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# Objective - The StandardMaterial always uses ATTRIBUTE_UV_0 for each texture except lightmap. This is not flexible enough for a lot of gltf Files. - Fixes #12496 - Fixes #13086 - Fixes #13122 - Closes #13153 ## Solution - The StandardMaterial gets extended for each texture by an UvChannel enum. It defaults to Uv0 but can also be set to Uv1. - The gltf loader now handles the texcoord information. If the texcoord is not supported it creates a warning. - It uses StandardMaterial shader defs to define which attribute to use. ## Testing This fixes #12496 for example:  For testing of all kind of textures I used the TextureTransformMultiTest from https://github.com/KhronosGroup/glTF-Sample-Assets/tree/main/Models/TextureTransformMultiTest Its purpose is to test multiple texture transfroms but it is also a good test for different texcoords. It also shows the issue with emission #13133. Before:  After:  |
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| bevy_a11y | ||
| bevy_animation | ||
| bevy_app | ||
| bevy_asset | ||
| bevy_audio | ||
| bevy_color | ||
| bevy_core | ||
| bevy_core_pipeline | ||
| bevy_derive | ||
| bevy_dev_tools | ||
| bevy_diagnostic | ||
| bevy_dylib | ||
| bevy_dynamic_plugin | ||
| bevy_ecs | ||
| bevy_encase_derive | ||
| bevy_gilrs | ||
| bevy_gizmos | ||
| bevy_gltf | ||
| bevy_hierarchy | ||
| bevy_input | ||
| bevy_internal | ||
| bevy_log | ||
| bevy_macro_utils | ||
| bevy_math | ||
| bevy_mikktspace | ||
| bevy_pbr | ||
| bevy_ptr | ||
| bevy_reflect | ||
| bevy_render | ||
| bevy_scene | ||
| bevy_sprite | ||
| bevy_state | ||
| bevy_tasks | ||
| bevy_text | ||
| bevy_time | ||
| bevy_transform | ||
| bevy_ui | ||
| bevy_utils | ||
| bevy_window | ||
| bevy_winit | ||