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authorAndrey Lihatskiy <alihatskiy@productengine.com>2020-04-26 21:57:40 +0300
committerAndrey Lihatskiy <alihatskiy@productengine.com>2020-04-26 21:57:40 +0300
commita0d7d873552dc1611eb4f8957cf99e777b199dbe (patch)
tree4d2bff47d6d7bd253076473c85f43f17eedbc12c /indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl
parent2ea5c5986a467e253ad0131b4af0faee23b263a4 (diff)
parentd7f1c88c35849e56f5b352f13c16a08467d1533b (diff)
Merge branch 'master' into DRTVWR-460
# Conflicts: # indra/llmath/llquaternion.h # indra/newview/lldrawpoolwater.cpp # indra/newview/lljoystickbutton.cpp # indra/newview/llvosky.cpp # indra/newview/skins/default/textures/textures.xml
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl')
-rw-r--r--indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl77
1 files changed, 41 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 4bdfce9260..df640cba05 100644
--- a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl
@@ -1,5 +1,5 @@
/**
- * @file waterFogF.glsl
+ * @file class1\environment\waterFogF.glsl
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
@@ -25,7 +25,6 @@
-uniform vec4 lightnorm;
uniform vec4 waterPlane;
uniform vec4 waterFogColor;
uniform float waterFogDensity;
@@ -33,42 +32,48 @@ uniform float waterFogKS;
vec3 getPositionEye();
-vec4 applyWaterFog(vec4 color)
+vec4 applyWaterFogView(vec3 pos, vec4 color)
{
- //normalize view vector
- vec3 view = normalize(getPositionEye());
- float es = -(dot(view, waterPlane.xyz));
+ 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;
+ 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);
+
+ color.rgb = color.rgb * D + kc.rgb * L;
+ color.a = kc.a + color.a;
- //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(getPositionEye() - int_v);
-
- //get "thickness" of water
- float l = max(depth, 0.1);
+ return color;
+}
- 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);
-
- color.rgb = color.rgb * D + kc.rgb * L;
- color.a = kc.a + color.a;
-
- return color;
+vec4 applyWaterFog(vec4 color)
+{
+ //normalize view vector
+ return applyWaterFogView(getPositionEye(), color);
}