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Conversions-avx512.cpp
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Conversions-avx512.cpp
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/*
FFT3DFilter plugin for Avisynth 2.6 - 3D Frequency Domain filter
Derived from C version of function. (Copyright(C)2004-2006 A.G.Balakhnin aka Fizick, bag@hotmail.ru, http://avisynth.org.ru)
Copyright(C) 2018 Daniel Klíma aka Klimax
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as published by
the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "fft3dfilter.h"
#include <intrin.h>
//
//-----------------------------------------------------------------------------------------
// make destination frame plane from overlaped blocks
// use synthesis windows wsynxl, wsynxr, wsynyl, wsynyr
void FFT3DFilter::DecodeOverlapPlane_AVX512(const float *__restrict inp0, BYTE *__restrict dstp0) noexcept
{
int w(0);
BYTE *__restrict dstp = dstp0;// + (hrest/2)*coverpitch + wrest/2; // centered
const float *__restrict inp = inp0;
const int dbwow = bw - ow;
const int dbwow16 = dbwow - dbwow % 16;
const int d2bwow = dbwow - ow;
const int d2bwow16 = d2bwow - d2bwow % 16;
const int ow16 = ow - ow % 16;
const int ow4 = ow - ow % 4;
const __m512 norm16 = _mm512_set1_ps(norm);
const __m512i planebase16 = _mm512_set1_epi32(planeBase);
const int xoffset = bh * bw - dbwow;
const int yoffset = bw * nox*bh - bw * (bh - oh); // vertical offset of same block (overlap)
// first top big non-overlapped) part
{
for (int h = 0; h < bh - oh; h++)
{
inp = inp0 + h * bw;
for (w = 0; w < dbwow16; w = w + 16) // first half line of first block
{ // Copy each byte from float array to dest with windows
const __m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), norm16);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFF, r1i);
}
for (; w < dbwow; w++) // first half line of first block
{ // Copy each byte from float array to dest with windows
dstp[w] = (BYTE)min(255, max(0, (int)(inp[w] * norm) + planeBase));
}
inp += dbwow;
dstp += dbwow;
for (int ihx = 1; ihx < nox; ihx++) // middle horizontal half-blocks
{
for (w = 0; w < ow16; w = w + 16) // half line of block
{
__m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), _mm512_load_ps(&wsynxr[w]));
const __m512 r3 = _mm512_mul_ps(_mm512_load_ps(&inp[w + xoffset]), _mm512_load_ps(&wsynxl[w]));
r1 = _mm512_add_ps(r1, r3);
r1 = _mm512_mul_ps(r1, norm16);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFFFF, r1i);
}
for (; w < ow; w++) // half line of block
{
dstp[w] = (BYTE)min(255, max(0, ((inp[w] * wsynxr[w] + inp[w + xoffset] * wsynxl[w])*norm) + planeBase)); // overlapped Copy
}
inp += xoffset + ow;
dstp += ow;
for (w = 0; w < d2bwow16; w = w + 16) // last half line of last block
{
const __m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), norm16);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFFFF, r1i);
}
for (; w < d2bwow; w++) // first half line of first block
{
dstp[w] = (BYTE)min(255, max(0, (inp[w] * norm) + planeBase)); // Copy each byte from float array to dest with windows
}
inp += d2bwow;
dstp += d2bwow;
}
for (w = 0; w < ow16; w = w + 16) // first half line of first block
{ // Copy each byte from float array to dest with windows
const __m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), norm16);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFF, r1i);
}
for (; w < ow; w++) // last half line of last block
{
dstp[w] = (BYTE)min(255, max(0, (inp[w] * norm) + planeBase));
}
inp += ow;
dstp += ow;
dstp += (coverpitch - coverwidth); // Add the pitch of one line (in bytes) to the dest image.
}
}
for (int ihy = 1; ihy < noy; ihy += 1) // middle vertical
{
for (int h = 0; h < oh; h++) // top overlapped part
{
inp = inp0 + (ihy - 1)*(yoffset + (bh - oh)*bw) + (bh - oh)*bw + h * bw;
const float wsynyrh = wsynyr[h] * norm; // remove from cycle for speed
const float wsynylh = wsynyl[h] * norm;
const __m128 wsynyrh4 = _mm_broadcast_ss(&wsynyrh), wsynylh4 = _mm_broadcast_ss(&wsynylh);
const __m512 wsynyrh16 = _mm512_broadcastss_ps(wsynyrh4), wsynylh16 = _mm512_broadcastss_ps(wsynylh4);
for (w = 0; w < dbwow16; w = w + 16) // first half line of first block
{
__m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), wsynyrh16);
const __m512 r3 = _mm512_mul_ps(_mm512_load_ps(&inp[w + yoffset]), wsynylh16);
r1 = _mm512_add_ps(r1, r3);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFFFF, r1i);
}
for (; w < dbwow; w++) // first half line of first block
{
dstp[w] = (BYTE)min(255, max(0, ((inp[w] * wsynyrh + inp[w + yoffset] * wsynylh)) + planeBase)); //
}
inp += dbwow;
dstp += dbwow;
for (int ihx = 1; ihx < nox; ihx++) // middle blocks
{
for (w = 0; w < ow4; w = w + 4) // half overlapped line of block ; AVX processing fails because of offsets...
{
__m128 r1 = _mm_mul_ps(_mm_load_ps(&inp[w]), _mm_load_ps(&wsynxr[w]));
const __m128 r3 = _mm_mul_ps(_mm_load_ps(&inp[w + xoffset]), _mm_load_ps(&wsynxl[w]));
__m128 r6 = _mm_mul_ps(_mm_load_ps(&inp[w + yoffset]), _mm_load_ps(&wsynxr[w]));
const __m128 r8 = _mm_mul_ps(_mm_load_ps(&inp[w + xoffset + yoffset]), _mm_load_ps(&wsynxl[w]));
r1 = _mm_add_ps(r1, r3);
r6 = _mm_add_ps(r6, r8);
r1 = _mm_mul_ps(r1, wsynyrh4);
r6 = _mm_mul_ps(r6, wsynylh4);
r1 = _mm_add_ps(r1, r6);
const __m128i r1i = _mm_add_epi32(_mm_cvtps_epi32(r1), _mm_set1_epi32(planeBase));
_mm_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFF, r1i);
}
for (; w < ow; w++) // half overlapped line of block
{
dstp[w] = (BYTE)min(255, max(0, (((inp[w] * wsynxr[w] + inp[w + xoffset] * wsynxl[w])*wsynyrh
+ (inp[w + yoffset] * wsynxr[w] + inp[w + xoffset + yoffset] * wsynxl[w])*wsynylh)) + planeBase)); // x overlapped
}
inp += xoffset + ow;
dstp += ow;
for (w = 0; w < d2bwow16; w = w + 16) // last half line of last block
{
__m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), wsynyrh16);
const __m512 r2 = _mm512_mul_ps(_mm512_load_ps(&inp[w + yoffset]), wsynylh16);
r1 = _mm512_add_ps(r1, r2);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFFFF, r1i);
}
for (; w < d2bwow; w++) // double minus - half non-overlapped line of block
{
dstp[w] = (BYTE)min(255, max(0, ((inp[w] * wsynyrh + inp[w + yoffset] * wsynylh)) + planeBase));
}
inp += d2bwow;
dstp += d2bwow;
}
for (w = 0; w < ow16; w = w + 16) // last half line of last block
{
__m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), wsynyrh16);
const __m512 r3 = _mm512_mul_ps(_mm512_load_ps(&inp[w + yoffset]), wsynylh16);
r1 = _mm512_add_ps(r1, r3);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFFFF, r1i);
}
for (; w < ow; w++) // last half line of last block
{
dstp[w] = (BYTE)min(255, max(0, ((inp[w] * wsynyrh + inp[w + yoffset] * wsynylh)) + planeBase));
}
inp += ow;
dstp += ow;
dstp += (coverpitch - coverwidth); // Add the pitch of one line (in bytes) to the source image.
}
// middle vertical non-ovelapped part
for (int h = 0; h < (bh - oh - oh); h++)
{
inp = inp0 + (ihy - 1)*(yoffset + (bh - oh)*bw) + (bh)*bw + h * bw + yoffset;
for (w = 0; w < dbwow; w++) // first half line of first block
{
dstp[w] = (BYTE)min(255, max(0, ((inp[w])*norm) + planeBase));
}
inp += dbwow;
dstp += dbwow;
for (int ihx = 1; ihx < nox; ihx++) // middle blocks
{
for (w = 0; w < ow16; w = w + 16) // half line of block
{
__m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), _mm512_load_ps(&wsynxr[w]));
const __m512 r3 = _mm512_mul_ps(_mm512_load_ps(&inp[w + xoffset]), _mm512_load_ps(&wsynxl[w]));
r1 = _mm512_add_ps(r1, r3);
r1 = _mm512_mul_ps(r1, norm16);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFFFF, r1i);
}
for (; w < ow; w++) // half overlapped line of block
{
dstp[w] = (BYTE)min(255, max(0, ((inp[w] * wsynxr[w] + inp[w + xoffset] * wsynxl[w])*norm) + planeBase)); // x overlapped
}
inp += xoffset + ow;
dstp += ow;
for (w = 0; w < d2bwow16; w = w + 16) // last half line of last block
{
const __m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), norm16);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFFFF, r1i);
}
for (; w < d2bwow; w++) // half non-overlapped line of block
{
dstp[w] = (BYTE)min(255, max(0, ((inp[w])*norm) + planeBase));
}
inp += d2bwow;
dstp += d2bwow;
}
for (w = 0; w < ow16; w = w + 16) // first half line of first block
{ // Copy each byte from float array to dest with windows
const __m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), norm16);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFF, r1i);
}
for (; w < ow; w++) // last half line of last block
{
dstp[w] = (BYTE)min(255, max(0, ((inp[w])*norm) + planeBase));
}
inp += ow;
dstp += ow;
dstp += (coverpitch - coverwidth); // Add the pitch of one line (in bytes) to the source image.
}
}
const int ihy = noy; // last bottom part
{
for (int h = 0; h < oh; h++)
{
inp = inp0 + (ihy - 1)*(yoffset + (bh - oh)*bw) + (bh - oh)*bw + h * bw;
for (w = 0; w < dbwow16; w = w + 16) // first half line of first block
{ // Copy each byte from float array to dest with windows
const __m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), norm16);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFFFF, r1i);
}
for (; w < dbwow; w++) // first half line of first block
{
dstp[w] = (BYTE)min(255, max(0, (inp[w] * norm) + planeBase));
}
inp += dbwow;
dstp += dbwow;
for (int ihx = 1; ihx < nox; ihx++) // middle blocks
{
for (w = 0; w < ow16; w = w + 16) // half line of block
{
__m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), _mm512_load_ps(&wsynxr[w]));
const __m512 r3 = _mm512_mul_ps(_mm512_load_ps(&inp[w + xoffset]), _mm512_load_ps(&wsynxl[w]));
r1 = _mm512_add_ps(r1, r3);
r1 = _mm512_mul_ps(r1, norm16);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFFFF, r1i);
}
for (; w < ow; w++) // half line of block
{
dstp[w] = (BYTE)min(255, max(0, ((inp[w] * wsynxr[w] + inp[w + xoffset] * wsynxl[w])*norm) + planeBase)); // overlapped Copy
}
inp += xoffset + ow;
dstp += ow;
for (w = 0; w < d2bwow16; w = w + 16) // last half line of last block
{
const __m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), norm16);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFFFF, r1i);
}
for (; w < d2bwow; w++) // half line of block
{
dstp[w] = (BYTE)min(255, max(0, ((inp[w])*norm) + planeBase));
}
inp += d2bwow;
dstp += d2bwow;
}
for (w = 0; w < ow16; w = w + 16) // first half line of first block
{ // Copy each byte from float array to dest with windows
const __m512 r1 = _mm512_mul_ps(_mm512_load_ps(&inp[w]), norm16);
const __m512i r1i = _mm512_add_epi32(_mm512_cvtps_epi32(r1), planebase16);
_mm512_mask_cvtusepi32_storeu_epi8(&dstp[w], 0xFFFF, r1i);
}
for (; w < ow; w++) // last half line of last block
{
dstp[w] = (BYTE)min(255, max(0, (inp[w] * norm) + planeBase));
}
inp += ow;
dstp += ow;
dstp += (coverpitch - coverwidth); // Add the pitch of one line (in bytes) to the source image.
}
}
}