua scripting (controls I/O routing, window placement, connection management, ...)
• Database- driven configuration interface
• Process separated management of security sensitive or crash prone tasks
• Terminal emulator
• Led Controllers
• API for custom text user interfaces
• Server crash recovery
• Script switching (handover in case of script errors)
• Script Crash Recovery
• Protocol service for Xorg
• Protocol service for Wayland
• Opt-in external support for: Clipboard-management, Color control, Input injection

Video/Display Management:

• Multiple displays
• Resolution switching
• Power state controls
• Multi-DPI rendering
• Head Mounted Displays
• Low Level interfaces (EGL/KMS/GBM, EGL/BCM)
• High Level interfaces (SDL, SDL2)

Audio:

• Streaming
• Sample Playback
• Recording / Capture

Multimedia:

• Video decode
• Video encode/streaming/ocr

Input:

• Multiple keyboards, mice
• Joysticks
• Touch Display, Drawing Tablet
• Special sensors (IMU positional, ...)
• Hotplug

Networking:

• VNC sharing
• LAN discovery / message passing

Misc:

• Dedicated QEMU backend
• Dedicated SDL2 backend
• Dedicated Libretro backend