ffb285c6ff
-Nametag bubble visbility is oddly inconsistent. May vanish with future planned UI merges... -VBOs are PAINFULLY slow on ATI hardware. This repos self-compiled davep/shining-fixes branch, so I'll leave the ball in LL's court for now regarding that.
59 lines
2.2 KiB
GLSL
59 lines
2.2 KiB
GLSL
/**
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* @file sumLightsV.glsl
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*
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* $LicenseInfo:firstyear=2005&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2005, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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float calcDirectionalLight(vec3 n, vec3 l);
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float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
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vec3 atmosAmbient(vec3 light);
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vec3 atmosAffectDirectionalLight(float lightIntensity);
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vec3 scaleDownLight(vec3 light);
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uniform vec4 light_position[8];
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uniform vec3 light_direction[8];
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uniform vec3 light_attenuation[8];
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uniform vec3 light_diffuse[8];
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vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
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{
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vec4 col = vec4(0.0, 0.0, 0.0, color.a);
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// Collect normal lights (need to be divided by two, as we later multiply by 2)
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col.rgb += light_diffuse[1].rgb * calcDirectionalLight(norm, light_position[1].xyz);
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col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].z);
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col.rgb += light_diffuse[3].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[3], light_direction[3], light_attenuation[3].x, light_attenuation[3].z);
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col.rgb = scaleDownLight(col.rgb);
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// Add windlight lights
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col.rgb += atmosAmbient(baseLight.rgb);
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col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, light_position[0].xyz));
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col.rgb = min(col.rgb*color.rgb, 1.0);
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return col;
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}
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