ultralight-ux / Ultralight

Website | Chat on Discord! | Browse C++ API | Browse C API | Support Docs | Twitter :video_game: Discord Chat Got a question about Ultralight? Chat with us on Discord! :star: About Ultralight makes it easy for C/C++ developers to seamlessly integrate web-content into games and desktop apps. Use our lightweight, high-performance renderer to display HTML/JS/CSS on a variety of platforms and hardware targets. Key Features • :zap: Modern HTML/JS/CSS Support: Based on WebKit, Ultralight enjoys many of the same cutting-edge web features as Apple's Safari browser, simplifying development and reducing production costs. • :sparkles: Powerful and Lightweight: Thanks to its highly-customizable CPU and GPU renderers, Ultralight offers developers unprecedented control over performance and memory usage-- making it the go-to choice for users who demand speed in constrained environments. • :jigsaw: Cross-Platform Compatibility: With support for Windows, macOS, Linux, Xbox, PS4, and PS5 (and ARM64 coming in 1.4), Ultralight ensures your content displays smoothly and consistently on a wide range of platforms and hardware targets. • :repeat: Deep C/C++ and JavaScript Integration: Ultralight facilitates seamless C/C++ and JavaScript integration through direct access to the JavaScriptCore API. Expose native state to web pages, extend JavaScript classes, define C/C++ callbacks, and more. • :wrench: Low-Level Customization: Ultralight allows developers the ability to override platform-specific functionality-- granting control over such things as file-system access, clipboard management, font loading, and more to suit the unique needs of each target environment. :space_invader: For Game Developers Developed in collaboration with top AAA game studios, Ultralight is engineered to display high-performance web-content across a diverse set of hardware targets and game engine environments. Choose between our CPU renderer for fast, reliable rendering or our customizable GPU renderer for unparalleled animation performance. __→ Learn more by visiting our Game Integration Guide.__ :desktop_computer: For Desktop-App Developers Get the best of both worlds-- save time by building your front-end with HTML/CSS/JS while retaining the power and performance of C/C++. Embed the renderer directly within your existing run loop or leverage our AppCore framework to do all the heavy lifting for you, offering convenient native window management and accelerated rendering. __→ Learn more by visiting our Desktop App Guide.__ :classical_building: Architecture Ultralight is a platform-agnostic port of WebKit for games and desktop apps. Portions of the library are open-source, here's how the library is laid out: | | Description | License | Source Code | |--------------------|------------------------------------------|-------------|--------------------------| | __UltralightCore__ | Low-level graphics renderer | Proprietary | (Available with license) | | __WebCore__ | HTML layout engine (WebKit fork) | LGPL/BSD | ultralight-ux/WebCore | | __Ultralight__ | View, compositor, and event logic | Proprietary | (Avaiable with license) | | __AppCore__ | :sparkles: Optional, desktop app runtime | LGPL | ultralight-ux/AppCore | :rocket: Dual High-Performance Renderers We offer two different renderers for integration into a variety of target environments. :sparkle: CPU Renderer :eight_spoked_asterisk: GPU Renderer • Fast, lightweight, and easy to integrate. • Renders to a 32-bit BGRA pixel buffer. • Based on Skia, accelerated via multi-threaded SIMD. • See the Game Integration Guide for more info. • High-performance, customizable, and portable. • Renders on the GPU to a texture. • Accelerated via tesselated geometry and pixel shaders. • See Using a Custom GPUDriver for more info. :lock: Licensing It's easy to license Ultralight in projects big and small. :heart_eyes: Free License :crown: Commercial License • __Free__ for non-commercial use. • __Free__ for commercial use by indie companies ( • Paid licenses for commercial use. • Enterprise licensing, custom contracts, and volume discounts available. • Performance tools, extra configurations, and source code. • See our website for more info. :eyes: Getting the Latest SDK You can get the latest SDK for each platform below (contact us for Xbox, PS4, and PS5): • Windows | x64 • Linux | x64 • macOS | x64 Getting Archived Binaries for a Specific Commit Pre-built binares are uploaded to the following S3 buckets every commit: • __Archived Binaries__: :hammer_and_wrench: Building the Samples To build the samples in this repo, please follow the instructions here. :information_source: Useful Links | Link | URL | | -------------------------- | --------------------------------------------------- | | __Join our Discord!__ | | | __Docs / Getting Started__ | | | __Browse C++ API__ | | | __Browse C API__ | | | __Follow Us on Twitter__ | |