Added GLSL ES 1.00 (OpenGL ES 2) shader support.

--HG--
branch : minor

src/modules/graphics/Graphics.h

@@ -87,6 +87,13 @@ public:
 		SUPPORT_MAX_ENUM
 	};
 
+	enum Renderer
+	{
+		RENDERER_OPENGL = 0,
+		RENDERER_OPENGLES,
+		RENDERER_MAX_ENUM
+	};
+
 	enum SystemLimit
 	{
 		LIMIT_POINT_SIZE,