It appears that Texture Samplers for Virtual Textures do not respect the Tiling Method from the Virtual Texture Asset when the "Sampler Source" is set to "from texture asset".
1. Download the attached test project and open
2. Observe the two materials "/Game/Materials/M_BasicSampler_T" and "/Game/Materials/M_BasicSampler_VT". In the "Texture" parameter for both, the "Sampler Source" is set to "from texture asset"
3. Observe the textures in the "/Game/Textures/" folder. There is a texture for the permutation of [Regular, Virtual] and [Wrap, Clamp] that correspond to the matrix in the level.
4. Observe that the Virtual Texture with the texture set to Clamp does not Clamp in the material - it Wraps.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-210863 in the post.
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Component | UE - Rendering Architecture |
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Affects Versions | 5.4 |
Target Fix | 5.6 |
Created | Mar 28, 2024 |
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Updated | Sep 5, 2024 |