diff options
| author | Samuel Rødal <samuel.rodal@nokia.com> | 2010-09-17 19:53:43 (GMT) |
|---|---|---|
| committer | Samuel Rødal <samuel.rodal@nokia.com> | 2011-04-13 08:17:05 (GMT) |
| commit | 26bd3dccdee8c6a8f1cf9d254a2a6be7d403aa8d (patch) | |
| tree | 4ce9f5239cfe62c3052acbe8a82a692843d719c4 /src/gui/painting/qdrawhelper.cpp | |
| parent | 44dd7ef86a3970694a4f8fd9516575c0533a336e (diff) | |
| download | Qt-26bd3dccdee8c6a8f1cf9d254a2a6be7d403aa8d.zip Qt-26bd3dccdee8c6a8f1cf9d254a2a6be7d403aa8d.tar.gz Qt-26bd3dccdee8c6a8f1cf9d254a2a6be7d403aa8d.tar.bz2 | |
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
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 535313e..a676fe9 100644 --- a/src/gui/painting/qdrawhelper.cpp +++ b/src/gui/painting/qdrawhelper.cpp @@ -7734,6 +7734,11 @@ 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 |