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| author | Benjamin Poulain <benjamin.poulain@nokia.com> | 2010-08-24 02:20:19 (GMT) |
|---|---|---|
| committer | Benjamin Poulain <benjamin.poulain@nokia.com> | 2010-08-25 09:07:12 (GMT) |
| commit | d28f3ffadec209511d8d992e3b35fae155b3d1c5 (patch) | |
| tree | ae6de5aa97c85c05136dff9547bc7089bbe8c7bb /src/gui/painting/qdrawhelper_neon_p.h | |
| parent | 9f5457110f86fc11995efd93729c563e0713bebc (diff) | |
| download | Qt-d28f3ffadec209511d8d992e3b35fae155b3d1c5.zip Qt-d28f3ffadec209511d8d992e3b35fae155b3d1c5.tar.gz Qt-d28f3ffadec209511d8d992e3b35fae155b3d1c5.tar.bz2 | |
Implement qt_memfill32 with Neon.
This patch introduce a implementation of qt_memfill32 with the Neon
instructions set from ARMv7.
The loop is unrolled 1 time to get better performance.
This implementation of memfill is 330% faster on the N900.
Reviewed-by: Samuel Rødal
Diffstat (limited to 'src/gui/painting/qdrawhelper_neon_p.h')
| -rw-r--r-- | src/gui/painting/qdrawhelper_neon_p.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/gui/painting/qdrawhelper_neon_p.h b/src/gui/painting/qdrawhelper_neon_p.h index 182c936..451edbc 100644 --- a/src/gui/painting/qdrawhelper_neon_p.h +++ b/src/gui/painting/qdrawhelper_neon_p.h @@ -120,6 +120,7 @@ void qt_transform_image_rgb16_on_rgb16_neon(uchar *destPixels, int dbpl, const QTransform &targetRectTransform, int const_alpha); +void qt_memfill32_neon(quint32 *dest, quint32 value, int count); void qt_memrotate90_16_neon(const uchar *srcPixels, int w, int h, int sbpl, uchar *destPixels, int dbpl); void qt_memrotate270_16_neon(const uchar *srcPixels, int w, int h, int sbpl, uchar *destPixels, int dbpl); |