Merge branch 'master' of git://gitorious.org/fg/fgdata

Effects/water.eff

@@ -2,6 +2,150 @@
 <PropertyList>
   <name>Effects/water</name>
   <inherits-from>Effects/terrain-default</inherits-from>
+  <parameters>
+    <texture n="0">
+        <image>Textures/Water/water-reflection.png</image>
+        <filter>linear-mipmap-linear</filter>
+        <wrap-s>repeat</wrap-s>
+        <wrap-t>repeat</wrap-t>
+        <internal-format>normalized</internal-format>
+    </texture>
+    <texture n="1">
+        <image>Textures/Water/water-refraction.png</image>
+        <filter>linear-mipmap-linear</filter>
+        <wrap-s>repeat</wrap-s>
+        <wrap-t>repeat</wrap-t>
+        <internal-format>normalized</internal-format>
+    </texture>
+    <texture n="2">
+        <image>Textures/Water/water-normalmap.png</image>
+        <filter>linear-mipmap-linear</filter>
+        <wrap-s>repeat</wrap-s>
+        <wrap-t>repeat</wrap-t>
+        <internal-format>normalized</internal-format>
+    </texture>
+    <texture n="3">
+        <image>Textures/Water/water-dudv.png</image>
+        <filter>linear-mipmap-linear</filter>
+        <wrap-s>repeat</wrap-s>
+        <wrap-t>repeat</wrap-t>
+        <internal-format>normalized</internal-format>
+    </texture>
+	<saturation>
+		<use>/rendering/scene/saturation</use>
+	</saturation>
+  </parameters>
+  <technique n="8">
+    <predicate>
+      <and>
+        <property>/sim/rendering/water-shader</property>
+        <property>/sim/rendering/shader-effects</property>
+        <less-equal>
+	  		<value type="float">2.0</value>
+	  		<float-property>/sim/rendering/quality-level</float-property>
+		</less-equal>
+        <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>
+        <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>
+      <texture-unit>
+        <unit>1</unit>
+          <image><use>texture[1]/image</use></image>
+          <filter><use>texture[1]/filter</use></filter>
+          <wrap-s><use>texture[1]/wrap-s</use></wrap-s>
+          <wrap-t><use>texture[1]/wrap-t</use></wrap-t>
+          <internal-format>
+            <use>texture[1]/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>
+      <program>
+        <vertex-shader>Shaders/water.vert</vertex-shader>
+        <fragment-shader>Shaders/water.frag</fragment-shader>
+      </program>
+      <uniform>
+        <name>water_reflection</name>
+        <type>sampler-2d</type>
+        <value type="int">0</value>
+      </uniform>
+      <uniform>
+        <name>water_refraction</name>
+        <type>sampler-2d</type>
+        <value type="int">1</value>
+      </uniform>
+            <uniform>
+        <name>water_normalmap</name>
+        <type>sampler-2d</type>
+        <value type="int">2</value>
+      </uniform>
+      <uniform>
+        <name>water_dudvmap</name>
+        <type>sampler-2d</type>
+        <value type="int">3</value>
+      </uniform>
+      <uniform>
+		<name>saturation</name>
+		<type>float</type>
+		<value>0.4</value>
+		<!--<value><use>saturation</use></value>-->
+      </uniform>
+    </pass>
+  </technique>
   <technique n="9">
     <predicate>
       <and>
@@ -42,8 +186,8 @@
         <type>noise</type>
       </texture-unit>
       <program>
-        <vertex-shader>Shaders/water.vert</vertex-shader>
+        <vertex-shader>Shaders/water-orig.vert</vertex-shader>
-        <fragment-shader>Shaders/water.frag</fragment-shader>
+        <fragment-shader>Shaders/water-orig.frag</fragment-shader>
       </program>
       <uniform>
       <name>texture</name>

Shaders/reflect-bump-spec.frag

@@ -97,7 +97,7 @@ void main (void)
         reflFactor = (gl_FrontMaterial.shininess / 128) + transparency_offset;
     }
 
-    reflFactor = clamp(reflFactor * ns.a, 0.0, 1.0);
+    reflFactor = clamp(reflFactor, 0.0, 1.0);
 
     // set ambient adjustment to remove bluiness with user input
     float ambient_offset = clamp(ambient_correction, -1.0, 1.0);

Shaders/water-orig.frag

@@ -0,0 +1,86 @@
+#version 120
+
+varying vec4 rawpos;
+varying vec4 ecPosition;
+varying vec3 VNormal;
+varying vec3 Normal;
+varying vec3 lightVec;
+
+uniform sampler3D NoiseTex;
+uniform float osg_SimulationTime;
+
+//const float scale = 1.0;
+
+void main (void)
+{
+    vec4 noisevecS   = texture3D(NoiseTex, (rawpos.xyz)*0.0126);
+    vec4 nvLS   = texture3D(NoiseTex, (rawpos.xyz)*-0.0003323417);
+
+    vec4 noisevec   = texture3D(NoiseTex, (rawpos.xyz)*0.00423+vec3(0.0,0.0,osg_SimulationTime*0.035217));
+    vec4 nvL   = texture3D(NoiseTex, (rawpos.xyz)*0.001223417+(0.0,0.0,osg_SimulationTime*-0.0212));
+
+    float fogFactor;
+    if (gl_Fog.density == 1.0)
+    {
+       fogFactor=1.0;
+    }
+    else
+    {
+        float fogCoord = ecPosition.z;
+        const float LOG2 = 1.442695;
+        fogFactor = exp2(-gl_Fog.density * gl_Fog.density * fogCoord * fogCoord * LOG2);
+        fogFactor = clamp(fogFactor, 0.0, 1.0);
+    }
+
+    float a=1.0;
+    float n=0.00;
+    n += nvLS[0]*a;
+    a/=2.0;
+    n += nvLS[1]*a;
+    a/=2.0;
+    n += nvLS[2]*a;
+    a/=2.0;
+    n += nvLS[3]*a;
+
+    a=4.0;
+    float na=n;
+    na += nvL[0]*1.1;
+    a*=1.2;
+    na += nvL[1]*a;
+    a*=1.2;
+    na += nvL[2]*a;
+    a*=1.2;
+    na += nvL[3]*a;
+    a=2.0;
+    na += noisevec[0]*a*0.2;
+    a*=1.2;
+    na += noisevec[1]*a;
+    a*=1.2;
+    na += noisevec[2]*a;
+    a*=1.2;
+    na += noisevec[3]*a;
+
+    vec4 c1;
+    c1 = asin(vec4(smoothstep(0.0, 2.2, n), smoothstep(-0.1, 2.10, n), smoothstep(-0.2, 2.0, n), 1.0));
+
+    vec3 Eye = normalize(-ecPosition.xyz);
+    vec3 Reflected = normalize(reflect(-normalize(lightVec), normalize(VNormal+vec3(0.0,0.0,na*0.10-0.24)))); 
+
+    vec3 bump = normalize(VNormal+vec3(0.0, 0.0, na)-0.9);
+    vec3 bumped = max(normalize(refract(lightVec, normalize(bump), 0.16)), 0.0);
+
+    vec4 ambientColor = gl_LightSource[0].ambient;
+    vec4 light = ambientColor;
+    c1 *= light;
+
+    float bumpFact = (bumped.r+bumped.g+bumped.b);
+    float ReflectedEye = max(dot(Reflected, Eye), 0.0);
+    float eyeFact = pow(ReflectedEye, 20.0);
+    c1 += 0.3 * gl_LightSource[0].diffuse * (1.0-eyeFact) * bumpFact*bumpFact;
+    c1 += 0.4 * gl_LightSource[0].diffuse * eyeFact * 3*bumpFact;
+    eyeFact = pow(eyeFact, 20.0);
+    c1 += gl_LightSource[0].specular * eyeFact * 4*bumpFact;
+
+    vec4 finalColor = c1;
+    gl_FragColor = mix(gl_Fog.color, finalColor, fogFactor);
+}

Shaders/water-orig.vert

@@ -0,0 +1,15 @@
+varying vec4 rawpos;
+varying vec4 ecPosition;
+varying vec3 VNormal;
+varying vec3 Normal;
+varying vec3 lightVec;
+
+void main(void)
+{
+	rawpos     = gl_Vertex;
+	ecPosition = gl_ModelViewMatrix * gl_Vertex;
+	VNormal = normalize(gl_NormalMatrix * gl_Normal);
+	Normal = normalize(gl_Normal);
+	lightVec = normalize(gl_LightSource[0].position.xyz/* - ecPosition*/);
+	gl_Position = ftransform();
+}

Shaders/water.frag

@@ -1,86 +1,80 @@
-#version 120
+uniform sampler2D water_normalmap;
+uniform sampler2D water_reflection;
+uniform sampler2D water_dudvmap;
+uniform float saturation;
 
-varying vec4 rawpos;
+varying vec4 waterTex1; //moving texcoords
+varying vec4 waterTex2; //moving texcoords
+varying vec4 waterTex4; //viewts
 varying vec4 ecPosition;
-varying vec3 VNormal;
+varying vec3 viewerdir;
-varying vec3 Normal;
+varying vec3 lightdir;
-varying vec3 lightVec;
+varying vec3 normal;
 
-uniform sampler3D NoiseTex;
+void main(void)
-uniform float osg_SimulationTime;
-
-//const float scale = 1.0;
-
-void main (void)
 {
-    vec4 noisevecS   = texture3D(NoiseTex, (rawpos.xyz)*0.0126);
+const vec4 sca = vec4(0.005, 0.005, 0.005, 0.005);
-    vec4 nvLS   = texture3D(NoiseTex, (rawpos.xyz)*-0.0003323417);
+const vec4 sca2 = vec4(0.02, 0.02, 0.02, 0.02);
+const vec4 tscale = vec4(0.25, 0.25, 0.25, 0.25);
 
-    vec4 noisevec   = texture3D(NoiseTex, (rawpos.xyz)*0.00423+vec3(0.0,0.0,osg_SimulationTime*0.035217));
+// compute direction to viewer
-    vec4 nvL   = texture3D(NoiseTex, (rawpos.xyz)*0.001223417+(0.0,0.0,osg_SimulationTime*-0.0212));
+vec3 E = normalize(viewerdir);
 
-    float fogFactor;
+// compute direction to light source
-    if (gl_Fog.density == 1.0)
+vec3 L = normalize(lightdir);
-    {
-       fogFactor=1.0;
-    }
-    else
-    {
-        float fogCoord = ecPosition.z;
-        const float LOG2 = 1.442695;
-        fogFactor = exp2(-gl_Fog.density * gl_Fog.density * fogCoord * fogCoord * LOG2);
-        fogFactor = clamp(fogFactor, 0.0, 1.0);
-    }
 
-    float a=1.0;
+// half vector
-    float n=0.00;
+vec3 H = normalize(L + E);
-    n += nvLS[0]*a;
+	
-    a/=2.0;
+const float water_shininess = 240.0;
-    n += nvLS[1]*a;
-    a/=2.0;
-    n += nvLS[2]*a;
-    a/=2.0;
-    n += nvLS[3]*a;
 
-    a=4.0;
+vec4 viewt = normalize(waterTex4);
-    float na=n;
-    na += nvL[0]*1.1;
-    a*=1.2;
-    na += nvL[1]*a;
-    a*=1.2;
-    na += nvL[2]*a;
-    a*=1.2;
-    na += nvL[3]*a;
-    a=2.0;
-    na += noisevec[0]*a*0.2;
-    a*=1.2;
-    na += noisevec[1]*a;
-    a*=1.2;
-    na += noisevec[2]*a;
-    a*=1.2;
-    na += noisevec[3]*a;
 
-    vec4 c1;
+vec4 disdis = texture2D(water_dudvmap, vec2(waterTex2 * tscale)) * 2.0 - 1.0;
-    c1 = asin(vec4(smoothstep(0.0, 2.2, n), smoothstep(-0.1, 2.10, n), smoothstep(-0.2, 2.0, n), 1.0));
+vec4 dist = texture2D(water_dudvmap, vec2(waterTex1 + disdis*sca2)) * 2.0 - 1.0;
+vec4 fdist = normalize(dist);
+fdist *= sca;
 
-    vec3 Eye = normalize(-ecPosition.xyz);
+//normalmap
-    vec3 Reflected = normalize(reflect(-normalize(lightVec), normalize(VNormal+vec3(0.0,0.0,na*0.10-0.24)))); 
+vec4 nmap0 = texture2D(water_normalmap, vec2(waterTex1+ disdis*sca2)) * 2.0 - 1.0;
+vec4 nmap2 = texture2D(water_normalmap, vec2(waterTex2 * tscale)) * 2.0 - 1.0;
+vec4 vNorm = normalize(nmap0 + nmap2);
 
-    vec3 bump = normalize(VNormal+vec3(0.0, 0.0, na)-0.9);
+//load reflection
-    vec3 bumped = max(normalize(refract(lightVec, normalize(bump), 0.16)), 0.0);
+vec4 tmp = vec4(lightdir, 0.0);
+vec4 refTex = texture2D(water_reflection, vec2(tmp));
+vec4 refl = normalize(refTex);
 
-    vec4 ambientColor = gl_LightSource[0].ambient;
+vec3 N0 = vec3(texture2D(water_normalmap, vec2(waterTex1+ disdis*sca2)) * 2.0 - 1.0);
-    vec4 light = ambientColor;
+vec3 N1 = vec3(texture2D(water_normalmap, vec2(waterTex2 * tscale)) * 2.0 - 1.0);
-    c1 *= light;
+vec3 N = normalize(normal+N0+N1);
 
-    float bumpFact = (bumped.r+bumped.g+bumped.b);
+vec3 specular_color = vec3(gl_LightSource[0].diffuse)
-    float ReflectedEye = max(dot(Reflected, Eye), 0.0);
+		* pow(max(0.0, dot(N, H)), water_shininess) * 6.0;
-    float eyeFact = pow(ReflectedEye, 20.0);
-    c1 += 0.3 * gl_LightSource[0].diffuse * (1.0-eyeFact) * bumpFact*bumpFact;
-    c1 += 0.4 * gl_LightSource[0].diffuse * eyeFact * 3*bumpFact;
-    eyeFact = pow(eyeFact, 20.0);
-    c1 += gl_LightSource[0].specular * eyeFact * 4*bumpFact;
 
-    vec4 finalColor = c1;
+vec4 specular = vec4(specular_color,0.5);
-    gl_FragColor = mix(gl_Fog.color, finalColor, fogFactor);
+
+//calculate fresnel
+vec4 invfres = vec4( dot(vNorm, viewt) );
+vec4 fres = vec4(1.0) + invfres; 
+refl *= fres;
+
+
+specular = specular * saturation;
+
+vec4 finalColor = refl + specular;
+
+float fogFactor;
+float fogCoord = ecPosition.z;
+const float LOG2 = 1.442695;
+fogFactor = exp2(-gl_Fog.density * gl_Fog.density * fogCoord * fogCoord * LOG2);
+
+vec4 ambient_light = gl_LightSource[0].diffuse;
+
+	finalColor *= ambient_light;
+
+	if(gl_Fog.density == 1.0)
+		fogFactor=1.0;
+
+gl_FragColor = mix(gl_Fog.color,finalColor, fogFactor);
 }

Shaders/water.vert

@@ -1,15 +1,29 @@
-varying vec4 rawpos;
+varying vec4 waterTex1;
+varying vec4 waterTex2;
+varying vec4 waterTex4;
 varying vec4 ecPosition;
-varying vec3 VNormal;
+uniform float osg_SimulationTime;
-varying vec3 Normal;
+varying vec3 viewerdir;
-varying vec3 lightVec;
+varying vec3 lightdir;
+varying vec3 normal;
 
 void main(void)
 {
-	rawpos     = gl_Vertex;
+vec3 N = normalize(gl_Normal);
-	ecPosition = gl_ModelViewMatrix * gl_Vertex;
+normal = N;
-	VNormal = normalize(gl_NormalMatrix * gl_Normal);
+
-	Normal = normalize(gl_Normal);
+ecPosition = gl_ModelViewMatrix * gl_Vertex;
-	lightVec = normalize(gl_LightSource[0].position.xyz/* - ecPosition*/);
+
-	gl_Position = ftransform();
+viewerdir = vec3(gl_ModelViewMatrixInverse[3]) - vec3(gl_Vertex);
-}
+lightdir = normalize(vec3(gl_ModelViewMatrixInverse * gl_LightSource[0].position));
+
+waterTex4 = vec4( ecPosition.xzy, 0.0 );
+
+vec4 t1 = vec4(0.0, osg_SimulationTime*0.005217, 0.0,0.0);
+vec4 t2 = vec4(0.0, osg_SimulationTime*-0.0012, 0.0,0.0);
+
+waterTex1 = gl_MultiTexCoord0 + t1;
+waterTex2 = gl_MultiTexCoord0 + t2;
+
+gl_Position = ftransform();
+}