specialized_mesh_pipeline example has wrong colors half the time

[rparrett]

Bevy version

main

This is difficult to bisect. But here's how this example's behavior has evolved since it was added.

commit bfcb19a
Date: Wed Jul 31 14:24:58 2024 -0400
example added, works fine

commit 54006b1
Date: Wed Oct 2 00:33:17 2024 +0300
examples now renders nothing 100% of the time

commit 3da0ef0
Date: Wed Oct 9 21:10:01 2024 +0000
working again, but wrong colors half the time

Relevant system information

SystemInfo { os: "MacOS 14.5 ", kernel: "23.5.0", cpu: "Apple M1 Max", core_count: "10", memory: "64.0 GiB" }
AdapterInfo { name: "Apple M1 Max", vendor: 0, device: 0, device_type: IntegratedGpu, driver: "", driver_info: "", backend: Metal }

What you did

• cargo run --example specialized_mesh_pipeline
• run several times

What went wrong

Colors are different / darker on some runs.

Additional information

Note: the example currently panics when you hover over the mesh.

This is a separate issue tracked here: #15891

[alice-i-cecile]

I bet there's a system order ambiguity here. There's still a ton in the rendering code: I didn't have the time and expertise to resolve them so the checks are off for the render subapp.