bgfx/3rdparty/glsl-optimizer/tests/vertex/loops-for-ir.txt

struct v2f {
  vec4 pos;
  vec4 color;
};
struct appdata {
  vec4 vertex;
  vec3 normal;
};
varying vec4 xlv_TEXCOORD0;
uniform vec4 unity_LightPosition[4];
uniform vec4 unity_LightColor[4];
uniform vec4 unity_LightAtten[4];
uniform mat4 UNITY_MATRIX_MVP;
uniform mat4 UNITY_MATRIX_MV;
uniform mat4 UNITY_MATRIX_IT_MV;
mat3 xll_constructMat3 (
  in mat4 m
)
{
  vec3 tmpvar_1;
  tmpvar_1 = m[0].xyz;
  vec3 tmpvar_2;
  tmpvar_2 = m[1].xyz;
  vec3 tmpvar_3;
  tmpvar_3 = m[2].xyz;
  mat3 tmpvar_4;
  vec3 tmpvar_5;
  tmpvar_5 = tmpvar_1;
  tmpvar_4[0] = tmpvar_5;
  vec3 tmpvar_6;
  tmpvar_6 = tmpvar_2;
  tmpvar_4[1] = tmpvar_6;
  vec3 tmpvar_7;
  tmpvar_7 = tmpvar_3;
  tmpvar_4[2] = tmpvar_7;
  return tmpvar_4;
}

vec3 ShadeMyVertexLights (
  in vec4 vertex,
  in vec3 normal
)
{
  float diff;
  float atten;
  float lengthSq;
  vec3 toLight;
  int i;
  vec3 lightColor;
  vec3 viewN;
  vec3 viewpos;
  vec3 tmpvar_1;
  tmpvar_1 = vec3(0.0, 0.0, 0.0);
  lightColor = tmpvar_1;
  int tmpvar_2;
  tmpvar_2 = 0;
  i = tmpvar_2;
  vec3 tmpvar_3;
  tmpvar_3 = (UNITY_MATRIX_MV * vertex).xyz;
  viewpos = tmpvar_3;
  mat3 tmpvar_4;
  tmpvar_4 = (xll_constructMat3 (UNITY_MATRIX_IT_MV));
  vec3 tmpvar_5;
  tmpvar_5 = (tmpvar_4 * normal);
  viewN = tmpvar_5;
  while (true) {
    if (!((i < 2))) {
      break;
    };
    vec3 tmpvar_6;
    tmpvar_6 = (unity_LightPosition[i].xyz - viewpos.xyz);
    toLight = tmpvar_6;
    float tmpvar_7;
    tmpvar_7 = dot (toLight, toLight);
    float tmpvar_8;
    tmpvar_8 = tmpvar_7;
    lengthSq = tmpvar_8;
    float tmpvar_9;
    tmpvar_9 = (1.0 / (1.0 + (lengthSq * unity_LightAtten[i].z)));
    atten = tmpvar_9;
    vec3 tmpvar_10;
    tmpvar_10 = normalize (toLight);
    float tmpvar_11;
    tmpvar_11 = dot (viewN, tmpvar_10);
    float tmpvar_12;
    tmpvar_12 = max (0.0, tmpvar_11);
    float tmpvar_13;
    tmpvar_13 = tmpvar_12;
    diff = tmpvar_13;
    vec3 tmpvar_14;
    tmpvar_14 = (lightColor + (unity_LightColor[i].xyz * (diff * atten)));
    lightColor = tmpvar_14;
    int _post_incdec_tmp;
    _post_incdec_tmp = i;
    int tmpvar_15;
    tmpvar_15 = (i + 1);
    i = tmpvar_15;
  };
  return (lightColor * 2.0);
}

v2f xlat_main (
  in appdata v
)
{
  v2f o;
  vec4 tmpvar_1;
  tmpvar_1 = (UNITY_MATRIX_MVP * v.vertex);
  o.pos = tmpvar_1;
  vec3 tmpvar_2;
  tmpvar_2 = ShadeMyVertexLights (v.vertex, v.normal);
  vec4 tmpvar_3;
  tmpvar_3.w = 1.0;
  tmpvar_3.xyz = tmpvar_2.xyz;
  vec4 tmpvar_4;
  tmpvar_4 = tmpvar_3;
  o.color = tmpvar_4;
  return o;
}

void main ()
{
  appdata xlt_v;
  v2f xl_retval;
  vec4 tmpvar_1;
  tmpvar_1 = gl_Vertex.xyzw;
  vec4 tmpvar_2;
  tmpvar_2 = tmpvar_1;
  xlt_v.vertex = tmpvar_2;
  vec3 tmpvar_3;
  tmpvar_3 = gl_Normal.xyz;
  vec3 tmpvar_4;
  tmpvar_4 = tmpvar_3;
  xlt_v.normal = tmpvar_4;
  v2f tmpvar_5;
  tmpvar_5 = xlat_main (xlt_v);
  v2f tmpvar_6;
  tmpvar_6 = tmpvar_5;
  xl_retval = tmpvar_6;
  vec4 tmpvar_7;
  tmpvar_7 = xl_retval.pos.xyzw;
  vec4 tmpvar_8;
  tmpvar_8 = tmpvar_7;
  gl_Position = tmpvar_8;
  vec4 tmpvar_9;
  tmpvar_9 = xl_retval.color.xyzw;
  vec4 tmpvar_10;
  tmpvar_10 = tmpvar_9;
  xlv_TEXCOORD0 = tmpvar_10;
}