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make mesh byte conversion zero-copy again

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This commit is contained in:
Carter Anderson 2020-06-03 11:15:58 -07:00
parent d65a2c783d
commit c9ae10a8a9
1 changed files with 7 additions and 8 deletions
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15
crates/bevy_render/src/mesh.rs
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@ -8,11 +8,11 @@ use crate::{
shader::AsUniforms, shader::AsUniforms,
Renderable, Vertex, Renderable, Vertex,
}; };
use bevy_app::{GetEventReader, Events}; use bevy_app::{Events, GetEventReader};
use bevy_asset::{AssetEvent, Assets, Handle}; use bevy_asset::{AssetEvent, Assets, Handle};
use bevy_core::bytes::AsBytes;
use glam::*; use glam::*;
use legion::prelude::*; use legion::prelude::*;
use bevy_core::bytes::{Byteable, AsBytes};
use std::{borrow::Cow, collections::HashSet}; use std::{borrow::Cow, collections::HashSet};
use thiserror::Error; use thiserror::Error;
@ -37,13 +37,12 @@ impl VertexAttributeValues {
} }
// TODO: add vertex format as parameter here and perform type conversions // TODO: add vertex format as parameter here and perform type conversions
// TODO: make this zero-copy if possible. how did zerocopy implement AsBytes for Vec<T>? pub fn get_bytes(&self) -> &[u8] {
pub fn get_bytes(&self) -> Vec<u8> {
match self { match self {
VertexAttributeValues::Float(values) => values.as_slice().as_bytes().to_vec(), VertexAttributeValues::Float(values) => values.as_slice().as_bytes(),
VertexAttributeValues::Float2(values) => values.as_slice().as_bytes().to_vec(), VertexAttributeValues::Float2(values) => values.as_slice().as_bytes(),
VertexAttributeValues::Float3(values) => values.as_slice().as_bytes().to_vec(), VertexAttributeValues::Float3(values) => values.as_slice().as_bytes(),
VertexAttributeValues::Float4(values) => values.as_slice().as_bytes().to_vec(), VertexAttributeValues::Float4(values) => values.as_slice().as_bytes(),
} }
} }
} }