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Claude
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With [vr] eye_tracked_foveation (on by default on the Steam Frame, off elsewhere) the runtime asks for XR_EXT_eye_gaze_interaction. When the system reports an eye tracker, OpenXRInput binds the gaze pose and locates it for each packet's display time, in the space the eye views are located in; vr/eye_gaze.h turns it into tangents of each eye's own view, which AuroraStereoFrame now carries (appended, after the existing prefix). Aurora centres the eye's fragment density map on the gaze snapped to a cell of two map texels (about 3 degrees). Each eye keeps up to 32 maps, one per cell looked at, so a glance back reuses its map; a new map is bound once its upload completes, and until then the eye keeps the map it had. Without a tracked gaze (a blink, no tracker, the setting off) foveation centres on the forward direction exactly as before: the forward maps are byte-identical. Also logs every extension the OpenXR runtime offers at startup, so the first Steam Frame session shows what SteamVR's Android runtime has. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_019HBRGKTE1GnN2ah8gcZKr3
Aurora is a source-level GameCube & Wii compatibility layer intended for use with game decompilation projects.
Originally developed for use in Metaforce, a Metroid Prime reverse engineering project. It now powers several completed source ports, including Dusklight.
Features
- Application layer using SDL3
- Runs on Windows, Linux, macOS, iOS, tvOS, Android
- GX compatibility layer
- Graphics API support: D3D12, Vulkan, Metal
- Highly accurate and performant GX implementation
- Robust pipeline cache system with "transferable" cache support for releases
- Dolphin-compatible texture pack support
- Widescreen & resolution scaling support
- Custom APIs for offscreen rendering
- PAD compatibility layer
- Utilizes
SDL_Gamepadfor wide controller support, including GameCube controller adapters - Automatically saves and loads controller bindings and port mappings
- Gyro & mouse support
- Utilizes
- DVD compatibility layer
- Utilizes nod to support all GameCube/Wii disc image types, including RVZ
- CARD compatibility layer
- Full compatibility with Dolphin
.gciand.rawfor game saves
- Full compatibility with Dolphin
- Dear ImGui built-in for simple debug UIs
Graphics
The GX compatibility layer is built on top of WebGPU, a cross-platform graphics API abstraction layer. WebGPU allows targeting all major platforms simultaneously with minimal overhead. The WebGPU implementation used is Chromium's Dawn.
Building
See docs/building.md for build instructions, CMake integration, and configuration options.
License
Aurora is licensed under the MIT License.