summaryrefslogtreecommitdiff
path: root/src/resources
diff options
context:
space:
mode:
authorAndrei Karas <akaras@inbox.ru>2016-12-23 02:12:37 +0300
committerAndrei Karas <akaras@inbox.ru>2016-12-23 02:12:37 +0300
commit2a9a7f7f0aa63f351100e7040e5827c7e1ed4015 (patch)
tree30feef3dd6b62b42f07213db7d3e15cc3d7e0b61 /src/resources
parentf3729240770f5a18b22fe1992e3775161246d60d (diff)
downloadManaVerse-2a9a7f7f0aa63f351100e7040e5827c7e1ed4015.tar.gz
ManaVerse-2a9a7f7f0aa63f351100e7040e5827c7e1ed4015.tar.bz2
ManaVerse-2a9a7f7f0aa63f351100e7040e5827c7e1ed4015.tar.xz
ManaVerse-2a9a7f7f0aa63f351100e7040e5827c7e1ed4015.zip
Add s color dye function for sse2 (software).
Diffstat (limited to 'src/resources')
-rw-r--r--src/resources/dye/dyepalette.h35
-rw-r--r--src/resources/dye/dyepalette_replacescolor.cpp199
-rw-r--r--src/resources/dye/dyepalette_replacescolor_avx2.hpp95
-rw-r--r--src/resources/dye/dyepalette_replacescolor_default.hpp105
-rw-r--r--src/resources/dye/dyepalette_replacescolor_sse2.hpp95
5 files changed, 369 insertions, 160 deletions
diff --git a/src/resources/dye/dyepalette.h b/src/resources/dye/dyepalette.h
index 79bc03443..ede36eb6d 100644
--- a/src/resources/dye/dyepalette.h
+++ b/src/resources/dye/dyepalette.h
@@ -78,13 +78,48 @@ class DyePalette final
void replaceSColorSimd(uint32_t *restrict pixels,
const int bufSize) const restrict2;
+ /**
+ * replace colors for SDL for S dye.
+ */
+ FUNCTION_SIMD_DEFAULT
+ void replaceSColorSse2(uint32_t *restrict pixels,
+ const int bufSize) const restrict2;
+
+ /**
+ * replace colors for SDL for S dye.
+ */
+ FUNCTION_SIMD_DEFAULT
+ void replaceSColorAvx2(uint32_t *restrict pixels,
+ const int bufSize) const restrict2;
+
#ifdef SIMD_SUPPORTED
/**
* replace colors for SDL for S dye.
*/
+ __attribute__ ((target ("sse2")))
+ void replaceSColorSimd(uint32_t *restrict pixels,
+ const int bufSize) const restrict2;
+
+ /**
+ * replace colors for SDL for S dye.
+ */
__attribute__ ((target ("avx2")))
void replaceSColorSimd(uint32_t *restrict pixels,
const int bufSize) const restrict2;
+
+ /**
+ * replace colors for SDL for S dye.
+ */
+ __attribute__ ((target ("sse2")))
+ void replaceSColorSse2(uint32_t *restrict pixels,
+ const int bufSize) const restrict2;
+
+ /**
+ * replace colors for SDL for S dye.
+ */
+ __attribute__ ((target ("avx2")))
+ void replaceSColorAvx2(uint32_t *restrict pixels,
+ const int bufSize) const restrict2;
#endif // SIMD_SUPPORTED
/**
diff --git a/src/resources/dye/dyepalette_replacescolor.cpp b/src/resources/dye/dyepalette_replacescolor.cpp
index d6a058773..0dc78185b 100644
--- a/src/resources/dye/dyepalette_replacescolor.cpp
+++ b/src/resources/dye/dyepalette_replacescolor.cpp
@@ -1,5 +1,7 @@
/*
* The ManaPlus Client
+ * Copyright (C) 2007-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2016 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
@@ -37,98 +39,14 @@ void DyePalette::replaceSColor(uint32_t *restrict pixels,
#ifdef SIMD_SUPPORTED
replaceSColorSimd(pixels, bufSize);
#else // SIMD_SUPPORTED
- replaceSColorDefault(pixels, bufSize);
+#include "resources/dye/dyepalette_replacescolor_default.hpp"
#endif // SIMD_SUPPORTED
}
void DyePalette::replaceSColorDefault(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 || !pixels)
- return;
- if (sz % 2)
- -- it_end;
-
-#ifdef ENABLE_CILKPLUS
- cilk_for (int ptr = 0; ptr < bufSize; ptr ++)
- {
- uint8_t *const p = reinterpret_cast<uint8_t *>(&pixels[ptr]);
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- const unsigned int data = pixels[ptr] & 0x00ffffff;
-#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
-
- const unsigned int data = pixels[ptr] & 0xffffff00;
-#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN
-
- 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[2] << 16U)
- | (col.value[1] << 8U) | (col.value[0]);
-#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
- const unsigned int coldata = (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];
- break;
- }
- ++ it;
- }
- }
-#else // ENABLE_CILKPLUS
-
- for (const uint32_t *const p_end = pixels + CAST_SIZE(bufSize);
- pixels != p_end;
- ++ pixels)
- {
- uint8_t *const p = reinterpret_cast<uint8_t *>(pixels);
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- const unsigned int data = (*pixels) & 0x00ffffff;
-#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
-
- const unsigned int data = (*pixels) & 0xffffff00;
-#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN
-
- 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[2] << 16U)
- | (col.value[1] << 8U) | (col.value[0]);
-#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
-
- const unsigned int coldata = (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];
- break;
- }
-
- ++ it;
- }
- }
-#endif // ENABLE_CILKPLUS
+#include "resources/dye/dyepalette_replacescolor_default.hpp"
}
#ifdef SIMD_SUPPORTED
@@ -140,85 +58,32 @@ static void print256(const char *const text, const __m256i &val)
}
*/
-__attribute__ ((target ("avx2")))
+__attribute__ ((target ("sse2")))
void DyePalette::replaceSColorSimd(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 || !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 mask = _mm256_set1_epi32(0xffffff00);
-// __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 base2 = _mm256_and_si256(mask, base);
- __m256i newMask = _mm256_set1_epi32(col2.valueS);
- __m256i cmpMask = _mm256_set1_epi32(col.valueS);
- __m256i cmpRes = _mm256_cmpeq_epi32(base2, cmpMask);
- cmpRes = _mm256_and_si256(mask, cmpRes);
- __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]);
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- const unsigned int data = pixels[ptr] & 0x00ffffff;
-#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
-
- const unsigned int data = pixels[ptr] & 0xffffff00;
-#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN
-
- 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[2] << 16U)
- | (col.value[1] << 8U) | (col.value[0]);
-#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
+#include "resources/dye/dyepalette_replacescolor_sse2.hpp"
+}
- const unsigned int coldata = (col.value[2] << 8U)
- | (col.value[1] << 16U) | (col.value[0] << 24U);
-#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN
+__attribute__ ((target ("avx2")))
+void DyePalette::replaceSColorSimd(uint32_t *restrict pixels,
+ const int bufSize) const restrict2
+{
+#include "resources/dye/dyepalette_replacescolor_avx2.hpp"
+}
- if (data == coldata)
- {
- p[3] = col2.value[0];
- p[2] = col2.value[1];
- p[1] = col2.value[2];
- break;
- }
+__attribute__ ((target ("sse2")))
+void DyePalette::replaceSColorSse2(uint32_t *restrict pixels,
+ const int bufSize) const restrict2
+{
+#include "resources/dye/dyepalette_replacescolor_sse2.hpp"
+}
- ++ it;
- }
- }
+__attribute__ ((target ("avx2")))
+void DyePalette::replaceSColorAvx2(uint32_t *restrict pixels,
+ const int bufSize) const restrict2
+{
+#include "resources/dye/dyepalette_replacescolor_avx2.hpp"
}
#endif // SIMD_SUPPORTED
@@ -227,5 +92,19 @@ FUNCTION_SIMD_DEFAULT
void DyePalette::replaceSColorSimd(uint32_t *restrict pixels,
const int bufSize) const restrict2
{
- replaceSColorDefault(pixels, bufSize);
+#include "resources/dye/dyepalette_replacescolor_default.hpp"
+}
+
+FUNCTION_SIMD_DEFAULT
+void DyePalette::replaceSColorSse2(uint32_t *restrict pixels,
+ const int bufSize) const restrict2
+{
+#include "resources/dye/dyepalette_replacescolor_default.hpp"
+}
+
+FUNCTION_SIMD_DEFAULT
+void DyePalette::replaceSColorAvx2(uint32_t *restrict pixels,
+ const int bufSize) const restrict2
+{
+#include "resources/dye/dyepalette_replacescolor_default.hpp"
}
diff --git a/src/resources/dye/dyepalette_replacescolor_avx2.hpp b/src/resources/dye/dyepalette_replacescolor_avx2.hpp
new file mode 100644
index 000000000..aeed065f3
--- /dev/null
+++ b/src/resources/dye/dyepalette_replacescolor_avx2.hpp
@@ -0,0 +1,95 @@
+/*
+ * 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 <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 % 8;
+ const int bufEnd = bufSize - mod;
+
+ for (int ptr = 0; ptr < bufEnd; ptr += 8)
+ {
+ __m256i mask = _mm256_set1_epi32(0xffffff00);
+// __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 base2 = _mm256_and_si256(mask, base);
+ __m256i newMask = _mm256_set1_epi32(col2.valueS);
+ __m256i cmpMask = _mm256_set1_epi32(col.valueS);
+ __m256i cmpRes = _mm256_cmpeq_epi32(base2, cmpMask);
+ cmpRes = _mm256_and_si256(mask, cmpRes);
+ __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]);
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+ const unsigned int data = pixels[ptr] & 0x00ffffff;
+#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
+
+ const unsigned int data = pixels[ptr] & 0xffffff00;
+#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN
+
+ 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[2] << 16U)
+ | (col.value[1] << 8U) | (col.value[0]);
+#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
+
+ const unsigned int coldata = (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];
+ break;
+ }
+
+ ++ it;
+ }
+ }
diff --git a/src/resources/dye/dyepalette_replacescolor_default.hpp b/src/resources/dye/dyepalette_replacescolor_default.hpp
new file mode 100644
index 000000000..7f1e0fbc3
--- /dev/null
+++ b/src/resources/dye/dyepalette_replacescolor_default.hpp
@@ -0,0 +1,105 @@
+/*
+ * 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 <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;
+
+#ifdef ENABLE_CILKPLUS
+ cilk_for (int ptr = 0; ptr < bufSize; ptr ++)
+ {
+ uint8_t *const p = reinterpret_cast<uint8_t *>(&pixels[ptr]);
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+ const unsigned int data = pixels[ptr] & 0x00ffffff;
+#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
+
+ const unsigned int data = pixels[ptr] & 0xffffff00;
+#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN
+
+ 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[2] << 16U)
+ | (col.value[1] << 8U) | (col.value[0]);
+#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
+ const unsigned int coldata = (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];
+ break;
+ }
+ ++ it;
+ }
+ }
+#else // ENABLE_CILKPLUS
+
+ for (const uint32_t *const p_end = pixels + CAST_SIZE(bufSize);
+ pixels != p_end;
+ ++ pixels)
+ {
+ uint8_t *const p = reinterpret_cast<uint8_t *>(pixels);
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+ const unsigned int data = (*pixels) & 0x00ffffff;
+#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
+
+ const unsigned int data = (*pixels) & 0xffffff00;
+#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN
+
+ 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[2] << 16U)
+ | (col.value[1] << 8U) | (col.value[0]);
+#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
+
+ const unsigned int coldata = (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];
+ break;
+ }
+
+ ++ it;
+ }
+ }
+#endif // ENABLE_CILKPLUS
diff --git a/src/resources/dye/dyepalette_replacescolor_sse2.hpp b/src/resources/dye/dyepalette_replacescolor_sse2.hpp
new file mode 100644
index 000000000..2a232d3ef
--- /dev/null
+++ b/src/resources/dye/dyepalette_replacescolor_sse2.hpp
@@ -0,0 +1,95 @@
+/*
+ * 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 <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 % 8;
+ const int bufEnd = bufSize - mod;
+
+ for (int ptr = 0; ptr < bufEnd; ptr += 8)
+ {
+ __m128i mask = _mm_set1_epi32(0xffffff00);
+// __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 base2 = _mm_and_si128(mask, base);
+ __m128i newMask = _mm_set1_epi32(col2.valueS);
+ __m128i cmpMask = _mm_set1_epi32(col.valueS);
+ __m128i cmpRes = _mm_cmpeq_epi32(base2, cmpMask);
+ cmpRes = _mm_and_si128(mask, cmpRes);
+ __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]);
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+ const unsigned int data = pixels[ptr] & 0x00ffffff;
+#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
+
+ const unsigned int data = pixels[ptr] & 0xffffff00;
+#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN
+
+ 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[2] << 16U)
+ | (col.value[1] << 8U) | (col.value[0]);
+#else // SDL_BYTEORDER == SDL_BIG_ENDIAN
+
+ const unsigned int coldata = (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];
+ break;
+ }
+
+ ++ it;
+ }
+ }