mirror of https://github.com/bkaradzic/bgfx
35 lines
584 B
Scala
35 lines
584 B
Scala
$input v_k
|
|
|
|
/*
|
|
* Copyright 2013-2014 Dario Manesku. All rights reserved.
|
|
* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
|
|
*/
|
|
|
|
#include "../common/common.sh"
|
|
|
|
uniform vec4 u_svparams;
|
|
|
|
#define u_dfail u_svparams.y
|
|
|
|
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 = v_k;
|
|
|
|
if (!gl_FrontFacing)
|
|
k = -k;
|
|
|
|
if (u_dfail == 0.0)
|
|
k = -k;
|
|
|
|
gl_FragColor = stencilColor(k);
|
|
}
|