Robert Bragg

UK, United States

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Summary

🤩

Rockstar

Robert Bragg is a senior systems engineer and Rustacean with 26 years building low-level graphics, VR, and motion-capture systems for companies from Imagination and Intel to Embark Studios. He blends kernel and driver work with higher-level realtime systems—upstreaming GPU frameworks at Intel, enabling SteamVR, and creating cross-platform mocap like Glimpse that runs on desktop and mobile. As founder of RealFit VR he turns motion-capture and VR expertise into consumer products, and his open-source contributions (notably to libfreenect, JNI bindings, btleplug and winit) show a knack for robust backend engineering and platform interoperability. Comfortable moving between C/C++ and Rust, he focuses on performance, safety and cross-platform compatibility, and is known for pragmatic tooling improvements such as device simulation and benchmarking that make systems easier to test and integrate.

26 years of coding experience

Github Skills (34)

asynchronous10

ninja10

mobile-development10

python10

api-design10

async10

windows10

build-system10

bluetooth-le10

c1110

io10

android-development10

java10

c1710

javas10

Programming languages (15)

C#C++CSSCRustObjective-C++CMakeGo

Github contributions (5)

jni-rs/jni-rs

Apr 2022 - Jan 2023

Rust bindings to the Java Native Interface — JNI

Role in this project:

Back-end Developer

Contributions:3 releases, 91 reviews, 61 commits in 9 months

Contributions summary:Robert primarily contributed to the development of Rust bindings for the Java Native Interface (JNI). Their work included refactoring and improving existing code, such as deriving `Debug` traits for various types and removing lifetimes to improve usability. They also addressed several issues by modifying code related to method/field IDs, and made changes to improve memory management and safety, particularly in the `direct_buffer` functionality. Additionally, the user introduced and improved benchmarking capabilities.

java-native-interfacerustjnijava

rust-windowing/winit

Jul 2022 - Nov 2022

Window handling library in pure Rust

Role in this project:

Back-end Developer & Mobile Developer (Android)

Contributions:134 reviews, 4 commits, 10 PRs in 4 months

Contributions summary:Robert primarily worked on improving the Android backend for the winit library, focusing on compatibility and functionality. They implemented version 0.4 of the `HasRawWindowHandle` trait for compatibility with other crates. They reworked the Android backend to utilize the `android-activity` crate, addressing several issues related to activity management. Furthermore, the user addressed keyboard input on Android by reworking keycode handling, including character mapping, and added a minimal example for running the event loop multiple times using `run_ondemand`.

rustwindowingandroidiosmacos

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