/*
* The ManaPlus Client
* Copyright (C) 2011-2016 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* 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, see .
*/
std::vector::const_iterator it_end = mColors.end();
const size_t sz = mColors.size();
if (!sz || !pixels)
return;
if (sz % 2)
-- it_end;
const int mod = bufSize % 8;
const int bufEnd = bufSize - mod;
for (int ptr = 0; ptr < bufEnd; ptr += 8)
{
// __m256i base = _mm256_load_si256(reinterpret_cast<__m256i*>(pixels));
__m256i base = _mm256_loadu_si256(reinterpret_cast<__m256i*>(
&pixels[ptr]));
std::vector::const_iterator it = mColors.begin();
while (it != it_end)
{
const DyeColor &col = *it;
++ it;
const DyeColor &col2 = *it;
__m256i newMask = _mm256_set1_epi32(col2.valueA);
__m256i cmpMask = _mm256_set1_epi32(col.valueA);
__m256i cmpRes = _mm256_cmpeq_epi32(base, cmpMask);
__m256i srcAnd = _mm256_andnot_si256(cmpRes, base);
__m256i dstAnd = _mm256_and_si256(cmpRes, newMask);
base = _mm256_or_si256(srcAnd, dstAnd);
++ it;
}
// _mm256_store_si256(reinterpret_cast<__m256i*>(pixels), base);
_mm256_storeu_si256(reinterpret_cast<__m256i*>(&pixels[ptr]), base);
}
// complete end without simd
for (int ptr = bufSize - mod; ptr < bufSize; ptr ++)
{
uint8_t *const p = reinterpret_cast(&pixels[ptr]);
const unsigned int data = pixels[ptr];
std::vector::const_iterator it = mColors.begin();
while (it != it_end)
{
const DyeColor &col = *it;
++ it;
const DyeColor &col2 = *it;
const unsigned int coldata = (col.value[3]) |
(col.value[2] << 8U) |
(col.value[1] << 16U) |
(col.value[0] << 24U);
if (data == coldata)
{
p[3] = col2.value[0];
p[2] = col2.value[1];
p[1] = col2.value[2];
p[0] = col2.value[3];
break;
}
++ it;
}
}