diff --git a/code/nel/src/3d/driver/opengl/driver_opengl_extension_def.h b/code/nel/src/3d/driver/opengl/driver_opengl_extension_def.h
index decd4a0c5..c1ecfe8c0 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_extension_def.h
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_extension_def.h
@@ -20,22 +20,67 @@
 
 #include "nel/misc/types_nl.h"
 
-#ifdef NL_OS_MAC
-# define GL_GLEXT_LEGACY
-# include <OpenGL/gl.h>
-# include "mac/glext.h"
+#ifdef USE_OPENGLES
+#	include <GLES/gl.h>
+#	include <GLES/glext.h>
 #else
-# include <GL/gl.h>
-# include <GL/glext.h>	// Please download it from http://www.opengl.org/registry/
-# if defined(NL_OS_WINDOWS)
-#  include <GL/wglext.h>
-# endif
+#	ifdef NL_OS_MAC
+#		define GL_GLEXT_LEGACY
+#		include <OpenGL/gl.h>
+#		include "mac/glext.h"
+#	else
+#		include <GL/gl.h>
+#		include <GL/glext.h>
+#		if defined(NL_OS_WINDOWS)
+#			include <GL/wglext.h>
+#		endif
+#	endif
 #endif
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+#ifdef USE_OPENGLES
+// OES_mapbuffer
+//==============
+typedef void* (APIENTRY * NEL_PFNGLMAPBUFFEROESPROC) (GLenum target, GLenum access);
+typedef GLboolean (APIENTRY * NEL_PFNGLUNMAPBUFFEROESPROC) (GLenum target);
+typedef void (APIENTRY * NEL_PFNGLGETBUFFERPOINTERVOESPROC) (GLenum target, GLenum pname, void** params);
+
+typedef void (APIENTRY * NEL_PFNGLBUFFERSUBDATAPROC) (GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid *data);
+
+// GL_OES_framebuffer_object
+//==================================
+typedef GLboolean (APIENTRY * NEL_PFNGLISRENDERBUFFEROESPROC) (GLuint renderbuffer);
+typedef void (APIENTRY * NEL_PFNGLBINDRENDERBUFFEROESPROC) (GLenum target, GLuint renderbuffer);
+typedef void (APIENTRY * NEL_PFNGLDELETERENDERBUFFERSOESPROC) (GLsizei n, const GLuint* renderbuffers);
+typedef void (APIENTRY * NEL_PFNGLGENRENDERBUFFERSOESPROC) (GLsizei n, GLuint* renderbuffers);
+typedef void (APIENTRY * NEL_PFNGLRENDERBUFFERSTORAGEOESPROC) (GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
+typedef void (APIENTRY * NEL_PFNGLGETRENDERBUFFERPARAMETERIVOESPROC) (GLenum target, GLenum pname, GLint* params);
+typedef GLboolean (APIENTRY * NEL_PFNGLISFRAMEBUFFEROESPROC) (GLuint framebuffer);
+typedef void (APIENTRY * NEL_PFNGLBINDFRAMEBUFFEROESPROC) (GLenum target, GLuint framebuffer);
+typedef void (APIENTRY * NEL_PFNGLDELETEFRAMEBUFFERSOESPROC) (GLsizei n, const GLuint* framebuffers);
+typedef void (APIENTRY * NEL_PFNGLGENFRAMEBUFFERSOESPROC) (GLsizei n, GLuint* framebuffers);
+typedef GLenum (APIENTRY * NEL_PFNGLCHECKFRAMEBUFFERSTATUSOESPROC) (GLenum target);
+typedef void (APIENTRY * NEL_PFNGLFRAMEBUFFERRENDERBUFFEROESPROC) (GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
+typedef void (APIENTRY * NEL_PFNGLFRAMEBUFFERTEXTURE2DOESPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+typedef void (APIENTRY * NEL_PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVOESPROC) (GLenum target, GLenum attachment, GLenum pname, GLint* params);
+typedef void (APIENTRY * NEL_PFNGLGENERATEMIPMAPOESPROC) (GLenum target);
+
+// GL_OES_texture_cube_map
+//==================================
+typedef void (APIENTRY * NEL_PFNGLTEXGENFOESPROC) (GLenum coord, GLenum pname, GLfloat param);
+typedef void (APIENTRY * NEL_PFNGLTEXGENFVOESPROC) (GLenum coord, GLenum pname, const GLfloat *params);
+typedef void (APIENTRY * NEL_PFNGLTEXGENIOESPROC) (GLenum coord, GLenum pname, GLint param);
+typedef void (APIENTRY * NEL_PFNGLTEXGENIVOESPROC) (GLenum coord, GLenum pname, const GLint *params);
+typedef void (APIENTRY * NEL_PFNGLTEXGENXOESPROC) (GLenum coord, GLenum pname, GLfixed param);
+typedef void (APIENTRY * NEL_PFNGLTEXGENXVOESPROC) (GLenum coord, GLenum pname, const GLfixed *params);
+typedef void (APIENTRY * NEL_PFNGLGETTEXGENFVOESPROC) (GLenum coord, GLenum pname, GLfloat *params);
+typedef void (APIENTRY * NEL_PFNGLGETTEXGENIVOESPROC) (GLenum coord, GLenum pname, GLint *params);
+typedef void (APIENTRY * NEL_PFNGLGETTEXGENXVOESPROC) (GLenum coord, GLenum pname, GLfixed *params);
+#endif
+
 // ***************************************************************************
 // ***************************************************************************
 // The NEL Functions Typedefs.
diff --git a/code/nel/src/3d/driver/opengl/driver_opengl_vertex_buffer_hard.h b/code/nel/src/3d/driver/opengl/driver_opengl_vertex_buffer_hard.h
index a2b7111f4..da454c558 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_vertex_buffer_hard.h
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_vertex_buffer_hard.h
@@ -113,7 +113,7 @@ protected:
 	bool		 _Invalid;
 };
 
-
+#ifndef USE_OPENGLES
 
 // ***************************************************************************
 // ***************************************************************************
@@ -456,6 +456,8 @@ public:
 	#endif
 };
 
+#endif
+
 // ***************************************************************************
 // ***************************************************************************
 // ARB_vertex_buffer_object implementation
@@ -553,6 +555,11 @@ private:
 	CVertexArrayRangeARB			*_VertexArrayRange;
 	CVertexBuffer::TPreferredMemory _MemType;
 	void							*_VertexPtr; // pointer on current datas. Null if not locked
+#ifdef USE_OPENGLES
+	uint8							*_Buffer;
+	uint32							_BufferSize;
+	uint32							_LastBufferSize;
+#endif
 	// if buffer has been invalidated, returns a dummy memory block and silently fails rendering
 	std::vector<uint8>				_DummyVB;
 	// for use by CVertexArrayRangeARB