bgfx/3rdparty/glsl-optimizer/tests/fragment/unity-Test_VertexShaderDepthTexture-ir.txt

struct v2f {
  vec4 pos;
  vec2 uv;
};
uniform vec4 _ZBufferParams;
uniform sampler2D _CameraDepthTexture;
float Linear01Depth (
  in float z
)
{
  return (1.0 / ((_ZBufferParams.x * z) + _ZBufferParams.y));
}

vec4 frag (
  in v2f i
)
{
  vec4 tmpvar_1;
  tmpvar_1 = texture2D (_CameraDepthTexture, i.uv);
  float tmpvar_2;
  tmpvar_2 = Linear01Depth (tmpvar_1.x);
  vec4 tmpvar_3;
  tmpvar_3 = vec4((1.0 - tmpvar_2));
  return tmpvar_3;
}

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;
  vec2 tmpvar_2;
  tmpvar_2 = gl_TexCoord[0].xy;
  vec2 tmpvar_3;
  tmpvar_3 = tmpvar_2;
  xlt_i.uv = tmpvar_3;
  vec4 tmpvar_4;
  tmpvar_4 = frag (xlt_i);
  vec4 tmpvar_5;
  tmpvar_5 = tmpvar_4;
  xl_retval = tmpvar_5;
  vec4 tmpvar_6;
  tmpvar_6 = xl_retval.xyzw;
  vec4 tmpvar_7;
  tmpvar_7 = tmpvar_6;
  gl_FragData[0] = tmpvar_7;
}