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Improved performance in hypercrop variation

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This commit is contained in:
Michel Mastriani 2019-06-02 11:09:08 -03:00
parent def996d10c
commit 088d4656e4
1 changed files with 26 additions and 20 deletions
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42
Source/Ember/Variations07.h
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@ -2070,14 +2070,11 @@ public:
T fx = helper.In.x; T fx = helper.In.x;
T fy = helper.In.y; T fy = helper.In.y;
T fz = helper.In.z; T fz = helper.In.z;
T a0 = T(M_PI) / m_N; T angle = Floor<T>(helper.m_PrecalcAtanyx * m_Coeff) / m_Coeff + m_A0;
T len = 1 / Zeps(std::cos(a0)); T x0 = std::cos(angle) * m_Len;
T d = m_Rad * std::sin(a0) * len; T y0 = std::sin(angle) * m_Len;
T angle = Floor<T>(helper.m_PrecalcAtanyx * m_Coeff) / m_Coeff + T(M_PI) / m_N;
T x0 = std::cos(angle) * len;
T y0 = std::sin(angle) * len;
if (std::sqrt(Sqr(helper.In.x - x0) + Sqr(helper.In.y - y0)) < d) if (std::sqrt(Sqr(helper.In.x - x0) + Sqr(helper.In.y - y0)) < m_D)
{ {
if (m_Zero > 1.5) if (m_Zero > 1.5)
{ {
@ -2096,8 +2093,8 @@ public:
else else
{ {
T rangle = std::atan2(helper.In.y - y0, helper.In.x - x0); T rangle = std::atan2(helper.In.y - y0, helper.In.x - x0);
fx = x0 + std::cos(rangle) * d; fx = x0 + std::cos(rangle) * m_D;
fy = y0 + std::sin(rangle) * d; fy = y0 + std::sin(rangle) * m_D;
fz = 0; fz = 0;
} }
} }
@ -2119,20 +2116,20 @@ public:
string rad = "parVars[" + ToUpper(m_Params[i++].Name()) + index; string rad = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
string zero = "parVars[" + ToUpper(m_Params[i++].Name()) + index; string zero = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
string coeff = "parVars[" + ToUpper(m_Params[i++].Name()) + index; string coeff = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
string a0 = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
string len = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
string d = "parVars[" + ToUpper(m_Params[i++].Name()) + index;
ss << "\t{\n" ss << "\t{\n"
<< "\t\treal_t fx = vIn.x;\n" << "\t\treal_t fx = vIn.x;\n"
<< "\t\treal_t fy = vIn.y;\n" << "\t\treal_t fy = vIn.y;\n"
<< "\t\treal_t fz = vIn.z;\n" << "\t\treal_t fz = vIn.z;\n"
<< "\t\treal_t a0 = MPI / " << n << ";\n" << "\t\treal_t angle = floor(precalcAtanyx * " << coeff << ") / " << coeff << " + " << a0 << ";\n"
<< "\t\treal_t len = 1 / Zeps(cos(a0));\n" << "\t\treal_t x0 = cos(angle) * " << len << ";\n"
<< "\t\treal_t d = " << rad << " * sin(a0) * len;\n" << "\t\treal_t y0 = sin(angle) * " << len << ";\n"
<< "\t\treal_t angle = floor(precalcAtanyx * " << coeff << ") / " << coeff << " + MPI / " << n << ";\n"
<< "\t\treal_t x0 = cos(angle) * len;\n"
<< "\t\treal_t y0 = sin(angle) * len;\n"
<< "\t\treal_t xmx = vIn.x - x0;\n" << "\t\treal_t xmx = vIn.x - x0;\n"
<< "\t\treal_t ymy = vIn.y - y0;\n" << "\t\treal_t ymy = vIn.y - y0;\n"
<< "\n" << "\n"
<< "\t\tif (sqrt(fma(xmx, xmx, SQR(ymy))) < d)\n" << "\t\tif (sqrt(fma(xmx, xmx, SQR(ymy))) < " << d << ")\n"
<< "\t\t{\n" << "\t\t{\n"
<< "\t\t if (" << zero << " > 1.5)\n" << "\t\t if (" << zero << " > 1.5)\n"
<< "\t\t {\n" << "\t\t {\n"
@ -2151,8 +2148,8 @@ public:
<< "\t\t else\n" << "\t\t else\n"
<< "\t\t {\n" << "\t\t {\n"
<< "\t\t real_t rangle = atan2(vIn.y - y0, vIn.x - x0);\n" << "\t\t real_t rangle = atan2(vIn.y - y0, vIn.x - x0);\n"
<< "\t\t fx = fma(cos(rangle), d, x0);\n" << "\t\t fx = fma(cos(rangle), " << d << ", x0);\n"
<< "\t\t fy = fma(sin(rangle), d, y0);\n" << "\t\t fy = fma(sin(rangle), " << d << ", y0);\n"
<< "\t\t fz = 0;\n" << "\t\t fz = 0;\n"
<< "\t\t }\n" << "\t\t }\n"
<< "\t\t }\n" << "\t\t }\n"
@ -2169,6 +2166,9 @@ public:
{ {
m_N = Zeps(m_N); m_N = Zeps(m_N);
m_Coeff = Zeps<T>(m_N * T(0.5) / T(M_PI)); m_Coeff = Zeps<T>(m_N * T(0.5) / T(M_PI));
m_A0 = T(M_PI) / m_N;
m_Len = 1 / Zeps(std::cos(m_A0));
m_D = m_Rad * std::sin(m_A0) * m_Len;
} }
virtual vector<string> OpenCLGlobalFuncNames() const override virtual vector<string> OpenCLGlobalFuncNames() const override
@ -2185,6 +2185,9 @@ protected:
m_Params.push_back(ParamWithName<T>(&m_Rad, prefix + "hypercrop_rad", 1)); m_Params.push_back(ParamWithName<T>(&m_Rad, prefix + "hypercrop_rad", 1));
m_Params.push_back(ParamWithName<T>(&m_Zero, prefix + "hypercrop_zero")); m_Params.push_back(ParamWithName<T>(&m_Zero, prefix + "hypercrop_zero"));
m_Params.push_back(ParamWithName<T>(true, &m_Coeff, prefix + "hypercrop_coeff"));//Precalc. m_Params.push_back(ParamWithName<T>(true, &m_Coeff, prefix + "hypercrop_coeff"));//Precalc.
m_Params.push_back(ParamWithName<T>(true, &m_A0, prefix + "hypercrop_a0"));//Precalc.
m_Params.push_back(ParamWithName<T>(true, &m_Len, prefix + "hypercrop_len"));//Precalc.
m_Params.push_back(ParamWithName<T>(true, &m_D, prefix + "hypercrop_d"));//Precalc.
} }
private: private:
@ -2192,6 +2195,9 @@ private:
T m_Rad; T m_Rad;
T m_Zero; T m_Zero;
T m_Coeff;//Precalc. T m_Coeff;//Precalc.
T m_A0;
T m_Len;
T m_D;
}; };
/// <summary> /// <summary>