Constant nannou::ui::backend::glium::VERTEX_SHADER_120

pub const VERTEX_SHADER_120: &'static str = "\n    #version 120\n\n    attribute vec2 position;\n    attribute vec2 tex_coords;\n    attribute vec4 color;\n    attribute float mode;\n\n    varying vec2 v_tex_coords;\n    varying vec4 v_color;\n    varying float v_mode;\n\n    void main() {\n        gl_Position = vec4(position, 0.0, 1.0);\n        v_tex_coords = tex_coords;\n        v_color = color;\n        v_mode = mode;\n    }\n"

The vertex shader used within the glium::Program for OpenGL.