diff options
| author | Erik Kundiman <erik@megapahit.org> | 2024-08-31 21:25:47 +0800 |
|---|---|---|
| committer | Erik Kundiman <erik@megapahit.org> | 2024-09-01 20:43:42 +0800 |
| commit | 95582654e49422d51b55665c3f2821c848ad1cb8 (patch) | |
| tree | d6d03a887b8e1b6c3be1b139d63b1638c5d0fdcd /doc/testplans/pbr_materials.md | |
| parent | ab3f483a3e5ed213882a83b882095cfdb6a4de57 (diff) | |
| parent | b0fefd62adbf51f32434ba077e9f52d8a9241d15 (diff) | |
Merge remote-tracking branch 'secondlife/release/2024.08-DeltaFPS' into 2024.08-DeltaFPS
Diffstat (limited to 'doc/testplans/pbr_materials.md')
| -rw-r--r-- | doc/testplans/pbr_materials.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/testplans/pbr_materials.md b/doc/testplans/pbr_materials.md new file mode 100644 index 0000000000..1ef7945b94 --- /dev/null +++ b/doc/testplans/pbr_materials.md @@ -0,0 +1,12 @@ +# PBR Materials + +## KHR Texture Transforms + +Texture repeats for PBR materials on prims are based on the [KHR\_texture\_transform](https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_texture_transform) spec, and thus should be expected to behave according to the spec. We currently suport offset, rotation, and scale from the spec. texCoord is not currently supported. + +PBR materials should have approximately correct lighting based on the normal texture: + +- With default texture transforms, assuming the prim or model has correct normals and tangents +- With a texture transform applied, especially rotation or negative scale +- With a texture animation applied via `llSetTextureAnim`, especially a rotation animation + - Note: Texture animations are not guaranteed to loop when a PBR texture transform is applied |