diff options
Diffstat (limited to 'src/gui/image')
-rw-r--r-- | src/gui/image/image.pri | 1 | ||||
-rw-r--r-- | src/gui/image/qimage.cpp | 54 | ||||
-rw-r--r-- | src/gui/image/qimage_ssse3.cpp | 150 | ||||
-rw-r--r-- | src/gui/image/qpixmap_s60.cpp | 20 | ||||
-rw-r--r-- | src/gui/image/qpnghandler.cpp | 2 |
5 files changed, 208 insertions, 19 deletions
diff --git a/src/gui/image/image.pri b/src/gui/image/image.pri index ef0c18e..1d89a68 100644 --- a/src/gui/image/image.pri +++ b/src/gui/image/image.pri @@ -100,3 +100,4 @@ contains(QT_CONFIG, gif):include($$PWD/qgifhandler.pri) # SIMD SSE2_SOURCES += image/qimage_sse2.cpp +SSSE3_SOURCES += image/qimage_ssse3.cpp diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp index e5930ac..30cf758 100644 --- a/src/gui/image/qimage.cpp +++ b/src/gui/image/qimage.cpp @@ -2343,8 +2343,15 @@ static bool convert_indexed8_to_ARGB_PM_inplace(QImageData *data, Qt::ImageConve data->colortable.resize(256); for (int i = 0; i < 256; ++i) data->colortable[i] = qRgb(i, i, i); + } else { + for (int i = 0; i < data->colortable.size(); ++i) + data->colortable[i] = PREMUL(data->colortable.at(i)); + + // Fill the rest of the table in case src_data > colortable.size() + const int oldSize = data->colortable.size(); + const QRgb lastColor = data->colortable.at(oldSize - 1); + data->colortable.insert(oldSize, 256 - oldSize, lastColor); } - const int tableSize = data->colortable.size() - 1; for (int i = 0; i < data->height; ++i) { src_data -= src_pad; @@ -2352,11 +2359,11 @@ static bool convert_indexed8_to_ARGB_PM_inplace(QImageData *data, Qt::ImageConve for (int pixI = 0; pixI < width; ++pixI) { --src_data; --dest_data; - const uint pixel = data->colortable[qMin<int>(tableSize, *src_data)]; - *dest_data = (quint32) PREMUL(pixel); + *dest_data = data->colortable.at(*src_data); } } + data->colortable = QVector<QRgb>(); data->format = QImage::Format_ARGB32_Premultiplied; data->bytes_per_line = dst_bytes_per_line; data->depth = depth; @@ -2388,8 +2395,12 @@ static bool convert_indexed8_to_RGB_inplace(QImageData *data, Qt::ImageConversio data->colortable.resize(256); for (int i = 0; i < 256; ++i) data->colortable[i] = qRgb(i, i, i); + } else { + // Fill the rest of the table in case src_data > colortable.size() + const int oldSize = data->colortable.size(); + const QRgb lastColor = data->colortable.at(oldSize - 1); + data->colortable.insert(oldSize, 256 - oldSize, lastColor); } - const int tableSize = data->colortable.size() - 1; for (int i = 0; i < data->height; ++i) { src_data -= src_pad; @@ -2397,10 +2408,11 @@ static bool convert_indexed8_to_RGB_inplace(QImageData *data, Qt::ImageConversio for (int pixI = 0; pixI < width; ++pixI) { --src_data; --dest_data; - *dest_data = (quint32) data->colortable[qMin<int>(tableSize, *src_data)]; + *dest_data = (quint32) data->colortable.at(*src_data); } } + data->colortable = QVector<QRgb>(); data->format = QImage::Format_RGB32; data->bytes_per_line = dst_bytes_per_line; data->depth = depth; @@ -2428,12 +2440,23 @@ static bool convert_indexed8_to_RGB16_inplace(QImageData *data, Qt::ImageConvers const int width = data->width; const int src_pad = data->bytes_per_line - width; const int dest_pad = (dst_bytes_per_line >> 1) - width; - if (data->colortable.size() == 0) { - data->colortable.resize(256); + + quint16 colorTableRGB16[256]; + if (data->colortable.isEmpty()) { for (int i = 0; i < 256; ++i) - data->colortable[i] = qRgb(i, i, i); + colorTableRGB16[i] = qt_colorConvert<quint16, quint32>(qRgb(i, i, i), 0); + } else { + // 1) convert the existing colors to RGB16 + const int tableSize = data->colortable.size(); + for (int i = 0; i < tableSize; ++i) + colorTableRGB16[i] = qt_colorConvert<quint16, quint32>(data->colortable.at(i), 0); + data->colortable = QVector<QRgb>(); + + // 2) fill the rest of the table in case src_data > colortable.size() + const quint16 lastColor = colorTableRGB16[tableSize - 1]; + for (int i = tableSize; i < 256; ++i) + colorTableRGB16[i] = lastColor; } - const int tableSize = data->colortable.size() - 1; for (int i = 0; i < data->height; ++i) { src_data -= src_pad; @@ -2441,8 +2464,7 @@ static bool convert_indexed8_to_RGB16_inplace(QImageData *data, Qt::ImageConvers for (int pixI = 0; pixI < width; ++pixI) { --src_data; --dest_data; - const uint pixel = data->colortable[qMin<int>(tableSize, *src_data)]; - *dest_data = qt_colorConvert<quint16, quint32>(pixel, 0); + *dest_data = colorTableRGB16[*src_data]; } } @@ -3332,7 +3354,7 @@ CONVERT_DECL(qargb4444, quint32) // first index source, second dest -static const Image_Converter converter_map[QImage::NImageFormats][QImage::NImageFormats] = +static Image_Converter converter_map[QImage::NImageFormats][QImage::NImageFormats] = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 @@ -3739,6 +3761,14 @@ void qInitImageConversions() inplace_converter_map[QImage::Format_ARGB32][QImage::Format_ARGB32_Premultiplied] = convert_ARGB_to_ARGB_PM_inplace_sse2; } #endif +#ifdef QT_HAVE_SSSE3 + if (features & SSSE3) { + extern void convert_RGB888_to_RGB32_ssse3(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags); + converter_map[QImage::Format_RGB888][QImage::Format_RGB32] = convert_RGB888_to_RGB32_ssse3; + converter_map[QImage::Format_RGB888][QImage::Format_ARGB32] = convert_RGB888_to_RGB32_ssse3; + converter_map[QImage::Format_RGB888][QImage::Format_ARGB32_Premultiplied] = convert_RGB888_to_RGB32_ssse3; + } +#endif } /*! diff --git a/src/gui/image/qimage_ssse3.cpp b/src/gui/image/qimage_ssse3.cpp new file mode 100644 index 0000000..1c664f2 --- /dev/null +++ b/src/gui/image/qimage_ssse3.cpp @@ -0,0 +1,150 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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 <qimage.h> +#include <private/qimage_p.h> +#include <private/qsimd_p.h> + +#ifdef QT_HAVE_SSSE3 + +#include <stdio.h> +QT_BEGIN_NAMESPACE + +// Convert a scanline of RGB888 (src) to RGB32 (dst) +// src must be at least len * 3 bytes +// dst must be at least len * 4 bytes +inline void convert_rgb888_to_rgb32_ssse3(quint32 *dst, const uchar *src, int len) +{ + quint32 *const end = dst + len; + + // Prologue, align dst to 16 bytes. The alignement is done on dst because it has 4 store() + // for each 3 load() of src. + const int offsetToAlignOn16Bytes = (4 - ((reinterpret_cast<quintptr>(dst) >> 2) & 0x3)) & 0x3; + const int prologLength = qMin(len, offsetToAlignOn16Bytes); + + for (int i = 0; i < prologLength; ++i) { + *dst++ = qRgb(src[0], src[1], src[2]); + src += 3; + } + + // Mask the 4 first colors of the RGB888 vector + const __m128i shuffleMask = _mm_set_epi8(0xff, 9, 10, 11, 0xff, 6, 7, 8, 0xff, 3, 4, 5, 0xff, 0, 1, 2); + + // Mask the 4 last colors of a RGB888 vector with an offset of 1 (so the last 3 bytes are RGB) + const __m128i shuffleMaskEnd = _mm_set_epi8(0xff, 13, 14, 15, 0xff, 10, 11, 12, 0xff, 7, 8, 9, 0xff, 4, 5, 6); + + // Mask to have alpha = 0xff + const __m128i alphaMask = _mm_set1_epi32(0xff000000); + + __m128i *inVectorPtr = (__m128i *)src; + __m128i *dstVectorPtr = (__m128i *)dst; + + const int simdRoundCount = (len - prologLength) / 16; // one iteration in the loop converts 16 pixels + for (int i = 0; i < simdRoundCount; ++i) { + /* + RGB888 has 5 pixels per vector, + 1 byte from the next pixel. The idea here is + to load vectors of RGB888 and use palignr to select a vector out of two vectors. + + After 3 loads of RGB888 and 3 stores of RGB32, we have 4 pixels left in the last + vector of RGB888, we can mask it directly to get a last store or RGB32. After that, + the first next byte is a R, and we can loop for the next 16 pixels. + + The conversion itself is done with a byte permutation (pshufb). + */ + __m128i firstSrcVector = _mm_lddqu_si128(inVectorPtr); + __m128i outputVector = _mm_shuffle_epi8(firstSrcVector, shuffleMask); + _mm_store_si128(dstVectorPtr, _mm_or_si128(outputVector, alphaMask)); + ++inVectorPtr; + ++dstVectorPtr; + + // There are 4 unused bytes left in srcVector, we need to load the next 16 bytes + // and load the next input with palignr + __m128i secondSrcVector = _mm_lddqu_si128(inVectorPtr); + __m128i srcVector = _mm_alignr_epi8(secondSrcVector, firstSrcVector, 12); + outputVector = _mm_shuffle_epi8(srcVector, shuffleMask); + _mm_store_si128(dstVectorPtr, _mm_or_si128(outputVector, alphaMask)); + ++inVectorPtr; + ++dstVectorPtr; + firstSrcVector = secondSrcVector; + + // We now have 8 unused bytes left in firstSrcVector + secondSrcVector = _mm_lddqu_si128(inVectorPtr); + srcVector = _mm_alignr_epi8(secondSrcVector, firstSrcVector, 8); + outputVector = _mm_shuffle_epi8(srcVector, shuffleMask); + _mm_store_si128(dstVectorPtr, _mm_or_si128(outputVector, alphaMask)); + ++inVectorPtr; + ++dstVectorPtr; + + // There are now 12 unused bytes in firstSrcVector. + // We can mask them directly, almost there. + outputVector = _mm_shuffle_epi8(secondSrcVector, shuffleMaskEnd); + _mm_store_si128(dstVectorPtr, _mm_or_si128(outputVector, alphaMask)); + ++dstVectorPtr; + } + src = (uchar *)inVectorPtr; + dst = (quint32 *)dstVectorPtr; + + while (dst != end) { + *dst++ = qRgb(src[0], src[1], src[2]); + src += 3; + } +} + +void convert_RGB888_to_RGB32_ssse3(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags) +{ + Q_ASSERT(src->format == QImage::Format_RGB888); + Q_ASSERT(dest->format == QImage::Format_RGB32 || dest->format == QImage::Format_ARGB32 || dest->format == QImage::Format_ARGB32_Premultiplied); + Q_ASSERT(src->width == dest->width); + Q_ASSERT(src->height == dest->height); + + const uchar *src_data = (uchar *) src->data; + quint32 *dest_data = (quint32 *) dest->data; + + for (int i = 0; i < src->height; ++i) { + convert_rgb888_to_rgb32_ssse3(dest_data, src_data, src->width); + src_data += src->bytes_per_line; + dest_data = (quint32 *)((uchar*)dest_data + dest->bytes_per_line); + } +} + +QT_END_NAMESPACE + +#endif // QT_HAVE_SSSE3 diff --git a/src/gui/image/qpixmap_s60.cpp b/src/gui/image/qpixmap_s60.cpp index a13c8c8..9d571b5 100644 --- a/src/gui/image/qpixmap_s60.cpp +++ b/src/gui/image/qpixmap_s60.cpp @@ -157,10 +157,10 @@ class QSymbianBitmapDataAccess { public: - bool heapWasLocked; + static int heapRefCount; QSysInfo::SymbianVersion symbianVersion; - explicit QSymbianBitmapDataAccess() : heapWasLocked(false) + explicit QSymbianBitmapDataAccess() { symbianVersion = QSysInfo::symbianVersion(); }; @@ -169,16 +169,22 @@ public: inline void beginDataAccess(CFbsBitmap *bitmap) { - if (symbianVersion == QSysInfo::SV_9_2) - heapWasLocked = qt_symbianFbsClient()->lockHeap(); - else + if (symbianVersion == QSysInfo::SV_9_2) { + if (heapRefCount == 0) + qt_symbianFbsClient()->lockHeap(); + } else { bitmap->LockHeap(ETrue); + } + + heapRefCount++; } inline void endDataAccess(CFbsBitmap *bitmap) { + heapRefCount--; + if (symbianVersion == QSysInfo::SV_9_2) { - if (!heapWasLocked) + if (heapRefCount == 0) qt_symbianFbsClient()->unlockHeap(); } else { bitmap->UnlockHeap(ETrue); @@ -186,6 +192,8 @@ public: } }; +int QSymbianBitmapDataAccess::heapRefCount = 0; + #define UPDATE_BUFFER() \ { \ diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp index 2cf8222..dc54313 100644 --- a/src/gui/image/qpnghandler.cpp +++ b/src/gui/image/qpnghandler.cpp @@ -389,7 +389,7 @@ bool Q_INTERNAL_WIN_NO_THROW QPngHandlerPrivate::readPngHeader() while (num_text--) { QString key, value; -#if defined(PNG_iTXt_SUPPORTED) +#if defined(PNG_iTXt_SUPPORTED) && !defined(QT_NO_TEXTCODEC) if (text_ptr->lang) { QTextCodec *codec = QTextCodec::codecForName(text_ptr->lang); if (codec) { |