fgdata/Effects/HDR/histogram-column.eff

<?xml version="1.0" encoding="utf-8"?>
<PropertyList>
  <name>Effects/HDR/histogram-column</name>
  <parameters>
    <!-- exposure.glsl -->
    <exposure-compensation>
      <use>/sim/rendering/hdr/exposure-compensation</use>
    </exposure-compensation>
  </parameters>
  <technique n="1">
    <pass>
      <program>
        <vertex-shader>Shaders/HDR/quad_notexcoord.vert</vertex-shader>
        <fragment-shader>Shaders/HDR/histogram_column.frag</fragment-shader>
        <fragment-shader>Shaders/HDR/color.glsl</fragment-shader>
        <fragment-shader>Shaders/HDR/histogram.glsl</fragment-shader>
        <fragment-shader>Shaders/HDR/exposure.glsl</fragment-shader>
      </program>
      <uniform>
        <name>hdr_tex</name>
        <type>sampler-2d</type>
        <value type="int">0</value>
      </uniform>
      <!-- exposure.glsl -->
      <uniform>
        <name>lum_tex</name>
        <type>sampler-2d</type>
        <value type="int">14</value>
      </uniform>
      <uniform>
        <name>exposure_compensation</name>
        <type>float</type>
        <value><use>exposure-compensation</use></value>
      </uniform>
    </pass>
  </technique>
</PropertyList>