graphics/LDView: Patched to fix usage with NVidia cards

Signed-off-by: Robby Workman <rworkman@slackbuilds.org>

graphics/LDView/LDView.SlackBuild

@@ -4,14 +4,22 @@
 # a program to visualize LDraw files
 
 # Written by Niels Horn - niels.horn@gmail.com
-# revision date 2009/12/09
+# revision date 2010/06/05
 
 PRGNAM=LDView
 VERSION=4.1
-ARCH=${ARCH:-i486}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i486 ;;
+    arm*) ARCH=arm ;;
+    # Unless $ARCH is already set, use uname -m for all other archs:
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
 CWD=$(pwd)
 TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM
@@ -29,6 +37,10 @@ elif [ "$ARCH" = "x86_64" ]; then
   SLKCFLAGS="-O2 -fPIC"
   LIBDIRSUFFIX="64"
   LDVDEV64=YES
+else
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
+  LDVDEV64=""
 fi
 
 set -e
@@ -41,6 +53,9 @@ cd $PRGNAM-$VERSION
 chown -R root:root .
 chmod -R u+w,go+r-w,a-s .
 
+# Patch for a bug in QT, solves problems on NVIDIA cards
+patch -p1 < $CWD/opengl.patch
+
 # the 'makeall' script is in the QT directory
 cd QT
 export LDVDEV64

graphics/LDView/LDView.info

@@ -1,7 +1,7 @@
 PRGNAM="LDView"
 VERSION="4.1"
 HOMEPAGE="http://ldview.sourceforge.net"
-DOWNLOAD="http://www.nielshorn.net/_download/LDView-4.1.tar.gz"
+DOWNLOAD="http://www.nielshorn.net/_download/slackware/source/LDView-4.1.tar.gz"
 MD5SUM="942fc33b061bffc5d3e9cdf06622a878"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""

graphics/LDView/opengl.patch

@@ -0,0 +1,10 @@
+--- LDView-4.1/QT/ModelViewerWidget.cpp	2009-12-01 14:27:54.000000000 -0200
++++ LDView-4.1_patched/QT/ModelViewerWidget.cpp	2010-05-25 20:15:41.000000000 -0300
+@@ -403,6 +403,7 @@
+ 	if (!painting && (saving || !loading))
+ 	{
+ 		painting = true;
++		glEnable(GL_DEPTH_TEST);
+ 		if (saving)
+ 		{
+ 			if (!TREGLExtensions::haveFramebufferObjectExtension())