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-rw-r--r--indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl39
1 files changed, 2 insertions, 37 deletions
diff --git a/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
index 0d8dab0a41..20280ab1c5 100644
--- a/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
@@ -47,7 +47,6 @@ uniform float kd;
uniform vec4 waterPlane;
uniform vec3 eyeVec;
uniform vec4 waterFogColor;
-uniform float waterFogDensity;
uniform float waterFogKS;
uniform vec2 screenRes;
@@ -56,41 +55,7 @@ VARYING vec4 refCoord;
VARYING vec4 littleWave;
VARYING vec4 view;
-vec4 applyWaterFog(vec4 color, vec3 viewVec)
-{
- //normalize view vector
- vec3 view = normalize(viewVec);
- float es = -view.z;
-
- //find intersection point with water plane and eye vector
-
- //get eye depth
- float e0 = max(-waterPlane.w, 0.0);
-
- //get object depth
- float depth = length(viewVec);
-
- //get "thickness" of water
- float l = max(depth, 0.1);
-
- float kd = waterFogDensity;
- float ks = waterFogKS;
- vec4 kc = waterFogColor;
-
- float F = 0.98;
-
- float t1 = -kd * pow(F, ks * e0);
- float t2 = kd + ks * es;
- float t3 = pow(F, t2*l) - 1.0;
-
- float L = min(t1/t2*t3, 1.0);
-
- float D = pow(0.98, l*kd);
- //return vec4(1.0, 0.0, 1.0, 1.0);
- return color * D + kc * L;
- //depth /= 10.0;
- //return vec4(depth,depth,depth,0.0);
-}
+vec4 applyWaterFogView(vec3 pos, vec4 color);
void main()
{
@@ -108,5 +73,5 @@ void main()
vec4 fb = texture2D(screenTex, distort);
- frag_color = applyWaterFog(fb,view.xyz);
+ frag_color = applyWaterFogView(view.xyz, fb);
}