bgfx/3rdparty/glsl-optimizer/tests/fragment/complex-prepasslight-ir.txt

struct v2f {
  vec4 pos;
  vec4 uv;
  vec3 ray;
};
varying vec3 xlv_TEXCOORD1;
varying vec4 xlv_TEXCOORD0;
uniform vec4 unity_LightmapFade;
uniform vec4 _ZBufferParams;
uniform vec3 _WorldSpaceCameraPos;
uniform samplerCube _ShadowMapTexture;
uniform vec4 _ProjectionParams;
uniform sampler2D _LightTextureB0;
uniform samplerCube _LightTexture0;
uniform vec4 _LightShadowData;
uniform vec4 _LightPositionRange;
uniform vec4 _LightPos;
uniform mat4 _LightMatrix0;
uniform vec4 _LightColor;
uniform mat4 _CameraToWorld;
uniform sampler2D _CameraNormalsTexture;
uniform sampler2D _CameraDepthTexture;
float xll_saturate (
  in float x
)
{
  float tmpvar_1;
  tmpvar_1 = clamp (x, 0.0, 1.0);
  return tmpvar_1;
}

vec2 xll_saturate (
  in vec2 x
)
{
  vec2 tmpvar_1;
  tmpvar_1 = clamp (x, 0.0, 1.0);
  return tmpvar_1;
}

vec3 xll_saturate (
  in vec3 x
)
{
  vec3 tmpvar_1;
  tmpvar_1 = clamp (x, 0.0, 1.0);
  return tmpvar_1;
}

vec4 xll_saturate (
  in vec4 x
)
{
  vec4 tmpvar_1;
  tmpvar_1 = clamp (x, 0.0, 1.0);
  return tmpvar_1;
}

mat2 xll_saturate (
  in mat2 m
)
{
  vec2 tmpvar_1;
  tmpvar_1 = clamp (m[0], 0.0, 1.0);
  vec2 tmpvar_2;
  tmpvar_2 = clamp (m[1], 0.0, 1.0);
  mat2 tmpvar_3;
  vec2 tmpvar_4;
  tmpvar_4 = tmpvar_1;
  tmpvar_3[0] = tmpvar_4;
  vec2 tmpvar_5;
  tmpvar_5 = tmpvar_2;
  tmpvar_3[1] = tmpvar_5;
  return tmpvar_3;
}

mat3 xll_saturate (
  in mat3 m
)
{
  vec3 tmpvar_1;
  tmpvar_1 = clamp (m[0], 0.0, 1.0);
  vec3 tmpvar_2;
  tmpvar_2 = clamp (m[1], 0.0, 1.0);
  vec3 tmpvar_3;
  tmpvar_3 = clamp (m[2], 0.0, 1.0);
  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;
}

mat4 xll_saturate (
  in mat4 m
)
{
  vec4 tmpvar_1;
  tmpvar_1 = clamp (m[0], 0.0, 1.0);
  vec4 tmpvar_2;
  tmpvar_2 = clamp (m[1], 0.0, 1.0);
  vec4 tmpvar_3;
  tmpvar_3 = clamp (m[2], 0.0, 1.0);
  vec4 tmpvar_4;
  tmpvar_4 = clamp (m[3], 0.0, 1.0);
  mat4 tmpvar_5;
  vec4 tmpvar_6;
  tmpvar_6 = tmpvar_1;
  tmpvar_5[0] = tmpvar_6;
  vec4 tmpvar_7;
  tmpvar_7 = tmpvar_2;
  tmpvar_5[1] = tmpvar_7;
  vec4 tmpvar_8;
  tmpvar_8 = tmpvar_3;
  tmpvar_5[2] = tmpvar_8;
  vec4 tmpvar_9;
  tmpvar_9 = tmpvar_4;
  tmpvar_5[3] = tmpvar_9;
  return tmpvar_5;
}

vec2 xll_vecTSel (
  in bvec2 a,
  in vec2 b,
  in vec2 c
)
{
  float tmpvar_1;
  if (a.x) {
    tmpvar_1 = b.x;
  } else {
    tmpvar_1 = c.x;
  };
  float tmpvar_2;
  if (a.y) {
    tmpvar_2 = b.y;
  } else {
    tmpvar_2 = c.y;
  };
  vec2 tmpvar_3;
  tmpvar_3.x = tmpvar_1;
  tmpvar_3.y = tmpvar_2;
  return tmpvar_3;
}

vec3 xll_vecTSel (
  in bvec3 a,
  in vec3 b,
  in vec3 c
)
{
  float tmpvar_1;
  if (a.x) {
    tmpvar_1 = b.x;
  } else {
    tmpvar_1 = c.x;
  };
  float tmpvar_2;
  if (a.y) {
    tmpvar_2 = b.y;
  } else {
    tmpvar_2 = c.y;
  };
  float tmpvar_3;
  if (a.z) {
    tmpvar_3 = b.z;
  } else {
    tmpvar_3 = c.z;
  };
  vec3 tmpvar_4;
  tmpvar_4.x = tmpvar_1;
  tmpvar_4.y = tmpvar_2;
  tmpvar_4.z = tmpvar_3;
  return tmpvar_4;
}

vec4 xll_vecTSel (
  in bvec4 a,
  in vec4 b,
  in vec4 c
)
{
  float tmpvar_1;
  if (a.x) {
    tmpvar_1 = b.x;
  } else {
    tmpvar_1 = c.x;
  };
  float tmpvar_2;
  if (a.y) {
    tmpvar_2 = b.y;
  } else {
    tmpvar_2 = c.y;
  };
  float tmpvar_3;
  if (a.z) {
    tmpvar_3 = b.z;
  } else {
    tmpvar_3 = c.z;
  };
  float tmpvar_4;
  if (a.w) {
    tmpvar_4 = b.w;
  } else {
    tmpvar_4 = c.w;
  };
  vec4 tmpvar_5;
  tmpvar_5.x = tmpvar_1;
  tmpvar_5.y = tmpvar_2;
  tmpvar_5.z = tmpvar_3;
  tmpvar_5.w = tmpvar_4;
  return tmpvar_5;
}

float Luminance (
  in vec3 c
)
{
  float tmpvar_1;
  tmpvar_1 = dot (c, vec3(0.22, 0.707, 0.071));
  return tmpvar_1;
}

float Linear01Depth (
  in float z
)
{
  return (1.0 / ((_ZBufferParams.x * z) + _ZBufferParams.y));
}

float DecodeFloatRGBA (
  in vec4 enc
)
{
  vec4 kDecodeDot;
  vec4 tmpvar_1;
  tmpvar_1 = vec4(1.0, 0.00392157, 1.53787e-05, 0.0);
  kDecodeDot = tmpvar_1;
  float tmpvar_2;
  tmpvar_2 = dot (enc, kDecodeDot);
  return tmpvar_2;
}

float SampleCubeDistance (
  in vec3 vec
)
{
  vec4 packDist;
  vec4 tmpvar_1;
  tmpvar_1 = textureCube (_ShadowMapTexture, vec);
  vec4 tmpvar_2;
  tmpvar_2 = tmpvar_1;
  packDist = tmpvar_2;
  float tmpvar_3;
  tmpvar_3 = DecodeFloatRGBA (packDist);
  return tmpvar_3;
}

float unitySampleShadow (
  in vec3 vec,
  in float mydist
)
{
  vec4 shadows;
  vec4 shadowVals;
  float z;
  float tmpvar_1;
  tmpvar_1 = 0.0078125;
  z = tmpvar_1;
  vec3 tmpvar_2;
  tmpvar_2.x = z;
  tmpvar_2.y = z;
  tmpvar_2.z = z;
  float tmpvar_3;
  tmpvar_3 = SampleCubeDistance ((vec + tmpvar_2));
  float tmpvar_4;
  tmpvar_4 = tmpvar_3;
  shadowVals.x = tmpvar_4;
  vec3 tmpvar_5;
  tmpvar_5.x = -(z);
  tmpvar_5.y = -(z);
  tmpvar_5.z = z;
  float tmpvar_6;
  tmpvar_6 = SampleCubeDistance ((vec + tmpvar_5));
  float tmpvar_7;
  tmpvar_7 = tmpvar_6;
  shadowVals.y = vec2(tmpvar_7).y;
  vec3 tmpvar_8;
  tmpvar_8.x = -(z);
  tmpvar_8.y = z;
  tmpvar_8.z = -(z);
  float tmpvar_9;
  tmpvar_9 = SampleCubeDistance ((vec + tmpvar_8));
  float tmpvar_10;
  tmpvar_10 = tmpvar_9;
  shadowVals.z = vec3(tmpvar_10).z;
  vec3 tmpvar_11;
  tmpvar_11.x = z;
  tmpvar_11.y = -(z);
  tmpvar_11.z = -(z);
  float tmpvar_12;
  tmpvar_12 = SampleCubeDistance ((vec + tmpvar_11));
  float tmpvar_13;
  tmpvar_13 = tmpvar_12;
  shadowVals.w = vec4(tmpvar_13).w;
  vec4 tmpvar_14;
  tmpvar_14 = vec4(mydist);
  vec4 tmpvar_15;
  tmpvar_15 = tmpvar_14.xyzw;
  bvec4 tmpvar_16;
  tmpvar_16 = lessThan (shadowVals, tmpvar_15);
  vec4 tmpvar_17;
  tmpvar_17 = _LightShadowData.xxxx.xyzw;
  vec4 tmpvar_18;
  tmpvar_18 = xll_vecTSel (tmpvar_16, tmpvar_17, vec4(1.0, 1.0, 1.0, 1.0));
  vec4 tmpvar_19;
  tmpvar_19 = tmpvar_18;
  shadows = tmpvar_19;
  float tmpvar_20;
  tmpvar_20 = dot (shadows, vec4(0.25, 0.25, 0.25, 0.25));
  return tmpvar_20;
}

float ComputeShadow (
  in vec3 vec,
  in float z,
  in vec2 uv
)
{
  float mydist;
  float fade;
  float tmpvar_1;
  tmpvar_1 = ((z * _LightShadowData.z) + _LightShadowData.w);
  fade = tmpvar_1;
  float tmpvar_2;
  tmpvar_2 = xll_saturate (fade);
  float tmpvar_3;
  tmpvar_3 = tmpvar_2;
  fade = tmpvar_3;
  float tmpvar_4;
  tmpvar_4 = length (vec);
  float tmpvar_5;
  tmpvar_5 = (tmpvar_4 * _LightPositionRange.w);
  mydist = tmpvar_5;
  float tmpvar_6;
  tmpvar_6 = (mydist * 0.97);
  mydist = tmpvar_6;
  float tmpvar_7;
  tmpvar_7 = unitySampleShadow (vec, mydist);
  return tmpvar_7;
  return 1.0;
}

vec4 xlat_main (
  in v2f i
)
{
  float fade;
  vec4 res;
  float spec;
  vec3 h;
  float diff;
  float atten;
  float att;
  vec3 lightDir;
  vec3 tolight;
  vec3 wpos;
  vec4 vpos;
  float depth;
  vec3 normal;
  vec4 nspec;
  vec2 uv;
  vec3 tmpvar_1;
  tmpvar_1 = (i.ray * (_ProjectionParams.z / i.ray.z));
  i.ray = tmpvar_1;
  vec2 tmpvar_2;
  tmpvar_2 = (i.uv.xy / i.uv.w);
  uv = tmpvar_2;
  vec4 tmpvar_3;
  tmpvar_3 = texture2D (_CameraNormalsTexture, uv);
  vec4 tmpvar_4;
  tmpvar_4 = tmpvar_3;
  nspec = tmpvar_4;
  vec3 tmpvar_5;
  tmpvar_5 = ((nspec.xyz * 2.0) - 1.0);
  normal = tmpvar_5;
  vec3 tmpvar_6;
  tmpvar_6 = normalize (normal);
  vec3 tmpvar_7;
  tmpvar_7 = tmpvar_6;
  normal = tmpvar_7;
  vec4 tmpvar_8;
  tmpvar_8 = texture2D (_CameraDepthTexture, uv);
  float tmpvar_9;
  tmpvar_9 = tmpvar_8.x;
  depth = tmpvar_9;
  float tmpvar_10;
  tmpvar_10 = Linear01Depth (depth);
  float tmpvar_11;
  tmpvar_11 = tmpvar_10;
  depth = tmpvar_11;
  vec4 tmpvar_12;
  tmpvar_12.w = 1.0;
  tmpvar_12.xyz = (i.ray * depth).xyz;
  vec4 tmpvar_13;
  tmpvar_13 = tmpvar_12;
  vpos = tmpvar_13;
  vec3 tmpvar_14;
  tmpvar_14 = (_CameraToWorld * vpos).xyz;
  wpos = tmpvar_14;
  vec3 tmpvar_15;
  tmpvar_15 = (wpos - _LightPos.xyz);
  tolight = tmpvar_15;
  vec3 tmpvar_16;
  tmpvar_16 = normalize (tolight);
  vec3 tmpvar_17;
  tmpvar_17 = -(tmpvar_16);
  lightDir = tmpvar_17;
  float tmpvar_18;
  tmpvar_18 = dot (tolight, tolight);
  float tmpvar_19;
  tmpvar_19 = (tmpvar_18 * _LightPos.w);
  att = tmpvar_19;
  vec2 tmpvar_20;
  tmpvar_20 = vec2(att);
  vec2 tmpvar_21;
  tmpvar_21 = tmpvar_20.xy;
  vec4 tmpvar_22;
  tmpvar_22 = texture2D (_LightTextureB0, tmpvar_21);
  float tmpvar_23;
  tmpvar_23 = tmpvar_22.w;
  atten = tmpvar_23;
  float tmpvar_24;
  tmpvar_24 = ComputeShadow (tolight, vpos.z, uv);
  float tmpvar_25;
  tmpvar_25 = (atten * tmpvar_24);
  atten = tmpvar_25;
  vec4 tmpvar_26;
  tmpvar_26.w = 1.0;
  tmpvar_26.xyz = wpos.xyz;
  vec4 tmpvar_27;
  tmpvar_27 = textureCube (_LightTexture0, (_LightMatrix0 * tmpvar_26).xyz);
  float tmpvar_28;
  tmpvar_28 = (atten * tmpvar_27.w);
  atten = tmpvar_28;
  float tmpvar_29;
  tmpvar_29 = dot (lightDir, normal);
  float tmpvar_30;
  tmpvar_30 = max (0.0, tmpvar_29);
  float tmpvar_31;
  tmpvar_31 = tmpvar_30;
  diff = tmpvar_31;
  vec3 tmpvar_32;
  tmpvar_32 = normalize ((wpos - _WorldSpaceCameraPos));
  vec3 tmpvar_33;
  tmpvar_33 = normalize ((lightDir - tmpvar_32));
  vec3 tmpvar_34;
  tmpvar_34 = tmpvar_33;
  h = tmpvar_34;
  float tmpvar_35;
  tmpvar_35 = dot (h, normal);
  float tmpvar_36;
  tmpvar_36 = max (0.0, tmpvar_35);
  float tmpvar_37;
  tmpvar_37 = pow (tmpvar_36, (nspec.w * 128.0));
  float tmpvar_38;
  tmpvar_38 = tmpvar_37;
  spec = tmpvar_38;
  float tmpvar_39;
  tmpvar_39 = xll_saturate (atten);
  float tmpvar_40;
  tmpvar_40 = (spec * tmpvar_39);
  spec = tmpvar_40;
  vec3 tmpvar_41;
  tmpvar_41 = (_LightColor.xyz * (diff * atten));
  res.xyz = tmpvar_41.xyz.xyz;
  float tmpvar_42;
  tmpvar_42 = Luminance (_LightColor.xyz);
  float tmpvar_43;
  tmpvar_43 = (spec * tmpvar_42);
  res.w = vec4(tmpvar_43).w;
  float tmpvar_44;
  tmpvar_44 = ((vpos.z * unity_LightmapFade.z) + unity_LightmapFade.w);
  fade = tmpvar_44;
  float tmpvar_45;
  tmpvar_45 = xll_saturate ((1.0 - fade));
  vec4 tmpvar_46;
  tmpvar_46 = (res * tmpvar_45);
  res = tmpvar_46;
  vec4 tmpvar_47;
  tmpvar_47 = exp2 (-(res));
  return tmpvar_47;
}

void main ()
{
  v2f xlt_i;
  vec4 xl_retval;
  vec4 tmpvar_1;
  tmpvar_1 = vec4(0.0, 0.0, 0.0, 0.0);
  xlt_i.pos = tmpvar_1;
  vec4 tmpvar_2;
  tmpvar_2 = xlv_TEXCOORD0.xyzw;
  vec4 tmpvar_3;
  tmpvar_3 = tmpvar_2;
  xlt_i.uv = tmpvar_3;
  vec3 tmpvar_4;
  tmpvar_4 = xlv_TEXCOORD1.xyz;
  vec3 tmpvar_5;
  tmpvar_5 = tmpvar_4;
  xlt_i.ray = tmpvar_5;
  vec4 tmpvar_6;
  tmpvar_6 = xlat_main (xlt_i);
  vec4 tmpvar_7;
  tmpvar_7 = tmpvar_6;
  xl_retval = tmpvar_7;
  vec4 tmpvar_8;
  tmpvar_8 = xl_retval.xyzw;
  vec4 tmpvar_9;
  tmpvar_9 = tmpvar_8;
  gl_FragData[0] = tmpvar_9;
}