diff options
author | Dave Houlton <euclid@lindenlab.com> | 2021-02-09 16:36:50 -0700 |
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committer | Dave Houlton <euclid@lindenlab.com> | 2021-02-09 16:36:50 -0700 |
commit | 17f533fef05520759c5c7f77578e28009633d98a (patch) | |
tree | 66d8fd8a49eb2e1766aa0f16876bce4fc7fe7f05 /indra/newview/app_settings/shaders/class3/deferred | |
parent | 8b556ea3ed90d55fe3f0b3c2198ebfac537344fd (diff) |
DRTVWR-525 housekeeping: delete unused shader file
Diffstat (limited to 'indra/newview/app_settings/shaders/class3/deferred')
-rw-r--r-- | indra/newview/app_settings/shaders/class3/deferred/lightUtil.glsl | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/indra/newview/app_settings/shaders/class3/deferred/lightUtil.glsl b/indra/newview/app_settings/shaders/class3/deferred/lightUtil.glsl deleted file mode 100644 index 8bb3f07fc6..0000000000 --- a/indra/newview/app_settings/shaders/class3/deferred/lightUtil.glsl +++ /dev/null @@ -1,117 +0,0 @@ -/** - * @file lightInfo.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 - * $/LicenseInfo$ - */ - -struct DirectionalLightInfo -{ - vec4 pos; - float depth; - vec4 normal; - vec3 normalizedLightDirection; - vec3 normalizedToLight; - float lightIntensity; - vec3 lightDiffuseColor; - float specExponent; - float shadow; -}; - -struct SpotLightInfo -{ - vec4 pos; - float depth; - vec4 normal; - vec3 normalizedLightDirection; - vec3 normalizedToLight; - float lightIntensity; - float attenuation; - float distanceToLight; - vec3 lightDiffuseColor; - float innerHalfAngleCos; - float outerHalfAngleCos; - float spotExponent; - float specExponent; - float shadow; -}; - -struct PointLightInfo -{ - vec4 pos; - float depth; - vec4 normal; - vec3 normalizedToLight; - float lightIntensity; - float attenuation; - float distanceToLight; - vec3 lightDiffuseColor; - float lightRadius; - float specExponent; - vec3 worldspaceLightDirection; - float shadow; -}; - -float attenuate(float attenuationSelection, float distanceToLight) -{ -// LLRENDER_REVIEW -// sh/could eventually consume attenuation func defined in texture - return (attenuationSelection == 0.0f) ? 1.0f : // none - (attenuationSelection < 1.0f) ? (1.0f / distanceToLight) : // linear atten - (attenuationSelection < 2.0f) ? (1.0f / (distanceToLight*distanceToLight)) // quadratic atten - : (1.0f / (distanceToLight*distanceToLight*distanceToLight)); // cubic atten -} - - -vec3 lightDirectional(struct DirectionalLightInfo dli) -{ - float lightIntensity = dli.lightIntensity; - lightIntensity *= dot(dli.normal.xyz, dli.normalizedLightDirection); - //lightIntensity *= directionalShadowSample(vec4(dli.pos.xyz, 1.0f), dli.depth, dli.directionalShadowMap, dli.directionalShadowMatrix); - return lightIntensity * dli.lightDiffuseColor; -} - - -vec3 lightSpot(struct SpotLightInfo sli) -{ - float penumbraRange = (sli.outerHalfAngleCos - sli.innerHalfAngleCos); - float coneAngleCos = max(dot(sli.normalizedLightDirection, sli.normalizedToLight), 0.0); - float coneAttenFactor = (coneAngleCos <= sli.outerHalfAngleCos) ? 1.0f : pow(smoothstep(1,0, sli.outerHalfAngleCos / penumbraRange), sli.spotExponent); - float distanceAttenuation = attenuate(sli.attenuation, sli.distanceToLight); - float lightIntensity = sli.lightIntensity; - lightIntensity *= distanceAttenuation; - lightIntensity *= max(dot(sli.normal.xyz, sli.normalizedLightDirection), 0.0); - lightIntensity *= coneAttenFactor; - lightIntensity *= sli.shadow; - return lightIntensity * sli.lightDiffuseColor; -} - -vec3 lightPoint(struct PointLightInfo pli) -{ - float padRadius = pli.lightRadius * 0.1; // distance for which to perform smoothed dropoff past light radius - float distanceAttenuation = attenuate(pli.attenuation, pli.distanceToLight); - float lightIntensity = pli.lightIntensity; - lightIntensity*= distanceAttenuation; - lightIntensity *= clamp((padRadius - pli.distanceToLight + pli.lightRadius) / padRadius, 0.0, 1.0); - lightIntensity *= pli.shadow; - lightIntensity *= max(dot(pli.normal.xyz, pli.normalizedToLight), 0.0); - return lightIntensity * pli.lightDiffuseColor; -} |