6e8d43a037
# Objective - Using bincode to deserialize binary into a MeshletMesh is expensive (~77ms for a 5mb file). ## Solution - Write a custom deserializer using bytemuck's Pod types and slice casting. - Total asset load time has gone from ~102ms to ~12ms. - Change some types I never meant to be public to private and other misc cleanup. ## Testing - Ran the meshlet example and added timing spans to the asset loader. --- ## Changelog - Improved `MeshletMesh` loading speed - The `MeshletMesh` disk format has changed, and `MESHLET_MESH_ASSET_VERSION` has been bumped - `MeshletMesh` fields are now private - Renamed `MeshletMeshSaverLoad` to `MeshletMeshSaverLoader` - The `Meshlet`, `MeshletBoundingSpheres`, and `MeshletBoundingSphere` types are now private - Removed `MeshletMeshSaveOrLoadError::SerializationOrDeserialization` - Added `MeshletMeshSaveOrLoadError::WrongFileType` ## Migration Guide - Regenerate your `MeshletMesh` assets, as the disk format has changed, and `MESHLET_MESH_ASSET_VERSION` has been bumped - `MeshletMesh` fields are now private - `MeshletMeshSaverLoad` is now named `MeshletMeshSaverLoader` - The `Meshlet`, `MeshletBoundingSpheres`, and `MeshletBoundingSphere` types are now private - `MeshletMeshSaveOrLoadError::SerializationOrDeserialization` has been removed - Added `MeshletMeshSaveOrLoadError::WrongFileType`, match on this variant if you match on `MeshletMeshSaveOrLoadError`
69 lines
2.4 KiB
TOML
69 lines
2.4 KiB
TOML
[package]
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name = "bevy_pbr"
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version = "0.15.0-dev"
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edition = "2021"
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description = "Adds PBR rendering to Bevy Engine"
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homepage = "https://bevyengine.org"
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repository = "https://github.com/bevyengine/bevy"
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license = "MIT OR Apache-2.0"
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keywords = ["bevy"]
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[features]
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webgl = []
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webgpu = []
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pbr_transmission_textures = []
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pbr_multi_layer_material_textures = []
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pbr_anisotropy_texture = []
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shader_format_glsl = ["bevy_render/shader_format_glsl"]
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trace = ["bevy_render/trace"]
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ios_simulator = ["bevy_render/ios_simulator"]
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# Enables the meshlet renderer for dense high-poly scenes (experimental)
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meshlet = ["dep:lz4_flex", "dep:thiserror", "dep:range-alloc", "dep:bevy_tasks"]
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# Enables processing meshes into meshlet meshes
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meshlet_processor = ["meshlet", "dep:meshopt", "dep:metis", "dep:itertools"]
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[dependencies]
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# bevy
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bevy_app = { path = "../bevy_app", version = "0.15.0-dev" }
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bevy_asset = { path = "../bevy_asset", version = "0.15.0-dev" }
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bevy_color = { path = "../bevy_color", version = "0.15.0-dev" }
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bevy_core_pipeline = { path = "../bevy_core_pipeline", version = "0.15.0-dev" }
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bevy_derive = { path = "../bevy_derive", version = "0.15.0-dev" }
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bevy_ecs = { path = "../bevy_ecs", version = "0.15.0-dev" }
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bevy_math = { path = "../bevy_math", version = "0.15.0-dev" }
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bevy_reflect = { path = "../bevy_reflect", version = "0.15.0-dev", features = [
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"bevy",
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] }
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bevy_render = { path = "../bevy_render", version = "0.15.0-dev" }
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bevy_tasks = { path = "../bevy_tasks", version = "0.15.0-dev", optional = true }
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bevy_transform = { path = "../bevy_transform", version = "0.15.0-dev" }
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bevy_utils = { path = "../bevy_utils", version = "0.15.0-dev" }
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bevy_window = { path = "../bevy_window", version = "0.15.0-dev" }
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# other
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bitflags = "2.3"
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fixedbitset = "0.5"
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# meshlet
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lz4_flex = { version = "0.11", default-features = false, features = [
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"frame",
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], optional = true }
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thiserror = { version = "1", optional = true }
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range-alloc = { version = "0.1", optional = true }
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meshopt = { version = "0.3.0", optional = true }
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metis = { version = "0.2", optional = true }
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itertools = { version = "0.13", optional = true }
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# direct dependency required for derive macro
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bytemuck = { version = "1", features = ["derive", "must_cast"] }
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radsort = "0.1"
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smallvec = "1.6"
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nonmax = "0.5"
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static_assertions = "1"
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[lints]
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workspace = true
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[package.metadata.docs.rs]
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rustdoc-args = ["-Zunstable-options", "--cfg", "docsrs"]
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all-features = true
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