bgfx/examples/14-shadowvolumes/fs_shadowvolume_svbacktex2.sc
Бранимир Караџић 4581f14cd4 Happy New Year!
2022-01-15 11:59:06 -08:00

27 lines
488 B
Scala

/*
* Copyright 2013-2014 Dario Manesku. All rights reserved.
* License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
*/
#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);
}