[Bug 163054] wrong rendering by using OpenGL
Lucas Murray
admin at undefinedfire.com
Thu Jun 19 18:09:53 CEST 2008
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http://bugs.kde.org/show_bug.cgi?id=163054
admin undefinedfire com changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
everconfirmed|0 |1
Product|plasma |kwin
------- Additional Comments From admin undefinedfire com 2008-06-19 18:09 -------
Problem is caused by different blending formulas. OpenGL uses:
Res = (1 - Opacity) * Bg + Opacity * Fg
XRender uses:
Res = (1 - Opacity) * Bg + Fg
As XRender produces the same results as what is shown in Inkscape I'll assume the OpenGL formula is incorrect.
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