Merging r5975 through r6036 from trunk to ogl-es branch.

GLES drivers adapted, but only did make compile-tests.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475

include/ETerrainElements.h

@@ -0,0 +1,36 @@
+// Copyright (C) 2002-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __E_TERRAIN_ELEMENTS_H__
+#define __E_TERRAIN_ELEMENTS_H__
+
+namespace irr
+{
+namespace scene
+{
+
+	//! enumeration for patch sizes specifying the size of patches in the TerrainSceneNode
+	enum E_TERRAIN_PATCH_SIZE
+	{
+		//! patch size of 9, at most, use 4 levels of detail with this patch size.
+		ETPS_9 = 9,
+
+		//! patch size of 17, at most, use 5 levels of detail with this patch size.
+		ETPS_17 = 17,
+
+		//! patch size of 33, at most, use 6 levels of detail with this patch size.
+		ETPS_33 = 33,
+
+		//! patch size of 65, at most, use 7 levels of detail with this patch size.
+		ETPS_65 = 65,
+
+		//! patch size of 129, at most, use 8 levels of detail with this patch size.
+		ETPS_129 = 129
+	};
+
+} // end namespace scene
+} // end namespace irr
+
+#endif
+