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| author | Samuel Rødal <sroedal@trolltech.com> | 2009-12-07 09:03:42 (GMT) |
|---|---|---|
| committer | Samuel Rødal <sroedal@trolltech.com> | 2009-12-14 14:18:36 (GMT) |
| commit | 9c4a79038fcd2c2a90a277db81aaadac50eaa59a (patch) | |
| tree | 05af6d76da4c120341d784b6e18671d769025652 /demos/arthurplugin | |
| parent | b543f356ca9f4a1db72e937968f06804df7c17bd (diff) | |
| download | Qt-9c4a79038fcd2c2a90a277db81aaadac50eaa59a.zip Qt-9c4a79038fcd2c2a90a277db81aaadac50eaa59a.tar.gz Qt-9c4a79038fcd2c2a90a277db81aaadac50eaa59a.tar.bz2 | |
Optimized blur / drop shadow effects for the GL 2 paint engine.
Do the blur in half the resolution in software and then upload the
result as a texture and smooth-scale it on the GPU. This leads to stable
and decent performance regardless of the blur radius, and simplifies the
implementation quite a bit.
Reviewed-by: Bjørn Erik Nilsen
Diffstat (limited to 'demos/arthurplugin')
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