diff options
Diffstat (limited to 'src/gui/painting/qdrawhelper_ssse3.cpp')
| -rw-r--r-- | src/gui/painting/qdrawhelper_ssse3.cpp | 101 |
1 files changed, 87 insertions, 14 deletions
diff --git a/src/gui/painting/qdrawhelper_ssse3.cpp b/src/gui/painting/qdrawhelper_ssse3.cpp index fff4145d21..7cd3e9ca1b 100644 --- a/src/gui/painting/qdrawhelper_ssse3.cpp +++ b/src/gui/painting/qdrawhelper_ssse3.cpp @@ -1,31 +1,37 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtGui module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** 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 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -170,6 +176,73 @@ void qt_blend_argb32_on_argb32_ssse3(uchar *destPixels, int dbpl, } } +static inline void store_uint24_ssse3(uchar *dst, const uint *src, int len) +{ + int i = 0; + + quint24 *dst24 = reinterpret_cast<quint24*>(dst); + // Align dst on 16 bytes + for (; i < len && (reinterpret_cast<quintptr>(dst24) & 0xf); ++i) + *dst24++ = quint24(*src++); + + // Shuffle masks for first and second half of every output, all outputs are aligned so the shuffled ends are not used. + const __m128i shuffleMask1 = _mm_setr_epi8(char(0x80), char(0x80), char(0x80), char(0x80), 2, 1, 0, 6, 5, 4, 10, 9, 8, 14, 13, 12); + const __m128i shuffleMask2 = _mm_setr_epi8(2, 1, 0, 6, 5, 4, 10, 9, 8, 14, 13, 12, char(0x80), char(0x80), char(0x80), char(0x80)); + + const __m128i *inVectorPtr = (const __m128i *)src; + __m128i *dstVectorPtr = (__m128i *)dst24; + + for (; i < (len - 15); i += 16) { + // Load four vectors, store three. + // Create each output vector by combining two shuffled input vectors. + __m128i srcVector1 = _mm_loadu_si128(inVectorPtr); + ++inVectorPtr; + __m128i srcVector2 = _mm_loadu_si128(inVectorPtr); + ++inVectorPtr; + __m128i outputVector1 = _mm_shuffle_epi8(srcVector1, shuffleMask1); + __m128i outputVector2 = _mm_shuffle_epi8(srcVector2, shuffleMask2); + __m128i outputVector = _mm_alignr_epi8(outputVector2, outputVector1, 4); + _mm_store_si128(dstVectorPtr, outputVector); + ++dstVectorPtr; + + srcVector1 = _mm_loadu_si128(inVectorPtr); + ++inVectorPtr; + outputVector1 = _mm_shuffle_epi8(srcVector2, shuffleMask1); + outputVector2 = _mm_shuffle_epi8(srcVector1, shuffleMask2); + outputVector = _mm_alignr_epi8(outputVector2, outputVector1, 8); + _mm_store_si128(dstVectorPtr, outputVector); + ++dstVectorPtr; + + srcVector2 = _mm_loadu_si128(inVectorPtr); + ++inVectorPtr; + outputVector1 = _mm_shuffle_epi8(srcVector1, shuffleMask1); + outputVector2 = _mm_shuffle_epi8(srcVector2, shuffleMask2); + outputVector = _mm_alignr_epi8(outputVector2, outputVector1, 12); + _mm_store_si128(dstVectorPtr, outputVector); + ++dstVectorPtr; + } + dst24 = reinterpret_cast<quint24*>(dstVectorPtr); + src = reinterpret_cast<const uint*>(inVectorPtr); + + for (; i < len; ++i) + *dst24++ = quint24(*src++); +} + +void QT_FASTCALL storePixelsBPP24_ssse3(uchar *dest, const uint *src, int index, int count) +{ + store_uint24_ssse3(dest + index * 3, src, count); +} + +extern void QT_FASTCALL qt_convert_rgb888_to_rgb32_ssse3(quint32 *dst, const uchar *src, int len); + +const uint * QT_FASTCALL qt_fetchUntransformed_888_ssse3(uint *buffer, const Operator *, const QSpanData *data, + int y, int x, int length) +{ + const uchar *line = data->texture.scanLine(y) + x * 3; + qt_convert_rgb888_to_rgb32_ssse3(buffer, line, length); + return buffer; +} + QT_END_NAMESPACE #endif // QT_COMPILER_SUPPORTS_SSSE3 |