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Trait bevy::render::render_resource::std430::AsStd430[−]

pub trait AsStd430 {
    type Output: Std430;
    fn as_std430(&self) -> Self::Output;

    fn from_std430(value: Self::Output) -> Self;

    fn std430_size_static() -> usize { ... }
}
Expand description

Trait implemented for all types that can be turned into std430 values.

This trait can often be #[derive]’d instead of manually implementing it. Any struct which contains only fields that also implement AsStd430 can derive AsStd430.

Types from the mint crate implement AsStd430, making them convenient for use in uniform types. Most Rust geometry crates, like cgmath, nalgebra, and ultraviolet support mint.

Example

uniform CAMERA {
    mat4 view;
    mat4 projection;
} camera;
use bevy_crevice::std430::{AsStd430, Std430};

#[derive(AsStd430)]
struct CameraUniform {
    view: mint::ColumnMatrix4<f32>,
    projection: mint::ColumnMatrix4<f32>,
}

let view: mint::ColumnMatrix4<f32> = todo!("your math code here");
let projection: mint::ColumnMatrix4<f32> = todo!("your math code here");

let camera = CameraUniform {
    view,
    projection,
};

let camera_std430 = camera.as_std430();
write_to_gpu_buffer(camera_std430.as_bytes());

Associated Types

The std430 version of this value.

Required methods

Convert this value into the std430 version of itself.

Converts from std430 version of self to self.

Provided methods

Returns the size of the std430 version of this type. Useful for pre-sizing buffers.

Implementations on Foreign Types

Implementors