Adds a few missing checks into the initialization sequence of the shader-based renderer relying on JOGL 2.0

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9885 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/jogl/com/jme3/renderer/jogl/JoglRenderer.java

@@ -279,7 +279,9 @@ public class JoglRenderer implements Renderer {
             caps.add(Caps.FloatDepthBuffer);
         }
         
-        
+        if (caps.contains(Caps.OpenGL30)) {
+            caps.add(Caps.PackedDepthStencilBuffer);
+        }
 
         if (gl.isExtensionAvailable("GL_ARB_draw_instanced")) {
             caps.add(Caps.MeshInstancing);
@@ -302,6 +304,15 @@ public class JoglRenderer implements Renderer {
         if (gl.isExtensionAvailable("GL_ARB_vertex_array_object")) {
             caps.add(Caps.VertexBufferArray);
         }
+        
+        if (gl.isExtensionAvailable("GL_ARB_texture_non_power_of_two")) {
+            caps.add(Caps.NonPowerOfTwoTextures);
+        }
+        else {
+            logger.log(Level.WARNING, "Your graphics card does not "
+                    + "support non-power-of-2 textures. "
+                    + "Some features might not work.");
+        }
 
         boolean latc = gl.isExtensionAvailable("GL_EXT_texture_compression_latc");
         //FIXME ignore atdc?