added opengl samples

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22616 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/opengl/makefile.wat

@@ -35,7 +35,7 @@ WATCOM_CWD = $+ $(%cdrive):$(%cwd) $-
 
 ### Targets: ###
 
-all : .SYMBOLIC cube
+all : .SYMBOLIC cube isosurf penguin
 
 clean : .SYMBOLIC 
 	-if exist .\*.obj del .\*.obj
@@ -47,3 +47,13 @@ cube : .SYMBOLIC
 	cd cube
 	wmake $(__MAKEOPTS__) all
 	cd $(WATCOM_CWD)
+
+isosurf : .SYMBOLIC 
+	cd isosurf
+	wmake $(__MAKEOPTS__) all
+	cd $(WATCOM_CWD)
+
+penguin : .SYMBOLIC 
+	cd penguin
+	wmake $(__MAKEOPTS__) all
+	cd $(WATCOM_CWD)