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path: root/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl
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-rw-r--r--indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl41
1 files changed, 5 insertions, 36 deletions
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl
index 16651dcdbc..745999fc2f 100644
--- a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl
@@ -33,6 +33,7 @@ uniform float waterFogKS;
vec3 getPositionEye();
vec3 srgb_to_linear(vec3 col);
+vec3 linear_to_srgb(vec3 col);
vec4 applyWaterFogView(vec3 pos, vec4 color)
{
@@ -68,48 +69,16 @@ vec4 applyWaterFogView(vec3 pos, vec4 color)
float D = pow(0.98, l*kd);
color.rgb = color.rgb * D + kc.rgb * L;
+ color.a = kc.a + color.a;
return color;
}
vec4 applyWaterFogViewLinearNoClip(vec3 pos, vec4 color, vec3 sunlit)
{
- vec3 view = normalize(pos);
- //normalize view vector
- float es = -(dot(view, waterPlane.xyz));
-
-
- //find intersection point with water plane and eye vector
-
- //get eye depth
- float e0 = max(-waterPlane.w, 0.0);
-
- vec3 int_v = waterPlane.w > 0.0 ? view * waterPlane.w / es : vec3(0.0, 0.0, 0.0);
-
- //get object depth
- float depth = length(pos - int_v);
-
- //get "thickness" of water
- float l = max(depth, 0.1);
-
- float kd = waterFogDensity*1.3;
- float ks = waterFogKS;
- vec4 kc = waterFogColor;
- kc.rgb = srgb_to_linear(kc.rgb); // TODO -- pass in waterFogColor linear
- kc.rgb *= sunlit;
-
- 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);
-
- color.rgb = color.rgb * D + kc.rgb * L;
-
+ color.rgb = linear_to_srgb(color.rgb);
+ color = applyWaterFogView(pos, color);
+ color.rgb = srgb_to_linear(color.rgb);
return color;
}