pub mod square_vs {
shader!{
ty: "vertex",
src: "
#version 450
layout(location = 0) in vec2 position;
layout(location = 0) out vec2 out_coords;
void main() {
out_coords = vec2(position.x/2, position.y/2)+vec2(0.5);
gl_Position = vec4(position, 0, 1);
}
"
}
}