Vulkan: LightmapGI has incorrect indirect light probes when using static directional light

[jcostello]

Godot version

v4.1.dev.custom_build [437041a]

System information

Ubuntu with Nvidia 2060

Issue description

When baking static directional light, lightmap probes don't work as expected like with dynamic bake.

Dynamic Bake

Static Bake

Steps to reproduce

Use MRP

Bake directional light as dynamic
Disable and enable sphere mesh to apply probes lighting

Bake directional light as static
Disable and enable sphere mesh to apply probes lighting

See the same result as image above

Minimal reproduction project

lightmap.zip

[atirut-w]

Seems to still happen on v4.1.stable.official [9704596]. Here are screenshots with probe gizmos enabled:

Dynamic(default)

Static

This doesn't affect just directional lights either. I tested this with omni and spot lights and they are both affected:

[Calinou]

• Related to Vulkan: LightmapGI's Directional property only works correctly when lights' bake mode is Dynamic, not Static #49936.

[jcostello]

#82068 Fixes the issue