bgfx/examples/16-shadowmaps/fs_shadowmaps_packdepth.sc

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$input v_position
/*
2014-01-14 02:45:18 +04:00
* Copyright 2013-2014 Dario Manesku. All rights reserved.
2016-01-01 11:11:04 +03:00
* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
*/
#include "../common/common.sh"
void main()
{
float depth = v_position.z/v_position.w * 0.5 + 0.5;
gl_FragColor = packFloatToRgba(depth);
}