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Adopted #8266, so copy-pasting the description from there: # Objective Support the KHR_texture_transform extension for the glTF loader. - Fixes #6335 - Fixes #11869 - Implements part of #11350 - Implements the GLTF part of #399 ## Solution As is, this only supports a single transform. Looking at Godot's source, they support one transform with an optional second one for detail, AO, and emission. glTF specifies one per texture. The public domain materials I looked at seem to share the same transform. So maybe having just one is acceptable for now. I tried to include a warning if multiple different transforms exist for the same material. Note the gltf crate doesn't expose the texture transform for the normal and occlusion textures, which it should, so I just ignored those for now. (note by @janhohenheim: this is still the case) Via `cargo run --release --example scene_viewer ~/src/clone/glTF-Sample-Models/2.0/TextureTransformTest/glTF/TextureTransformTest.gltf`:  ## Changelog Support for the [KHR_texture_transform](https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_texture_transform) extension added. Texture UVs that were scaled, rotated, or offset in a GLTF are now properly handled. --------- Co-authored-by: Al McElrath <hello@yrns.org> Co-authored-by: Kanabenki <lucien.menassol@gmail.com> |
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