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https://github.com/bevyengine/bevy
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# Objective Speed up the render phase of rendering. Simplify the trait structure for render commands. ## Solution - Merge `EntityPhaseItem` into `PhaseItem` (`EntityPhaseItem::entity` -> `PhaseItem::entity`) - Merge `EntityRenderCommand` into `RenderCommand`. - Add two associated types to `RenderCommand`: `RenderCommand::ViewWorldQuery` and `RenderCommand::WorldQuery`. - Use the new associated types to construct two `QueryStates`s for `RenderCommandState`. - Hoist any `SQuery<T>` fetches in `EntityRenderCommand`s into the aformentioned two queries. Batch fetch them all at once. ## Performance `main_opaque_pass_3d` is slightly faster on `many_foxes` (427.52us -> 401.15us)  The shadow pass node is also slightly faster (344.52 -> 338.24us)  ## Future Work - Can we hoist the view level queries out of the core loop? --- ## Changelog Added: `PhaseItem::entity` Added: `RenderCommand::ViewWorldQuery` associated type. Added: `RenderCommand::ItemorldQuery` associated type. Added: `Draw<T>::prepare` optional trait function. Removed: `EntityPhaseItem` trait ## Migration Guide TODO |
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| .. | ||
| bevy_animation | ||
| bevy_app | ||
| bevy_asset | ||
| bevy_audio | ||
| bevy_core | ||
| bevy_core_pipeline | ||
| bevy_derive | ||
| bevy_diagnostic | ||
| bevy_dylib | ||
| bevy_dynamic_plugin | ||
| bevy_ecs | ||
| bevy_ecs_compile_fail_tests | ||
| bevy_encase_derive | ||
| bevy_gilrs | ||
| bevy_gltf | ||
| bevy_hierarchy | ||
| bevy_input | ||
| bevy_internal | ||
| bevy_log | ||
| bevy_macro_utils | ||
| bevy_math | ||
| bevy_mikktspace | ||
| bevy_pbr | ||
| bevy_ptr | ||
| bevy_reflect | ||
| bevy_reflect_compile_fail_tests | ||
| bevy_render | ||
| bevy_scene | ||
| bevy_sprite | ||
| bevy_tasks | ||
| bevy_text | ||
| bevy_time | ||
| bevy_transform | ||
| bevy_ui | ||
| bevy_utils | ||
| bevy_window | ||
| bevy_winit | ||
