bgfx/examples/16-shadowmaps/fs_shadowmaps_packdepth_linear.sc

$input v_depth

/*
 * Copyright 2013-2014 Dario Manesku. All rights reserved.
 * License: http://www.opensource.org/licenses/BSD-2-Clause
 */

#include "../common/common.sh"

void main()
{
	gl_FragColor = packFloatToRgba(v_depth);
}