pub const VERTEX_SHADER_SOURCE: &[u8] = b"
#version 100
precision mediump float;

attribute vec3 position;
attribute vec3 color;

varying vec3 v_color;

void main() {
  gl_Position = vec4(position, 1.0);
  v_color = color;
}
\0";

pub const FRAGMENT_SHADER_SOURCE: &[u8] = b"
#version 100
precision mediump float;

varying vec3 v_color;

void main() {
  gl_FragColor = vec4(v_color, 1.0);
}
\0";