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Progress towards https://github.com/bevyengine/bevy/issues/7386. Following discussion https://discord.com/channels/691052431525675048/1253260494538539048/1253387942311886960 This Pull Request adds an example to detect system order ambiguities, and also asserts none exist. A lot of schedules are ignored in ordered to have the test passing, we should thrive to make them pass, but in other pull requests. <details><summary>example output <b>summary</b>, without ignored schedules</summary> <p> ```txt $ cargo run --example ambiguity_detection 2>&1 | grep -C 1 "pairs of syst" 2024-06-21T13:17:55.776585Z WARN bevy_ecs::schedule::schedule: Schedule First has ambiguities. 1 pairs of systems with conflicting data access have indeterminate execution order. Consider adding `before`, `after`, or `ambiguous_with` relationships between these: -- bevy_time::time_system (in set TimeSystem) and bevy_ecs::event::event_update_system (in set EventUpdates) -- 2024-06-21T13:17:55.782265Z WARN bevy_ecs::schedule::schedule: Schedule PreUpdate has ambiguities. 11 pairs of systems with conflicting data access have indeterminate execution order. Consider adding `before`, `after`, or `ambiguous_with` relationships between these: -- bevy_pbr::prepass::update_mesh_previous_global_transforms and bevy_asset::server::handle_internal_asset_events -- 2024-06-21T13:17:55.809516Z WARN bevy_ecs::schedule::schedule: Schedule PostUpdate has ambiguities. 63 pairs of systems with conflicting data access have indeterminate execution order. Consider adding `before`, `after`, or `ambiguous_with` relationships between these: -- bevy_ui::accessibility::image_changed and bevy_ecs::schedule::executor::apply_deferred -- 2024-06-21T13:17:55.816287Z WARN bevy_ecs::schedule::schedule: Schedule Last has ambiguities. 3 pairs of systems with conflicting data access have indeterminate execution order. Consider adding `before`, `after`, or `ambiguous_with` relationships between these: -- bevy_gizmos::update_gizmo_meshes<bevy_gizmos::aabb::AabbGizmoConfigGroup> (in set UpdateGizmoMeshes) and bevy_gizmos::update_gizmo_meshes<bevy_gizmos::light::LightGizmoConfigGroup> (in set UpdateGizmoMeshes) -- 2024-06-21T13:17:55.831074Z WARN bevy_ecs::schedule::schedule: Schedule ExtractSchedule has ambiguities. 296 pairs of systems with conflicting data access have indeterminate execution order. Consider adding `before`, `after`, or `ambiguous_with` relationships between these: -- bevy_render::extract_component::extract_components<bevy_sprite::SpriteSource> and bevy_render::render_asset::extract_render_asset<bevy_sprite::mesh2d::material::PreparedMaterial2d<bevy_sprite::mesh2d::color_material::ColorMaterial>> ``` </p> </details> To try locally: ```sh CI_TESTING_CONFIG="./.github/example-run/ambiguity_detection.ron" cargo run --example ambiguity_detection --features "bevy_ci_testing,trace,trace_chrome" ``` --------- Co-authored-by: Jan Hohenheim <jan@hohenheim.ch> |
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| .. | ||
| alien_cake_addict.ron | ||
| ambiguity_detection.ron | ||
| breakout.ron | ||
| contributors.ron | ||
| load_gltf.ron | ||
| no_renderer.ron | ||
| scene.ron | ||