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| author | Samuel Rødal <samuel.rodal@nokia.com> | 2010-09-17 21:53:43 +0200 |
|---|---|---|
| committer | Olivier Goffart <olivier.goffart@nokia.com> | 2011-05-10 12:54:45 +0200 |
| commit | db5803959182f891259b457b5bac2ed54785b709 (patch) | |
| tree | 2a6067991ec4ef1f035dcbfde69db3325083d113 /src/gui/painting/qdrawhelper.cpp | |
| parent | 28e32c0bc3bbe4816b85753645b3856f879ae390 (diff) | |
Optimized radial gradient fetch using SSE 2.
On an i7 this improves performance by 22 % in parcycle, 107 % in default
svgviewer example, and 283 % in a synthetic radial gradient benchmark.
Reviewed-by: Andreas Kling
(cherry picked from commit 26bd3dccdee8c6a8f1cf9d254a2a6be7d403aa8d)
Diffstat (limited to 'src/gui/painting/qdrawhelper.cpp')
| -rw-r--r-- | src/gui/painting/qdrawhelper.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp index bb46df523a..ce96bac206 100644 --- a/src/gui/painting/qdrawhelper.cpp +++ b/src/gui/painting/qdrawhelper.cpp @@ -7728,6 +7728,11 @@ void qInitDrawhelperAsm() qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32_sse2; qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_sse2; qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32_sse2; + + extern const uint * QT_FASTCALL qt_fetch_radial_gradient_sse2(uint *buffer, const Operator *op, const QSpanData *data, + int y, int x, int length); + + qt_fetch_radial_gradient = qt_fetch_radial_gradient_sse2; } #ifdef QT_HAVE_SSSE3 |