dyepalette_replaceacolor.cpp

Go to the documentation of this file.

/*
 * The ManaPlus Client
 * Copyright (C) 2007-2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * 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/>.
 */
 
#include "resources/dye/dyepalette.h"
 
PRAGMA48(GCC diagnostic push)
PRAGMA48(GCC diagnostic ignored "-Wshadow")
#ifndef SDL_BIG_ENDIAN
#include <SDL_endian.h>
#endif // SDL_BYTEORDER
PRAGMA48(GCC diagnostic pop)
 
#ifdef SIMD_SUPPORTED
// avx2
#include <immintrin.h>
#endif // SIMD_SUPPORTED
 
#include "debug.h"
 
void DyePalette::replaceAColorDefault(uint32_t *restrict pixels,
 const int bufSize) const restrict2
{
 STD_VECTOR<DyeColor>::const_iterator it_end = mColors.end();
 const size_t sz = mColors.size();
 if ((sz == 0U) || (pixels == nullptr))
 return;
 if ((sz % 2) != 0U)
 -- it_end;
 
 for (const uint32_t *const p_end = pixels + CAST_SIZE(bufSize);
 pixels != p_end;
 ++pixels)
 {
 uint8_t *const p = reinterpret_cast<uint8_t *>(pixels);
 const unsigned int data = *pixels;
 
 STD_VECTOR<DyeColor>::const_iterator it = mColors.begin();
 while (it != it_end)
 {
 const DyeColor &col = *it;
 ++ it;
 const DyeColor &col2 = *it;
 
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
 const unsigned int coldata = (col.value[3] << 24U)
 | (col.value[2] << 16U)
 | (col.value[1] << 8U)
 | (col.value[0]);
#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
 const unsigned int coldata = (col.value[3])
 | (col.value[2] << 8U)
 | (col.value[1] << 16U) |
 (col.value[0] << 24U);
#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN
 
 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;
 }
 }
}
 
#ifdef SIMD_SUPPORTED
/*
static void print256(const char *const text, const __m256i &val);
static void print256(const char *const text, const __m256i &val)
{
 printf("%s 0x%016llx%016llx%016llx%016llx\n", text, val[0], val[1], val[2], val[3]);
}
*/
 
__attribute__ ((target ("sse2")))
void DyePalette::replaceAColorSse2(uint32_t *restrict pixels,
 const int bufSize) const restrict2
{
 STD_VECTOR<DyeColor>::const_iterator it_end = mColors.end();
 const size_t sz = mColors.size();
 if ((sz == 0U) || (pixels == nullptr))
 return;
 if ((sz % 2) != 0U)
 -- 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;
 }
 }
}
 
__attribute__ ((target ("avx2")))
void DyePalette::replaceAColorAvx2(uint32_t *restrict pixels,
 const int bufSize) const restrict2
{
 STD_VECTOR<DyeColor>::const_iterator it_end = mColors.end();
 const size_t sz = mColors.size();
 if ((sz == 0U) || (pixels == nullptr))
 return;
 if ((sz % 2) != 0U)
 -- 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<DyeColor>::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<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;
 }
 }
}
 
#endif // SIMD_SUPPORTED