$input a_position $output v_depth /* * Copyright 2013-2014 Dario Manesku. All rights reserved. * License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause */ #include "../common/common.sh" void main() { gl_Position = mul(u_modelViewProj, vec4(a_position, 1.0) ); v_depth = gl_Position.z * 0.5 + 0.5; }