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Further small speedup for vignette and gradient

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This commit is contained in:
heckflosse
2016-12-13 15:13:03 +01:00
parent 2c7325b2fd
commit db2c01af02
1 changed files with 4 additions and 4 deletions
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8
rtengine/iptransform.cc
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@@ -444,7 +444,7 @@ static float calcGradientFactor(const struct grad_params& gp, int x, int y)
val = 1.f - val;
}
val *= (M_PI / 2);
val *= M_PIf_2;
if (gp.scale < 1.f) {
val = pow3(xsinf(val));
@@ -468,7 +468,7 @@ static float calcGradientFactor(const struct grad_params& gp, int x, int y)
val = gp.bright_top ? 1.f - val : val;
val *= (M_PI / 2);
val *= M_PIf_2;
if (gp.scale < 1.f) {
val = pow3(xsinf(val));
@@ -590,7 +590,7 @@ static float calcPCVignetteFactor(const struct pcv_params& pcv, int x, int y)
std::swap(a, b);
}
float dist = sqrtf(a * a + b * b);
float dist = normn(a, b, 2);
float dist_oe, dist_ie;
float2 sincosval;
@@ -623,7 +623,7 @@ static float calcPCVignetteFactor(const struct pcv_params& pcv, int x, int y)
if (dist >= dist_oe) {
val = pcv.scale;
} else {
val = (M_PI / 2) * (dist - dist_ie) / (dist_oe - dist_ie);
val = M_PIf_2 * (dist - dist_ie) / (dist_oe - dist_ie);
if (pcv.scale < 1.f) {
val = pow4(xcosf(val));