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fgdata/Effects/ws30.eff
Stuart Buchanan 0bce3c966f WS30: landclass and texture lookups in fragment shader 
commit e131ffaca7b2c934474f0e447b5852cb4c7c8d4a
Author: vs <vs2009@mail.com>
Date:   Fri Oct 15 22:19:42 2021 +1000

    WS30: landclass and texture lookups in fragment shader:

    Changelog:

    - Testing: Procedural random landclass function, get_random_landclass(). 1). Avoids a texture lookup for   profiling. 2). Creates squares of configurable size with controllable random landclass ranges - to test   landclass transition algorithms and quickly profile lots of landclasses in view. It's also possible to put   pressure on GPU memory even with 1 lookup of ground textures per fragment, by reducing size to <20m and   viewing from altitude.

    - Add ALS ultra technique as no 5, move existing ALS technique to no. 6. Add WS30-ALS-ultra frag & vert in   preparation for eventual ALS ultra port. Change comments/variables to match using a texture array instead   of atlas. Sampler name: atlas -> textureArray.

    - Testing/optimisation of de-tiling: WS30-ALS.frag: reorder perlin detiling to make noise source easier to   switch. WS30-ALS-ultra.frag: Create alternative to perlin noise used for reducing tiling that avoids a   texture lookup - to profile and optimise. This is commented out. The performance difference in the final  version depends on memory pressure versus arithmetic load of the full shader. It varies by GPU and what's  in view. In future, once a full ALS  port is done, maybe it'll be more efficient to run a higher quality  de-tiling algorithm all the time to avoid branching overhead due to effects like agriculture which need  more de-tiling. De-tiling code in shaders should /eventually/ match CPU-side de-tiling of texture masks  used for object and vegetation placement. De-tiling code in GPUs might be subject to precision and  numerical artifacts, and if so maybe the texture lookup version would work better. The same applies to  noise used for rendering WS3 water waves and collision queries. One option is to use exactly the same glsl  code, with a C++ header to convert glsl syntax e.g. https://github.com/g-truc/glm .
2021-10-21 21:31:03 +01:00

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<?xml version='1.0' encoding='UTF-8'?>
<!-- World Scenery 3.0 Effect -->
<PropertyList>
<name>Effects/ws30</name>
<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="6">
<image>Textures/perlin.png</image>
<type>2d</type>
<filter>nearest</filter>
<wrap-s>repeat</wrap-s>
<wrap-t>repeat</wrap-t>
<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>
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<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>
<!--
<tile_width><use>/sim/rendering/texture-factor</use></tile_width>
-->
<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>
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<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>
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<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. -->
<!-- ALS ultra shaders -->
<technique n="5">
<predicate>
<and>
<property>/sim/rendering/shaders/skydome</property>
<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>
<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 0 direct from VPBBuilder.cxx -->
<texture-unit>
<unit>1</unit>
<image><use>texture[1]/image</use></image>
<filter>nearest-mipmap-nearest</filter>
<mag-filter>nearest-mipmap-nearest</mag-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[2]/image</use></image>
<filter><use>texture[2]/filter</use></filter>
<wrap-s><use>texture[2]/wrap-s</use></wrap-s>
<wrap-t><use>texture[2]/wrap-t</use></wrap-t>
<internal-format><use>texture[2]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>3</unit>
<image><use>texture[3]/image</use></image>
<filter><use>texture[3]/filter</use></filter>
<wrap-s><use>texture[3]/wrap-s</use></wrap-s>
<wrap-t><use>texture[3]/wrap-t</use></wrap-t>
<internal-format><use>texture[3]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>4</unit>
<image><use>texture[4]/image</use></image>
<filter><use>texture[4]/filter</use></filter>
<wrap-s><use>texture[4]/wrap-s</use></wrap-s>
<wrap-t><use>texture[4]/wrap-t</use></wrap-t>
<internal-format><use>texture[4]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>6</unit>
<image><use>texture[6]/image</use></image>
<filter><use>texture[6]/filter</use></filter>
<wrap-s><use>texture[6]/wrap-s</use></wrap-s>
<wrap-t><use>texture[6]/wrap-t</use></wrap-t>
<internal-format><use>texture[6]/internal-format</use></internal-format>
</texture-unit>
<program>
<vertex-shader>Shaders/ws30-ALS-ultra.vert</vertex-shader>
<vertex-shader>Shaders/filters-ALS.vert</vertex-shader>
<vertex-shader>Shaders/shadows-include.vert</vertex-shader>
<fragment-shader>Shaders/ws30-ALS-ultra.frag</fragment-shader>
<fragment-shader>Shaders/noise.frag</fragment-shader>
<fragment-shader>Shaders/cloud-shadowfunc.frag</fragment-shader>
<fragment-shader>Shaders/hazes.frag</fragment-shader>
<fragment-shader>Shaders/secondary_lights.frag</fragment-shader>
<fragment-shader>Shaders/filters-ALS.frag</fragment-shader>
<fragment-shader>Shaders/shadows-include.frag</fragment-shader>
<fragment-shader>Shaders/clustered-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>landclass</name>
<type>sampler-2d</type>
<value type="int">0</value>
</uniform>
<uniform>
<name>textureArray</name>
<type>sampler-2d</type>
<value type="int">1</value>
</uniform>
<uniform>
<name>dimensionsArray</name>
<type>sampler-1d</type>
<value type="int">2</value>
</uniform>
<uniform>
<name>diffuseArray</name>
<type>sampler-1d</type>
<value type="int">3</value>
</uniform>
<uniform>
<name>specularArray</name>
<type>sampler-1d</type>
<value type="int">4</value>
</uniform>
<uniform>
<name>perlin</name>
<type>sampler-2d</type>
<value type="int">6</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 -->
</pass>
</technique>
<technique n="6">
<predicate>
<and>
<property>/sim/rendering/shaders/skydome</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>
<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 0 direct from VPBBuilder.cxx -->
<texture-unit>
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<image><use>texture[1]/image</use></image>
<filter>nearest-mipmap-nearest</filter>
<mag-filter>nearest-mipmap-nearest</mag-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[2]/image</use></image>
<filter><use>texture[2]/filter</use></filter>
<wrap-s><use>texture[2]/wrap-s</use></wrap-s>
<wrap-t><use>texture[2]/wrap-t</use></wrap-t>
<internal-format><use>texture[2]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>3</unit>
<image><use>texture[3]/image</use></image>
<filter><use>texture[3]/filter</use></filter>
<wrap-s><use>texture[3]/wrap-s</use></wrap-s>
<wrap-t><use>texture[3]/wrap-t</use></wrap-t>
<internal-format><use>texture[3]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>4</unit>
<image><use>texture[4]/image</use></image>
<filter><use>texture[4]/filter</use></filter>
<wrap-s><use>texture[4]/wrap-s</use></wrap-s>
<wrap-t><use>texture[4]/wrap-t</use></wrap-t>
<internal-format><use>texture[4]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>6</unit>
<image><use>texture[6]/image</use></image>
<filter><use>texture[6]/filter</use></filter>
<wrap-s><use>texture[6]/wrap-s</use></wrap-s>
<wrap-t><use>texture[6]/wrap-t</use></wrap-t>
<internal-format><use>texture[6]/internal-format</use></internal-format>
</texture-unit>
<program>
<vertex-shader>Shaders/ws30-ALS.vert</vertex-shader>
<vertex-shader>Shaders/shadows-include.vert</vertex-shader>
<fragment-shader>Shaders/ws30-ALS.frag</fragment-shader>
<fragment-shader>Shaders/hazes.frag</fragment-shader>
<fragment-shader>Shaders/noise.frag</fragment-shader>
<fragment-shader>Shaders/filters-ALS.frag</fragment-shader>
<fragment-shader>Shaders/shadows-include.frag</fragment-shader>
<fragment-shader>Shaders/clustered-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>landclass</name>
<type>sampler-2d</type>
<value type="int">0</value>
</uniform>
<uniform>
<name>textureArray</name>
<type>sampler-2d</type>
<value type="int">1</value>
</uniform>
<uniform>
<name>dimensionsArray</name>
<type>sampler-1d</type>
<value type="int">2</value>
</uniform>
<uniform>
<name>diffuseArray</name>
<type>sampler-1d</type>
<value type="int">3</value>
</uniform>
<uniform>
<name>specularArray</name>
<type>sampler-1d</type>
<value type="int">4</value>
</uniform>
<uniform>
<name>perlin</name>
<type>sampler-2d</type>
<value type="int">6</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 -->
</pass>
</technique>
<!-- Non-ALS technique with texture rotation -->
<technique n="11">
<predicate>
<and>
<property>/sim/rendering/shaders/quality-level</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>
<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 0 direct from VPBBuilder.cxx -->
<texture-unit>
<unit>1</unit>
<image><use>texture[1]/image</use></image>
<filter>nearest-mipmap-nearest</filter>
<mag-filter>nearest-mipmap-nearest</mag-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[2]/image</use></image>
<filter><use>texture[2]/filter</use></filter>
<wrap-s><use>texture[2]/wrap-s</use></wrap-s>
<wrap-t><use>texture[2]/wrap-t</use></wrap-t>
<internal-format><use>texture[2]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>3</unit>
<image><use>texture[3]/image</use></image>
<filter><use>texture[3]/filter</use></filter>
<wrap-s><use>texture[3]/wrap-s</use></wrap-s>
<wrap-t><use>texture[3]/wrap-t</use></wrap-t>
<internal-format><use>texture[3]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>4</unit>
<image><use>texture[4]/image</use></image>
<filter><use>texture[4]/filter</use></filter>
<wrap-s><use>texture[4]/wrap-s</use></wrap-s>
<wrap-t><use>texture[4]/wrap-t</use></wrap-t>
<internal-format><use>texture[4]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>6</unit>
<image><use>texture[6]/image</use></image>
<filter><use>texture[6]/filter</use></filter>
<wrap-s><use>texture[6]/wrap-s</use></wrap-s>
<wrap-t><use>texture[6]/wrap-t</use></wrap-t>
<internal-format><use>texture[6]/internal-format</use></internal-format>
</texture-unit>
<program>
<vertex-shader>Shaders/ws30.vert</vertex-shader>
<fragment-shader n="0">Shaders/include_fog.frag</fragment-shader>
<fragment-shader n="1">Shaders/ws30-q1.frag</fragment-shader>
</program>
<uniform>
<name>landclass</name>
<type>sampler-2d</type>
<value type="int">0</value>
</uniform>
<uniform>
<name>atlas</name>
<type>sampler-2d</type>
<value type="int">1</value>
</uniform>
<uniform>
<name>dimensionsArray</name>
<type>sampler-1d</type>
<value type="int">2</value>
</uniform>
<uniform>
<name>diffuseArray</name>
<type>sampler-1d</type>
<value type="int">3</value>
</uniform>
<uniform>
<name>specularArray</name>
<type>sampler-1d</type>
<value type="int">4</value>
</uniform>
<uniform>
<name>perlin</name>
<type>sampler-2d</type>
<value type="int">6</value>
</uniform>
</pass>
</technique>
<!-- Minimal technique -->
<technique n="12">
<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 0 direct from VPBBuilder.cxx -->
<texture-unit>
<unit>1</unit>
<image><use>texture[1]/image</use></image>
<filter>nearest-mipmap-nearest</filter>
<mag-filter>nearest-mipmap-nearest</mag-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[2]/image</use></image>
<filter><use>texture[2]/filter</use></filter>
<wrap-s><use>texture[2]/wrap-s</use></wrap-s>
<wrap-t><use>texture[2]/wrap-t</use></wrap-t>
<internal-format><use>texture[2]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>3</unit>
<image><use>texture[3]/image</use></image>
<filter><use>texture[3]/filter</use></filter>
<wrap-s><use>texture[3]/wrap-s</use></wrap-s>
<wrap-t><use>texture[3]/wrap-t</use></wrap-t>
<internal-format><use>texture[3]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>4</unit>
<image><use>texture[4]/image</use></image>
<filter><use>texture[4]/filter</use></filter>
<wrap-s><use>texture[4]/wrap-s</use></wrap-s>
<wrap-t><use>texture[4]/wrap-t</use></wrap-t>
<internal-format><use>texture[4]/internal-format</use></internal-format>
</texture-unit>
<program>
<vertex-shader>Shaders/ws30.vert</vertex-shader>
<fragment-shader n="0">Shaders/include_fog.frag</fragment-shader>
<fragment-shader n="1">Shaders/ws30.frag</fragment-shader>
</program>
<uniform>
<name>landclass</name>
<type>sampler-2d</type>
<value type="int">0</value>
</uniform>
<uniform>
<name>atlas</name>
<type>sampler-2d</type>
<value type="int">1</value>
</uniform>
<uniform>
<name>dimensionsArray</name>
<type>sampler-1d</type>
<value type="int">2</value>
</uniform>
<uniform>
<name>diffuseArray</name>
<type>sampler-1d</type>
<value type="int">3</value>
</uniform>
<uniform>
<name>specularArray</name>
<type>sampler-1d</type>
<value type="int">4</value>
</uniform>
</pass>
</technique>
<technique n="109">
<scheme>hdr-geometry</scheme>
<pass>
<!-- Reverse floating point depth buffer -->
<depth>
<function>gequal</function>
<near>1.0</near>
<far>0.0</far>
</depth>
<stencil>
<function>always</function>
<value>9</value>
<pass>replace</pass>
</stencil>
<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 0 direct from VPBBuilder.cxx -->
<texture-unit>
<unit>1</unit>
<image><use>texture[1]/image</use></image>
<filter>nearest-mipmap-nearest</filter>
<mag-filter>nearest-mipmap-nearest</mag-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[2]/image</use></image>
<filter><use>texture[2]/filter</use></filter>
<wrap-s><use>texture[2]/wrap-s</use></wrap-s>
<wrap-t><use>texture[2]/wrap-t</use></wrap-t>
<internal-format><use>texture[2]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>3</unit>
<image><use>texture[3]/image</use></image>
<filter><use>texture[3]/filter</use></filter>
<wrap-s><use>texture[3]/wrap-s</use></wrap-s>
<wrap-t><use>texture[3]/wrap-t</use></wrap-t>
<internal-format><use>texture[3]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>4</unit>
<image><use>texture[4]/image</use></image>
<filter><use>texture[4]/filter</use></filter>
<wrap-s><use>texture[4]/wrap-s</use></wrap-s>
<wrap-t><use>texture[4]/wrap-t</use></wrap-t>
<internal-format><use>texture[4]/internal-format</use></internal-format>
</texture-unit>
<texture-unit>
<unit>6</unit>
<image><use>texture[6]/image</use></image>
<filter><use>texture[6]/filter</use></filter>
<wrap-s><use>texture[6]/wrap-s</use></wrap-s>
<wrap-t><use>texture[6]/wrap-t</use></wrap-t>
<internal-format><use>texture[6]/internal-format</use></internal-format>
</texture-unit>
<program>
<vertex-shader>Shaders/HDR/geometry.vert</vertex-shader>
<fragment-shader>Shaders/HDR/ws30.frag</fragment-shader>
<fragment-shader>Shaders/HDR/gbuffer-include.frag</fragment-shader>
</program>
<uniform>
<name>landclass</name>
<type>sampler-2d</type>
<value type="int">0</value>
</uniform>
<uniform>
<name>atlas</name>
<type>sampler-2d</type>
<value type="int">1</value>
</uniform>
<uniform>
<name>dimensionsArray</name>
<type>sampler-1d</type>
<value type="int">2</value>
</uniform>
<uniform>
<name>diffuseArray</name>
<type>sampler-1d</type>
<value type="int">3</value>
</uniform>
<uniform>
<name>specularArray</name>
<type>sampler-1d</type>
<value type="int">4</value>
</uniform>
<uniform>
<name>perlin</name>
<type>sampler-2d</type>
<value type="int">6</value>
</uniform>
</pass>
</technique>
</PropertyList>
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