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iChris4andClaude Opus 5
fd42edf303
The animated copy is registered for the vehicle's whole position array, and a race frame has 228 primitives that bind it. Suppressing draw merging for all of them turned the kart's display list back into hundreds of separate draw calls, each recorded once and replayed in the mono pass and both eyes: on a Quest 3 the app frame went from 15.7 ms to 21.7 ms with the GPU pinned at 97 %, which past the 72 Hz deadline reads as 56 FPS against 42. Merging is unsafe only between draws that resolved the array differently, since the merged whole renders through the binding of the draw it folds into. So resolve the replacement once per draw, before the merge test, and merge into a draw that reached the same decision. Draws of an opponent sharing the asset merge with each other again too, and with no set registered the test is exactly what it was before the feature. Measured at the same place on a Quest 3: 60 FPS against 42, the app frame back to 13.9 ms, 564 draw calls a frame with 11808 primitives merged away. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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.