diff --git a/code/nel/src/3d/driver/opengl/driver_opengl.cpp b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
index 02ba70993..f222dc5a7 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
@@ -2508,8 +2508,13 @@ void CDriverGL::checkTextureOn() const
 		GLboolean flagCM;
 		GLboolean flagTR;
 		glGetBooleanv(GL_TEXTURE_2D, &flag2D);
+#ifdef USE_OPENGLES
+		glGetBooleanv(GL_TEXTURE_CUBE_MAP_OES, &flagCM);
+		flagTR = true; // always true in OpenGL ES
+#else
 		glGetBooleanv(GL_TEXTURE_CUBE_MAP_ARB, &flagCM);
 		glGetBooleanv(GL_TEXTURE_RECTANGLE_NV, &flagTR);
+#endif
 		switch(dgs.getTextureMode())
 		{
 			case CDriverGLStates::TextureDisabled:
@@ -2545,7 +2550,8 @@ bool CDriverGL::supportOcclusionQuery() const
 // ***************************************************************************
 bool CDriverGL::supportTextureRectangle() const
 {
-	H_AUTO_OGL(CDriverGL_supportTextureRectangle)
+	H_AUTO_OGL(CDriverGL_supportTextureRectangle);
+
 	return (_Extensions.NVTextureRectangle || _Extensions.EXTTextureRectangle || _Extensions.ARBTextureRectangle);
 }
 
diff --git a/code/nel/src/3d/driver/opengl/driver_opengl_material.cpp b/code/nel/src/3d/driver/opengl/driver_opengl_material.cpp
index 569aceb0c..9dd08a51f 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_material.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_material.cpp
@@ -137,7 +137,9 @@ void CDriverGL::setTextureEnvFunction(uint stage, CMaterial& mat)
 				_DriverGLStates.setTexGenMode (stage, GL_OBJECT_LINEAR);
 			}
 			else if(mode==CMaterial::TexCoordGenEyeSpace)
+			{
 				_DriverGLStates.setTexGenMode (stage, GL_EYE_LINEAR);
+			}
 		}
 		else
 		{
@@ -918,7 +920,11 @@ void			CDriverGL::setupLightMapPass(uint pass)
 				if (mat._LightMapsMulx2)
 				{
 					// Multiply x 2
+#ifdef USE_OPENGLES
+					glTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE, 2);
+#else
 					glTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, 2);
+#endif
 				}
 			}
 		}
@@ -1027,7 +1033,11 @@ void			CDriverGL::endLightMapMultiPass()
 		for (uint32 i = 0; i < (_NLightMapPerPass+1); ++i)
 		{
 			_DriverGLStates.activeTextureARB(i);
+#ifdef USE_OPENGLES
+			glTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE, 1);
+#else
 			glTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, 1);
+#endif
 		}
 	}
 }
@@ -1102,13 +1112,16 @@ void			CDriverGL::setupSpecularBegin()
 	// todo hulud remove
 	// _DriverGLStates.setTextureMode(CDriverGLStates::TextureCubeMap);
 
+#ifdef USE_OPENGLES
+	_DriverGLStates.setTexGenMode (1, GL_REFLECTION_MAP_OES);
+#else
 	_DriverGLStates.setTexGenMode (1, GL_REFLECTION_MAP_ARB);
+#endif
+
 	// setup the good matrix for stage 1.
 	glMatrixMode(GL_TEXTURE);
 	glLoadMatrixf( _SpecularTexMtx.get() );
 	glMatrixMode(GL_MODELVIEW);
-
-
 }
 
 // ***************************************************************************
@@ -1292,7 +1305,8 @@ void			CDriverGL::setupSpecularPass(uint pass)
 			_DriverGLStates.setTextureMode(CDriverGLStates::TextureDisabled);
 		}
 		else
-		{ // Multiply texture1 by alpha_texture0 and display with add
+		{
+			// Multiply texture1 by alpha_texture0 and display with add
 			_DriverGLStates.enableBlend(true);
 			_DriverGLStates.blendFunc(GL_ONE, GL_ONE);
 
diff --git a/code/nel/src/3d/driver/opengl/driver_opengl_states.cpp b/code/nel/src/3d/driver/opengl/driver_opengl_states.cpp
index e0c79c504..cf30758dc 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_states.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_states.cpp
@@ -77,7 +77,8 @@ void			CDriverGLStates::init(bool supportTextureCubeMap, bool supportTextureRect
 // ***************************************************************************
 void			CDriverGLStates::forceDefaults(uint nbStages)
 {
-	H_AUTO_OGL(CDriverGLStates_forceDefaults)
+	H_AUTO_OGL(CDriverGLStates_forceDefaults);
+
 	// Enable / disable.
 	_CurFog= false;
 	_CurBlend= false;
@@ -86,6 +87,7 @@ void			CDriverGLStates::forceDefaults(uint nbStages)
 	_CurLighting= false;
 	_CurZWrite= true;
 	_CurStencilTest=false;
+
 	// setup GLStates.
 	glDisable(GL_FOG);
 	glDisable(GL_BLEND);
@@ -642,10 +644,14 @@ void		CDriverGLStates::setTexGenMode (uint stage, GLint mode)
 
 		if(mode==0)
 		{
+#ifdef USE_OPENGLES
+			glDisable(GL_TEXTURE_GEN_STR_OES);
+#else
 			glDisable( GL_TEXTURE_GEN_S );
 			glDisable( GL_TEXTURE_GEN_T );
 			glDisable( GL_TEXTURE_GEN_R );
 			glDisable( GL_TEXTURE_GEN_Q );
+#endif
 		}
 		else
 		{
@@ -667,6 +673,7 @@ void		CDriverGLStates::setTexGenMode (uint stage, GLint mode)
 			{
 				glDisable( GL_TEXTURE_GEN_Q );
 			}
+
 			// Enable All.
 #ifdef USE_OPENGLES
 			glEnable(GL_TEXTURE_GEN_STR_OES);
@@ -853,22 +860,25 @@ void			CDriverGLStates::enableNormalArray(bool enable)
 // ***************************************************************************
 void			CDriverGLStates::enableWeightArray(bool enable)
 {
-	H_AUTO_OGL(CDriverGLStates_enableWeightArray)
+	H_AUTO_OGL(CDriverGLStates_enableWeightArray);
+
 	if(_WeightArrayEnabled != enable)
 	{
+#ifndef USE_OPENGLES
 		if(enable)
 			glEnableClientState(GL_VERTEX_WEIGHTING_EXT);
 		else
 			glDisableClientState(GL_VERTEX_WEIGHTING_EXT);
+#endif
+
 		_WeightArrayEnabled= enable;
-
-
 	}
 }
 // ***************************************************************************
 void			CDriverGLStates::enableColorArray(bool enable)
 {
-	H_AUTO_OGL(CDriverGLStates_enableColorArray)
+	H_AUTO_OGL(CDriverGLStates_enableColorArray);
+
 	if(_ColorArrayEnabled != enable)
 	{
 		if(enable)
@@ -885,14 +895,16 @@ void			CDriverGLStates::enableColorArray(bool enable)
 // ***************************************************************************
 void			CDriverGLStates::enableSecondaryColorArray(bool enable)
 {
-	H_AUTO_OGL(CDriverGLStates_enableSecondaryColorArray)
+	H_AUTO_OGL(CDriverGLStates_enableSecondaryColorArray);
+
 	if(_SecondaryColorArrayEnabled != enable)
 	{
+#ifndef USE_OPENGLES
 		if(enable)
 			glEnableClientState(GL_SECONDARY_COLOR_ARRAY_EXT);
 		else
 			glDisableClientState(GL_SECONDARY_COLOR_ARRAY_EXT);
-
+#endif
 
 		_SecondaryColorArrayEnabled= enable;
 
@@ -910,10 +922,15 @@ void			CDriverGLStates::enableSecondaryColorArray(bool enable)
 // ***************************************************************************
 void			CDriverGLStates::clientActiveTextureARB(uint stage)
 {
-	H_AUTO_OGL(CDriverGLStates_clientActiveTextureARB)
+	H_AUTO_OGL(CDriverGLStates_clientActiveTextureARB);
+
 	if( _CurrentClientActiveTextureARB != stage )
 	{
+#ifdef USE_OPENGLES
+		glClientActiveTexture(GL_TEXTURE0+stage);
+#else
 		nglClientActiveTextureARB(GL_TEXTURE0_ARB+stage);
+#endif
 		_CurrentClientActiveTextureARB= stage;
 	}
 }
@@ -921,7 +938,8 @@ void			CDriverGLStates::clientActiveTextureARB(uint stage)
 // ***************************************************************************
 void			CDriverGLStates::enableTexCoordArray(bool enable)
 {
-	H_AUTO_OGL(CDriverGLStates_enableTexCoordArray)
+	H_AUTO_OGL(CDriverGLStates_enableTexCoordArray);
+
 	if(_TexCoordArrayEnabled[_CurrentClientActiveTextureARB] != enable)
 	{
 		if(enable)
@@ -937,14 +955,16 @@ void			CDriverGLStates::enableTexCoordArray(bool enable)
 // ***************************************************************************
 void			CDriverGLStates::enableVertexAttribArray(uint glIndex, bool enable)
 {
-	H_AUTO_OGL(CDriverGLStates_enableVertexAttribArray)
+	H_AUTO_OGL(CDriverGLStates_enableVertexAttribArray);
+
 	if(_VertexAttribArrayEnabled[glIndex] != enable)
 	{
+#ifndef USE_OPENGLES
 		if(enable)
 			glEnableClientState(glIndex+GL_VERTEX_ATTRIB_ARRAY0_NV);
 		else
 			glDisableClientState(glIndex+GL_VERTEX_ATTRIB_ARRAY0_NV);
-
+#endif
 
 		_VertexAttribArrayEnabled[glIndex]= enable;
 	}
@@ -953,15 +973,18 @@ void			CDriverGLStates::enableVertexAttribArray(uint glIndex, bool enable)
 // ***************************************************************************
 void CDriverGLStates::enableVertexAttribArrayARB(uint glIndex,bool enable)
 {
-	H_AUTO_OGL(CDriverGLStates_enableVertexAttribArrayARB)
+	H_AUTO_OGL(CDriverGLStates_enableVertexAttribArrayARB);
+
 	#ifndef NL3D_GLSTATE_DISABLE_CACHE
 		if(_VertexAttribArrayEnabled[glIndex] != enable)
 	#endif
 	{
+#ifndef USE_OPENGLES
 		if(enable)
 			nglEnableVertexAttribArrayARB(glIndex);
 		else
 			nglDisableVertexAttribArrayARB(glIndex);
+#endif
 
 		_VertexAttribArrayEnabled[glIndex]= enable;
 	}
diff --git a/code/nel/src/3d/driver/opengl/driver_opengl_vertex_buffer_hard.cpp b/code/nel/src/3d/driver/opengl/driver_opengl_vertex_buffer_hard.cpp
index ce436dcc6..3c74d02b4 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_vertex_buffer_hard.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_vertex_buffer_hard.cpp
@@ -1210,19 +1210,37 @@ IVertexBufferHardGL *CVertexArrayRangeARB::createVBHardGL(uint size, CVertexBuff
 	// create a ARB VBHard
 	GLuint vertexBufferID;
 	glGetError();
+
+#ifdef USE_OPENGLES
+	glGenBuffers(1, &vertexBufferID);
+#else
 	nglGenBuffersARB(1, &vertexBufferID);
+#endif
+
 	if (glGetError() != GL_NO_ERROR) return false;
 	_Driver->_DriverGLStates.forceBindARBVertexBuffer(vertexBufferID);
 	switch(_VBType)
 	{
 		case CVertexBuffer::AGPPreferred:
+#ifdef USE_OPENGLES
+			glBufferData(GL_ARRAY_BUFFER, size, NULL, GL_DYNAMIC_DRAW);
+#else
 			nglBufferDataARB(GL_ARRAY_BUFFER_ARB, size, NULL, GL_DYNAMIC_DRAW_ARB);
+#endif
 			break;
 		case CVertexBuffer::StaticPreferred:
 			if (_Driver->getStaticMemoryToVRAM())
+#ifdef USE_OPENGLES
+				glBufferData(GL_ARRAY_BUFFER, size, NULL, GL_STATIC_DRAW);
+#else
 				nglBufferDataARB(GL_ARRAY_BUFFER_ARB, size, NULL, GL_STATIC_DRAW_ARB);
+#endif
 			else
+#ifdef USE_OPENGLES
+				glBufferData(GL_ARRAY_BUFFER, size, NULL, GL_DYNAMIC_DRAW);
+#else
 				nglBufferDataARB(GL_ARRAY_BUFFER_ARB, size, NULL, GL_DYNAMIC_DRAW_ARB);
+#endif
 			break;
 		default:
 			nlassert(0);
@@ -1230,7 +1248,12 @@ IVertexBufferHardGL *CVertexArrayRangeARB::createVBHardGL(uint size, CVertexBuff
 	}
 	if (glGetError() != GL_NO_ERROR)
 	{
+#ifdef USE_OPENGLES
+		glDeleteBuffers(1, &vertexBufferID);
+#else
 		nglDeleteBuffersARB(1, &vertexBufferID);
+#endif
+
 		return false;
 	}
 	CVertexBufferHardARB *newVbHard= new CVertexBufferHardARB(_Driver, vb);
@@ -1272,8 +1295,13 @@ void CVertexArrayRangeARB::updateLostBuffers()
 		{
 			nlassert((*it)->_VertexObjectId);
 			GLuint id = (GLuint) (*it)->_VertexObjectId;
+#ifdef USE_OPENGLES
+			nlassert(glIsBuffer(id));
+			glDeleteBuffers(1, &id);
+#else
 			nlassert(nglIsBufferARB(id));
 			nglDeleteBuffersARB(1, &id);
+#endif
 			(*it)->_VertexObjectId = 0;
 			(*it)->VB->setLocation(CVertexBuffer::NotResident);
 		}
@@ -1316,8 +1344,13 @@ CVertexBufferHardARB::~CVertexBufferHardARB()
 	if (_VertexObjectId)
 	{
 		GLuint id = (GLuint) _VertexObjectId;
+#ifdef USE_OPENGLES
+		nlassert(glIsBuffer(id));
+		glDeleteBuffers(1, &id);
+#else
 		nlassert(nglIsBufferARB(id));
 		nglDeleteBuffersARB(1, &id);
+#endif
 	}
 	if (_VertexArrayRange)
 	{
@@ -1341,7 +1374,8 @@ CVertexBufferHardARB::~CVertexBufferHardARB()
 // ***************************************************************************
 void *CVertexBufferHardARB::lock()
 {
-	H_AUTO_OGL(CVertexBufferHardARB_lock)
+	H_AUTO_OGL(CVertexBufferHardARB_lock);
+
 	if (_VertexPtr) return _VertexPtr; // already locked
 	if (_Invalid)
 	{
@@ -1352,7 +1386,13 @@ void *CVertexBufferHardARB::lock()
 		}
 		// recreate a vb
 		GLuint vertexBufferID;
+
+#ifdef USE_OPENGLES
+		glGenBuffers(1, &vertexBufferID);
+#else
 		nglGenBuffersARB(1, &vertexBufferID);
+#endif
+
 		if (glGetError() != GL_NO_ERROR)
 		{
 			_Driver->incrementResetCounter();
@@ -1363,13 +1403,25 @@ void *CVertexBufferHardARB::lock()
 		switch(_MemType)
 		{
 			case CVertexBuffer::AGPPreferred:
+#ifdef USE_OPENGLES
+				glBufferData(GL_ARRAY_BUFFER, size, NULL, GL_DYNAMIC_DRAW);
+#else
 				nglBufferDataARB(GL_ARRAY_BUFFER_ARB, size, NULL, GL_DYNAMIC_DRAW_ARB);
+#endif
 			break;
 			case CVertexBuffer::StaticPreferred:
 				if (_Driver->getStaticMemoryToVRAM())
+#ifdef USE_OPENGLES
+					glBufferData(GL_ARRAY_BUFFER, size, NULL, GL_STATIC_DRAW);
+#else
 					nglBufferDataARB(GL_ARRAY_BUFFER_ARB, size, NULL, GL_STATIC_DRAW_ARB);
+#endif
 				else
+#ifdef USE_OPENGLES
+					glBufferData(GL_ARRAY_BUFFER, size, NULL, GL_DYNAMIC_DRAW);
+#else
 					nglBufferDataARB(GL_ARRAY_BUFFER_ARB, size, NULL, GL_DYNAMIC_DRAW_ARB);
+#endif
 			break;
 			default:
 				nlassert(0);
@@ -1378,7 +1430,11 @@ void *CVertexBufferHardARB::lock()
 		if (glGetError() != GL_NO_ERROR)
 		{
 			_Driver->incrementResetCounter();
+#ifdef USE_OPENGLES
+			glDeleteBuffers(1, &vertexBufferID);
+#else
 			nglDeleteBuffersARB(1, &vertexBufferID);
+#endif
 			return &_DummyVB[0];;
 		}
 		_VertexObjectId = vertexBufferID;