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+/****************************************************************************
+**
+** 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_NEON
+
+QT_BEGIN_NAMESPACE
+
+Q_GUI_EXPORT void QT_FASTCALL qt_convert_rgb888_to_rgb32_neon(quint32 *dst, const uchar *src, int len)
+{
+ if (!len)
+ return;
+
+ const quint32 *const end = dst + len;
+
+ // align dst on 64 bits
+ const int offsetToAlignOn8Bytes = (reinterpret_cast<quintptr>(dst) >> 2) & 0x1;
+ for (int i = 0; i < offsetToAlignOn8Bytes; ++i) {
+ *dst++ = qRgb(src[0], src[1], src[2]);
+ src += 3;
+ }
+
+ if ((len - offsetToAlignOn8Bytes) >= 8) {
+ const quint32 *const simdEnd = end - 7;
+ register uint8x8_t fullVector asm ("d3") = vdup_n_u8(0xff);
+ do {
+#if Q_BYTE_ORDER == Q_BIG_ENDIAN
+ asm volatile (
+ "vld3.8 { d4, d5, d6 }, [%[SRC]] !\n\t"
+ "vst4.8 { d3, d4, d5, d6 }, [%[DST],:64] !\n\t"
+ : [DST]"+r" (dst), [SRC]"+r" (src)
+ : "w"(fullVector)
+ : "memory", "d4", "d5", "d6"
+ );
+#else
+ asm volatile (
+ "vld3.8 { d0, d1, d2 }, [%[SRC]] !\n\t"
+ "vswp d0, d2\n\t"
+ "vst4.8 { d0, d1, d2, d3 }, [%[DST],:64] !\n\t"
+ : [DST]"+r" (dst), [SRC]"+r" (src)
+ : "w"(fullVector)
+ : "memory", "d0", "d1", "d2"
+ );
+#endif
+ } while (dst < simdEnd);
+ }
+
+ while (dst != end) {
+ *dst++ = qRgb(src[0], src[1], src[2]);
+ src += 3;
+ }
+}
+
+void convert_RGB888_to_RGB32_neon(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) {
+ qt_convert_rgb888_to_rgb32_neon(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_NEON