wgpu4j

Java bindings for wgpu-native using Project Panama.

Requirements

• Java 22+
• jextract (for generating bindings)
• macOS, Linux, or Windows (x86_64/aarch64)

Setup

Option 1: Automatic

Gradle will install jextract automatically if it is not found in your system PATH or JEXTRACT_HOME environment variable.

./gradlew downloadJextract

Option 2: Manual Installation

1. Download the appropriate build for your platform from jdk.java.net/jextract
2. Extract to a standard location:
   • Linux/macOS: ~/.local/jextract or /usr/local/jextract
   • Windows: %USERPROFILE%\AppData\Local\Programs\jextract or C:\Program Files\jextract
3. Add the bin directory to your PATH, or set JEXTRACT_HOME environment variable
4. On macOS: Run sudo xattr -r -d com.apple.quarantine /path/to/jextract to remove quarantine

Quick Start

./gradlew downloadWgpuNative
./gradlew generateBindings
./gradlew build

Run the triangle example:

cd wgpu4j-examples
../gradlew run

Usage

See the examples for usage patterns.