fgdata/Compositor/Effects/terrain-default.eff

<?xml version='1.0' encoding='UTF-8'?>
<PropertyList>
  <name>Effects/terrain-default</name>
  <!-- <inherits-from>another-effect</inherits-from> -->
  <parameters>
    <material>
      <ambient type="vec4d">
				0.2 .2 0.2 1.0
			</ambient>
      <diffuse type="vec4d">
				.8 .8 .8 1.0
			</diffuse>
      <specular type="vec4d">
				0.0 0.0 0.0 1.0
			</specular>
      <emissive type="vec4d">
				0.0 0.0 0.0 1.0
			</emissive>
      <shininess>1.2</shininess>
    </material>
    <texture n="0">
      <image>Textures/Terrain/unknown.png</image>
      <type>2d</type>
      <filter>linear-mipmap-linear</filter>
      <!-- also repeat -->
      <wrap-s>repeat</wrap-s>
      <wrap-t>repeat</wrap-t>
      <!--
           <wrap-r>clamp-to-border</wrap-r>
           -->
      <!-- float, signed-integer, integer -->
      <internal-format>normalized</internal-format>
    </texture>
    <texture n="10">
      <image>Textures/Terrain/snow3.png</image>
      <type>2d</type>
      <filter>linear-mipmap-linear</filter>
      <wrap-s>repeat</wrap-s>
      <wrap-t>repeat</wrap-t>
      <internal-format>normalized</internal-format>
    </texture>
    <texture n="11">
      <image>Textures/Terrain/void.png</image>
      <type>2d</type>
      <filter>linear-mipmap-linear</filter>
      <wrap-s>repeat</wrap-s>
      <wrap-t>repeat</wrap-t>
      <internal-format>normalized</internal-format>
    </texture>
    <texture n="12">
      <image>Textures/Terrain/void.png</image>
      <type>2d</type>
      <filter>linear-mipmap-linear</filter>
      <wrap-s>repeat</wrap-s>
      <wrap-t>repeat</wrap-t>
      <internal-format>normalized</internal-format>
    </texture>
    <texture n="13">
      <image>Textures/Terrain/rock_alt.png</image>
      <type>2d</type>
      <filter>linear-mipmap-linear</filter>
      <wrap-s>repeat</wrap-s>
      <wrap-t>repeat</wrap-t>
      <internal-format>normalized</internal-format>
    </texture>
    <texture n="14">
      <image>Textures/Terrain/grain_texture.png</image>
      <type>2d</type>
      <filter>linear-mipmap-linear</filter>
      <wrap-s>repeat</wrap-s>
      <wrap-t>repeat</wrap-t>
      <internal-format>normalized</internal-format>
    </texture>
    <texture n="15">
      <image>Textures/Terrain/void.png</image>
      <type>2d</type>
      <filter>linear-mipmap-linear</filter>
      <wrap-s>repeat</wrap-s>
      <wrap-t>repeat</wrap-t>
      <internal-format>normalized</internal-format>
    </texture>
    <transparent>false</transparent>
    <render-bin>
      <bin-number>0</bin-number>
      <bin-name>RenderBin</bin-name>
    </render-bin>
    <material-id>0</material-id>
    <grain_strength>0.5</grain_strength>
    <intrinsic_wetness>0.0</intrinsic_wetness>
    <transition_model>0.5</transition_model>
    <hires_overlay_bias>0.0</hires_overlay_bias>
    <dot_density>1.0</dot_density>
    <dot_size>1.0</dot_size>
    <dust_resistance>1.0</dust_resistance>
    <rock_strata>0</rock_strata>
    <raise_vertex type="bool">false</raise_vertex>
    <visibility>
      <use>/environment/ground-visibility-m</use>
    </visibility>
    <avisibility>
      <use>/environment/visibility-m</use>
    </avisibility>
    <lthickness>
      <use>/environment/ground-haze-thickness-m</use>
    </lthickness>
    <scattering>
      <use>/rendering/scene/scattering</use>
    </scattering>
    <ground_scattering>
      <use>/environment/surface/scattering</use>
    </ground_scattering>
    <terminator>
      <use>/environment/terminator-relative-position-m</use>
    </terminator>
    <terrain_alt>
      <use>/environment/mean-terrain-elevation-m</use>
    </terrain_alt>
    <overcast>
      <use>/rendering/scene/overcast</use>
    </overcast>
    <eye_alt>
      <use>/sim/rendering/eye-altitude-m</use>
    </eye_alt>
    <snow_level>
      <use>/environment/snow-level-m</use>
    </snow_level>
    <snow_thickness_factor>
      <use>/environment/surface/snow-thickness-factor</use>
    </snow_thickness_factor>
    <dust_cover_factor>
      <use>/environment/surface/dust-cover-factor</use>
    </dust_cover_factor>
    <lichen_cover_factor>
      <use>/environment/surface/lichen-cover-factor</use>
    </lichen_cover_factor>
    <wetness>
      <use>/environment/surface/wetness</use>
    </wetness>
    <fogtype>
      <use>/sim/rendering/shaders/skydome</use>
    </fogtype>
    <fogstructure>
      <use>/environment/fog-structure</use>
    </fogstructure>
    <cloud_self_shading>
      <use>/environment/cloud-self-shading</use>
    </cloud_self_shading>
    <moonlight>
      <use>/environment/moonlight</use>
    </moonlight>
    <season>
      <use>/environment/season</use>
    </season>
    <air_pollution>
      <use>/environment/air-pollution-norm</use>
    </air_pollution>
    <delta_T>
      <use>/environment/surface/delta-T-soil</use>
    </delta_T>
    <wind_effects>
      <use>/sim/rendering/shaders/wind-effects</use>
    </wind_effects>
    <windE>
      <use>/environment/sea/surface/wind-from-east-fps</use>
    </windE>
    <windN>
      <use>/environment/sea/surface/wind-from-north-fps</use>
    </windN>
    <display_xsize>
      <use>/sim/startup/xsize</use>
    </display_xsize>
    <display_ysize>
      <use>/sim/startup/ysize</use>
    </display_ysize>
    <view_pitch_offset>
      <use>/sim/current-view/pitch-offset-deg</use>
    </view_pitch_offset>
    <view_heading_offset>
      <use>/sim/current-view/heading-offset-deg</use>
    </view_heading_offset>
    <view_fov>
      <use>/sim/current-view/field-of-view</use>
    </view_fov>
    <use_searchlight>
      <use>/sim/rendering/als-secondary-lights/use-searchlight</use>
    </use_searchlight>
    <use_landing_light>
      <use>/sim/rendering/als-secondary-lights/use-landing-light</use>
    </use_landing_light>
    <use_alt_landing_light>
      <use>/sim/rendering/als-secondary-lights/use-alt-landing-light</use>
    </use_alt_landing_light>
    <landing_light1_offset>
      <use>/sim/rendering/als-secondary-lights/landing-light1-offset-deg</use>
    </landing_light1_offset>
    <landing_light2_offset>
      <use>/sim/rendering/als-secondary-lights/landing-light2-offset-deg</use>
    </landing_light2_offset>
    <landing_light3_offset>
      <use>/sim/rendering/als-secondary-lights/landing-light3-offset-deg</use>
    </landing_light3_offset>
    <quality_level>
      <use>/sim/rendering/shaders/landmass</use>
    </quality_level>
    <tquality_level>
      <use>/sim/rendering/shaders/transition</use>
    </tquality_level>
    <use_filtering>
      <use>/sim/rendering/als-filters/use-filtering</use>
    </use_filtering>
    <gamma>
      <use>/sim/rendering/als-filters/gamma</use>
    </gamma>
    <brightness>
      <use>/sim/rendering/als-filters/brightness</use>
    </brightness>
    <fact_grey>
      <use>/sim/rendering/als-filters/grey-factor</use>
    </fact_grey>
    <fact_black>
      <use>/sim/rendering/als-filters/black-factor</use>
    </fact_black>
    <use_night_vision>
      <use>/sim/rendering/als-filters/use-night-vision</use>
    </use_night_vision>
    <use_IR_vision>
      <use>/sim/rendering/als-filters/use-IR-vision</use>
    </use_IR_vision>
    <cloudpos1_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[0]</use>
    </cloudpos1_x>
    <cloudpos1_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[0]</use>
    </cloudpos1_y>
    <cloudpos2_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[1]</use>
    </cloudpos2_x>
    <cloudpos2_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[1]</use>
    </cloudpos2_y>
    <cloudpos3_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[2]</use>
    </cloudpos3_x>
    <cloudpos3_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[2]</use>
    </cloudpos3_y>
    <cloudpos4_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[3]</use>
    </cloudpos4_x>
    <cloudpos4_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[3]</use>
    </cloudpos4_y>
    <cloudpos5_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[4]</use>
    </cloudpos5_x>
    <cloudpos5_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[4]</use>
    </cloudpos5_y>
    <cloudpos6_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[5]</use>
    </cloudpos6_x>
    <cloudpos6_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[5]</use>
    </cloudpos6_y>
    <cloudpos7_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[6]</use>
    </cloudpos7_x>
    <cloudpos7_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[6]</use>
    </cloudpos7_y>
    <cloudpos8_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[7]</use>
    </cloudpos8_x>
    <cloudpos8_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[7]</use>
    </cloudpos8_y>
    <cloudpos9_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[8]</use>
    </cloudpos9_x>
    <cloudpos9_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[8]</use>
    </cloudpos9_y>
    <cloudpos10_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[9]</use>
    </cloudpos10_x>
    <cloudpos10_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[9]</use>
    </cloudpos10_y>
    <cloudpos11_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[10]</use>
    </cloudpos11_x>
    <cloudpos11_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[10]</use>
    </cloudpos11_y>
    <cloudpos12_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[11]</use>
    </cloudpos12_x>
    <cloudpos12_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[11]</use>
    </cloudpos12_y>
    <cloudpos13_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[12]</use>
    </cloudpos13_x>
    <cloudpos13_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[12]</use>
    </cloudpos13_y>
    <cloudpos14_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[13]</use>
    </cloudpos14_x>
    <cloudpos14_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[13]</use>
    </cloudpos14_y>
    <cloudpos15_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[14]</use>
    </cloudpos15_x>
    <cloudpos15_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[14]</use>
    </cloudpos15_y>
    <cloudpos16_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[15]</use>
    </cloudpos16_x>
    <cloudpos16_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[15]</use>
    </cloudpos16_y>
    <cloudpos17_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[16]</use>
    </cloudpos17_x>
    <cloudpos17_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[16]</use>
    </cloudpos17_y>
    <cloudpos18_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[17]</use>
    </cloudpos18_x>
    <cloudpos18_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[17]</use>
    </cloudpos18_y>
    <cloudpos19_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[18]</use>
    </cloudpos19_x>
    <cloudpos19_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[18]</use>
    </cloudpos19_y>
    <cloudpos20_x>
      <use>/local-weather/cloud-shadows/cloudpos-x[19]</use>
    </cloudpos20_x>
    <cloudpos20_y>
      <use>/local-weather/cloud-shadows/cloudpos-y[19]</use>
    </cloudpos20_y>
    <cloudpos_n_x>
      <use>/local-weather/cloud-shadows/nearest-cloudpos-x</use>
    </cloudpos_n_x>
    <cloudpos_n_y>
      <use>/local-weather/cloud-shadows/nearest-cloudpos-y</use>
    </cloudpos_n_y>
    <cloud_shadow_flag>
      <use>/local-weather/cloud-shadows/cloud-shadow-flag</use>
    </cloud_shadow_flag>
    <!-- BEGIN shadows include -->
    <shadows_enabled>
      <use>/sim/rendering/als/shadows/enabled</use>
    </shadows_enabled>
    <sun_atlas_size>
      <use>/sim/rendering/als/shadows/sun-atlas-size</use>
    </sun_atlas_size>
    <!-- END shadows include -->
  </parameters>
  <!-- put techniques at a "high" index to allow derived effects to
       insert their own techniques first. -->
  <technique n="8">
    <predicate>
      <and>
        <property>/sim/rendering/shaders/quality-level</property>
        <property>/sim/rendering/shaders/generic</property>
        <or>
          <less-equal>
            <value type="float">2.0</value>
            <glversion/>
          </less-equal>
          <and>
            <extension-supported>GL_ARB_shader_objects</extension-supported>
            <extension-supported>GL_ARB_shading_language_100</extension-supported>
            <extension-supported>GL_ARB_vertex_shader</extension-supported>
            <extension-supported>GL_ARB_fragment_shader</extension-supported>
          </and>
        </or>
      </and>
    </predicate>
    <!--
    <pass>
      <lighting>true</lighting>
      <material>
        <ambient><use>material/ambient</use></ambient>
        <diffuse><use>material/diffuse</use></diffuse>
        <specular><use>material/specular</use></specular>
        <emissive><use>material/emissive</use></emissive>
        <shininess><use>material/shininess</use></shininess>
        <color-mode>ambient-and-diffuse</color-mode>
      </material>
      <alpha-test><use>transparent</use></alpha-test>
      <shade-model>smooth</shade-model>
      <cull-face>back</cull-face>
      <render-bin>
        <bin-number>-1</bin-number>
        <bin-name>RenderBin</bin-name>
      </render-bin>
      <texture-unit>
        <unit>0</unit>
		<type><use>texture[0]/type</use></type>
        <image><use>texture[0]/image</use></image>
        <filter><use>texture[0]/filter</use></filter>
        <wrap-s><use>texture[0]/wrap-s</use></wrap-s>
        <wrap-t><use>texture[0]/wrap-t</use></wrap-t>
        <internal-format><use>texture[0]/internal-format</use></internal-format>
      </texture-unit>
      <program>
        <vertex-shader n="0">Shaders/Default/include_fog.vert</vertex-shader>
        <vertex-shader n="1">Shaders/Default/default.vert</vertex-shader>
        <fragment-shader n="0">Shaders/Default/include_fog.frag</fragment-shader>
        <fragment-shader n="1">Shaders/Default/terrain-nocolor.frag</fragment-shader>
      </program>
      <uniform>
        <name>texture</name>
        <type>sampler-2d</type>
        <value type="int">0</value>
      </uniform>
      <color-mask type="vec4d">0 0 0 0</color-mask>
    </pass>
        -->
    <pass>
      <lighting>true</lighting>
      <material>
        <ambient>
          <use>material/ambient</use>
        </ambient>
        <diffuse>
          <use>material/diffuse</use>
        </diffuse>
        <specular>
          <use>material/specular</use>
        </specular>
        <emissive>
          <use>material/emissive</use>
        </emissive>
        <shininess>
          <use>material/shininess</use>
        </shininess>
        <color-mode>ambient-and-diffuse</color-mode>
      </material>
      <blend>
        <use>transparent</use>
      </blend>
      <alpha-test>
        <use>transparent</use>
      </alpha-test>
      <shade-model>smooth</shade-model>
      <cull-face>back</cull-face>
      <render-bin>
        <bin-number>
          <use>render-bin/bin-number</use>
        </bin-number>
        <bin-name>
          <use>render-bin/bin-name</use>
        </bin-name>
      </render-bin>
      <texture-unit>
        <unit>0</unit>
        <type>
          <use>texture[0]/type</use>
        </type>
        <image>
          <use>texture[0]/image</use>
        </image>
        <filter>
          <use>texture[0]/filter</use>
        </filter>
        <wrap-s>
          <use>texture[0]/wrap-s</use>
        </wrap-s>
        <wrap-t>
          <use>texture[0]/wrap-t</use>
        </wrap-t>
        <internal-format>
          <use>texture[0]/internal-format</use>
        </internal-format>
      </texture-unit>
      <program>
        <vertex-shader>Shaders/Default/include_fog.vert</vertex-shader>
        <vertex-shader>Shaders/Default/default.vert</vertex-shader>
        <fragment-shader>Shaders/Default/default.frag</fragment-shader>
        <fragment-shader>Shaders/Default/include_fog.frag</fragment-shader>
      </program>
      <uniform>
        <name>visibility</name>
        <type>float</type>
        <value>
          <use>visibility</use>
        </value>
      </uniform>
      <uniform>
        <name>avisibility</name>
        <type>float</type>
        <value>
          <use>avisibility</use>
        </value>
      </uniform>
      <uniform>
        <name>hazeLayerAltitude</name>
        <type>float</type>
        <value>
          <use>lthickness</use>
        </value>
      </uniform>
      <uniform>
        <name>scattering</name>
        <type>float</type>
        <value>
          <use>scattering</use>
        </value>
      </uniform>
      <uniform>
        <name>terminator</name>
        <type>float</type>
        <value>
          <use>terminator</use>
        </value>
      </uniform>
      <uniform>
        <name>fogType</name>
        <type>int</type>
        <value>
          <use>fogtype</use>
        </value>
      </uniform>
      <uniform>
        <name>texture</name>
        <type>sampler-2d</type>
        <value type="int">0</value>
      </uniform>
      <uniform>
        <name>colorMode</name>
        <type>int</type>
        <value>2</value>
        <!-- AMBIENT_AND_DIFFUSE -->
      </uniform>
      <depth>
        <function>lequal</function>
        <!--    <write-mask type="bool">false</write-mask> -->
      </depth>
    </pass>
  </technique>
  <technique n="9">
    <pass>
      <lighting>true</lighting>
      <material>
        <ambient>
          <use>material/ambient</use>
        </ambient>
        <diffuse>
          <use>material/diffuse</use>
        </diffuse>
        <specular>
          <use>material/specular</use>
        </specular>
        <emissive>
          <use>material/emissive</use>
        </emissive>
        <shininess>
          <use>material/shininess</use>
        </shininess>
        <color-mode>ambient-and-diffuse</color-mode>
      </material>
      <blend>
        <use>transparent</use>
      </blend>
      <alpha-test>
        <use>transparent</use>
      </alpha-test>
      <shade-model>smooth</shade-model>
      <cull-face>back</cull-face>
      <render-bin>
        <bin-number>
          <use>render-bin/bin-number</use>
        </bin-number>
        <bin-name>
          <use>render-bin/bin-name</use>
        </bin-name>
      </render-bin>
      <texture-unit>
        <unit>0</unit>
        <type>
          <use>texture[0]/type</use>
        </type>
        <image>
          <use>texture[0]/image</use>
        </image>
        <filter>
          <use>texture[0]/filter</use>
        </filter>
        <wrap-s>
          <use>texture[0]/wrap-s</use>
        </wrap-s>
        <wrap-t>
          <use>texture[0]/wrap-t</use>
        </wrap-t>
        <internal-format>
          <use>texture[0]/internal-format</use>
        </internal-format>
        <environment>
          <mode>modulate</mode>
        </environment>
      </texture-unit>
    </pass>
  </technique>
  <technique n="17">
    <scheme>als-lighting</scheme>
    <predicate>
      <and>
        <and>
          <less-equal>
            <value type="float">6.0</value>
            <float-property>/sim/rendering/shaders/landmass</float-property>
          </less-equal>
          <less-equal>
            <value type="float">6.0</value>
            <float-property>/sim/rendering/shaders/transition</float-property>
          </less-equal>
        </and>
        <or>
          <less-equal>
            <value type="float">2.0</value>
            <glversion/>
          </less-equal>
          <and>
            <extension-supported>GL_ARB_shader_objects</extension-supported>
            <extension-supported>GL_ARB_shading_language_100</extension-supported>
            <extension-supported>GL_ARB_vertex_shader</extension-supported>
            <extension-supported>GL_ARB_fragment_shader</extension-supported>
          </and>
        </or>
      </and>
    </predicate>
    <!--
    <pass>
      <lighting>true</lighting>
      <material>
        <ambient><use>material/ambient</use></ambient>
        <diffuse><use>material/diffuse</use></diffuse>
        <specular><use>material/specular</use></specular>
        <emissive><use>material/emissive</use></emissive>
        <shininess><use>material/shininess</use></shininess>
        <color-mode>ambient-and-diffuse</color-mode>
      </material>
      <alpha-test><use>transparent</use></alpha-test>
      <shade-model>smooth</shade-model>
      <cull-face>back</cull-face>
      <render-bin>
        <bin-number>-1</bin-number>
        <bin-name>RenderBin</bin-name>
      </render-bin>
      <program>
        <vertex-shader>Shaders/Default/trivial.vert</vertex-shader>
        <fragment-shader>Shaders/Default/trivial.frag</fragment-shader>
      </program>
      <color-mask type="vec4d">0 0 0 0</color-mask>
    </pass> -->
    <pass>
      <lighting>true</lighting>
      <material>
        <ambient>
          <use>material/ambient</use>
        </ambient>
        <diffuse>
          <use>material/diffuse</use>
        </diffuse>
        <specular>
          <use>material/specular</use>
        </specular>
        <emissive>
          <use>material/emissive</use>
        </emissive>
        <shininess>
          <use>material/shininess</use>
        </shininess>
        <color-mode>ambient-and-diffuse</color-mode>
      </material>
      <blend>
        <use>transparent</use>
      </blend>
      <alpha-test>
        <use>transparent</use>
      </alpha-test>
      <shade-model>smooth</shade-model>
      <cull-face>back</cull-face>
      <render-bin>
        <bin-number>
          <use>render-bin/bin-number</use>
        </bin-number>
        <bin-name>
          <use>render-bin/bin-name</use>
        </bin-name>
      </render-bin>
      <texture-unit>
        <unit>0</unit>
        <image>
          <use>texture[0]/image</use>
        </image>
        <type>
          <use>texture[0]/type</use>
        </type>
        <filter>
          <use>texture[0]/filter</use>
        </filter>
        <wrap-s>
          <use>texture[0]/wrap-s</use>
        </wrap-s>
        <wrap-t>
          <use>texture[0]/wrap-t</use>
        </wrap-t>
        <internal-format>
          <use>texture[0]/internal-format</use>
        </internal-format>
      </texture-unit>
      <texture-unit>
        <unit>2</unit>
        <image>
          <use>texture[13]/image</use>
        </image>
        <type>
          <use>texture[13]/type</use>
        </type>
        <filter>
          <use>texture[13]/filter</use>
        </filter>
        <wrap-s>
          <use>texture[13]/wrap-s</use>
        </wrap-s>
        <wrap-t>
          <use>texture[13]/wrap-t</use>
        </wrap-t>
        <internal-format>
          <use>texture[13]/internal-format</use>
        </internal-format>
      </texture-unit>
      <texture-unit>
        <unit>3</unit>
        <type>
          <use>texture[15]/type</use>
        </type>
        <image>
          <use>texture[15]/image</use>
        </image>
        <filter>
          <use>texture[15]/filter</use>
        </filter>
        <wrap-s>
          <use>texture[15]/wrap-s</use>
        </wrap-s>
        <wrap-t>
          <use>texture[15]/wrap-t</use>
        </wrap-t>
        <internal-format>
          <use>texture[15]/internal-format</use>
        </internal-format>
      </texture-unit>
      <texture-unit>
        <unit>4</unit>
        <type>
          <use>texture[14]/type</use>
        </type>
        <image>
          <use>texture[14]/image</use>
        </image>
        <filter>
          <use>texture[14]/filter</use>
        </filter>
        <wrap-s>
          <use>texture[14]/wrap-s</use>
        </wrap-s>
        <wrap-t>
          <use>texture[14]/wrap-t</use>
        </wrap-t>
        <internal-format>
          <use>texture[14]/internal-format</use>
        </internal-format>
      </texture-unit>
      <texture-unit>
        <unit>5</unit>
        <type>
          <use>texture[12]/type</use>
        </type>
        <image>
          <use>texture[12]/image</use>
        </image>
        <filter>
          <use>texture[12]/filter</use>
        </filter>
        <wrap-s>
          <use>texture[12]/wrap-s</use>
        </wrap-s>
        <wrap-t>
          <use>texture[12]/wrap-t</use>
        </wrap-t>
        <internal-format>
          <use>texture[12]/internal-format</use>
        </internal-format>
      </texture-unit>
      <texture-unit>
        <unit>7</unit>
        <type>
          <use>texture[11]/type</use>
        </type>
        <image>
          <use>texture[11]/image</use>
        </image>
        <filter>
          <use>texture[11]/filter</use>
        </filter>
        <wrap-s>
          <use>texture[11]/wrap-s</use>
        </wrap-s>
        <wrap-t>
          <use>texture[11]/wrap-t</use>
        </wrap-t>
        <internal-format>
          <use>texture[11]/internal-format</use>
        </internal-format>
      </texture-unit>
      <program>
        <vertex-shader>Shaders/ALS/terrain-ultra.vert</vertex-shader>
        <vertex-shader>Shaders/ALS/filters.vert</vertex-shader>
        <vertex-shader>Shaders/ALS/shadows-include.vert</vertex-shader>
        <fragment-shader>Shaders/ALS/terrain-ultra.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/noise.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/cloud-shadowfunc.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/hazes.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/secondary_lights.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/filters.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/shadows-include.frag</fragment-shader>
      </program>
      <uniform>
        <name>grain_strength</name>
        <type>float</type>
        <value>
          <use>grain_strength</use>
        </value>
      </uniform>
      <uniform>
        <name>intrinsic_wetness</name>
        <type>float</type>
        <value>
          <use>intrinsic_wetness</use>
        </value>
      </uniform>
      <uniform>
        <name>transition_model</name>
        <type>float</type>
        <value>
          <use>transition_model</use>
        </value>
      </uniform>
      <uniform>
        <name>hires_overlay_bias</name>
        <type>float</type>
        <value>
          <use>hires_overlay_bias</use>
        </value>
      </uniform>
      <uniform>
        <name>dot_density</name>
        <type>float</type>
        <value>
          <use>dot_density</use>
        </value>
      </uniform>
      <uniform>
        <name>dot_size</name>
        <type>float</type>
        <value>
          <use>dot_size</use>
        </value>
      </uniform>
      <uniform>
        <name>dust_resistance</name>
        <type>float</type>
        <value>
          <use>dust_resistance</use>
        </value>
      </uniform>
      <uniform>
        <name>visibility</name>
        <type>float</type>
        <value>
          <use>visibility</use>
        </value>
      </uniform>
      <uniform>
        <name>avisibility</name>
        <type>float</type>
        <value>
          <use>avisibility</use>
        </value>
      </uniform>
      <uniform>
        <name>hazeLayerAltitude</name>
        <type>float</type>
        <value>
          <use>lthickness</use>
        </value>
      </uniform>
      <uniform>
        <name>scattering</name>
        <type>float</type>
        <value>
          <use>scattering</use>
        </value>
      </uniform>
      <uniform>
        <name>ground_scattering</name>
        <type>float</type>
        <value>
          <use>ground_scattering</use>
        </value>
      </uniform>
      <uniform>
        <name>terminator</name>
        <type>float</type>
        <value>
          <use>terminator</use>
        </value>
      </uniform>
      <uniform>
        <name>terrain_alt</name>
        <type>float</type>
        <value>
          <use>terrain_alt</use>
        </value>
      </uniform>
      <uniform>
        <name>overcast</name>
        <type>float</type>
        <value>
          <use>overcast</use>
        </value>
      </uniform>
      <uniform>
        <name>eye_alt</name>
        <type>float</type>
        <value>
          <use>eye_alt</use>
        </value>
      </uniform>
      <uniform>
        <name>eye_lat</name>
        <type>float</type>
        <value>
          <use>eye_lat</use>
        </value>
      </uniform>
      <uniform>
        <name>eye_lon</name>
        <type>float</type>
        <value>
          <use>eye_lon</use>
        </value>
      </uniform>
      <uniform>
        <name>snowlevel</name>
        <type>float</type>
        <value>
          <use>snow_level</use>
        </value>
      </uniform>
      <uniform>
        <name>snow_thickness_factor</name>
        <type>float</type>
        <value>
          <use>snow_thickness_factor</use>
        </value>
      </uniform>
      <uniform>
        <name>dust_cover_factor</name>
        <type>float</type>
        <value>
          <use>dust_cover_factor</use>
        </value>
      </uniform>
      <uniform>
        <name>lichen_cover_factor</name>
        <type>float</type>
        <value>
          <use>lichen_cover_factor</use>
        </value>
      </uniform>
      <uniform>
        <name>wetness</name>
        <type>float</type>
        <value>
          <use>wetness</use>
        </value>
      </uniform>
      <uniform>
        <name>fogstructure</name>
        <type>float</type>
        <value>
          <use>fogstructure</use>
        </value>
      </uniform>
      <uniform>
        <name>cloud_self_shading</name>
        <type>float</type>
        <value>
          <use>cloud_self_shading</use>
        </value>
      </uniform>
      <uniform>
        <name>moonlight</name>
        <type>float</type>
        <value>
          <use>moonlight</use>
        </value>
      </uniform>
      <uniform>
        <name>season</name>
        <type>float</type>
        <value>
          <use>season</use>
        </value>
      </uniform>
      <uniform>
        <name>air_pollution</name>
        <type>float</type>
        <value>
          <use>air_pollution</use>
        </value>
      </uniform>
      <!-- secondary lights -->
      <uniform>
        <name>view_pitch_offset</name>
        <type>float</type>
        <value>
          <use>view_pitch_offset</use>
        </value>
      </uniform>
      <uniform>
        <name>view_heading_offset</name>
        <type>float</type>
        <value>
          <use>view_heading_offset</use>
        </value>
      </uniform>
      <uniform>
        <name>field_of_view</name>
        <type>float</type>
        <value>
          <use>view_fov</use>
        </value>
      </uniform>
      <uniform>
        <name>landing_light1_offset</name>
        <type>float</type>
        <value>
          <use>landing_light1_offset</use>
        </value>
      </uniform>
      <uniform>
        <name>landing_light2_offset</name>
        <type>float</type>
        <value>
          <use>landing_light2_offset</use>
        </value>
      </uniform>
      <uniform>
        <name>landing_light3_offset</name>
        <type>float</type>
        <value>
          <use>landing_light3_offset</use>
        </value>
      </uniform>
      <!-- filtering -->
      <uniform>
        <name>gamma</name>
        <type>float</type>
        <value>
          <use>gamma</use>
        </value>
      </uniform>
      <uniform>
        <name>brightness</name>
        <type>float</type>
        <value>
          <use>brightness</use>
        </value>
      </uniform>
      <uniform>
        <name>use_night_vision</name>
        <type>bool</type>
        <value>
          <use>use_night_vision</use>
        </value>
      </uniform>
      <uniform>
        <name>use_IR_vision</name>
        <type>bool</type>
        <value>
          <use>use_IR_vision</use>
        </value>
      </uniform>
      <uniform>
        <name>use_filtering</name>
        <type>bool</type>
        <value>
          <use>use_filtering</use>
        </value>
      </uniform>
      <uniform>
        <name>delta_T</name>
        <type>float</type>
        <value>
          <use>delta_T</use>
        </value>
      </uniform>
      <uniform>
        <name>fact_grey</name>
        <type>float</type>
        <value>
          <use>fact_grey</use>
        </value>
      </uniform>
      <uniform>
        <name>fact_black</name>
        <type>float</type>
        <value>
          <use>fact_black</use>
        </value>
      </uniform>
      <!-- cloud shadows -->
      <uniform>
        <name>cloudpos1_x</name>
        <type>float</type>
        <value>
          <use>cloudpos1_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos1_y</name>
        <type>float</type>
        <value>
          <use>cloudpos1_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos2_x</name>
        <type>float</type>
        <value>
          <use>cloudpos2_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos2_y</name>
        <type>float</type>
        <value>
          <use>cloudpos2_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos3_x</name>
        <type>float</type>
        <value>
          <use>cloudpos3_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos3_y</name>
        <type>float</type>
        <value>
          <use>cloudpos3_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos4_x</name>
        <type>float</type>
        <value>
          <use>cloudpos4_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos4_y</name>
        <type>float</type>
        <value>
          <use>cloudpos4_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos5_x</name>
        <type>float</type>
        <value>
          <use>cloudpos5_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos5_y</name>
        <type>float</type>
        <value>
          <use>cloudpos5_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos6_x</name>
        <type>float</type>
        <value>
          <use>cloudpos6_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos6_y</name>
        <type>float</type>
        <value>
          <use>cloudpos6_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos7_x</name>
        <type>float</type>
        <value>
          <use>cloudpos7_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos7_y</name>
        <type>float</type>
        <value>
          <use>cloudpos7_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos8_x</name>
        <type>float</type>
        <value>
          <use>cloudpos8_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos8_y</name>
        <type>float</type>
        <value>
          <use>cloudpos8_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos9_x</name>
        <type>float</type>
        <value>
          <use>cloudpos9_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos9_y</name>
        <type>float</type>
        <value>
          <use>cloudpos9_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos10_x</name>
        <type>float</type>
        <value>
          <use>cloudpos10_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos10_y</name>
        <type>float</type>
        <value>
          <use>cloudpos10_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos11_x</name>
        <type>float</type>
        <value>
          <use>cloudpos11_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos11_y</name>
        <type>float</type>
        <value>
          <use>cloudpos11_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos12_x</name>
        <type>float</type>
        <value>
          <use>cloudpos12_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos12_y</name>
        <type>float</type>
        <value>
          <use>cloudpos12_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos13_x</name>
        <type>float</type>
        <value>
          <use>cloudpos13_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos13_y</name>
        <type>float</type>
        <value>
          <use>cloudpos13_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos14_x</name>
        <type>float</type>
        <value>
          <use>cloudpos14_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos14_y</name>
        <type>float</type>
        <value>
          <use>cloudpos14_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos15_x</name>
        <type>float</type>
        <value>
          <use>cloudpos15_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos15_y</name>
        <type>float</type>
        <value>
          <use>cloudpos15_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos16_x</name>
        <type>float</type>
        <value>
          <use>cloudpos16_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos16_y</name>
        <type>float</type>
        <value>
          <use>cloudpos16_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos17_x</name>
        <type>float</type>
        <value>
          <use>cloudpos17_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos17_y</name>
        <type>float</type>
        <value>
          <use>cloudpos17_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos18_x</name>
        <type>float</type>
        <value>
          <use>cloudpos18_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos18_y</name>
        <type>float</type>
        <value>
          <use>cloudpos18_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos19_x</name>
        <type>float</type>
        <value>
          <use>cloudpos19_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos19_y</name>
        <type>float</type>
        <value>
          <use>cloudpos19_y</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos20_x</name>
        <type>float</type>
        <value>
          <use>cloudpos20_x</use>
        </value>
      </uniform>
      <uniform>
        <name>cloudpos20_y</name>
        <type>float</type>
        <value>
          <use>cloudpos20_y</use>
        </value>
      </uniform>
      <uniform>
        <name>WindE</name>
        <type>float</type>
        <value>
          <use>windE</use>
        </value>
      </uniform>
      <uniform>
        <name>WindN</name>
        <type>float</type>
        <value>
          <use>windN</use>
        </value>
      </uniform>
      <uniform>
        <name>use_searchlight</name>
        <type>int</type>
        <value>
          <use>use_searchlight</use>
        </value>
      </uniform>
      <uniform>
        <name>use_landing_light</name>
        <type>int</type>
        <value>
          <use>use_landing_light</use>
        </value>
      </uniform>
      <uniform>
        <name>use_alt_landing_light</name>
        <type>int</type>
        <value>
          <use>use_alt_landing_light</use>
        </value>
      </uniform>
      <uniform>
        <name>display_xsize</name>
        <type>int</type>
        <value>
          <use>display_xsize</use>
        </value>
      </uniform>
      <uniform>
        <name>display_ysize</name>
        <type>int</type>
        <value>
          <use>display_ysize</use>
        </value>
      </uniform>
      <uniform>
        <name>wind_effects</name>
        <type>int</type>
        <value>
          <use>wind_effects</use>
        </value>
      </uniform>
      <uniform>
        <name>cloud_shadow_flag</name>
        <type>int</type>
        <value>
          <use>cloud_shadow_flag</use>
        </value>
      </uniform>
      <uniform>
        <name>rock_strata</name>
        <type>int</type>
        <value>
          <use>rock_strata</use>
        </value>
      </uniform>
      <uniform>
        <name>raise_vertex</name>
        <type>bool</type>
        <value>
          <use>raise_vertex</use>
        </value>
      </uniform>
      <uniform>
        <name>texture</name>
        <type>sampler-2d</type>
        <value type="int">0</value>
      </uniform>
      <uniform>
        <name>mix_texture</name>
        <type>sampler-2d</type>
        <value type="int">5</value>
      </uniform>
      <uniform>
        <name>detail_texture</name>
        <type>sampler-2d</type>
        <value type="int">7</value>
      </uniform>
      <uniform>
        <name>grain_texture</name>
        <type>sampler-2d</type>
        <value type="int">4</value>
      </uniform>
      <uniform>
        <name>dot_texture</name>
        <type>sampler-2d</type>
        <value type="int">3</value>
      </uniform>
      <uniform>
        <name>gradient_texture</name>
        <type>sampler-2d</type>
        <value type="int">2</value>
      </uniform>
      <uniform>
        <name>colorMode</name>
        <type>int</type>
        <value>2</value>
        <!-- AMBIENT_AND_DIFFUSE -->
      </uniform>
      <!-- BEGIN shadows include -->
      <uniform>
        <name>shadow_tex</name>
        <type>sampler-2d</type>
        <value type="int">10</value>
      </uniform>
      <uniform>
        <name>shadows_enabled</name>
        <type>bool</type>
        <value>
          <use>shadows_enabled</use>
        </value>
      </uniform>
      <uniform>
        <name>sun_atlas_size</name>
        <type>int</type>
        <value>
          <use>sun_atlas_size</use>
        </value>
      </uniform>
      <!-- END shadows include -->
      <depth>
        <function>lequal</function>
        <!--     <write-mask type="bool">false</write-mask> -->
      </depth>
    </pass>
  </technique>
  <technique n="18">
    <scheme>als-lighting</scheme>
    <predicate>
      <and>
        <or>
          <less-equal>
            <value type="float">4.0</value>
            <float-property>/sim/rendering/shaders/landmass</float-property>
          </less-equal>
          <less-equal>
            <value type="float">3.0</value>
            <float-property>/sim/rendering/shaders/transition</float-property>
          </less-equal>
        </or>
        <or>
          <less-equal>
            <value type="float">2.0</value>
            <glversion/>
          </less-equal>
          <and>
            <extension-supported>GL_ARB_shader_objects</extension-supported>
            <extension-supported>GL_ARB_shading_language_100</extension-supported>
            <extension-supported>GL_ARB_vertex_shader</extension-supported>
            <extension-supported>GL_ARB_fragment_shader</extension-supported>
          </and>
        </or>
      </and>
    </predicate>
    <!--
    <pass>
      <lighting>true</lighting>
      <material>
        <ambient><use>material/ambient</use></ambient>
        <diffuse><use>material/diffuse</use></diffuse>
        <specular><use>material/specular</use></specular>
        <emissive><use>material/emissive</use></emissive>
        <shininess><use>material/shininess</use></shininess>
        <color-mode>ambient-and-diffuse</color-mode>
      </material>
      <alpha-test><use>transparent</use></alpha-test>
      <shade-model>smooth</shade-model>
      <cull-face>back</cull-face>
      <render-bin>
        <bin-number>-1</bin-number>
        <bin-name>RenderBin</bin-name>
      </render-bin>
      <program>
        <vertex-shader>Shaders/Default/trivial.vert</vertex-shader>
        <fragment-shader>Shaders/Default/trivial.frag</fragment-shader>
      </program>
      <color-mask type="vec4d">0 0 0 0</color-mask>
    </pass> -->
    <pass>
      <lighting>true</lighting>
      <material>
        <ambient>
          <use>material/ambient</use>
        </ambient>
        <diffuse>
          <use>material/diffuse</use>
        </diffuse>
        <specular>
          <use>material/specular</use>
        </specular>
        <emissive>
          <use>material/emissive</use>
        </emissive>
        <shininess>
          <use>material/shininess</use>
        </shininess>
        <color-mode>ambient-and-diffuse</color-mode>
      </material>
      <blend>
        <use>transparent</use>
      </blend>
      <alpha-test>
        <use>transparent</use>
      </alpha-test>
      <shade-model>smooth</shade-model>
      <cull-face>back</cull-face>
      <render-bin>
        <bin-number>
          <use>render-bin/bin-number</use>
        </bin-number>
        <bin-name>
          <use>render-bin/bin-name</use>
        </bin-name>
      </render-bin>
      <texture-unit>
        <unit>0</unit>
        <type>
          <use>texture[0]/type</use>
        </type>
        <image>
          <use>texture[0]/image</use>
        </image>
        <filter>
          <use>texture[0]/filter</use>
        </filter>
        <wrap-s>
          <use>texture[0]/wrap-s</use>
        </wrap-s>
        <wrap-t>
          <use>texture[0]/wrap-t</use>
        </wrap-t>
        <internal-format>
          <use>texture[0]/internal-format</use>
        </internal-format>
      </texture-unit>
      <texture-unit>
        <unit>5</unit>
        <type>
          <use>texture[12]/type</use>
        </type>
        <image>
          <use>texture[12]/image</use>
        </image>
        <filter>
          <use>texture[12]/filter</use>
        </filter>
        <wrap-s>
          <use>texture[12]/wrap-s</use>
        </wrap-s>
        <wrap-t>
          <use>texture[12]/wrap-t</use>
        </wrap-t>
        <internal-format>
          <use>texture[12]/internal-format</use>
        </internal-format>
      </texture-unit>
      <texture-unit>
        <unit>7</unit>
        <type>
          <use>texture[11]/type</use>
        </type>
        <image>
          <use>texture[11]/image</use>
        </image>
        <filter>
          <use>texture[11]/filter</use>
        </filter>
        <wrap-s>
          <use>texture[11]/wrap-s</use>
        </wrap-s>
        <wrap-t>
          <use>texture[11]/wrap-t</use>
        </wrap-t>
        <internal-format>
          <use>texture[11]/internal-format</use>
        </internal-format>
      </texture-unit>
      <program>
        <vertex-shader>Shaders/ALS/terrain-detailed.vert</vertex-shader>
        <vertex-shader>Shaders/ALS/filters.vert</vertex-shader>
        <vertex-shader>Shaders/ALS/shadows-include.vert</vertex-shader>
        <fragment-shader>Shaders/ALS/terrain-detailed.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/noise.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/hazes.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/filters.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/shadows-include.frag</fragment-shader>
      </program>
      <uniform>
        <name>visibility</name>
        <type>float</type>
        <value>
          <use>visibility</use>
        </value>
      </uniform>
      <uniform>
        <name>avisibility</name>
        <type>float</type>
        <value>
          <use>avisibility</use>
        </value>
      </uniform>
      <uniform>
        <name>hazeLayerAltitude</name>
        <type>float</type>
        <value>
          <use>lthickness</use>
        </value>
      </uniform>
      <uniform>
        <name>scattering</name>
        <type>float</type>
        <value>
          <use>scattering</use>
        </value>
      </uniform>
      <uniform>
        <name>ground_scattering</name>
        <type>float</type>
        <value>
          <use>ground_scattering</use>
        </value>
      </uniform>
      <uniform>
        <name>terminator</name>
        <type>float</type>
        <value>
          <use>terminator</use>
        </value>
      </uniform>
      <uniform>
        <name>terrain_alt</name>
        <type>float</type>
        <value>
          <use>terrain_alt</use>
        </value>
      </uniform>
      <uniform>
        <name>overcast</name>
        <type>float</type>
        <value>
          <use>overcast</use>
        </value>
      </uniform>
      <uniform>
        <name>eye_alt</name>
        <type>float</type>
        <value>
          <use>eye_alt</use>
        </value>
      </uniform>
      <uniform>
        <name>transition_model</name>
        <type>float</type>
        <value>
          <use>transition_model</use>
        </value>
      </uniform>
      <uniform>
        <name>hires_overlay_bias</name>
        <type>float</type>
        <value>
          <use>hires_overlay_bias</use>
        </value>
      </uniform>
      <uniform>
        <name>snowlevel</name>
        <type>float</type>
        <value>
          <use>snow_level</use>
        </value>
      </uniform>
      <uniform>
        <name>snow_thickness_factor</name>
        <type>float</type>
        <value>
          <use>snow_thickness_factor</use>
        </value>
      </uniform>
      <uniform>
        <name>dust_cover_factor</name>
        <type>float</type>
        <value>
          <use>dust_cover_factor</use>
        </value>
      </uniform>
      <uniform>
        <name>lichen_cover_factor</name>
        <type>float</type>
        <value>
          <use>lichen_cover_factor</use>
        </value>
      </uniform>
      <uniform>
        <name>wetness</name>
        <type>float</type>
        <value>
          <use>wetness</use>
        </value>
      </uniform>
      <uniform>
        <name>fogstructure</name>
        <type>float</type>
        <value>
          <use>fogstructure</use>
        </value>
      </uniform>
      <uniform>
        <name>cloud_self_shading</name>
        <type>float</type>
        <value>
          <use>cloud_self_shading</use>
        </value>
      </uniform>
      <uniform>
        <name>air_pollution</name>
        <type>float</type>
        <value>
          <use>air_pollution</use>
        </value>
      </uniform>
      <uniform>
        <name>moonlight</name>
        <type>float</type>
        <value>
          <use>moonlight</use>
        </value>
      </uniform>
      <uniform>
        <name>season</name>
        <type>float</type>
        <value>
          <use>season</use>
        </value>
      </uniform>
      <!-- filtering -->
      <uniform>
        <name>gamma</name>
        <type>float</type>
        <value>
          <use>gamma</use>
        </value>
      </uniform>
      <uniform>
        <name>brightness</name>
        <type>float</type>
        <value>
          <use>brightness</use>
        </value>
      </uniform>
      <uniform>
        <name>use_night_vision</name>
        <type>bool</type>
        <value>
          <use>use_night_vision</use>
        </value>
      </uniform>
      <uniform>
        <name>use_IR_vision</name>
        <type>bool</type>
        <value>
          <use>use_IR_vision</use>
        </value>
      </uniform>
      <uniform>
        <name>use_filtering</name>
        <type>bool</type>
        <value>
          <use>use_filtering</use>
        </value>
      </uniform>
      <uniform>
        <name>delta_T</name>
        <type>float</type>
        <value>
          <use>delta_T</use>
        </value>
      </uniform>
      <uniform>
        <name>fact_grey</name>
        <type>float</type>
        <value>
          <use>fact_grey</use>
        </value>
      </uniform>
      <uniform>
        <name>fact_black</name>
        <type>float</type>
        <value>
          <use>fact_black</use>
        </value>
      </uniform>
      <uniform>
        <name>display_xsize</name>
        <type>int</type>
        <value>
          <use>display_xsize</use>
        </value>
      </uniform>
      <uniform>
        <name>display_ysize</name>
        <type>int</type>
        <value>
          <use>display_ysize</use>
        </value>
      </uniform>
      <uniform>
        <name>quality_level</name>
        <type>int</type>
        <value>
          <use>quality_level</use>
        </value>
      </uniform>
      <uniform>
        <name>tquality_level</name>
        <type>int</type>
        <value>
          <use>tquality_level</use>
        </value>
      </uniform>
      <uniform>
        <name>texture</name>
        <type>sampler-2d</type>
        <value type="int">0</value>
      </uniform>
      <uniform>
        <name>mix_texture</name>
        <type>sampler-2d</type>
        <value type="int">5</value>
      </uniform>
      <uniform>
        <name>detail_texture</name>
        <type>sampler-2d</type>
        <value type="int">7</value>
      </uniform>
      <uniform>
        <name>colorMode</name>
        <type>int</type>
        <value>2</value>
        <!-- AMBIENT_AND_DIFFUSE -->
      </uniform>
      <!-- BEGIN shadows include -->
      <uniform>
        <name>shadow_tex</name>
        <type>sampler-2d</type>
        <value type="int">10</value>
      </uniform>
      <uniform>
        <name>shadows_enabled</name>
        <type>bool</type>
        <value>
          <use>shadows_enabled</use>
        </value>
      </uniform>
      <uniform>
        <name>sun_atlas_size</name>
        <type>int</type>
        <value>
          <use>sun_atlas_size</use>
        </value>
      </uniform>
      <!-- END shadows include -->
      <depth>
        <function>lequal</function>
        <!--><write-mask type="bool">false</write-mask> -->
      </depth>
    </pass>
  </technique>
  <technique n="19">
    <scheme>als-lighting</scheme>
    <predicate>
      <and>
        <or>
          <less-equal>
            <value type="float">2.0</value>
            <glversion/>
          </less-equal>
          <and>
            <extension-supported>GL_ARB_shader_objects</extension-supported>
            <extension-supported>GL_ARB_shading_language_100</extension-supported>
            <extension-supported>GL_ARB_vertex_shader</extension-supported>
            <extension-supported>GL_ARB_fragment_shader</extension-supported>
          </and>
        </or>
      </and>
    </predicate>
    <!--
    <pass>
      <lighting>true</lighting>
      <material>
        <ambient><use>material/ambient</use></ambient>
        <diffuse><use>material/diffuse</use></diffuse>
        <specular><use>material/specular</use></specular>
        <emissive><use>material/emissive</use></emissive>
        <shininess><use>material/shininess</use></shininess>
        <color-mode>ambient-and-diffuse</color-mode>
      </material>
      <alpha-test><use>transparent</use></alpha-test>
      <shade-model>smooth</shade-model>
      <cull-face>back</cull-face>
      <render-bin>
        <bin-number>-1</bin-number>
        <bin-name>RenderBin</bin-name>
      </render-bin>
      <texture-unit>
        <unit>0</unit>
		<type><use>texture[0]/type</use></type>
        <image><use>texture[0]/image</use></image>
        <filter><use>texture[0]/filter</use></filter>
        <wrap-s><use>texture[0]/wrap-s</use></wrap-s>
        <wrap-t><use>texture[0]/wrap-t</use></wrap-t>
        <internal-format><use>texture[0]/internal-format</use></internal-format>
      </texture-unit>
      <program>
        <vertex-shader n="0">Shaders/Default/include_fog.vert</vertex-shader>
        <vertex-shader n="1">Shaders/Default/default.vert</vertex-shader>
        <fragment-shader n="0">Shaders/Default/include_fog.frag</fragment-shader>
        <fragment-shader n="1">Shaders/Default/terrain-nocolor.frag</fragment-shader>
      </program>
      <uniform>
        <name>texture</name>
        <type>sampler-2d</type>
        <value type="int">0</value>
      </uniform>
      <color-mask type="vec4d">0 0 0 0</color-mask>
    </pass> -->
    <pass>
      <lighting>true</lighting>
      <material>
        <ambient>
          <use>material/ambient</use>
        </ambient>
        <diffuse>
          <use>material/diffuse</use>
        </diffuse>
        <specular>
          <use>material/specular</use>
        </specular>
        <emissive>
          <use>material/emissive</use>
        </emissive>
        <shininess>
          <use>material/shininess</use>
        </shininess>
        <color-mode>ambient-and-diffuse</color-mode>
      </material>
      <blend>
        <use>transparent</use>
      </blend>
      <alpha-test>
        <use>transparent</use>
      </alpha-test>
      <shade-model>smooth</shade-model>
      <cull-face>back</cull-face>
      <render-bin>
        <bin-number>
          <use>render-bin/bin-number</use>
        </bin-number>
        <bin-name>
          <use>render-bin/bin-name</use>
        </bin-name>
      </render-bin>
      <texture-unit>
        <unit>0</unit>
        <image>
          <use>texture[0]/image</use>
        </image>
        <filter>
          <use>texture[0]/filter</use>
        </filter>
        <wrap-s>
          <use>texture[0]/wrap-s</use>
        </wrap-s>
        <wrap-t>
          <use>texture[0]/wrap-t</use>
        </wrap-t>
        <internal-format>
          <use>texture[0]/internal-format</use>
        </internal-format>
      </texture-unit>
      <program>
        <vertex-shader>Shaders/ALS/generic-base.vert</vertex-shader>
        <vertex-shader>Shaders/ALS/shadows-include.vert</vertex-shader>
        <fragment-shader>Shaders/ALS/terrain-base.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/hazes.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/noise.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/filters.frag</fragment-shader>
        <fragment-shader>Shaders/ALS/shadows-include.frag</fragment-shader>
      </program>
      <uniform>
        <name>visibility</name>
        <type>float</type>
        <value>
          <use>visibility</use>
        </value>
      </uniform>
      <uniform>
        <name>avisibility</name>
        <type>float</type>
        <value>
          <use>avisibility</use>
        </value>
      </uniform>
      <uniform>
        <name>hazeLayerAltitude</name>
        <type>float</type>
        <value>
          <use>lthickness</use>
        </value>
      </uniform>
      <uniform>
        <name>scattering</name>
        <type>float</type>
        <value>
          <use>scattering</use>
        </value>
      </uniform>
      <uniform>
        <name>ground_scattering</name>
        <type>float</type>
        <value>
          <use>ground_scattering</use>
        </value>
      </uniform>
      <uniform>
        <name>terminator</name>
        <type>float</type>
        <value>
          <use>terminator</use>
        </value>
      </uniform>
      <uniform>
        <name>terrain_alt</name>
        <type>float</type>
        <value>
          <use>terrain_alt</use>
        </value>
      </uniform>
      <uniform>
        <name>overcast</name>
        <type>float</type>
        <value>
          <use>overcast</use>
        </value>
      </uniform>
      <uniform>
        <name>eye_alt</name>
        <type>float</type>
        <value>
          <use>eye_alt</use>
        </value>
      </uniform>
      <uniform>
        <name>cloud_self_shading</name>
        <type>float</type>
        <value>
          <use>cloud_self_shading</use>
        </value>
      </uniform>
      <uniform>
        <name>moonlight</name>
        <type>float</type>
        <value>
          <use>moonlight</use>
        </value>
      </uniform>
      <uniform>
        <name>air_pollution</name>
        <type>float</type>
        <value>
          <use>air_pollution</use>
        </value>
      </uniform>
      <!-- filtering -->
      <uniform>
        <name>gamma</name>
        <type>float</type>
        <value>
          <use>gamma</use>
        </value>
      </uniform>
      <uniform>
        <name>brightness</name>
        <type>float</type>
        <value>
          <use>brightness</use>
        </value>
      </uniform>
      <uniform>
        <name>use_night_vision</name>
        <type>bool</type>
        <value>
          <use>use_night_vision</use>
        </value>
      </uniform>
      <uniform>
        <name>use_IR_vision</name>
        <type>bool</type>
        <value>
          <use>use_IR_vision</use>
        </value>
      </uniform>
      <uniform>
        <name>use_filtering</name>
        <type>bool</type>
        <value>
          <use>use_filtering</use>
        </value>
      </uniform>
      <uniform>
        <name>delta_T</name>
        <type>float</type>
        <value>
          <use>delta_T</use>
        </value>
      </uniform>
      <uniform>
        <name>fact_grey</name>
        <type>float</type>
        <value>
          <use>fact_grey</use>
        </value>
      </uniform>
      <uniform>
        <name>fact_black</name>
        <type>float</type>
        <value>
          <use>fact_black</use>
        </value>
      </uniform>
      <uniform>
        <name>display_xsize</name>
        <type>int</type>
        <value>
          <use>display_xsize</use>
        </value>
      </uniform>
      <uniform>
        <name>display_ysize</name>
        <type>int</type>
        <value>
          <use>display_ysize</use>
        </value>
      </uniform>
      <uniform>
        <name>texture</name>
        <type>sampler-2d</type>
        <value type="int">0</value>
      </uniform>
      <uniform>
        <name>colorMode</name>
        <type>int</type>
        <value>2</value>
        <!-- AMBIENT_AND_DIFFUSE -->
      </uniform>
      <!-- BEGIN shadows include -->
      <uniform>
        <name>shadow_tex</name>
        <type>sampler-2d</type>
        <value type="int">10</value>
      </uniform>
      <uniform>
        <name>shadows_enabled</name>
        <type>bool</type>
        <value>
          <use>shadows_enabled</use>
        </value>
      </uniform>
      <uniform>
        <name>sun_atlas_size</name>
        <type>int</type>
        <value>
          <use>sun_atlas_size</use>
        </value>
      </uniform>
      <!-- END shadows include -->
      <depth>
        <function>lequal</function>
        <!--        <write-mask type="bool">false</write-mask>  -->
      </depth>
    </pass>
  </technique>
</PropertyList>