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ai-app/rigs/gpu-probe/Cargo.toml
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irisandClaude Sonnet 5 79b9cd789a RUST.md: iris's bindless texture array does not survive real Android GPUs
Iris asked whether the 'unknown number of images' approach even works on
mobile. It does not, measured with a new rig (rigs/gpu-probe, no APK
needed) and sourced rather than recalled: the emulator's software Vulkan
refuses iris's descriptor-indexing request outright, and on real hardware
the current Android Vulkan Profile baseline (80.1% of active devices)
does not require VK_EXT_descriptor_indexing either -- Arm's own docs say
only Valhall/5th-Gen Mali (2019+) support it.

iris already solved the identical problem for text in I1 (the glyph
atlas). The recommendation is to generalize it to images rather than
widen the binding array further; not yet implemented, since it changes
iris's render core.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-04 21:17:18 -04:00

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[package]
name = "gpu-probe"
version = "0.1.0"
edition = "2024"
# Deliberately its own crate rather than a member of iris's workspace: the
# vendored `iris/` tree is meant to stay reconcilable with the iris/iris
# repository, and this is a rig belonging to ai-app.
[dependencies]
# Pinned to what iris asks for, so the answer is about iris rather than
# about a different wgpu.
wgpu = "28.0.0"
pollster = "0.4.0"
# Queried directly, because wgpu and `cmd gpu vkjson` disagreed about
# descriptor indexing in the emulator and only the raw call says which is
# right.
ash = "0.38"