bgfx/examples/14-shadowvolumes/fs_shadowvolume_svbacktex2.sc
Branimir Karadžić 4bb2b623d3 Happy New Year!
2016-01-01 00:11:04 -08:00

27 lines
489 B
Scala

/*
* Copyright 2013-2014 Dario Manesku. All rights reserved.
* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
*/
#include "../common/common.sh"
vec4 stencilColor(float _k)
{
return vec4(float(abs(_k - 1.0) < 0.0001)/255.0
, float(abs(_k + 1.0) < 0.0001)/255.0
, float(abs(_k - 2.0) < 0.0001)/255.0
, float(abs(_k + 2.0) < 0.0001)/255.0
);
}
void main()
{
float k = 2.0;
if (!gl_FrontFacing)
{
k = -k;
}
gl_FragColor = stencilColor(k);
}