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fgdata/Effects/cloud.eff
Fernando García Liñán c4d19877cf HDR: Significant update 
- New atmosphering rendering technique based on my own work.
- Attempt to fix some remaining transparency issues.
- Use a luminance histogram for auto exposure.
- Add support for clustered shading.
- Add WS 2.0 shaders.
- Add 3D cloud shaders.
- Add orthoscenery support.
2023-04-06 00:18:29 +02:00

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<?xml version="1.0" encoding="utf-8"?>
<PropertyList>
<name>Effects/cloud</name>
<parameters>
<texture n ="0">
</texture>
<range><use>/sim/rendering/clouds3d-vis-range</use></range>
<detail><use>/sim/rendering/clouds3d-detail-range</use></detail>
<scattering><use>/rendering/scene/scattering</use></scattering>
<terminator><use>/environment/terminator-relative-position-m</use></terminator>
<altitude><use>/sim/rendering/eye-altitude-m</use></altitude>
<cloud_self_shading><use>/environment/cloud-self-shading</use></cloud_self_shading>
<moonlight><use>/environment/moonlight</use></moonlight>
<air_pollution><use>/environment/air-pollution-norm</use></air_pollution>
<visibility><use>/environment/visibility-m</use></visibility>
<flash><use>/environment/lightning/flash</use></flash>
<lightning-pos-x><use>/environment/lightning/lightning-pos-x</use></lightning-pos-x>
<lightning-pos-y><use>/environment/lightning/lightning-pos-y</use></lightning-pos-y>
<lightning-range><use>/environment/lightning/lightning-range</use></lightning-range>
<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>
<delta_T><use>/environment/surface/delta-T-cloud</use></delta_T>
<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>
<display_xsize><use>/sim/startup/xsize</use></display_xsize>
<display_ysize><use>/sim/startup/ysize</use></display_ysize>
</parameters>
<technique n="8">
<predicate>
<and>
<property>/sim/rendering/shaders/skydome</property>
<less-equal>
<value type="float">1.0</value>
<shader-language/>
</less-equal>
<less-equal>
<value type="float">1.0</value>
<float-property>/sim/rendering/shaders/clouds</float-property>
</less-equal>
</and>
</predicate>
<pass n="0">
<!-- This is apparently not used, so maybe we'll blow it way soon. -->
<lighting>true</lighting>
<material>
<ambient type="vec4d">0.5 0.5 0.5 1.0</ambient>
<diffuse type="vec4d">0.5 0.5 0.5 1.0</diffuse>
<color-mode>off</color-mode>
</material>
<alpha-test>
<comparison>greater</comparison>
<reference type="float">0.01</reference>
</alpha-test>
<shade-model>smooth</shade-model>
<blend>
<source>src-alpha</source>
<destination>one-minus-src-alpha</destination>
</blend>
<depth>
<write-mask>false</write-mask>
</depth>
<render-bin>
<bin-number>10</bin-number>
<bin-name>DepthSortedBin</bin-name>
</render-bin>
<texture-unit>
<unit>0</unit>
<type>2d</type>
<image><use>texture[0]/image</use></image>
<wrap-s>clamp</wrap-s>
<wrap-t>clamp</wrap-t>
</texture-unit>
<program>
<vertex-shader>Shaders/3dcloud-ALS-detailed.vert</vertex-shader>
<fragment-shader>Shaders/3dcloud-ALS-detailed.frag</fragment-shader>
<fragment-shader>Shaders/filters-ALS.frag</fragment-shader>
<fragment-shader>Shaders/noise.frag</fragment-shader>
<attribute>
<name>usrAttr1</name>
<index>10</index>
</attribute>
<attribute>
<name>usrAttr2</name>
<index>11</index>
</attribute>
</program>
<uniform>
<name>baseTexture</name>
<type>sampler-2d</type>
<value type="int">0</value>
</uniform>
<uniform>
<name>range</name>
<type>float</type>
<value><use>range</use></value>
</uniform>
<uniform>
<name>detail_range</name>
<type>float</type>
<value><use>detail</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>altitude</name>
<type>float</type>
<value><use>altitude</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>
<uniform>
<name>visibility</name>
<type>float</type>
<value><use>visibility</use></value>
</uniform>
<uniform>
<name>flash</name>
<type>float</type>
<value><use>flash</use></value>
</uniform>
<uniform>
<name>lightning_pos_x</name>
<type>float</type>
<value><use>lightning-pos-x</use></value>
</uniform>
<uniform>
<name>lightning_pos_y</name>
<type>float</type>
<value><use>lightning-pos-y</use></value>
</uniform>
<uniform>
<name>lightning_range</name>
<type>float</type>
<value><use>lightning-range</use></value>
</uniform>
<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_filtering</name>
<type>bool</type>
<value><use>use_filtering</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>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>
<!--<vertex-program-two-side>true</vertex-program-two-side>-->
</pass>
</technique>
<technique n="9">
<predicate>
<and>
<property>/sim/rendering/shaders/skydome</property>
<less-equal>
<value type="float">1.0</value>
<shader-language/>
</less-equal>
</and>
</predicate>
<pass n="0">
<!-- This is apparently not used, so maybe we'll blow it way soon. -->
<lighting>true</lighting>
<material>
<ambient type="vec4d">0.5 0.5 0.5 1.0</ambient>
<diffuse type="vec4d">0.5 0.5 0.5 1.0</diffuse>
<color-mode>off</color-mode>
</material>
<alpha-test>
<comparison>greater</comparison>
<reference type="float">0.01</reference>
</alpha-test>
<shade-model>smooth</shade-model>
<blend>
<source>src-alpha</source>
<destination>one-minus-src-alpha</destination>
</blend>
<depth>
<write-mask>false</write-mask>
</depth>
<render-bin>
<bin-number>10</bin-number>
<bin-name>DepthSortedBin</bin-name>
</render-bin>
<texture-unit>
<unit>0</unit>
<type>2d</type>
<image><use>texture[0]/image</use></image>
<wrap-s>clamp</wrap-s>
<wrap-t>clamp</wrap-t>
</texture-unit>
<program>
<vertex-shader>Shaders/3dcloud-ALS.vert</vertex-shader>
<vertex-shader>Shaders/filters-ALS.vert</vertex-shader>
<fragment-shader>Shaders/3dcloud-ALS.frag</fragment-shader>
<fragment-shader>Shaders/filters-ALS.frag</fragment-shader>
<fragment-shader>Shaders/noise.frag</fragment-shader>
<attribute>
<name>usrAttr1</name>
<index>10</index>
</attribute>
<attribute>
<name>usrAttr2</name>
<index>11</index>
</attribute>
</program>
<uniform>
<name>baseTexture</name>
<type>sampler-2d</type>
<value type="int">0</value>
</uniform>
<uniform>
<name>range</name>
<type>float</type>
<value><use>range</use></value>
</uniform>
<uniform>
<name>detail_range</name>
<type>float</type>
<value><use>detail</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>altitude</name>
<type>float</type>
<value><use>altitude</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>
<uniform>
<name>visibility</name>
<type>float</type>
<value><use>visibility</use></value>
</uniform>
<uniform>
<name>flash</name>
<type>float</type>
<value><use>flash</use></value>
</uniform>
<uniform>
<name>lightning_pos_x</name>
<type>float</type>
<value><use>lightning-pos-x</use></value>
</uniform>
<uniform>
<name>lightning_pos_y</name>
<type>float</type>
<value><use>lightning-pos-y</use></value>
</uniform>
<uniform>
<name>lightning_range</name>
<type>float</type>
<value><use>lightning-range</use></value>
</uniform>
<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_filtering</name>
<type>bool</type>
<value><use>use_filtering</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>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>
<!--<vertex-program-two-side>true</vertex-program-two-side>-->
</pass>
</technique>
<technique n="10">
<predicate>
<less-equal>
<value type="float">1.0</value>
<shader-language/>
</less-equal>
</predicate>
<pass n="0">
<!-- This is apparently not used, so maybe we'll blow it way soon. -->
<lighting>true</lighting>
<material>
<ambient type="vec4d">0.5 0.5 0.5 1.0</ambient>
<diffuse type="vec4d">0.5 0.5 0.5 1.0</diffuse>
<color-mode>off</color-mode>
</material>
<alpha-test>
<comparison>greater</comparison>
<reference type="float">0.01</reference>
</alpha-test>
<shade-model>smooth</shade-model>
<blend>
<source>src-alpha</source>
<destination>one-minus-src-alpha</destination>
</blend>
<depth>
<write-mask>false</write-mask>
</depth>
<render-bin>
<bin-number>10</bin-number>
<bin-name>DepthSortedBin</bin-name>
</render-bin>
<texture-unit>
<unit>0</unit>
<type>2d</type>
<image><use>texture[0]/image</use></image>
<wrap-s>clamp</wrap-s>
<wrap-t>clamp</wrap-t>
</texture-unit>
<program>
<vertex-shader>Shaders/3dcloud.vert</vertex-shader>
<fragment-shader>Shaders/3dcloud.frag</fragment-shader>
<attribute>
<name>usrAttr1</name>
<index>10</index>
</attribute>
<attribute>
<name>usrAttr2</name>
<index>11</index>
</attribute>
</program>
<uniform>
<name>baseTexture</name>
<type>sampler-2d</type>
<value type="int">0</value>
</uniform>
<uniform>
<name>range</name>
<type>float</type>
<value><use>range</use></value>
</uniform>
<uniform>
<name>detail_range</name>
<type>float</type>
<value><use>detail</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>altitude</name>
<type>float</type>
<value><use>altitude</use></value>
</uniform>
<!--<vertex-program-two-side>true</vertex-program-two-side>-->
</pass>
</technique>
<technique n="109">
<scheme>hdr-geometry</scheme>
</technique>
<technique n="129">
<scheme>hdr-forward</scheme>
<pass>
<!-- Reverse floating point depth buffer -->
<depth>
<function>gequal</function>
<near>1.0</near>
<far>0.0</far>
<write-mask>false</write-mask>
</depth>
<texture-unit>
<unit>0</unit>
<type>2d</type>
<image><use>texture[0]/image</use></image>
<wrap-s>clamp-to-border</wrap-s>
<wrap-t>clamp-to-border</wrap-t>
</texture-unit>
<blend>1</blend>
<rendering-hint>transparent</rendering-hint>
<program>
<vertex-shader>Shaders/HDR/3dcloud.vert</vertex-shader>
<vertex-shader>Shaders/HDR/aerial-perspective-include.frag</vertex-shader>
<fragment-shader>Shaders/HDR/3dcloud.frag</fragment-shader>
<attribute>
<name>usrAttr1</name>
<index>10</index>
</attribute>
<attribute>
<name>usrAttr2</name>
<index>11</index>
</attribute>
</program>
<uniform>
<name>baseTexture</name>
<type>sampler-2d</type>
<value type="int">0</value>
</uniform>
<uniform>
<name>range</name>
<type>float</type>
<value><use>range</use></value>
</uniform>
<uniform>
<name>detail_range</name>
<type>float</type>
<value><use>detail</use></value>
</uniform>
<!-- Aerial perspective include -->
<uniform>
<name>aerial_perspective_lut</name>
<type>sampler-2d</type>
<value type="int">11</value>
</uniform>
<uniform>
<name>transmittance_lut</name>
<type>sampler-2d</type>
<value type="int">12</value>
</uniform>
</pass>
</technique>
</PropertyList>
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