bgfx/3rdparty/glsl-optimizer/tests/fragment/zun-TreeCreatorLeavesRT-in.txt

void xll_clip(float x) {
  if ( x<0.0 ) discard;
}
struct v2f {
    vec4 pos;
    vec2 uv;
    vec3 color;
    vec3 backContrib;
    vec3 nl;
    vec3 nh;
};
uniform sampler2D _BumpSpecMap;
uniform float _Cutoff;
uniform sampler2D _MainTex;
uniform vec4 _SpecColor;
uniform vec4 _TerrainTreeLightColors[4];
uniform vec3 _TranslucencyColor;
uniform sampler2D _TranslucencyMap;

vec4 frag( in v2f i ) {
    vec4 col;
    vec3 albedo;
    float specular;
    vec4 trngls;
    float gloss;
    vec3 light;
    vec3 backContribs;
    int j = 0;
    vec3 lightColor;
    vec3 translucencyColor;
    float nl;
    float nh;
    float spec;
    vec4 c;
    col = texture2D( _MainTex, i.uv);
    xll_clip( (col.w  - _Cutoff) );
    albedo = (col.xyz  * i.color);
    specular = (texture2D( _BumpSpecMap, i.uv).x  * 128.000);
    trngls = texture2D( _TranslucencyMap, i.uv);
    gloss = trngls.w ;
    light = (vec3( gl_LightModel.ambient) * albedo);
    backContribs = (i.backContrib * trngls.z );
    for ( ; (j < 3); ( j++ )) {
        lightColor = _TerrainTreeLightColors[ j ].xyz ;
        translucencyColor = (backContribs[ j ] * _TranslucencyColor);
        nl = i.nl[ j ];
        nh = i.nh[ j ];
        spec = (pow( nh, specular) * gloss);
        light += (((albedo * (translucencyColor + nl)) + (_SpecColor.xyz  * spec)) * lightColor);
    }
    c.xyz  = (light * 2.00000);
    c.w  = 1.00000;
    return c;
}
void main() {
    vec4 xl_retval;
    v2f xlt_i;
    xlt_i.pos = vec4(0.0);
    xlt_i.uv = vec2( gl_TexCoord[0]);
    xlt_i.color = vec3( gl_TexCoord[1]);
    xlt_i.backContrib = vec3( gl_TexCoord[2]);
    xlt_i.nl = vec3( gl_TexCoord[3]);
    xlt_i.nh = vec3( gl_TexCoord[4]);
    xl_retval = frag( xlt_i);
    gl_FragData[0] = vec4( xl_retval);
}