bevy/crates/bevy_pbr/Cargo.toml
JMS55 6e8d43a037
Faster MeshletMesh deserialization (#14193)
# 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`
2024-07-15 15:06:02 +00:00

68 lines
2.4 KiB
TOML

[package]
name = "bevy_pbr"
version = "0.15.0-dev"
edition = "2021"
description = "Adds PBR rendering to Bevy Engine"
homepage = "https://bevyengine.org"
repository = "https://github.com/bevyengine/bevy"
license = "MIT OR Apache-2.0"
keywords = ["bevy"]
[features]
webgl = []
webgpu = []
pbr_transmission_textures = []
pbr_multi_layer_material_textures = []
pbr_anisotropy_texture = []
shader_format_glsl = ["bevy_render/shader_format_glsl"]
trace = ["bevy_render/trace"]
ios_simulator = ["bevy_render/ios_simulator"]
# Enables the meshlet renderer for dense high-poly scenes (experimental)
meshlet = ["dep:lz4_flex", "dep:thiserror", "dep:range-alloc", "dep:bevy_tasks"]
# Enables processing meshes into meshlet meshes
meshlet_processor = ["meshlet", "dep:meshopt", "dep:metis", "dep:itertools"]
[dependencies]
# bevy
bevy_app = { path = "../bevy_app", version = "0.15.0-dev" }
bevy_asset = { path = "../bevy_asset", version = "0.15.0-dev" }
bevy_color = { path = "../bevy_color", version = "0.15.0-dev" }
bevy_core_pipeline = { path = "../bevy_core_pipeline", version = "0.15.0-dev" }
bevy_derive = { path = "../bevy_derive", version = "0.15.0-dev" }
bevy_ecs = { path = "../bevy_ecs", version = "0.15.0-dev" }
bevy_math = { path = "../bevy_math", version = "0.15.0-dev" }
bevy_reflect = { path = "../bevy_reflect", version = "0.15.0-dev", features = [
"bevy",
] }
bevy_render = { path = "../bevy_render", version = "0.15.0-dev" }
bevy_tasks = { path = "../bevy_tasks", version = "0.15.0-dev", optional = true }
bevy_transform = { path = "../bevy_transform", version = "0.15.0-dev" }
bevy_utils = { path = "../bevy_utils", version = "0.15.0-dev" }
bevy_window = { path = "../bevy_window", version = "0.15.0-dev" }
# other
bitflags = "2.3"
fixedbitset = "0.5"
# meshlet
lz4_flex = { version = "0.11", default-features = false, features = [
"frame",
], optional = true }
thiserror = { version = "1", optional = true }
range-alloc = { version = "0.1", optional = true }
meshopt = { version = "0.3.0", optional = true }
metis = { version = "0.2", optional = true }
itertools = { version = "0.13", optional = true }
# direct dependency required for derive macro
bytemuck = { version = "1", features = ["derive", "must_cast"] }
radsort = "0.1"
smallvec = "1.6"
nonmax = "0.5"
static_assertions = "1"
[lints]
workspace = true
[package.metadata.docs.rs]
rustdoc-args = ["-Zunstable-options", "--cfg", "docsrs"]
all-features = true