5da64ddbee
## Objective Fix motion blur not working on skinned meshes. ## Solution `set_mesh_motion_vector_flags` can set `RenderMeshInstanceFlags::HAS_PREVIOUS_SKIN` after specialization has already cached the material. This can lead to `MeshPipelineKey::HAS_PREVIOUS_SKIN` never getting set, disabling motion blur. The fix is to make sure `set_mesh_motion_vector_flags` happens before specialization. Note that the bug is fixed in a different way by #18074, which includes other fixes but is a much larger change. ## Testing Open the `animated_mesh` example and add these components to the `Camera3d` entity: ```rust MotionBlur { shutter_angle: 5.0, samples: 2, #[cfg(all(feature = "webgl2", target_arch = "wasm32", not(feature = "webgpu")))] _webgl2_padding: Default::default(), }, #[cfg(all(feature = "webgl2", target_arch = "wasm32", not(feature = "webgpu")))] Msaa::Off, ``` Tested on `animated_mesh`, `many_foxes`, `custom_skinned_mesh`, Win10/Nvidia with Vulkan, WebGL/Chrome, WebGPU/Chrome. Note that testing `many_foxes` WebGL requires #18715. |
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Bevy PBR
