[Libreoffice-bugs] [Bug 61899] SVG: sample .svg very slow on resize or scale

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=61899

tbehr...@suse.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tbehr...@suse.com

--- Comment #2 from tbehr...@suse.com ---
Getting lots of 

#5  0x00007ffff0dbbce1 in XGetImage () from /usr/lib64/libX11.so.6
#6  0x00007fffe6378691 in X11SalBitmap::ImplCreateDIB(unsigned long,
SalX11Screen, long, long, long, long, long, bool) () from
/build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvclplug_genlo.so
#7  0x00007fffe6379241 in X11SalBitmap::AcquireBuffer(bool) () from
/build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvclplug_genlo.so
#8  0x00007ffff363b371 in BitmapReadAccess::ImplCreate(Bitmap&) () from
/build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvcllo.so
#9  0x00007ffff363b6b4 in BitmapReadAccess::BitmapReadAccess(Bitmap&) () from
/build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvcllo.so
#10 0x00007ffff3631319 in Bitmap::AcquireReadAccess() () from
/build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvcllo.so
#11 0x00007ffff3623a7d in Bitmap::ImplMakeGreyscales(unsigned short) () from
/build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvcllo.so
#12 0x00007ffff362599d in Bitmap::Convert(BmpConversion) () from
/build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvcllo.so
#13 0x00007ffff361bbac in AlphaMask::AlphaMask(Bitmap const&) () from
/build/tdf/libo-work/solver/unxlngx6.pro/installation/opt/program/libvcllo.so
#14 0x00007ffff248a242 in drawinglayer::impBufferDevice::paint
(this=0x7fffffff6580, fTrans=0) at
/build/tdf/libo-work/drawinglayer/source/processor2d/vclhelperbufferdevice.cxx:301
#15 0x00007ffff249e33a in
drawinglayer::processor2d::VclProcessor2D::RenderTransparencePrimitive2D
(this=0x242eac0, rTransCandidate=...) at
/build/tdf/libo-work/drawinglayer/source/processor2d/vclprocessor2d.cxx:1050

here - all called from VclProcessor2D::RenderMaskPrimitive2DPixel. Rendering to
a bitmap, then getting the content, converting it to an alpha mask. Extra-slow
when going via X server...

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