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diff --git a/graphics/mitsuba/README b/graphics/mitsuba/README
new file mode 100644
index 00000000000..59dfbdc6adf
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+PREAMBLE
+--------
+
+Mitsuba is a GPLv3 research-oriented rendering system in the style of
+PBRT. It is written in C++, implements unbiased as well as biased techniques, 
+and contains heavy optimizations targeted towards current CPU
+architectures. 
+
+Mitsuba places a strong emphasis on experimental rendering techniques, 
+such as path-based formulations of Metropolis Light Transport and 
+volumetric modeling approaches. 
+
+http://mitsuba-renderer.org
+This SlackBuild uses a git snapshot from 7 Feb 2015.
+
+
+BUILDING AND INSTALLING
+-----------------------
+
+Mitsuba requires libglewmx. Slackware ships with GLEW but it has not been compiled to include libglewmx,
+so you will have to re-compile and re-install it manually.
+
+To do this, get the glew Slackbuild from your install disc (or your nearest Slackware mirror) and the glew source code.
+Compile as normal, but your install line should be:
+
+make install.all GLEW_DEST=$PKG/usr
+(where $PKG is your DESTDIR, which you will run makepkg against)
+
+Install your new version of glew and then build Mitsuba. 
+
+
+SEE ALSO
+--------
+There is a handy Mitsuba Blender plugin available from SlackBuilds.org so that you can use Mitsuba as your Blender renderer.
diff --git a/graphics/mitsuba/doinst.sh b/graphics/mitsuba/doinst.sh
new file mode 100644
index 00000000000..4e8ba7071de
--- /dev/null
+++ b/graphics/mitsuba/doinst.sh
@@ -0,0 +1,4 @@
+if [ -x /usr/bin/update-desktop-database ]; then
+  /usr/bin/update-desktop-database -q usr/share/applications >/dev/null 2>&1
+fi
+
diff --git a/graphics/mitsuba/mitsuba.SlackBuild b/graphics/mitsuba/mitsuba.SlackBuild
new file mode 100644
index 00000000000..b4eb99141ef
--- /dev/null
+++ b/graphics/mitsuba/mitsuba.SlackBuild
@@ -0,0 +1,116 @@
+#!/bin/sh
+# Slackware build script for Klaatu
+
+# Copyright 2014 Klaatu, Wellington NZ
+# GNU All-Permissive License
+# Copying and distribution of this file, with or without modification,
+# are permitted in any medium without royalty provided the copyright
+# notice and this notice are preserved.  This file is offered as-is,
+# without any warranty.
+
+PRGNAM=mitsuba
+VERSION=${VERSION:-b85118cd30d2}
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i486 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i486" ]; then
+  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+else
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
+fi
+
+set -e
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $PRGNAM-$VERSION
+unzip $CWD/$PRGNAM-$VERSION.zip
+cd $PRGNAM-*
+chown -R root:root .
+find -L . \
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+
+sed -i "s%/usr/lib/%/usr/lib${LIBDIRSUFFIX}/%" data/cmake/FindGLEW.cmake
+
+cd build
+cp config-linux-gcc.py ../config.py
+DISTDIR=$PKG scons --jobs=$[${MAKEOPTS/-j/} - 1] -C .. prefix=$PKG/usr
+
+install -d \
+    ${PKG}/usr/bin \
+    ${PKG}/usr/lib${LIBDIRSUFFIX} \
+    ${PKG}/usr/share/mitsuba/plugins \
+    ${PKG}/usr/share/mitsuba/data/schema \
+    ${PKG}/usr/share/mitsuba/data/ior \
+    ${PKG}/usr/share/mitsuba/data/microfacet \
+    ${PKG}/usr/share/applications \
+    ${PKG}/usr/share/pixmaps \
+    ${PKG}/usr/include/mitsuba/{core,hw,render,bidir} \
+    ${PKG}/usr/lib${LIBDIRSUFFIX}/python2.7/lib-dynload
+
+install -m755 ../dist/mitsuba ../dist/mtsgui ../dist/mtssrv ../dist/mtsutil ${PKG}/usr/bin
+install -m755 ../dist/libmitsuba-core.so \
+    ../dist/libmitsuba-hw.so \
+    ../dist/libmitsuba-render.so \
+    ../dist/libmitsuba-bidir.so \
+    ${PKG}/usr/lib${LIBDIRSUFFIX}
+install -m755 ../dist/plugins/* ${PKG}/usr/share/mitsuba/plugins
+install -m644 ../dist/data/schema/* ${PKG}/usr/share/mitsuba/data/schema
+install -m644 ../dist/data/ior/* ${PKG}/usr/share/mitsuba/data/ior
+install -m644 ../dist/data/microfacet/* ${PKG}/usr/share/mitsuba/data/microfacet
+install -m644 ../dist/python/2.7/mitsuba.so ${PKG}/usr/lib${LIBDIRSUFFIX}/python2.7/lib-dynload
+
+if [ -e ../dist/python/3.3/mitsuba.so ]; then
+    install -d ${PKG}/usr/lib${LIBDIRSUFFIX}/python3.3/lib-dynload
+    install -m644 ../dist/python/3.3/mitsuba.so ${PKG}/usr/lib${LIBDIRSUFFIX}/python3.3/lib-dynload
+fi
+
+install -m644 ../data/linux/mitsuba.desktop ${PKG}/usr/share/applications
+install -m644 ../src/mtsgui/resources/mitsuba48.png ${PKG}/usr/share/pixmaps
+install -m644 ../include/mitsuba/*.h ${PKG}/usr/include/mitsuba
+install -m644 ../include/mitsuba/core/* ${PKG}/usr/include/mitsuba/core
+install -m644 ../include/mitsuba/render/* ${PKG}/usr/include/mitsuba/render
+install -m644 ../include/mitsuba/hw/* ${PKG}/usr/include/mitsuba/hw
+install -m644 ../include/mitsuba/bidir/* ${PKG}/usr/include/mitsuba/bidir
+
+find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
+  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
+
+cd ..
+
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a setpath*sh $PKG/usr/doc/$PRGNAM-$VERSION
+
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+cat $CWD/doinst.sh > $PKG/install/doinst.sh
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
diff --git a/graphics/mitsuba/mitsuba.info b/graphics/mitsuba/mitsuba.info
new file mode 100644
index 00000000000..9b9eccce049
--- /dev/null
+++ b/graphics/mitsuba/mitsuba.info
@@ -0,0 +1,10 @@
+PRGNAM="mitsuba"
+VERSION="b85118cd30d2"
+HOMEPAGE="http://mitsuba-renderer.org"
+DOWNLOAD="http://slackermedia.info/slackbuilds/mitsuba/src/mitsuba-b85118cd30d2.zip"
+MD5SUM="2b2dafee41dac5561f36f7064b7c87ee"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES="%README% xerces-c collada-dom scons eigen3"
+MAINTAINER="klaatu"
+EMAIL="klaatu@member.fsf.org"
diff --git a/graphics/mitsuba/slack-desc b/graphics/mitsuba/slack-desc
new file mode 100644
index 00000000000..3923f803923
--- /dev/null
+++ b/graphics/mitsuba/slack-desc
@@ -0,0 +1,19 @@
+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.
+# Line up the first '|' above the ':' following the base package name, and
+# the '|' on the right side marks the last column you can put a character in.
+# You must make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
+
+       |-----handy-ruler------------------------------------------------------|
+mitsuba: mitsuba (computer graphics renderer)
+mitsuba:
+mitsuba: A modular, experimental graphics renderer, placing an emphasis
+mitsuba: upon experimental techniques like path-based formulations and 
+mitsuba: volumetric modeling.
+mitsuba:
+mitsuba: http://mitsuba-renderer.org
+mitsuba:
+mitsuba:
+mitsuba:
+mitsuba: