mirror-github-bspeice/fractorium
1
0
Fork 0
mirror of https://bitbucket.org/mfeemster/fractorium.git synced 2025-07-01 05:46:06 -04:00
Code Issues Actions Packages Projects Releases Wiki Activity

--Code changes

Browse Source 
-Add vignette variation.
This commit is contained in:
Person
2020-07-30 19:55:37 -07:00
parent 54610ab73d
commit 99cc597abc
15 changed files with 217 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
Source/Ember/Ember.cpp
View File

@ -496,6 +496,7 @@ uint Timing::m_ProcessorCount;
EXPORTPREPOSTREGVAR(Gnarly, T) \
EXPORTPREPOSTREGVAR(Inkdrop, T) \
EXPORTPREPOSTREGVAR(HexModulus, T) \
EXPORTPREPOSTREGVAR(Vignette, T) \
template EMBER_API class VariationList<T>; \
template EMBER_API class SpatialFilter<T>; \
template EMBER_API class GaussianFilter<T>; \

2
Source/Ember/EmberDefines.h
View File

@ -37,7 +37,7 @@ static void sincos(float x, float* s, float* c)
namespace EmberNs
{
#define EMBER_VERSION "1.0.0.20"
#define EMBER_VERSION "1.0.0.21"
//#define FLAM3_COMPAT 1//Uncomment this if you want full compatibility with flam3 regarding some of the trig-based variations in Variations01.h
#define EPS6 T(1e-6)
#define EPS std::numeric_limits<T>::epsilon()//Apoplugin.h uses -20, but it's more mathematically correct to do it this way.

3
Source/Ember/Variation.h
View File

@ -433,6 +433,7 @@ enum class eVariationId : glm::uint
VAR_UNPOLAR ,
VAR_VIBRATION,
VAR_VIBRATION2,
VAR_VIGNETTE,
VAR_VORON,
VAR_W ,
VAR_WAFFLE,
@ -849,6 +850,7 @@ enum class eVariationId : glm::uint
VAR_PRE_UNPOLAR,
VAR_PRE_VIBRATION,
VAR_PRE_VIBRATION2,
VAR_PRE_VIGNETTE,
VAR_PRE_VORON,
VAR_PRE_W,
VAR_PRE_WAFFLE,
@ -1265,6 +1267,7 @@ enum class eVariationId : glm::uint
VAR_POST_UNPOLAR,
VAR_POST_VIBRATION,
VAR_POST_VIBRATION2,
VAR_POST_VIGNETTE,
VAR_POST_VORON,
VAR_POST_W,
VAR_POST_WAFFLE,

1
Source/Ember/VariationList.cpp
View File

@ -439,6 +439,7 @@ VariationList<T>::VariationList()
ADDPREPOSTREGVAR(Gnarly)
ADDPREPOSTREGVAR(Inkdrop)
ADDPREPOSTREGVAR(HexModulus)
ADDPREPOSTREGVAR(Vignette)
//ADDPREPOSTREGVAR(LinearXZ)
//ADDPREPOSTREGVAR(LinearYZ)
//DC are special.

194
Source/Ember/Variations07.h
View File

@ -7564,6 +7564,199 @@ private:
T m_Yfact001;//Precalc.
};
/// <summary>
/// vignette by Bezo97.
/// </summary>
template <typename T>
class VignetteVariation : public ParametricVariation<T>
{
public:
VignetteVariation(T weight = 1.0) : ParametricVariation<T>("vignette", eVariationId::VAR_VIGNETTE, weight)
{
Init();
}
PARVARCOPY(VignetteVariation)
virtual void Func(IteratorHelper<T>& helper, Point<T>& outPoint, QTIsaac<ISAAC_SIZE, ISAAC_INT>& rand) override
{
T px = helper.In.x;
T py = helper.In.y;
T dist = std::sqrt((px - m_Posx) * (px - m_Posx) + (py - m_Posy) * (py - m_Posy));
if (dist < m_InnerabsPrecalc)
{
helper.Out.z = DefaultZ(helper);
//middle part
if (m_Innerradius < 0.0)
{
helper.Out.x = 0;
helper.Out.y = 0;
return;
}
helper.Out.x = px * m_Weight;
helper.Out.y = py * m_Weight;
return;
}
//map to 0-1
dist = (dist - m_InnerabsPrecalc) / m_FadeabsPrecalc;
T fade = T(1.0) - std::pow(rand.Frand01<T>(), m_PowerhelperPrecalc);
T blur_r = m_Blur * std::pow(dist * rand.Frand01<T>(), T(2.0));
T blur_a = rand.Frand01<T>() * M_2PI;
if (m_Faderadius > 0)
{
//vignette
if (fade < dist)
{
px = 0;
py = 0;
}
else
{
px += blur_r * std::cos(blur_a);
py += blur_r * std::sin(blur_a);
}
}
else
{
//inverse vignette
if (1 - fade > dist)
{
px = 0;
py = 0;
}
else
{
px += blur_r * std::cos(blur_a);
py += blur_r * std::sin(blur_a);
}
}
helper.Out.x = px * m_Weight;
helper.Out.y = py * m_Weight;
helper.Out.z = DefaultZ(helper);
}
virtual string OpenCLString() const override
{
ostringstream ss, ss2;
intmax_t i = 0, varIndex = IndexInXform();
ss2 << "_" << XformIndexInEmber() << "]";
string index = ss2.str();
string weight = WeightDefineString();
string posx = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
string posy = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
string innerradius = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
string faderadius = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
string power = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
string blur = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
string innerabsprecalc = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
string fadeabsprecalc = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
string powerhelperprecalc = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
ss << "\t{\n"
<< "\t\treal_t px = vIn.x;\n"
<< "\t\treal_t py = vIn.y;\n"
<< "\t\treal_t dist = sqrt((px - " << posx << ") * (px - " << posx << ") + (py - " << posy << ") * (py - " << posy << "));\n"
<< "\n"
<< "\t\tif (dist < " << innerabsprecalc << ")\n"
<< "\t\t{\n"
<< "\t\t\tvOut.z = " << DefaultZCl()
<< "\n"
<< "\t\t\tif (" << innerradius << " < (real_t)(0.0))\n"
<< "\t\t\t{\n"
<< "\t\t\t\tvOut.x = (real_t)(0.0);\n"
<< "\t\t\t\tvOut.y = (real_t)(0.0);\n"
<< "\t\t\t\treturn;\n"
<< "\t\t\t}\n"
<< "\n"
<< "\t\t\tvOut.x = px * " << weight << ";\n"
<< "\t\t\tvOut.y = py * " << weight << ";\n"
<< "\t\t}\n"
<< "\n"
<< "\t\tdist = (dist - " << innerabsprecalc << ") / " << fadeabsprecalc << ";\n"
<< "\n"
<< "\t\treal_t fade = (real_t)(1.0) - pow(MwcNext01(mwc), " << powerhelperprecalc << ");\n"
<< "\t\treal_t blur_r = " << blur << " * pow(dist * MwcNext01(mwc), (real_t)(2.0));\n"
<< "\t\treal_t blur_a = MwcNext01(mwc) * M_2PI;\n"
<< "\n"
<< "\t\tif (" << faderadius << " > 0.0)\n"
<< "\t\t{\n"
<< "\t\t\tif (fade < dist)\n"
<< "\t\t\t{\n"
<< "\t\t\t\tpx = (real_t)(0.0);\n"
<< "\t\t\t\tpy = (real_t)(0.0);\n"
<< "\t\t\t}\n"
<< "\t\t\telse\n"
<< "\t\t\t{\n"
<< "\t\t\t\tpx += blur_r * cos(blur_a);\n"
<< "\t\t\t\tpy += blur_r * sin(blur_a);\n"
<< "\t\t\t}\n"
<< "\t\t}\n"
<< "\t\telse\n"
<< "\t\t{\n"
<< "\t\t\tif (1 - fade > dist)\n"
<< "\t\t\t{\n"
<< "\t\t\t\tpx = (real_t)(0.0);\n"
<< "\t\t\t\tpy = (real_t)(0.0);\n"
<< "\t\t\t}\n"
<< "\t\t\telse\n"
<< "\t\t\t{\n"
<< "\t\t\t\tpx += blur_r * cos(blur_a);\n"
<< "\t\t\t\tpy += blur_r * sin(blur_a);\n"
<< "\t\t\t}\n"
<< "\t\t}\n"
<< "\n"
<< "\t\tvOut.x = px * " << weight << ";\n"
<< "\t\tvOut.y = py * " << weight << ";\n"
<< "\t\tvOut.z = " << DefaultZCl()
<< "\t}\n";
return ss.str();
}
virtual void Precalc() override
{
m_InnerabsPrecalc = std::abs(m_Innerradius);
m_FadeabsPrecalc = std::abs(m_Faderadius);
m_PowerhelperPrecalc = T(1.0) / std::abs(m_Power);
}
virtual vector<string> OpenCLGlobalFuncNames() const override
{
return vector<string> { "Zeps" };
}
protected:
void Init()
{
string prefix = Prefix();
m_Params.clear();
m_Params.push_back(ParamWithName<T>(&m_Posx, prefix + "vignette_posx"));
m_Params.push_back(ParamWithName<T>(&m_Posy, prefix + "vignette_posy"));
m_Params.push_back(ParamWithName<T>(&m_Innerradius, prefix + "vignette_inner_radius", T(0.5)));
m_Params.push_back(ParamWithName<T>(&m_Faderadius, prefix + "vignette_fade_radius", T(0.5), eParamType::REAL_NONZERO));
m_Params.push_back(ParamWithName<T>(&m_Power, prefix + "vignette_power", T(4.0), eParamType::REAL_NONZERO));
m_Params.push_back(ParamWithName<T>(&m_Blur, prefix + "vignette_blur", T(1.0)));
m_Params.push_back(ParamWithName<T>(true, &m_InnerabsPrecalc, prefix + "vignette_inner_abs_precalc"));//Precalc.
m_Params.push_back(ParamWithName<T>(true, &m_FadeabsPrecalc, prefix + "vignette_fade_abs_precalc"));
m_Params.push_back(ParamWithName<T>(true, &m_PowerhelperPrecalc, prefix + "vignette_power_helper_precalc"));
}
private:
T m_Posx;
T m_Posy;
T m_Innerradius;
T m_Faderadius;
T m_Power;
T m_Blur;
T m_InnerabsPrecalc;//Precalc.
T m_FadeabsPrecalc;
T m_PowerhelperPrecalc;
};
MAKEPREPOSTPARVAR(Splits3D, splits3D, SPLITS3D)
MAKEPREPOSTPARVAR(Waves2B, waves2b, WAVES2B)
MAKEPREPOSTPARVAR(JacCn, jac_cn, JAC_CN)
@ -7634,4 +7827,5 @@ MAKEPREPOSTPARVAR(Waves23, waves23, WAVES23)
MAKEPREPOSTPARVAR(Waves42, waves42, WAVES42)
MAKEPREPOSTPARVAR(Waves3, waves3, WAVES3)
MAKEPREPOSTPARVAR(Waves4, waves4, WAVES4)
MAKEPREPOSTPARVAR(Vignette, vignette, VIGNETTE)
}