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use std::mem::size_of;
use crate::util::builder;
use crate::vector::{Vec2, Vec3};
builder! {
#[builder(name = Builder, derives = (Debug, Default))]
#[derive(Debug, Clone, Default)]
#[repr(C)]
pub struct Vertex
{
pos: Vec3<f32>,
texture_coords: Vec2<f32>,
normal: Vec3<f32>,
}
}
impl Vertex
{
pub(crate) fn attrs() -> &'static [Attribute]
{
#[allow(clippy::cast_possible_truncation)]
&[
Attribute {
index: 0,
component_type: AttributeComponentType::Float,
component_cnt: AttributeComponentCnt::Three,
component_size: size_of::<f32>() as u32,
},
Attribute {
index: 1,
component_type: AttributeComponentType::Float,
component_cnt: AttributeComponentCnt::Two,
component_size: size_of::<f32>() as u32,
},
Attribute {
index: 2,
component_type: AttributeComponentType::Float,
component_cnt: AttributeComponentCnt::Three,
component_size: size_of::<f32>() as u32,
},
]
}
}
pub(crate) struct Attribute
{
pub(crate) index: u32,
pub(crate) component_type: AttributeComponentType,
pub(crate) component_cnt: AttributeComponentCnt,
pub(crate) component_size: u32,
}
pub(crate) enum AttributeComponentType
{
Float,
}
#[derive(Debug, Clone, Copy)]
#[repr(u32)]
#[allow(dead_code)]
pub(crate) enum AttributeComponentCnt
{
One = 1,
Two = 2,
Three = 3,
Four = 4,
}
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