cocos-creator-template/assets/chunks/lighting-models/data-structures/lighting-misc-data.chunk

// for user modified lighting result
struct LightingMiscData
{
  // local light source raw attributes, same as CCForwardLight
  // use lightingData.L for actual lighting vector, lightDir may be zero with point lights
  float lightType;
  vec3 lightPos, lightDir;
  vec4 lightColorAndIntensity;
  vec4 lightSizeRangeAngle;
};