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https://thingvellir.net/git/overte
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Move srgbToLinear lookup table to external cpp
This commit is contained in:
Ryan Huffman
parent
b800aa793d
commit
43c1472b36
2 changed files with 62 additions and 48 deletions
59
libraries/shared/src/ColorUtils.cpp
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59
libraries/shared/src/ColorUtils.cpp
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//
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// ColorUtils.cpp
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// libraries/shared/src
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//
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// Created by Ryan Huffman on 8/8/16.
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// Copyright 2016 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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#include "ColorUtils.h"
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// Generated from python script in repository at `tools/srgb_gen.py`
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const float srgbToLinearLookupTable[256] = {
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0.0f, 0.000303526983549f, 0.000607053967098f, 0.000910580950647f, 0.0012141079342f, 0.00151763491774f, 0.00182116190129f,
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0.00212468888484f, 0.00242821586839f, 0.00273174285194f, 0.00303526983549f, 0.0033465357639f, 0.00367650732405f,
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0.0040247170185f, 0.00439144203741f, 0.00477695348069f, 0.00518151670234f, 0.0056053916242f, 0.00604883302286f,
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0.00651209079259f, 0.00699541018727f, 0.00749903204323f, 0.00802319298538f, 0.00856812561807f, 0.00913405870222f,
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0.00972121732024f, 0.0103298230296f, 0.0109600940065f, 0.0116122451797f, 0.0122864883569f, 0.0129830323422f,
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0.0137020830473f, 0.0144438435961f, 0.0152085144229f, 0.0159962933655f, 0.0168073757529f, 0.0176419544884f,
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0.0185002201284f, 0.0193823609569f, 0.0202885630567f, 0.021219010376f, 0.0221738847934f, 0.0231533661781f,
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0.0241576324485f, 0.0251868596274f, 0.0262412218948f, 0.0273208916391f, 0.0284260395044f, 0.0295568344378f,
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0.030713443733f, 0.031896033073f, 0.0331047665709f, 0.0343398068087f, 0.035601314875f, 0.0368894504011f,
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0.0382043715953f, 0.0395462352767f, 0.0409151969069f, 0.0423114106208f, 0.043735029257f, 0.0451862043857f,
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0.0466650863369f, 0.0481718242269f, 0.0497065659841f, 0.051269458374f, 0.0528606470232f, 0.0544802764424f,
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0.0561284900496f, 0.0578054301911f, 0.059511238163f, 0.0612460542316f, 0.0630100176532f, 0.0648032666929f,
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0.0666259386438f, 0.0684781698444f, 0.0703600956966f, 0.0722718506823f, 0.0742135683801f, 0.0761853814813f,
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0.0781874218052f, 0.0802198203145f, 0.0822827071298f, 0.0843762115441f, 0.0865004620365f, 0.0886555862858f,
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0.0908417111834f, 0.0930589628467f, 0.095307466631f, 0.0975873471419f, 0.0998987282471f, 0.102241733088f,
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0.104616484091f, 0.107023102978f, 0.109461710778f, 0.111932427837f, 0.114435373827f, 0.116970667759f,
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0.119538427988f, 0.12213877223f, 0.124771817561f, 0.127437680436f, 0.13013647669f, 0.132868321554f,
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0.135633329655f, 0.138431615032f, 0.14126329114f, 0.144128470858f, 0.147027266498f, 0.149959789811f,
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0.152926151996f, 0.155926463708f, 0.158960835061f, 0.162029375639f, 0.165132194502f, 0.16826940019f,
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0.171441100733f, 0.174647403656f, 0.177888415984f, 0.18116424425f, 0.1844749945f, 0.187820772301f,
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0.191201682741f, 0.194617830442f, 0.19806931956f, 0.201556253794f, 0.20507873639f, 0.208636870145f,
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0.212230757414f, 0.215860500114f, 0.219526199729f, 0.223227957317f, 0.22696587351f, 0.230740048524f,
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0.234550582161f, 0.238397573812f, 0.242281122466f, 0.246201326708f, 0.25015828473f, 0.254152094331f,
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0.258182852922f, 0.26225065753f, 0.266355604803f, 0.270497791013f, 0.27467731206f, 0.278894263477f,
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0.28314874043f, 0.287440837727f, 0.291770649818f, 0.296138270798f, 0.300543794416f, 0.30498731407f,
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0.309468922818f, 0.313988713376f, 0.318546778125f, 0.323143209113f, 0.327778098057f, 0.332451536346f,
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0.337163615048f, 0.341914424909f, 0.346704056355f, 0.3515325995f, 0.356400144146f, 0.361306779784f,
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0.366252595599f, 0.371237680474f, 0.376262122991f, 0.381326011433f, 0.386429433787f, 0.39157247775f,
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0.396755230726f, 0.401977779832f, 0.407240211902f, 0.412542613484f, 0.417885070848f, 0.423267669986f,
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0.428690496614f, 0.434153636175f, 0.439657173841f, 0.445201194516f, 0.450785782838f, 0.45641102318f,
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0.462076999654f, 0.467783796112f, 0.473531496148f, 0.479320183101f, 0.485149940056f, 0.491020849848f,
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0.496932995061f, 0.502886458033f, 0.508881320855f, 0.514917665377f, 0.520995573204f, 0.527115125706f,
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0.533276404011f, 0.539479489012f, 0.54572446137f, 0.552011401512f, 0.558340389634f, 0.564711505705f,
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0.571124829465f, 0.57758044043f, 0.584078417891f, 0.590618840919f, 0.597201788364f, 0.603827338855f,
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0.610495570808f, 0.61720656242f, 0.623960391675f, 0.630757136346f, 0.637596873994f, 0.644479681971f,
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0.65140563742f, 0.658374817279f, 0.665387298282f, 0.672443156958f, 0.679542469633f, 0.686685312435f,
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0.693871761292f, 0.701101891933f, 0.708375779892f, 0.715693500506f, 0.723055128922f, 0.73046074009f,
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0.737910408773f, 0.74540420954f, 0.752942216776f, 0.760524504675f, 0.768151147248f, 0.775822218317f,
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0.783537791526f, 0.791297940333f, 0.799102738014f, 0.806952257669f, 0.814846572216f, 0.822785754396f,
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0.830769876775f, 0.838799011741f, 0.84687323151f, 0.854992608124f, 0.863157213454f, 0.871367119199f,
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0.879622396888f, 0.887923117882f, 0.896269353374f, 0.904661174391f, 0.913098651793f, 0.921581856277f,
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0.930110858375f, 0.938685728458f, 0.947306536733f, 0.955973353249f, 0.964686247894f, 0.973445290398f,
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0.982250550333f, 0.991102097114f, 1.0f
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};
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@ -13,57 +13,12 @@
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#define hifi_ColorUtils_h
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#include <glm/glm.hpp>
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#include <SharedUtil.h>
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#include "SharedUtil.h"
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#include "DependencyManager.h"
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// Generated from python script in repository at `tools/srgb_gen.py`
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static const float srgbToLinearLookupTable[256] = {
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0.0f, 0.000303526983549f, 0.000607053967098f, 0.000910580950647f, 0.0012141079342f, 0.00151763491774f, 0.00182116190129f,
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0.00212468888484f, 0.00242821586839f, 0.00273174285194f, 0.00303526983549f, 0.00251584218443f, 0.00279619194822f,
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0.00309396642819f, 0.00340946205345f, 0.00374296799396f, 0.00409476661624f, 0.00446513389425f, 0.00485433978143f,
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0.00526264854875f, 0.00569031909303f, 0.00613760521883f, 0.00660475589722f, 0.00709201550367f, 0.00759962403765f,
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0.00812781732551f, 0.00867682720861f, 0.00924688171802f, 0.00983820523704f, 0.0104510186528f, 0.0110855394981f,
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0.0117419820834f, 0.0124205576216f, 0.0131214743443f, 0.0138449376117f, 0.0145911500156f, 0.0153603114768f,
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0.0161526193372f, 0.0169682684465f, 0.0178074512441f, 0.0186703578377f, 0.0195571760767f, 0.0204680916222f,
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0.0214032880141f, 0.0223629467344f, 0.0233472472675f, 0.0243563671578f, 0.0253904820647f, 0.026449765815f,
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0.0275343904531f, 0.0286445262888f, 0.0297803419432f, 0.0309420043928f, 0.0321296790111f, 0.0333435296099f,
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0.0345837184768f, 0.0358504064137f, 0.0371437527716f, 0.0384639154854f, 0.0398110511069f, 0.0411853148367f,
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0.0425868605546f, 0.0440158408496f, 0.045472407048f, 0.046956709241f, 0.0484688963113f, 0.0500091159586f,
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0.0515775147244f, 0.0531742380159f, 0.0547994301291f, 0.0564532342711f, 0.058135792582f, 0.0598472461555f,
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0.0615877350593f, 0.063357398355f, 0.0651563741167f, 0.0669847994499f, 0.0688428105093f, 0.0707305425158f,
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0.0726481297741f, 0.0745957056885f, 0.0765734027789f, 0.0785813526965f, 0.0806196862387f, 0.0826885333636f,
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0.0847880232044f, 0.086918284083f, 0.0890794435236f, 0.0912716282659f, 0.0934949642776f, 0.0957495767668f,
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0.0980355901944f, 0.100353128286f, 0.102702314041f, 0.10508326975f, 0.107496116997f, 0.109940976678f,
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0.112417969007f, 0.114927213525f, 0.117468829116f, 0.120042934009f, 0.122649645793f, 0.125289081424f,
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0.127961357236f, 0.130666588944f, 0.13340489166f, 0.136176379898f, 0.138981167581f, 0.141819368051f,
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0.144691094076f, 0.147596457859f, 0.150535571041f, 0.153508544716f, 0.156515489432f, 0.1595565152f,
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0.1626317315f, 0.16574124729f, 0.168885171012f, 0.172063610595f, 0.175276673468f, 0.178524466557f,
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0.181807096302f, 0.185124668654f, 0.188477289086f, 0.191865062595f, 0.195288093712f, 0.198746486503f,
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0.202240344578f, 0.205769771096f, 0.209334868766f, 0.212935739858f, 0.216572486205f, 0.220245209207f,
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0.223954009837f, 0.227698988648f, 0.231480245773f, 0.235297880934f, 0.239151993444f, 0.243042682212f,
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0.246970045747f, 0.250934182163f, 0.254935189183f, 0.258973164144f, 0.263048203998f, 0.267160405319f,
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0.271309864307f, 0.27549667679f, 0.279720938228f, 0.283982743718f, 0.288282187998f, 0.292619365448f,
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0.296994370096f, 0.30140729562f, 0.305858235354f, 0.310347282289f, 0.314874529074f, 0.319440068025f,
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0.324043991126f, 0.32868639003f, 0.333367356062f, 0.338086980228f, 0.34284535321f, 0.347642565374f,
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0.352478706774f, 0.357353867148f, 0.36226813593f, 0.367221602246f, 0.372214354918f, 0.37724648247f,
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0.382318073128f, 0.387429214822f, 0.392579995191f, 0.397770501584f, 0.403000821062f, 0.408271040402f,
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0.413581246099f, 0.418931524369f, 0.424321961148f, 0.4297526421f, 0.435223652615f, 0.440735077813f,
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0.446287002544f, 0.451879511396f, 0.45751268869f, 0.463186618488f, 0.46890138459f, 0.474657070542f,
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0.480453759632f, 0.486291534897f, 0.492170479122f, 0.498090674843f, 0.50405220435f, 0.510055149687f,
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0.516099592656f, 0.522185614816f, 0.528313297489f, 0.534482721758f, 0.54069396847f, 0.546947118241f,
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0.553242251452f, 0.559579448254f, 0.565958788573f, 0.572380352104f, 0.578844218319f, 0.585350466467f,
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0.591899175574f, 0.598490424448f, 0.605124291677f, 0.611800855632f, 0.61852019447f, 0.625282386134f,
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0.632087508355f, 0.638935638652f, 0.645826854338f, 0.652761232515f, 0.659738850081f, 0.66675978373f,
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0.673824109951f, 0.680931905032f, 0.688083245062f, 0.695278205929f, 0.702516863324f, 0.709799292744f,
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0.717125569488f, 0.724495768663f, 0.731909965185f, 0.739368233777f, 0.746870648974f, 0.754417285121f,
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0.762008216379f, 0.76964351672f, 0.777323259932f, 0.785047519623f, 0.792816369214f, 0.800629881949f,
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0.80848813089f, 0.816391188922f, 0.824339128751f, 0.832332022907f, 0.840369943747f, 0.848452963452f,
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0.856581154031f, 0.864754587319f, 0.872973334984f, 0.881237468522f, 0.889547059261f, 0.897902178361f,
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0.906302896816f, 0.914749285456f, 0.923241414944f, 0.931779355781f, 0.940363178305f, 0.948992952695f,
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0.957668748966f, 0.966390636975f, 0.975158686423f
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};
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extern const float srgbToLinearLookupTable[256];
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class ColorUtils {
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public:
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