From: Krzysztof Kosiński <tweenk.pl@gmail.com>
Date: Wed, 21 Jul 2010 13:30:04 +0000 (+0200)
Subject: Make OpenMP actually work on systems that use Autoconf.
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=6a679b160cee7b9d544ff3034e51c5672547bd9f;p=inkscape.git

Make OpenMP actually work on systems that use Autoconf.
---

diff --git a/configure.ac b/configure.ac
index e73e51218..832cfe23c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -193,6 +193,7 @@ if test "x$openmp_ok" = "xyes"; then
 	dnl We have it, now set up the flags
 	CXXFLAGS="$CXXFLAGS $OPENMP_CXXFLAGS"
 	AC_CHECK_HEADER(omp.h)
+	AC_DEFINE(HAVE_OPENMP, 1, [Use OpenMP])
 fi
 
 dnl ******************************
diff --git a/src/display/nr-filter-gaussian.cpp b/src/display/nr-filter-gaussian.cpp
index 9509eaef7..a45e838da 100644
--- a/src/display/nr-filter-gaussian.cpp
+++ b/src/display/nr-filter-gaussian.cpp
@@ -590,7 +590,8 @@ int FilterGaussian::render(FilterSlot &slot, FilterUnits const &units)
     double const deviation_y_org = _deviation_y * trans.expansionY();
     int const PC = NR_PIXBLOCK_BPP(in);
 #if HAVE_OPENMP
-    int const NTHREADS = std::max(1,std::min(8, Inkscape::Preferences::get()->getInt("/options/threading/numthreads", omp_get_num_procs())));
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    int const NTHREADS = prefs->getIntLimited("/options/threading/numthreads", omp_get_num_procs(), 1, 256);
 #else
     int const NTHREADS = 1;
 #endif // HAVE_OPENMP