diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class2/environment/waterFogF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class2/environment/waterFogF.glsl | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/indra/newview/app_settings/shaders/class2/environment/waterFogF.glsl b/indra/newview/app_settings/shaders/class2/environment/waterFogF.glsl deleted file mode 100644 index 4bdfce9260..0000000000 --- a/indra/newview/app_settings/shaders/class2/environment/waterFogF.glsl +++ /dev/null @@ -1,74 +0,0 @@ -/** - * @file waterFogF.glsl - * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - - - -uniform vec4 lightnorm; -uniform vec4 waterPlane; -uniform vec4 waterFogColor; -uniform float waterFogDensity; -uniform float waterFogKS; - -vec3 getPositionEye(); - -vec4 applyWaterFog(vec4 color) -{ - //normalize view vector - vec3 view = normalize(getPositionEye()); - 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(getPositionEye() - 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; - - return color; -} - |