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37522fd0ae
This commit makes the following optimizations: ## `MeshPipelineKey`/`BaseMeshPipelineKey` split `MeshPipelineKey` has been split into `BaseMeshPipelineKey`, which lives in `bevy_render` and `MeshPipelineKey`, which lives in `bevy_pbr`. Conceptually, `BaseMeshPipelineKey` is a superclass of `MeshPipelineKey`. For `BaseMeshPipelineKey`, the bits start at the highest (most significant) bit and grow downward toward the lowest bit; for `MeshPipelineKey`, the bits start at the lowest bit and grow upward toward the highest bit. This prevents them from colliding. The goal of this is to avoid having to reassemble bits of the pipeline key for every mesh every frame. Instead, we can just use a bitwise or operation to combine the pieces that make up a `MeshPipelineKey`. ## `specialize_slow` Previously, all of `specialize()` was marked as `#[inline]`. This bloated `queue_material_meshes` unnecessarily, as a large chunk of it ended up being a slow path that was rarely hit. This commit refactors the function to move the slow path to `specialize_slow()`. Together, these two changes shave about 5% off `queue_material_meshes`:  ## Migration Guide - The `primitive_topology` field on `GpuMesh` is now an accessor method: `GpuMesh::primitive_topology()`. - For performance reasons, `MeshPipelineKey` has been split into `BaseMeshPipelineKey`, which lives in `bevy_render`, and `MeshPipelineKey`, which lives in `bevy_pbr`. These two should be combined with bitwise-or to produce the final `MeshPipelineKey`. |
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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_ecs_compile_fail_tests | ||
| bevy_encase_derive | ||
| bevy_gilrs | ||
| bevy_gizmos | ||
| bevy_gltf | ||
| bevy_hierarchy | ||
| bevy_input | ||
| bevy_internal | ||
| bevy_log | ||
| bevy_macro_utils | ||
| bevy_macros_compile_fail_tests | ||
| 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 | ||