Crate rs2glsl

Automatic code convertion from Rust to GLSL.

use rs2glsl::prelude::*;

#[glsl]
fn smooth_min(a: f32, b: f32, k: f32) -> f32 {
    let mut h: f32 = a - b;

    h = 0.5 + 0.5 * h;

    if h < 0.0 {
        h = 0.0;
    }
    if h > 1.0 {
        h = 1.0;
    }

    return interpolation(a, b, h) - k * h * (1.0 - h);
}

#[glsl]
fn interpolation(a: f32, b: f32, t: f32) -> f32 {
    return a * (1.0 - t) + b * t;
}

let expected = r#"
float smooth_min(float a, float b, float k) {
    float h = a - b;
    h = 0.5 + 0.5 * h;
    if (h < 0.0) {
        h = 0.0;
    }
    if (h > 1.0) {
        h = 1.0;
    }
    return interpolation(a, b, h) - k * h * (1.0 - h);
}
"#;

assert_eq!(expected.trim(), GLSL_SMOOTH_MIN.definition());

Modules

macros

Macro implementations

prelude

All types, traits, and functions for use with GLSL

traits

All traits defined in rs2glsl.

types

GLSL types in Rust

Traits

GlslItem

An abstract Item representing an entity in GLSL code. May be implemented by GLSL constants, types, and functions.