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/*
* The ManaPlus Client
* Copyright (C) 2011-2017 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 <http://www.gnu.org/licenses/>.
*/
std::vector<DyeColor>::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 % 4;
const int bufEnd = bufSize - mod;
for (int ptr = 0; ptr < bufEnd; ptr += 4)
{
// __m128i base = _mm_load_si128(reinterpret_cast<__m128i*>(pixels));
__m128i base = _mm_loadu_si128(reinterpret_cast<__m128i*>(
&pixels[ptr]));
std::vector<DyeColor>::const_iterator it = mColors.begin();
while (it != it_end)
{
const DyeColor &col = *it;
++ it;
const DyeColor &col2 = *it;
__m128i newMask = _mm_set1_epi32(col2.valueA);
__m128i cmpMask = _mm_set1_epi32(col.valueA);
__m128i cmpRes = _mm_cmpeq_epi32(base, cmpMask);
__m128i srcAnd = _mm_andnot_si128(cmpRes, base);
__m128i dstAnd = _mm_and_si128(cmpRes, newMask);
base = _mm_or_si128(srcAnd, dstAnd);
++ it;
}
// _mm_store_si128(reinterpret_cast<__m128i*>(pixels), base);
_mm_storeu_si128(reinterpret_cast<__m128i*>(&pixels[ptr]), base);
}
// complete end without simd
for (int ptr = bufSize - mod; ptr < bufSize; ptr ++)
{
uint8_t *const p = reinterpret_cast<uint8_t *>(&pixels[ptr]);
const unsigned int data = pixels[ptr];
std::vector<DyeColor>::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;
}
}
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