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| author | liang jian <jianliang79@gmail.com> | 2010-09-06 19:26:45 (GMT) |
|---|---|---|
| committer | Benjamin Poulain <benjamin.poulain@nokia.com> | 2010-09-06 20:12:31 (GMT) |
| commit | 9cba567c9fb3243191735376a5de7962ad393952 (patch) | |
| tree | 5c6c7e71effc0ae3698b9e3c6dde1d0c1c79327b /src/gui/painting/qpaintdevice.h | |
| parent | 04f5b7c80917ebbe56f3ceadda517771238f3800 (diff) | |
| download | Qt-9cba567c9fb3243191735376a5de7962ad393952.zip Qt-9cba567c9fb3243191735376a5de7962ad393952.tar.gz Qt-9cba567c9fb3243191735376a5de7962ad393952.tar.bz2 | |
Allow Windows x64 to use SSE2 to speed up blending
Windows 64 does not support MMX with MSVC. This is a problem
with the way SSE is currently used because it rely on previous
vector instructions being available.
This patches fixes that by using the intended functions for
SSE2 on Windows.
Merge-request: 792
Reviewed-by: Benjamin Poulain <benjamin.poulain@nokia.com>
Diffstat (limited to 'src/gui/painting/qpaintdevice.h')
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