diff options
author | Andrey Lihatskiy <alihatskiy@productengine.com> | 2020-04-26 21:57:40 +0300 |
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committer | Andrey Lihatskiy <alihatskiy@productengine.com> | 2020-04-26 21:57:40 +0300 |
commit | a0d7d873552dc1611eb4f8957cf99e777b199dbe (patch) | |
tree | 4d2bff47d6d7bd253076473c85f43f17eedbc12c /indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl | |
parent | 2ea5c5986a467e253ad0131b4af0faee23b263a4 (diff) | |
parent | d7f1c88c35849e56f5b352f13c16a08467d1533b (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.glsl | 77 |
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); } |