GLSL Loader for webgl-rc

Shader file

/* include absolute path 'project_dir/glsl/lib/color.glsl'  */
#include <lib/color.glsl>

/* include relative path './common/bezier.glsl' */
#include "./common/bezier.glsl"

void main() {
    ...
}

Rust file

use webgl_rc::load_glsl;

const fragment_source: &str = load_glsl!("fragment.glsl");

lib.rs:

GLSL Loading Macro

[load_glsl] macro is similar to std::include_str but it has some differences:

• it loads files from glsl directory at the project root,
• it supports #include <lib/color.glsl> or #incluide "../lib/color.glsl" macro in the files.