Lightmaps break when deferred rendering is enabled

[GitGhillie]

Bevy version

Latest main

Relevant system information

Windows 10

AdapterInfo { name: "AMD Radeon RX 7900 XT", vendor: 4098, device: 29772, device_type: DiscreteGpu, driver: "AMD proprietary driver", driver_info: "24.5.1 (LLPC)", backend: Vulkan }

What you did

• Go to the lightmaps example
• Add .insert_resource(Msaa::Off) and .insert_resource(DefaultOpaqueRendererMethod::deferred()) to the app.
• Add .insert(DeferredPrepass) or .insert(ScreenSpaceReflectionsBundle::default()) to the camera.

What went wrong

It looks like this:

Other lights seem to work as normal.

[JMS55]

I can't edit the issue title, but @alice-i-cecile it's an issue with deferred, not SSR.

It seems like lightmaps are not added to the gbuffer.

[alice-i-cecile]

Is this a regression since 0.13?

[GitGhillie]

No, looks like 0.13 has the same issue

[alice-i-cecile]

Thanks for checking. Unfortunate bug, but not blocking for the release of 0.14 then.