Description: Mesa 17.2.x dropped "Gallium" from the renderer string, so look for "Mesa" in the version string

https://jogamp.org/bugzilla/show_bug.cgi?id=1357

--- a/src/jogl/classes/jogamp/opengl/GLContextImpl.java
+++ b/src/jogl/classes/jogamp/opengl/GLContextImpl.java
@@ -2113,7 +2113,7 @@ public abstract class GLContextImpl exte
     final boolean isES = 0 != ( ctp & GLContext.CTX_PROFILE_ES );
     final boolean isX11 = NativeWindowFactory.TYPE_X11 == NativeWindowFactory.getNativeWindowType(true);
     final boolean isWindows = Platform.getOSType() == Platform.OSType.WINDOWS;
-    final boolean isDriverMesa = glRenderer.contains(MesaSP) || glRenderer.contains("Gallium ");
+    final boolean isDriverMesa = glRenderer.contains(MesaSP) || glRenderer.contains("Gallium ") || glVersion.contains(MesaSP);
 
     final boolean isDriverATICatalyst;
     final boolean isDriverNVIDIAGeForce;