diff -r 000000000000 -r 1918ee327afb src/gui/painting/qdrawhelper_sse2.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/gui/painting/qdrawhelper_sse2.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,211 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include + +#ifdef QT_HAVE_SSE2 + +#include + +#ifdef QT_LINUXBASE +// this is an evil hack - the posix_memalign declaration in LSB +// is wrong - see http://bugs.linuxbase.org/show_bug.cgi?id=2431 +# define posix_memalign _lsb_hack_posix_memalign +# include +# undef posix_memalign +#else +# include +#endif + +QT_BEGIN_NAMESPACE + +void qt_memfill32_sse2(quint32 *dest, quint32 value, int count) +{ + if (count < 7) { + switch (count) { + case 6: *dest++ = value; + case 5: *dest++ = value; + case 4: *dest++ = value; + case 3: *dest++ = value; + case 2: *dest++ = value; + case 1: *dest = value; + } + return; + }; + + const int align = (quintptr)(dest) & 0xf; + switch (align) { + case 4: *dest++ = value; --count; + case 8: *dest++ = value; --count; + case 12: *dest++ = value; --count; + } + + int count128 = count / 4; + __m128i *dst128 = reinterpret_cast<__m128i*>(dest); + const __m128i value128 = _mm_set_epi32(value, value, value, value); + + int n = (count128 + 3) / 4; + switch (count128 & 0x3) { + case 0: do { _mm_store_si128(dst128++, value128); + case 3: _mm_store_si128(dst128++, value128); + case 2: _mm_store_si128(dst128++, value128); + case 1: _mm_store_si128(dst128++, value128); + } while (--n > 0); + } + + const int rest = count & 0x3; + if (rest) { + switch (rest) { + case 3: dest[count - 3] = value; + case 2: dest[count - 2] = value; + case 1: dest[count - 1] = value; + } + } +} + +void qt_memfill16_sse2(quint16 *dest, quint16 value, int count) +{ + if (count < 3) { + switch (count) { + case 2: *dest++ = value; + case 1: *dest = value; + } + return; + } + + const int align = (quintptr)(dest) & 0x3; + switch (align) { + case 2: *dest++ = value; --count; + } + + const quint32 value32 = (value << 16) | value; + qt_memfill32_sse2(reinterpret_cast(dest), value32, count / 2); + + if (count & 0x1) + dest[count - 1] = value; +} + +void qt_bitmapblit32_sse2(QRasterBuffer *rasterBuffer, int x, int y, + quint32 color, + const uchar *src, int width, int height, int stride) +{ + quint32 *dest = reinterpret_cast(rasterBuffer->scanLine(y)) + x; + const int destStride = rasterBuffer->bytesPerLine() / sizeof(quint32); + + const __m128i c128 = _mm_set1_epi32(color); + const __m128i maskmask1 = _mm_set_epi32(0x10101010, 0x20202020, + 0x40404040, 0x80808080); + const __m128i maskadd1 = _mm_set_epi32(0x70707070, 0x60606060, + 0x40404040, 0x00000000); + + if (width > 4) { + const __m128i maskmask2 = _mm_set_epi32(0x01010101, 0x02020202, + 0x04040404, 0x08080808); + const __m128i maskadd2 = _mm_set_epi32(0x7f7f7f7f, 0x7e7e7e7e, + 0x7c7c7c7c, 0x78787878); + while (height--) { + for (int x = 0; x < width; x += 8) { + const quint8 s = src[x >> 3]; + if (!s) + continue; + __m128i mask1 = _mm_set1_epi8(s); + __m128i mask2 = mask1; + + mask1 = _mm_and_si128(mask1, maskmask1); + mask1 = _mm_add_epi8(mask1, maskadd1); + _mm_maskmoveu_si128(c128, mask1, (char*)(dest + x)); + mask2 = _mm_and_si128(mask2, maskmask2); + mask2 = _mm_add_epi8(mask2, maskadd2); + _mm_maskmoveu_si128(c128, mask2, (char*)(dest + x + 4)); + } + dest += destStride; + src += stride; + } + } else { + while (height--) { + const quint8 s = *src; + if (s) { + __m128i mask1 = _mm_set1_epi8(s); + mask1 = _mm_and_si128(mask1, maskmask1); + mask1 = _mm_add_epi8(mask1, maskadd1); + _mm_maskmoveu_si128(c128, mask1, (char*)(dest)); + } + dest += destStride; + src += stride; + } + } +} + +void qt_bitmapblit16_sse2(QRasterBuffer *rasterBuffer, int x, int y, + quint32 color, + const uchar *src, int width, int height, int stride) +{ + const quint16 c = qt_colorConvert(color, 0); + quint16 *dest = reinterpret_cast(rasterBuffer->scanLine(y)) + x; + const int destStride = rasterBuffer->bytesPerLine() / sizeof(quint16); + + const __m128i c128 = _mm_set1_epi16(c); +#if defined(Q_CC_MSVC) +# pragma warning(disable: 4309) // truncation of constant value +#endif + const __m128i maskmask = _mm_set_epi16(0x0101, 0x0202, 0x0404, 0x0808, + 0x1010, 0x2020, 0x4040, 0x8080); + const __m128i maskadd = _mm_set_epi16(0x7f7f, 0x7e7e, 0x7c7c, 0x7878, + 0x7070, 0x6060, 0x4040, 0x0000); + + while (height--) { + for (int x = 0; x < width; x += 8) { + const quint8 s = src[x >> 3]; + if (!s) + continue; + __m128i mask = _mm_set1_epi8(s); + mask = _mm_and_si128(mask, maskmask); + mask = _mm_add_epi8(mask, maskadd); + _mm_maskmoveu_si128(c128, mask, (char*)(dest + x)); + } + dest += destStride; + src += stride; + } +} + +QT_END_NAMESPACE + +#endif // QT_HAVE_SSE2