Add optional configuration file for specifying (existing) limits. Details explained by usage statement. More limits to be added in the future.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23105 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/runtests

@@ -4,10 +4,18 @@ TARGETDIR=localResults
 BASEDIR=baseResults
 EXE=./glslangValidator.exe
 
+#
+# configuration file test
+#
+echo running configuration file test
+$EXE -c > $TARGETDIR/test.conf
+diff -b $BASEDIR/test.conf $TARGETDIR/test.conf
+$EXE -i $TARGETDIR/test.conf specExamples.vert > $TARGETDIR/specExamples.vert.out
+diff -b $BASEDIR/specExamples.vert.out $TARGETDIR
+
 #
 # isolated compilation tests
 #
-
 while read t; do
     echo Running $t...
     b=`basename $t`
@@ -18,7 +26,6 @@ done < testlist
 #
 # grouped shaders for link tests
 #
-
 function runLinkTest {
     echo Running $*...
     $EXE -i -l $* > $TARGETDIR/$1.out
@@ -31,8 +38,8 @@ runLinkTest noMain.vert mains.frag
 #
 # multi-threaded test
 #
-
 echo Comparing single thread to multithread for all tests in current directory...
 $EXE -i *.vert *.geom *.frag *.tes* *.comp > singleThread.out
 $EXE -i *.vert *.geom *.frag *.tes* *.comp -t > multiThread.out
 diff singleThread.out multiThread.out
+