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[Feat] (trace-replay): add Create flywheel indirect and instancing fixtures

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Two 1.21.1 NeoForge Create in-world captures facing water wheels and a
large cogwheel, one per flywheel backend (/flywheel backend indirect and
instanced). The indirect trace exercises the compute scatter/cull
pipeline, glMultiDrawElementsIndirect with GPU-written commands, and
draw-parameter emulation; captured with persistent-map shadowing so the
unflushed scatter descriptors Flywheel writes are recorded. Both trimmed
to a single frame and brotli-repacked (~7 MiB each).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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swung0x48
2026-07-09 12:14:17 +00:00
co-authored by Claude Fable 5
parent 85b68a9969
commit 28facc1c3f
6 changed files with 33 additions and 0 deletions
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tools/trace_replay/README.md
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@@ -103,6 +103,13 @@ The bundled fixtures cover:
- minecraft-1.21.4-fabric-iris-sundial-lite-in-world: captured from Minecraft 1.21.4 Fabric with Sodium, Iris, and
Sundial Lite after entering a singleplayer world.
![Minecraft 1.21.4 Fabric Iris Sundial Lite in-world golden](fixtures/minecraft-1.21.4-fabric-iris-sundial-lite-in-world.0000150023.png)
- minecraft-1.21.1-neoforge-create-indirect-in-world: captured from Minecraft 1.21.1 NeoForge with Create, Sodium,
and Iris (no shader pack) in a world facing Create water wheels and a large cogwheel, with Flywheel's
`flywheel:indirect` backend (compute-shader culling, glMultiDrawElementsIndirect, persistent-mapped staging).
![Minecraft 1.21.1 NeoForge Create indirect in-world golden](fixtures/minecraft-1.21.1-neoforge-create-indirect-in-world.0000504631.png)
- minecraft-1.21.1-neoforge-create-instancing-in-world: same world and camera as the indirect case, with Flywheel's
`flywheel:instancing` backend (texture-buffer instance data, glDrawElementsInstancedBaseVertex).
![Minecraft 1.21.1 NeoForge Create instancing in-world golden](fixtures/minecraft-1.21.1-neoforge-create-instancing-in-world.0000530333.png)
Build from the MobileGL repository root: