Seeking Solutions for Abnormal VAT Vertex Animation Behavior in Gamma Space

[38boss38]

I found that the VAT vertex animation behaves abnormally under Gamma space. I tried adding GammaToLinear before inputting the vertex offset, but it didn't solve the problem. Does anyone who has encountered a similar situation have any suggestions or ideas to offer?

[38boss38]

I should also mention that I used the Unity Editor tool to convert the VAT texture to the EXR format to prevent texture compression.

[ArneBezuijen]

A bit late, but in case this is still relevant or someone else encounters it: Unity's texture importer clamps negative values when working in Gamma space. This has been a know issue for years, see for example this thread on their forums.

This doesn't affect render targets created in code, such as used by this tool, but it will once you convert the texture and import it as a regular texture like you did.