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Small speedup for sse version of WeightedStdToneCurve::BatchApply()

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This commit is contained in:
heckflosse
2019-01-16 15:16:16 +01:00
parent 23202d1f10
commit b3972dee37
1 changed files with 10 additions and 10 deletions
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20
rtengine/curves.h
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@@ -1159,10 +1159,6 @@ inline void WeightedStdToneCurve::BatchApply(const size_t start, const size_t en
const vfloat zd5v = F2V(0.5f);
const vfloat zd25v = F2V(0.25f);
float tmpr[4] ALIGNED16;
float tmpg[4] ALIGNED16;
float tmpb[4] ALIGNED16;
for (; i + 3 < end; i += 4) {
vfloat r_val = vclampf(LVF(r[i]), ZEROV, c65535v);
vfloat g_val = vclampf(LVF(g[i]), ZEROV, c65535v);
@@ -1179,12 +1175,16 @@ inline void WeightedStdToneCurve::BatchApply(const size_t start, const size_t en
vfloat r3 = Triangle(b_val, b3, r_val);
vfloat g3 = Triangle(b_val, b3, g_val);
STVF(tmpr[0], vclampf(r1 * zd5v + r2 * zd25v + r3 * zd25v, ZEROV, c65535v));
STVF(tmpg[0], vclampf(g1 * zd25v + g2 * zd5v + g3 * zd25v, ZEROV, c65535v));
STVF(tmpb[0], vclampf(b1 * zd25v + b2 * zd25v + b3 * zd5v, ZEROV, c65535v));
for (int j = 0; j < 4; ++j) {
setUnlessOOG(r[i+j], g[i+j], b[i+j], tmpr[j], tmpg[j], tmpb[j]);
}
vfloat r_old = LVF(r[i]);
vfloat g_old = LVF(g[i]);
vfloat b_old = LVF(b[i]);
vfloat r_new = vclampf(r1 * zd5v + r2 * zd25v + r3 * zd25v, ZEROV, c65535v);
vfloat g_new = vclampf(g1 * zd25v + g2 * zd5v + g3 * zd25v, ZEROV, c65535v);
vfloat b_new = vclampf(b1 * zd25v + b2 * zd25v + b3 * zd5v, ZEROV, c65535v);
setUnlessOOG(r_old, g_old, b_old, r_new, g_new, b_new);
STVF(r[i], r_old);
STVF(g[i], g_old);
STVF(b[i], b_old);
}
// Remainder in non-SSE.