1 files changed, 76 insertions, 0 deletions

diff --git a/linden/indra/newview/app_settings/shaders/class2/deferred/waterV.glsl b/linden/indra/newview/app_settings/shaders/class2/deferred/waterV.glsl
new file mode 100644
index 0000000..b45e5c5
--- /dev/null
+++ b/linden/indra/newview/app_settings/shaders/class2/deferred/waterV.glsl
@@ -0,0 +1,76 @@
+/** 
+ * @file waterV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+void calcAtmospherics(vec3 inPositionEye);
+
+uniform vec2 d1;
+uniform vec2 d2;
+uniform float time;
+uniform vec3 eyeVec;
+uniform float waterHeight;
+
+varying vec4 refCoord;
+varying vec4 littleWave;
+varying vec4 view;
+
+varying vec4 vary_position;
+
+float wave(vec2 v, float t, float f, vec2 d, float s) 
+{
+   return (dot(d, v)*f + t*s)*f;
+}
+
+void main()
+{
+        //transform vertex
+        vec4 position = gl_Vertex;
+        mat4 modelViewProj = gl_ModelViewProjectionMatrix;
+        
+        vec4 oPosition;
+                    
+        //get view vector
+        vec3 oEyeVec;
+        oEyeVec.xyz = position.xyz-eyeVec;
+                
+        float d = length(oEyeVec.xy);
+        float ld = min(d, 2560.0);
+        
+        position.xy = eyeVec.xy + oEyeVec.xy/d*ld;
+        view.xyz = oEyeVec;
+                
+        d = clamp(ld/1536.0-0.5, 0.0, 1.0);     
+        d *= d;
+                
+        oPosition = position;
+        oPosition.z = mix(oPosition.z, max(eyeVec.z*0.75, 0.0), d);
+        vary_position = gl_ModelViewMatrix * oPosition;
+        oPosition = modelViewProj * oPosition;
+        
+        refCoord.xyz = oPosition.xyz + vec3(0,0,0.2);
+        
+        //get wave position parameter (create sweeping horizontal waves)
+        vec3 v = position.xyz;
+        v.x += (cos(v.x*0.08/*+time*0.01*/)+sin(v.y*0.02))*6.0;
+            
+        //push position for further horizon effect.
+        position.xyz = oEyeVec.xyz*(waterHeight/oEyeVec.z);
+        position.w = 1.0;
+        position = position*gl_ModelViewMatrix;
+        
+        calcAtmospherics((gl_ModelViewMatrix * gl_Vertex).xyz);
+        
+        
+        //pass wave parameters to pixel shader
+        vec2 bigWave =  (v.xy) * vec2(0.04,0.04)  + d1 * time * 0.055;
+        //get two normal map (detail map) texture coordinates
+        littleWave.xy = (v.xy) * vec2(0.45, 0.9)   + d2 * time * 0.13;
+        littleWave.zw = (v.xy) * vec2(0.1, 0.2) + d1 * time * 0.1;
+        view.w = bigWave.y;
+        refCoord.w = bigWave.x;
+        
+        gl_Position = oPosition;
+}