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Add optimized fetch ARGB32 routines for NEON

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After convert and fetch were split, only convert was still NEON
vectorized, while fetch is the more commonly used version.

Change-Id: Iea2af7ccee6589b3d6e9908afeaae2d1ad2753be
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
This commit is contained in:
Allan Sandfeld Jensen 2018-09-06 11:18:38 +02:00
parent cfb8d70888
commit 73af8e7553
2 changed files with 20 additions and 0 deletions
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6
src/gui/painting/qdrawhelper.cpp
View File

@ -6499,7 +6499,13 @@ static void qInitDrawhelperFunctions()
#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN
extern void QT_FASTCALL convertARGB32ToARGB32PM_neon(uint *buffer, int count, const QVector<QRgb> *);
extern void QT_FASTCALL convertRGBA8888ToARGB32PM_neon(uint *buffer, int count, const QVector<QRgb> *);
extern const uint *QT_FASTCALL fetchARGB32ToARGB32PM_neon(uint *buffer, const uchar *src, int index, int count,
const QVector<QRgb> *, QDitherInfo *);
extern const uint *QT_FASTCALL fetchRGBA8888ToARGB32PM_neon(uint *buffer, const uchar *src, int index, int count,
const QVector<QRgb> *, QDitherInfo *);
qPixelLayouts[QImage::Format_ARGB32].fetchToARGB32PM = fetchARGB32ToARGB32PM_neon;
qPixelLayouts[QImage::Format_ARGB32].convertToARGB32PM = convertARGB32ToARGB32PM_neon;
qPixelLayouts[QImage::Format_RGBA8888].fetchToARGB32PM = fetchRGBA8888ToARGB32PM_neon;
qPixelLayouts[QImage::Format_RGBA8888].convertToARGB32PM = convertRGBA8888ToARGB32PM_neon;
#endif

14
src/gui/painting/qdrawhelper_neon.cpp
View File

@ -1163,6 +1163,20 @@ void QT_FASTCALL convertRGBA8888ToARGB32PM_neon(uint *buffer, int count, const Q
convertARGBToARGB32PM_neon<true>(buffer, buffer, count);
}
const uint *QT_FASTCALL fetchARGB32ToARGB32PM_neon(uint *buffer, const uchar *src, int index, int count,
const QVector<QRgb> *, QDitherInfo *)
{
convertARGBToARGB32PM_neon<false>(buffer, reinterpret_cast<const uint *>(src) + index, count);
return buffer;
}
const uint *QT_FASTCALL fetchRGBA8888ToARGB32PM_neon(uint *buffer, const uchar *src, int index, int count,
const QVector<QRgb> *, QDitherInfo *)
{
convertARGBToARGB32PM_neon<true>(buffer, reinterpret_cast<const uint *>(src) + index, count);
return buffer;
}
#endif // Q_BYTE_ORDER == Q_LITTLE_ENDIAN
QT_END_NAMESPACE