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When multiple scattering and transmission are both enabled and Max Ray Samples > 1, Mantra consumes too much memory.
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### Tested versions
- Reproduce in Godot 4.1 stable, Godot 4.2.1 stable,Godot 4.3-dev5
### System information
Windows 11 - Godot v4.1.0 stable - Vulkan (Forward+) - dedicated !
### Issue d…
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```
In our multi-threaded application, we have a thread that renders osg, and
another one that displays a GUI. That GUI changes ocean properties, such as
refraction.
When enabling/disabling refract…
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Focusing on:
- Absorption, reflection and refraction of light
- Light interaction with materials
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Laser component: a raycast with reflection off objects.
Asteroid given a reflective index (albedo) from [0 to 1]
Where 0 does not reflect, and 1 reflects 100% of the beam.
0.5 would reflect 50% of t…
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```
In our multi-threaded application, we have a thread that renders osg, and
another one that displays a GUI. That GUI changes ocean properties, such as
refraction.
When enabling/disabling refract…
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**Describe the solution you'd like**
I am using this 3d model viewer for internal model viewing, I have noticed that refraction and thickness maps on GLTF/GLB files doesn't work correctly.
How the…
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## Bevy version
0.12.1
## What you did
1. Create new principled BSDF material in Blender
2. Set transmission close to 1
3. Set IOR to something other than 1 to get some refraction going
4.…
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Need to finish a first version of all illumination loop:
- diffuse direct
- diffuse indirect
- specular direct
- specular indirect
- subsurface
- refraction
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Tested with RadeonProRenderSDK 2.02.2, also reproducible in the Blender addon
![image](https://user-images.githubusercontent.com/16514346/114702655-05b88500-9d2d-11eb-88f7-d57697bb9ff1.png)
Using…