fgdata/Compositor/HDR/env-capture-pass.xml

<?xml version="1.0" encoding="utf-8"?>

<PropertyList>
  <type>scene</type>
  <implicit-attachment-mask>depth</implicit-attachment-mask>
  <effect-scheme>hdr-envmap</effect-scheme>
  <clear-mask>depth</clear-mask>
  <!--
      Only render:
      - Terrain (both WS 2.0 and 3.0)
      - Clouds
      - Skydome
  -->
  <cull-mask>0x1801</cull-mask>
  <binding>
    <unit>12</unit>
    <buffer>transmittance</buffer>
  </binding>
  <binding>
    <unit>13</unit>
    <buffer>sky-view</buffer>
  </binding>
  <binding>
    <unit>14</unit>
    <buffer>prev-luminance</buffer>
  </binding>
</PropertyList>