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#if SHADERPASS != SHADERPASS_FORWARD_UNLIT
#error SHADERPASS_is_not_correctly_define
#endif
float4 Frag(PackedVaryings packedInput) : SV_Target
{
FragInputs input = UnpackVaryings(packedInput);
// input.unPositionSS is SV_Position
PositionInputs posInput = GetPositionInput(input.unPositionSS.xy, _ScreenSize.zw);
UpdatePositionInput(input.unPositionSS.z, input.unPositionSS.w, input.positionWS, posInput);
float3 V = GetWorldSpaceNormalizeViewDir(input.positionWS);
SurfaceData surfaceData;
BuiltinData builtinData;
GetSurfaceAndBuiltinData(input, V, posInput, surfaceData, builtinData);
// Not lit here (but emissive is allowed)
BSDFData bsdfData = ConvertSurfaceDataToBSDFData(surfaceData);
// TODO: we must not access bsdfData here, it break the genericity of the code!
return float4(bsdfData.color + builtinData.emissiveColor, builtinData.opacity);
}