Improved Random building texturesa - Gabo Huerta
Improved textures, lightmaps from Gabo Huerta. Improved interaction with the urban shader from Thorsten Renk.
This commit is contained in:
Stuart Buchanan
parent
2b6964911f
commit
b2f261ea0a
6 changed files with 110 additions and 81 deletions
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@ -7,11 +7,13 @@
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<use>/environment/snow-level-m</use>
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</snow-level>
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<depth-factor type="float">0.008</depth-factor>
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<night-color type="vec3d">0.75 0.59 0.05</night-color>
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<night-color type="vec3d">1 1 0.50</night-color>
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<random-buildings type="bool">
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<use>/sim/rendering/random-buildings</use>
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</random-buildings>
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<quality-level>
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<use>/sim/rendering/shaders/urban</use>
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</quality-level>
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<!--fog include-->
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<visibility>
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<use>/environment/ground-visibility-m</use>
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@ -32,7 +34,6 @@
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<use>/sim/rendering/shaders/skydome</use>
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</fogtype>
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<!-- END fog include -->
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</parameters>
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<generate>
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<normal type="int">15</normal>
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@ -41,8 +42,6 @@
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</generate>
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<technique n="1">
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<predicate>
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<and>
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@ -52,10 +51,6 @@
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<value type="float">4.0</value>
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<float-property>/sim/rendering/shaders/urban</float-property>
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</less-equal>
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<equal>
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<property>/sim/rendering/random-buildings</property>
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<value type="bool">false</value>
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</equal>
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<or>
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<less-equal>
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<value type="float">2.0</value>
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@ -111,7 +106,7 @@
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<use>texture[0]/image</use>
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</image>
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<type>
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<use>texture[0]/type</use>
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<use>texture[0]/type</use>
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</type>
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<filter>
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<use>texture[0]/filter</use>
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@ -132,7 +127,7 @@
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<use>texture[2]/image</use>
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</image>
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<type>
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<use>texture[2]/type</use>
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<use>texture[2]/type</use>
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</type>
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<filter>
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<use>texture[2]/filter</use>
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@ -153,7 +148,7 @@
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<use>texture[2]/image</use>
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</image>
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<type>
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<use>texture[2]/type</use>
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<use>texture[2]/type</use>
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</type>
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<filter>nearest-mipmap-nearest</filter>
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<wrap-s>
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@ -178,7 +173,7 @@
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</texture-unit>
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<program>
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<vertex-shader>Shaders/urban-lightfield.vert</vertex-shader>
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<fragment-shader>Shaders/urban-lightfield.frag</fragment-shader>
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<attribute>
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<name>tangent</name>
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@ -255,6 +250,13 @@
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<use>max-lod-level</use>
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</value>
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</uniform>
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<uniform>
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<name>random_buildings</name>
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<type>bool</type>
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<value type="bool">
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<use>random-buildings</use>
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</value>
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</uniform>
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<!-- BEGIN fog include -->
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<uniform>
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<name>visibility</name>
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@ -341,7 +343,7 @@
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<type>float</type>
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<value><use>moonlight</use></value>
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</uniform>
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<!-- END fog include -->
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</pass>
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</technique>
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@ -356,10 +358,6 @@
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<value type="float">1.0</value>
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<float-property>/sim/rendering/shaders/urban</float-property>
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</less-equal>
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<equal>
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<property>/sim/rendering/random-buildings</property>
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<value type="bool">false</value>
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</equal>
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<or>
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<less-equal>
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<value type="float">2.0</value>
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@ -411,7 +409,7 @@
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<use>texture[0]/image</use>
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</image>
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<type>
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<use>texture[0]/type</use>
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<use>texture[0]/type</use>
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</type>
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<filter>
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<use>texture[0]/filter</use>
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@ -432,7 +430,7 @@
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<use>texture[2]/image</use>
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</image>
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<type>
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<use>texture[2]/type</use>
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<use>texture[2]/type</use>
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</type>
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<filter>
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<use>texture[2]/filter</use>
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@ -544,8 +542,7 @@
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<name>fogstructure</name>
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<type>float</type>
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<value><use>fogstructure</use></value>
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</uniform>
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</uniform>
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<!-- END fog include -->
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<uniform>
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@ -609,7 +606,13 @@
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<value><use>moonlight</use></value>
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</uniform>
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<uniform>
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<name>random_buildings</name>
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<type>bool</type>
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<value type="bool">
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<use>random-buildings</use>
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</value>
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</uniform>
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</pass>
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</technique>
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@ -624,10 +627,6 @@
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<value type="float">4.0</value>
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<float-property>/sim/rendering/shaders/urban</float-property>
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</less-equal>
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<equal>
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<property>/sim/rendering/random-buildings</property>
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<value type="bool">false</value>
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</equal>
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<or>
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<less-equal>
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<value type="float">2.0</value>
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@ -675,7 +674,7 @@
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<use>texture[0]/image</use>
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</image>
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<type>
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<use>texture[0]/type</use>
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<use>texture[0]/type</use>
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</type>
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<filter>
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<use>texture[0]/filter</use>
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@ -696,7 +695,7 @@
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<use>texture[2]/image</use>
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</image>
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<type>
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<use>texture[2]/type</use>
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<use>texture[2]/type</use>
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</type>
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<filter>
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<use>texture[2]/filter</use>
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@ -813,6 +812,13 @@
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<use>max-lod-level</use>
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</value>
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</uniform>
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<uniform>
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<name>random_buildings</name>
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<type>bool</type>
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<value type="bool">
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<use>random-buildings</use>
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</value>
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</uniform>
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</pass>
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</technique>
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<technique n="7">
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@ -824,10 +830,6 @@
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<value type="float">1.0</value>
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<float-property>/sim/rendering/shaders/urban</float-property>
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</less-equal>
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<equal>
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<property>/sim/rendering/random-buildings</property>
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<value type="bool">false</value>
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</equal>
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<or>
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<less-equal>
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<value type="float">2.0</value>
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@ -871,7 +873,7 @@
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<use>texture[0]/image</use>
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</image>
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<type>
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<use>texture[0]/type</use>
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<use>texture[0]/type</use>
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</type>
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<filter>
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<use>texture[0]/filter</use>
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@ -892,7 +894,7 @@
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<use>texture[2]/image</use>
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</image>
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<type>
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<use>texture[2]/type</use>
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<use>texture[2]/type</use>
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</type>
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<filter>
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<use>texture[2]/filter</use>
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@ -979,6 +981,13 @@
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<use>snow-level</use>
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</value>
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</uniform>
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<uniform>
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<name>random_buildings</name>
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<type>bool</type>
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<value type="bool">
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<use>random-buildings</use>
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</value>
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</uniform>
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</pass>
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</technique>
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<technique n="8">
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@ -990,10 +999,6 @@
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<value type="float">4.0</value>
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<float-property>/sim/rendering/shaders/urban</float-property>
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</less-equal>
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<equal>
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<property>/sim/rendering/random-buildings</property>
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<value type="bool">false</value>
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</equal>
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<or>
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<less-equal>
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<value type="float">2.0</value>
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@ -1049,7 +1054,7 @@
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<use>texture[0]/image</use>
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</image>
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<type>
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<use>texture[0]/type</use>
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<use>texture[0]/type</use>
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</type>
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<filter>
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<use>texture[0]/filter</use>
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@ -1070,7 +1075,7 @@
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<use>texture[2]/image</use>
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</image>
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<type>
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<use>texture[2]/type</use>
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<use>texture[2]/type</use>
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</type>
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<filter>
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<use>texture[2]/filter</use>
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@ -1194,6 +1199,13 @@
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<use>max-lod-level</use>
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</value>
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</uniform>
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<uniform>
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<name>random_buildings</name>
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<type>bool</type>
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<value type="bool">
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<use>random-buildings</use>
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</value>
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</uniform>
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<!-- BEGIN fog include -->
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<uniform>
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<name>visibility</name>
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@ -1249,10 +1261,6 @@
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<value type="float">1.0</value>
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<float-property>/sim/rendering/shaders/urban</float-property>
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</less-equal>
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<equal>
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<property>/sim/rendering/random-buildings</property>
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<value type="bool">false</value>
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</equal>
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<or>
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<less-equal>
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<value type="float">2.0</value>
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@ -1304,7 +1312,7 @@
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<use>texture[0]/image</use>
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</image>
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<type>
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<use>texture[0]/type</use>
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<use>texture[0]/type</use>
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</type>
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<filter>
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<use>texture[0]/filter</use>
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@ -1325,7 +1333,7 @@
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<use>texture[2]/image</use>
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</image>
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<type>
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<use>texture[2]/type</use>
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<use>texture[2]/type</use>
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</type>
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<filter>
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<use>texture[2]/filter</use>
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@ -1456,8 +1464,6 @@
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<use>snow-level</use>
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</value>
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</uniform>
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</pass>
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</technique>
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</PropertyList>
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@ -31,6 +31,7 @@ uniform float depth_factor;
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uniform float tile_size;
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uniform float quality_level;
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uniform float snowlevel;
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uniform bool random_buildings;
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const float scale = 1.0;
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int linear_search_steps = 10;
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@ -153,7 +154,9 @@ float ray_intersect_relief(vec2 dp, vec2 ds)
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float ray_intersect(vec2 dp, vec2 ds)
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{
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if ( quality_level >= 4.0 )
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if ( random_buildings )
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return 0.0;
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else if ( quality_level >= 4.0 )
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return ray_intersect_QDM( dp, ds );
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else
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return ray_intersect_relief( dp, ds );
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@ -164,13 +167,18 @@ void main (void)
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if ( quality_level >= 3.0 ) {
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linear_search_steps = 20;
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}
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float depthfactor = depth_factor;
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if ( random_buildings )
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depthfactor = 0.0;
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vec3 normal = normalize(VNormal);
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vec3 tangent = normalize(VTangent);
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vec3 binormal = normalize(VBinormal);
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vec3 ecPos3 = ecPosition.xyz / ecPosition.w;
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vec3 V = normalize(ecPos3);
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vec3 s = vec3(dot(V, tangent), dot(V, binormal), dot(normal, -V));
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vec2 ds = s.xy * depth_factor / s.z;
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vec2 ds = s.xy * depthfactor / s.z;
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vec2 dp = gl_TexCoord[0].st - ds;
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float d = ray_intersect(dp, ds);
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@ -206,7 +214,7 @@ void main (void)
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// step(0.8,Nz)*(1.0-emis)*smoothstep(snowlevel+300.0, snowlevel+360.0, (rawpos.z)+nvL[1]*3000.0));
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// finalColor *= ambient_light;
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vec4 p = vec4( ecPos3 + tile_size * V * (d-1.0) * depth_factor / s.z, 1.0 );
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vec4 p = vec4( ecPos3 + tile_size * V * (d-1.0) * depthfactor / s.z, 1.0 );
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if (dot(normal,-V) > 0.1) {
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vec4 iproj = gl_ProjectionMatrix * p;
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@ -39,7 +39,7 @@ uniform float visibility;
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uniform float avisibility;
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uniform float scattering;
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uniform float terminator;
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uniform float terrain_alt;
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uniform float terrain_alt;
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uniform float hazeLayerAltitude;
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uniform float overcast;
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uniform float eye_alt;
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@ -49,6 +49,7 @@ uniform float wetness;
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uniform float fogstructure;
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uniform float cloud_self_shading;
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uniform vec3 night_color;
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uniform bool random_buildings;
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const float scale = 1.0;
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int linear_search_steps = 10;
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@ -125,7 +126,7 @@ float interpolatedNoise3D(in float x, in float y, in float z)
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float ii1 = simple_interpolate(i1,i2,fractional_x);
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float ii2 = simple_interpolate(i3,i4,fractional_x);
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return simple_interpolate(ii1 , ii2 , fractional_y);
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}
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@ -174,9 +175,9 @@ if (alt < 30000.0)
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else if (alt < 50000.0)
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{
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fade_mix = (alt - 30000.0)/20000.0;
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return fade_mix * exp(-targ*targ - pow(targ,4.0)) + (1.0 - fade_mix) * exp(-targ - pow(targ,4.0));
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return fade_mix * exp(-targ*targ - pow(targ,4.0)) + (1.0 - fade_mix) * exp(-targ - pow(targ,4.0));
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}
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else
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else
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{
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return exp(- targ * targ - pow(targ,4.0));
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}
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@ -299,7 +300,9 @@ float ray_intersect_relief(vec2 dp, vec2 ds)
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float ray_intersect(vec2 dp, vec2 ds)
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{
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if ( quality_level >= 4.0 )
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if ( random_buildings )
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return 0.0;
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else if ( quality_level >= 4.0 )
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return ray_intersect_QDM( dp, ds );
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else
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return ray_intersect_relief( dp, ds );
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@ -310,6 +313,11 @@ void main (void)
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if ( quality_level >= 3.0 ) {
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linear_search_steps = 20;
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}
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float depthfactor = depth_factor;
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if ( random_buildings )
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depthfactor = 0.0;
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vec3 shadedFogColor = vec3(0.65, 0.67, 0.78);
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float effective_scattering = min(scattering, cloud_self_shading);
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vec3 normal = normalize(VNormal);
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@ -319,7 +327,7 @@ void main (void)
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vec3 ecPos3 = ecPosition.xyz / ecPosition.w;
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vec3 V = normalize(ecPos3);
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vec3 s = vec3(dot(V, tangent), dot(V, binormal), dot(normal, -V));
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vec2 ds = s.xy * depth_factor / s.z;
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vec2 ds = s.xy * depthfactor / s.z;
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vec2 dp = gl_TexCoord[0].st - ds;
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float d = ray_intersect(dp, ds);
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@ -340,7 +348,7 @@ void main (void)
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if ( quality_level >= 2.0 ) {
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dp += ds * d;
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vec3 sl = normalize( vec3( dot( l, tangent ), dot( l, binormal ), dot( -l, normal ) ) );
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ds = sl.xy * depth_factor / sl.z;
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ds = sl.xy * depthfactor / sl.z;
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dp -= ds * d;
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float dl = ray_intersect(dp, ds);
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if ( dl < d - 0.05 )
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@ -357,10 +365,10 @@ void main (void)
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emission_factor *= 0.5*pow(tc.r+0.8*tc.g+0.2*tc.b, 2.0) -0.2;
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ambient_light += (emission_factor * vec4(night_color, 0.0));
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vec4 finalColor = texture2D(BaseTex, uv);
|
||||
|
||||
|
||||
|
||||
// texel postprocessing by shader effects
|
||||
|
||||
|
|
@ -388,7 +396,7 @@ if (quality_level > 2)
|
|||
|
||||
finalColor *= ambient_light;
|
||||
|
||||
vec4 p = vec4( ecPos3 + tile_size * V * (d-1.0) * depth_factor / s.z, 1.0 );
|
||||
vec4 p = vec4( ecPos3 + tile_size * V * (d-1.0) * depthfactor / s.z, 1.0 );
|
||||
|
||||
//finalColor.rgb = fog_Func(finalColor.rgb, fogType);
|
||||
|
||||
|
|
@ -399,7 +407,7 @@ float dist = length(relPos);
|
|||
float delta_z = hazeLayerAltitude - eye_alt;
|
||||
|
||||
|
||||
if (dist > max(40.0, 0.04 * min(visibility,avisibility)))
|
||||
if (dist > max(40.0, 0.04 * min(visibility,avisibility)))
|
||||
{
|
||||
|
||||
alt = eye_alt;
|
||||
|
|
@ -422,7 +430,7 @@ float ct = dot(vec3(0.0, 0.0, 1.0), relPos)/dist;
|
|||
|
||||
if (delta_z > 0.0) // we're inside the layer
|
||||
{
|
||||
if (ct < 0.0) // we look down
|
||||
if (ct < 0.0) // we look down
|
||||
{
|
||||
distance_in_layer = dist;
|
||||
vAltitude = min(distance_in_layer,min(visibility, avisibility)) * ct;
|
||||
|
|
@ -434,26 +442,26 @@ if (delta_z > 0.0) // we're inside the layer
|
|||
if (H > delta_z) {distance_in_layer = dist/H * delta_z;}
|
||||
else {distance_in_layer = dist;}
|
||||
vAltitude = min(distance_in_layer,visibility) * ct;
|
||||
delta_zv = delta_z - vAltitude;
|
||||
delta_zv = delta_z - vAltitude;
|
||||
}
|
||||
}
|
||||
else // we see the layer from above, delta_z < 0.0
|
||||
{
|
||||
{
|
||||
H = dist * -ct;
|
||||
if (H < (-delta_z)) // we don't see into the layer at all, aloft visibility is the only fading
|
||||
{
|
||||
distance_in_layer = 0.0;
|
||||
delta_zv = 0.0;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
vAltitude = H + delta_z;
|
||||
distance_in_layer = vAltitude/H * dist;
|
||||
distance_in_layer = vAltitude/H * dist;
|
||||
vAltitude = min(distance_in_layer,visibility) * (-ct);
|
||||
delta_zv = vAltitude;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
// ground haze cannot be thinner than aloft visibility in the model,
|
||||
// so we need to use aloft visibility otherwise
|
||||
|
|
@ -481,7 +489,7 @@ if (visibility < avisibility)
|
|||
eqColorFactor = 1.0 - 0.1 * delta_zv/visibility - (1.0 - effective_scattering);
|
||||
|
||||
}
|
||||
else
|
||||
else
|
||||
{
|
||||
if (quality_level > 3)
|
||||
{
|
||||
|
|
@ -521,7 +529,7 @@ eShade = 0.9 * smoothstep(terminator_width+ terminator, -terminator_width + term
|
|||
{
|
||||
intensity = length(hazeColor);
|
||||
float mie_magnitude = 0.5 * smoothstep(350000.0, 150000.0, terminator-sqrt(2.0 * EarthRadius * terrain_alt));
|
||||
hazeColor = intensity * ((1.0 - mie_magnitude) + mie_magnitude * mie_angle) * normalize(mix(hazeColor, vec3 (0.5, 0.58, 0.65), mie_magnitude * (0.5 - 0.5 * mie_angle)) );
|
||||
hazeColor = intensity * ((1.0 - mie_magnitude) + mie_magnitude * mie_angle) * normalize(mix(hazeColor, vec3 (0.5, 0.58, 0.65), mie_magnitude * (0.5 - 0.5 * mie_angle)) );
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -534,7 +542,7 @@ if (intensity > 0.0) // this needs to be a condition, because otherwise hazeColo
|
|||
if (lightArg < 10.0)
|
||||
{
|
||||
float mie_magnitude = 0.5 * smoothstep(350000.0, 150000.0, terminator-sqrt(2.0 * EarthRadius * terrain_alt));
|
||||
hazeColor = intensity * ((1.0 - mie_magnitude) + mie_magnitude * mie_angle) * normalize(mix(hazeColor, vec3 (0.5, 0.58, 0.65), mie_magnitude * (0.5 - 0.5 * mie_angle)) );
|
||||
hazeColor = intensity * ((1.0 - mie_magnitude) + mie_magnitude * mie_angle) * normalize(mix(hazeColor, vec3 (0.5, 0.58, 0.65), mie_magnitude * (0.5 - 0.5 * mie_angle)) );
|
||||
}
|
||||
|
||||
// high altitude desaturation of the haze color
|
||||
|
|
@ -543,16 +551,16 @@ if (intensity > 0.0) // this needs to be a condition, because otherwise hazeColo
|
|||
// blue hue of haze
|
||||
|
||||
hazeColor.x = hazeColor.x * 0.83;
|
||||
hazeColor.y = hazeColor.y * 0.9;
|
||||
hazeColor.y = hazeColor.y * 0.9;
|
||||
|
||||
|
||||
// additional blue in indirect light
|
||||
float fade_out = max(0.65 - 0.3 *overcast, 0.45);
|
||||
intensity = length(hazeColor);
|
||||
hazeColor = intensity * normalize(mix(hazeColor, 1.5* shadedFogColor, 1.0 -smoothstep(0.25, fade_out,eShade) ));
|
||||
hazeColor = intensity * normalize(mix(hazeColor, 1.5* shadedFogColor, 1.0 -smoothstep(0.25, fade_out,eShade) ));
|
||||
|
||||
// change haze color to blue hue for strong fogging
|
||||
hazeColor = intensity * normalize(mix(hazeColor, shadedFogColor, (1.0-smoothstep(0.5,0.9,eqColorFactor))));
|
||||
hazeColor = intensity * normalize(mix(hazeColor, shadedFogColor, (1.0-smoothstep(0.5,0.9,eqColorFactor))));
|
||||
|
||||
|
||||
// reduce haze intensity when looking at shaded surfaces, only in terminator region
|
||||
|
|
@ -567,7 +575,7 @@ finalColor.xyz = mix(eqColorFactor * hazeColor * eShade, finalColor.xyz,transmis
|
|||
gl_FragColor = finalColor;
|
||||
|
||||
}
|
||||
else // if dist < threshold no fogging at all
|
||||
else // if dist < threshold no fogging at all
|
||||
{
|
||||
gl_FragColor = finalColor;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -31,6 +31,7 @@ uniform float tile_size;
|
|||
uniform float quality_level;
|
||||
uniform float snowlevel;
|
||||
uniform vec3 night_color;
|
||||
uniform bool random_buildings;
|
||||
|
||||
const float scale = 1.0;
|
||||
int linear_search_steps = 10;
|
||||
|
|
@ -156,7 +157,9 @@ float ray_intersect_relief(vec2 dp, vec2 ds)
|
|||
|
||||
float ray_intersect(vec2 dp, vec2 ds)
|
||||
{
|
||||
if ( quality_level >= 4.0 )
|
||||
if ( random_buildings )
|
||||
return 0.0;
|
||||
else if ( quality_level >= 4.0 )
|
||||
return ray_intersect_QDM( dp, ds );
|
||||
else
|
||||
return ray_intersect_relief( dp, ds );
|
||||
|
|
@ -167,6 +170,10 @@ void main (void)
|
|||
if ( quality_level >= 3.0 ) {
|
||||
linear_search_steps = 20;
|
||||
}
|
||||
|
||||
float depthfactor = depth_factor;
|
||||
if ( random_buildings ) depthfactor = 0.0;
|
||||
|
||||
vec3 normal = normalize(VNormal);
|
||||
vec3 tangent = normalize(VTangent);
|
||||
//vec3 binormal = normalize(VBinormal);
|
||||
|
|
@ -174,7 +181,7 @@ void main (void)
|
|||
vec3 ecPos3 = ecPosition.xyz / ecPosition.w;
|
||||
vec3 V = normalize(ecPos3);
|
||||
vec3 s = vec3(dot(V, tangent), dot(V, binormal), dot(normal, -V));
|
||||
vec2 ds = s.xy * depth_factor / s.z;
|
||||
vec2 ds = s.xy * depthfactor / s.z;
|
||||
vec2 dp = gl_TexCoord[0].st - ds;
|
||||
float d = ray_intersect(dp, ds);
|
||||
|
||||
|
|
@ -195,7 +202,7 @@ void main (void)
|
|||
if ( quality_level >= 2.0 ) {
|
||||
dp += ds * d;
|
||||
vec3 sl = normalize( vec3( dot( l, tangent ), dot( l, binormal ), dot( -l, normal ) ) );
|
||||
ds = sl.xy * depth_factor / sl.z;
|
||||
ds = sl.xy * depthfactor / sl.z;
|
||||
dp -= ds * d;
|
||||
float dl = ray_intersect(dp, ds);
|
||||
if ( dl < d - 0.05 )
|
||||
|
|
@ -232,7 +239,7 @@ void main (void)
|
|||
step(0.8,Nz)*(1.0-emis)*smoothstep(snowlevel+300.0, snowlevel+360.0, (rawpos.z)+nvL[1]*3000.0));
|
||||
finalColor *= ambient_light;
|
||||
|
||||
vec4 p = vec4( ecPos3 + tile_size * V * (d-1.0) * depth_factor / s.z, 1.0 );
|
||||
vec4 p = vec4( ecPos3 + tile_size * V * (d-1.0) * depthfactor / s.z, 1.0 );
|
||||
|
||||
finalColor.rgb = fog_Func(finalColor.rgb, fogType);
|
||||
gl_FragColor = finalColor;
|
||||
|
|
|
|||
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Reference in a new issue