vcl/unx/generic/gdi/salgdi.cxx | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
New commits:
commit af8406dd3f43bece257ba9ea2533c8649c3880fe
Author: Caolán McNamara <caol...@redhat.com>
AuthorDate: Thu Apr 15 16:53:51 2021 +0100
Commit: Caolán McNamara <caol...@redhat.com>
CommitDate: Fri Apr 16 16:57:21 2021 +0200
X11SalGraphics::SupportsCairo is pretty slow and its value won't change
seen in tdf#140639 with
https://wiki.documentfoundation.org/Development/How_to_debug#Performance_debugging_.28perf.29
perf record --call-graph dwarf,65528 --pid=`pidof soffice.bin`
perf script | ~/git/FlameGraph/stackcollapse-perf.pl |
~/git/FlameGraph/flamegraph.pl --width 4096 --height 24 > perf.svg
Change-Id: Ibb3b2bdd57adcabf74f38c35878cf2c00e1e5de0
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/114161
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caol...@redhat.com>
diff --git a/vcl/unx/generic/gdi/salgdi.cxx b/vcl/unx/generic/gdi/salgdi.cxx
index ef99f1d4274e..62a47b074d2f 100644
--- a/vcl/unx/generic/gdi/salgdi.cxx
+++ b/vcl/unx/generic/gdi/salgdi.cxx
@@ -498,9 +498,12 @@ void X11SalGraphics::Flush()
bool X11SalGraphics::SupportsCairo() const
{
- Display *pDisplay = GetXDisplay();
- int nDummy;
- return XQueryExtension(pDisplay, "RENDER", &nDummy, &nDummy, &nDummy);
+ static bool bSupportsCairo = [this] {
+ Display *pDisplay = GetXDisplay();
+ int nDummy;
+ return XQueryExtension(pDisplay, "RENDER", &nDummy, &nDummy, &nDummy);
+ }();
+ return bSupportsCairo;
}
cairo::SurfaceSharedPtr X11SalGraphics::CreateSurface(const
cairo::CairoSurfaceSharedPtr& rSurface) const
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