diff --git a/vtm/src/org/oscim/layers/labeling/TextRenderLayer.java b/vtm/src/org/oscim/layers/labeling/TextRenderLayer.java
index 58167d29..49cb6f37 100644
--- a/vtm/src/org/oscim/layers/labeling/TextRenderLayer.java
+++ b/vtm/src/org/oscim/layers/labeling/TextRenderLayer.java
@@ -698,7 +698,7 @@ class TextRenderLayer extends BasicRenderLayer {
 	@Override
 	public synchronized void render(MapPosition pos, Matrices m) {
 
-		GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, layers.vbo.id);
+		layers.vbo.bind();
 		GLState.test(false, false);
 
 		float scale = (float) (mMapPosition.scale / pos.scale);
diff --git a/vtm/src/org/oscim/layers/tile/TileRenderLayer.java b/vtm/src/org/oscim/layers/tile/TileRenderLayer.java
index cfe038f6..99d30910 100644
--- a/vtm/src/org/oscim/layers/tile/TileRenderLayer.java
+++ b/vtm/src/org/oscim/layers/tile/TileRenderLayer.java
@@ -17,8 +17,7 @@ package org.oscim.layers.tile;
 import static org.oscim.layers.tile.MapTile.STATE_NEW_DATA;
 import static org.oscim.layers.tile.MapTile.STATE_READY;
 
-import java.util.Arrays;
-
+import org.oscim.backend.GL20;
 import org.oscim.backend.Log;
 import org.oscim.core.MapPosition;
 import org.oscim.renderer.BufferObject;
@@ -65,8 +64,6 @@ public class TileRenderLayer extends RenderLayer {
 
 		if (tilesChanged || positionChanged){
 			updateTileVisibility(m.mapPlane);
-			Log.d(TAG, tileCnt + " >> " + Arrays.deepToString(tiles));
-
 		}
 		tileCnt += mNumTileHolder;
 
@@ -156,7 +153,7 @@ public class TileRenderLayer extends RenderLayer {
 		if (newSize > 0) {
 
 			if (tile.layers.vbo == null)
-				tile.layers.vbo = BufferObject.get(newSize);
+				tile.layers.vbo = BufferObject.get(GL20.GL_ARRAY_BUFFER, newSize);
 
 			if (!GLRenderer.uploadLayers(tile.layers, newSize, true)) {
 				Log.d(TAG, "BUG uploadTileData " + tile + " failed!");
diff --git a/vtm/src/org/oscim/layers/tile/TileRenderer.java b/vtm/src/org/oscim/layers/tile/TileRenderer.java
index a4c2f032..5c74b4ef 100644
--- a/vtm/src/org/oscim/layers/tile/TileRenderer.java
+++ b/vtm/src/org/oscim/layers/tile/TileRenderer.java
@@ -130,7 +130,7 @@ public class TileRenderer {
 			return;
 		}
 
-		t.layers.vbo.bindArrayBuffer();
+		t.layers.vbo.bind();
 
 		// place tile relative to map position
 		int z = tile.zoomLevel;
diff --git a/vtm/src/org/oscim/renderer/BufferObject.java b/vtm/src/org/oscim/renderer/BufferObject.java
index d999120e..86d58f20 100644
--- a/vtm/src/org/oscim/renderer/BufferObject.java
+++ b/vtm/src/org/oscim/renderer/BufferObject.java
@@ -37,44 +37,35 @@ public final class BufferObject {
 
 	BufferObject next;
 
-	BufferObject(int id) {
+	int target;
+
+	BufferObject(int target, int id) {
 		this.id = id;
+		this.target = target;
 	}
 
-	int bufferType;
-
-	public void loadBufferData(Buffer buf, int newSize, int type) {
+	public void loadBufferData(Buffer buf, int newSize) {
 		boolean clear = false;
 
-		if (type != bufferType) {
-			if (bufferType != 0)
-				clear = true;
-			bufferType = type;
-		}
-
-		if (buf.position() != 0){
+		if (buf.position() != 0) {
 			Log.d(TAG, "rewind your buffer: " + buf.position());
 		}
 
-		GL.glBindBuffer(type, id);
+		GL.glBindBuffer(target, id);
 
 		// reuse memory allocated for vbo when possible and allocated
 		// memory is less then four times the new data
 		if (!clear && (size > newSize) && (size < newSize * 4)) {
-			GL.glBufferSubData(type, 0, newSize, buf);
+			GL.glBufferSubData(target, 0, newSize, buf);
 		} else {
 			mBufferMemoryUsage += newSize - size;
 			size = newSize;
-			GL.glBufferData(type, size, buf, GL20.GL_DYNAMIC_DRAW);
+			GL.glBufferData(target, size, buf, GL20.GL_DYNAMIC_DRAW);
 		}
 	}
 
-	public void bindArrayBuffer() {
-		GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, id);
-	}
-
-	public void bindIndexBuffer() {
-		GL.glBindBuffer(GL20.GL_ELEMENT_ARRAY_BUFFER, id);
+	public void bind() {
+		GL.glBindBuffer(target, id);
 	}
 
 	// ---------------------------- pool ----------------------------
@@ -87,37 +78,39 @@ public final class BufferObject {
 			return;
 
 		Log.d(TAG, "buffer object usage: "
-				+ mBufferMemoryUsage / MB
-				+ "MB, force: " + force);
+		           + mBufferMemoryUsage / MB
+		           + "MB, force: " + force);
 
 		mBufferMemoryUsage -= BufferObject.limitUsage(1024 * 1024);
 
 		Log.d(TAG, "now: " + mBufferMemoryUsage / MB + "MB");
 	}
 
-	private static BufferObject pool;
-	static int counter = 0;
+	private static BufferObject pool[] = new BufferObject[2];
+	static int counter[] = new int[2];
 
-	public static synchronized BufferObject get(int size) {
+	public static synchronized BufferObject get(int target, int size) {
 
-		if (pool == null) {
-			if (counter != 0)
+		int t = (target == GL20.GL_ARRAY_BUFFER) ? 0 : 1;
+
+		if (pool[t] == null) {
+			if (counter[t] != 0)
 				Log.d(TAG, "BUG: missing BufferObjects: " + counter);
 
-			createBuffers(10);
-			counter += 10;
+			createBuffers(target, 10);
+			counter[t] += 10;
 		}
-		counter--;
+		counter[t]--;
 
 		if (size != 0) {
 			// find an item that has bound more than 'size' bytes.
 			// this has the advantage that either memory can be reused or
 			// a large unused block will be replaced by a smaller one.
 			BufferObject prev = null;
-			for (BufferObject bo = pool; bo != null; bo = bo.next) {
+			for (BufferObject bo = pool[t]; bo != null; bo = bo.next) {
 				if (bo.size > size) {
 					if (prev == null)
-						pool = bo.next;
+						pool[t] = bo.next;
 					else
 						prev.next = bo.next;
 
@@ -127,8 +120,9 @@ public final class BufferObject {
 				prev = bo;
 			}
 		}
-		BufferObject bo = pool;
-		pool = pool.next;
+
+		BufferObject bo = pool[t];
+		pool[t] = pool[t].next;
 		bo.next = null;
 		return bo;
 	}
@@ -137,64 +131,78 @@ public final class BufferObject {
 		if (bo == null)
 			return;
 
-		//if (counter > 200) {
-		//	Log.d(TAG, "should clear some buffers " + counter);
-		//}
+		// if (counter > 200) {
+		// Log.d(TAG, "should clear some buffers " + counter);
+		// }
+		int t = (bo.target == GL20.GL_ARRAY_BUFFER) ? 0 : 1;
 
-		bo.next = pool;
-		pool = bo;
-		counter++;
+		bo.next = pool[t];
+		pool[t] = bo;
+		counter[t]++;
 	}
 
 	// Note: only call from GL-Thread
 	static synchronized int limitUsage(int reduce) {
-		if (pool == null) {
-			Log.d(TAG, "nothing to free");
-			return 0;
-		}
+
 		int vboIds[] = new int[10];
-		int removed = 0;
 		int freed = 0;
-		BufferObject prev = pool;
 
-		for (BufferObject bo = pool.next; bo != null;) {
-			if (bo.size > 0) {
-				freed += bo.size;
-				bo.size = 0;
-				vboIds[removed++] = bo.id;
-				prev.next = bo.next;
-				bo = bo.next;
-				if (removed == 10 || reduce < freed)
-					break;
+		for (int t = 0; t < 2; t++) {
 
-			} else {
-				prev = bo;
-				bo = bo.next;
+			int removed = 0;
+			BufferObject prev = pool[t];
+
+			if (prev == null) {
+				Log.d(TAG, "nothing to free");
+				return 0;
+			}
+
+			for (BufferObject bo = pool[t].next; bo != null;) {
+				if (bo.size > 0) {
+					freed += bo.size;
+					bo.size = 0;
+
+					vboIds[removed++] = bo.id;
+					prev.next = bo.next;
+					bo = bo.next;
+
+					if (removed == 10 || reduce < freed)
+						break;
+
+				} else {
+					prev = bo;
+					bo = bo.next;
+				}
+			}
+
+			if (removed > 0) {
+				GlUtils.glDeleteBuffers(removed, vboIds);
+				counter[t] -= removed;
 			}
-		}
 
-		if (removed > 0) {
-			GlUtils.glDeleteBuffers(removed, vboIds);
-			counter -= removed;
 		}
 
 		return freed;
 	}
 
-	static void createBuffers(int num) {
+	static void createBuffers(int target, int num) {
 		int[] mVboIds = GlUtils.glGenBuffers(num);
 
+		int t = (target == GL20.GL_ARRAY_BUFFER) ? 0 : 1;
+
 		for (int i = 0; i < num; i++) {
-			BufferObject bo = new BufferObject(mVboIds[i]);
-			bo.next = pool;
-			pool = bo;
+			BufferObject bo = new BufferObject(target, mVboIds[i]);
+			bo.next = pool[t];
+			pool[t] = bo;
 		}
 	}
 
 	static synchronized void init(int num) {
 		mBufferMemoryUsage = 0;
-		pool = null;
-		createBuffers(num);
-		counter = num;
+
+		// FIXME!!!!! pool = new BufferObject[2];
+
+		createBuffers(GL20.GL_ARRAY_BUFFER, num);
+		counter[0] = num;
 	}
 }
diff --git a/vtm/src/org/oscim/renderer/GLRenderer.java b/vtm/src/org/oscim/renderer/GLRenderer.java
index 94931f81..b6dd8654 100644
--- a/vtm/src/org/oscim/renderer/GLRenderer.java
+++ b/vtm/src/org/oscim/renderer/GLRenderer.java
@@ -137,7 +137,7 @@ public class GLRenderer {
 		int tmpBufferSize;
 
 		void growBuffer(int size) {
-			Log.d(TAG, "grow buffer " + size);
+			//Log.d(TAG, "grow buffer " + size);
 			// 32kb min size
 			if (size < (1 << 15))
 				size = (1 << 15);
@@ -243,7 +243,7 @@ public class GLRenderer {
 		}
 		newSize *= SHORT_BYTES;
 
-		layers.vbo.loadBufferData(sbuf, newSize, GL20.GL_ARRAY_BUFFER);
+		layers.vbo.loadBufferData(sbuf, newSize);
 		return true;
 	}
 
@@ -395,9 +395,9 @@ public class GLRenderer {
 	}
 
 	public void onSurfaceCreated() {
-		
+
 		Log.d(TAG, "surface created");
-		
+
 		// Log.d(TAG, GL.glGetString(GL20.GL_EXTENSIONS));
 
 		// classes that require GL context for initialization
diff --git a/vtm/src/org/oscim/renderer/layers/BasicRenderLayer.java b/vtm/src/org/oscim/renderer/layers/BasicRenderLayer.java
index 4a55b6f1..b67dea3b 100644
--- a/vtm/src/org/oscim/renderer/layers/BasicRenderLayer.java
+++ b/vtm/src/org/oscim/renderer/layers/BasicRenderLayer.java
@@ -15,7 +15,6 @@
 package org.oscim.renderer.layers;
 
 import org.oscim.backend.GL20;
-import org.oscim.backend.GLAdapter;
 import org.oscim.core.MapPosition;
 import org.oscim.renderer.BufferObject;
 import org.oscim.renderer.GLRenderer;
@@ -37,8 +36,6 @@ import org.oscim.view.MapView;
  */
 public abstract class BasicRenderLayer extends RenderLayer {
 
-	private static final GL20 GL = GLAdapter.get();
-
 	public final Layers layers;
 
 	public BasicRenderLayer(MapView mapView) {
@@ -55,7 +52,7 @@ public abstract class BasicRenderLayer extends RenderLayer {
 
 		float div = FastMath.pow(pos.zoomLevel - curPos.zoomLevel);
 
-		GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, layers.vbo.id);
+		layers.vbo.bind();
 		GLState.test(false, false);
 		GLState.blend(true);
 		int simple = (curPos.tilt < 1 ? 1 : 0);
@@ -91,10 +88,6 @@ public abstract class BasicRenderLayer extends RenderLayer {
 						l = BitmapRenderer.draw(l, 1, m);
 						break;
 
-//					case Layer.SYMBOL:
-//						l = BitmapRenderer.draw(l, 1, m);
-//						break;
-
 					default:
 						l = TextureRenderer.draw(l, scale, m);
 				}
@@ -113,7 +106,7 @@ public abstract class BasicRenderLayer extends RenderLayer {
 		}
 
 		if (layers.vbo == null) {
-			layers.vbo = BufferObject.get(newSize);
+			layers.vbo = BufferObject.get(GL20.GL_ARRAY_BUFFER, newSize);
 
 			if (layers.vbo == null)
 				return;
diff --git a/vtm/src/org/oscim/renderer/layers/CustomRenderLayer2.java b/vtm/src/org/oscim/renderer/layers/CustomRenderLayer2.java
index c1377b53..77326498 100644
--- a/vtm/src/org/oscim/renderer/layers/CustomRenderLayer2.java
+++ b/vtm/src/org/oscim/renderer/layers/CustomRenderLayer2.java
@@ -95,8 +95,8 @@ public class CustomRenderLayer2 extends RenderLayer {
 		buf.put(vertices);
 		buf.flip();
 
-		mVBO = BufferObject.get(0);
-		mVBO.loadBufferData(buf, 12 * 4, GL20.GL_ARRAY_BUFFER);
+		mVBO = BufferObject.get(GL20.GL_ARRAY_BUFFER, 0);
+		mVBO.loadBufferData(buf, 12 * 4);
 		newData = false;
 
 		// tell GLRender to call 'render'
@@ -113,7 +113,7 @@ public class CustomRenderLayer2 extends RenderLayer {
 		GLState.test(false, false);
 
 		// bind VBO data
-		GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, mVBO.id);
+		mVBO.bind();
 
 		// set VBO vertex layout
 		GL.glVertexAttribPointer(hVertexPosition, 2, GL20.GL_FLOAT, false, 0, 0);
diff --git a/vtm/src/org/oscim/renderer/layers/ExtrusionRenderLayer.java b/vtm/src/org/oscim/renderer/layers/ExtrusionRenderLayer.java
index c7c786cb..4a32e31c 100644
--- a/vtm/src/org/oscim/renderer/layers/ExtrusionRenderLayer.java
+++ b/vtm/src/org/oscim/renderer/layers/ExtrusionRenderLayer.java
@@ -14,10 +14,6 @@
  */
 package org.oscim.renderer.layers;
 
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-import java.nio.ShortBuffer;
-
 import org.oscim.backend.GL20;
 import org.oscim.backend.GLAdapter;
 import org.oscim.backend.Log;
@@ -203,8 +199,8 @@ public class ExtrusionRenderLayer extends RenderLayer {
 				setMatrix(pos, m, tiles[i], 0);
 				m.mvp.setAsUniform(uExtMatrix);
 
-				GL.glBindBuffer(GL20.GL_ELEMENT_ARRAY_BUFFER, el.vboIndices.id);
-				GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, el.vboVertices.id);
+				el.vboIndices.bind();
+				el.vboVertices.bind();
 
 				GL.glVertexAttribPointer(uExtVertexPosition, 3,
 						GL20.GL_SHORT, false, 8, 0);
@@ -255,8 +251,8 @@ public class ExtrusionRenderLayer extends RenderLayer {
 			setMatrix(pos, m, t, d);
 			m.mvp.setAsUniform(uExtMatrix);
 
-			GL.glBindBuffer(GL20.GL_ELEMENT_ARRAY_BUFFER, el.vboIndices.id);
-			GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, el.vboVertices.id);
+			el.vboIndices.bind();
+			el.vboVertices.bind();
 
 			GL.glVertexAttribPointer(uExtVertexPosition, 3,
 					GL20.GL_SHORT, false, 8, 0);
@@ -281,8 +277,8 @@ public class ExtrusionRenderLayer extends RenderLayer {
 			setMatrix(pos, m, t, d);
 			m.mvp.setAsUniform(uExtMatrix);
 
-			GL.glBindBuffer(GL20.GL_ELEMENT_ARRAY_BUFFER, el.vboIndices.id);
-			GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, el.vboVertices.id);
+			el.vboIndices.bind();
+			el.vboVertices.bind();
 
 			GL.glVertexAttribPointer(uExtVertexPosition, 3,
 					GL20.GL_SHORT, false, 8, 0);
diff --git a/vtm/src/org/oscim/renderer/layers/TextRenderLayer.java b/vtm/src/org/oscim/renderer/layers/TextRenderLayer.java
index b8e27b44..a4239ed8 100644
--- a/vtm/src/org/oscim/renderer/layers/TextRenderLayer.java
+++ b/vtm/src/org/oscim/renderer/layers/TextRenderLayer.java
@@ -28,8 +28,6 @@ package org.oscim.renderer.layers;
 // 5 R-Tree might be handy
 //
 
-import org.oscim.backend.GL20;
-import org.oscim.backend.GLAdapter;
 import org.oscim.backend.canvas.Color;
 import org.oscim.core.MapPosition;
 import org.oscim.core.Tile;
@@ -56,13 +54,13 @@ import org.oscim.view.MapViewPosition;
 
 
 public class TextRenderLayer extends BasicRenderLayer {
-	private final static String TAG = TextRenderLayer.class.getName();
-	private static final GL20 GL = GLAdapter.get();
+	//private final static String TAG = TextRenderLayer.class.getName();
+	//private static final GL20 GL = GLAdapter.get();
 
 	private final static float MIN_CAPTION_DIST = 5;
 	private final static float MIN_WAY_DIST = 3;
 
-	private final static long MAX_RELABEL_DELAY = 200;
+	//private final static long MAX_RELABEL_DELAY = 200;
 
 	private final MapViewPosition mMapViewPosition;
 	private final TileSet mTileSet;
@@ -734,7 +732,7 @@ public class TextRenderLayer extends BasicRenderLayer {
 	@Override
 	public synchronized void render(MapPosition pos, Matrices m) {
 
-		GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, layers.vbo.id);
+		layers.vbo.bind();
 		GLState.test(false, false);
 
 		float scale = (float) (mMapPosition.scale / pos.scale);
@@ -758,7 +756,7 @@ public class TextRenderLayer extends BasicRenderLayer {
 			l = TextureRenderer.draw(l, scale, m);
 	}
 
-	private boolean mHolding;
+	//private boolean mHolding;
 
 	/**
 	 * @param enable layer updates
diff --git a/vtm/src/org/oscim/renderer/layers/test/ModelRenderLayer.java b/vtm/src/org/oscim/renderer/layers/test/ModelRenderLayer.java
index 8da391db..85fefd50 100644
--- a/vtm/src/org/oscim/renderer/layers/test/ModelRenderLayer.java
+++ b/vtm/src/org/oscim/renderer/layers/test/ModelRenderLayer.java
@@ -15,130 +15,55 @@
 package org.oscim.renderer.layers.test;
 
 
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-import java.nio.FloatBuffer;
-
-import org.oscim.view.MapView;
 import org.oscim.core.MapPosition;
 import org.oscim.renderer.GLRenderer.Matrices;
 import org.oscim.renderer.RenderLayer;
+import org.oscim.view.MapView;
 public class ModelRenderLayer extends RenderLayer{
 
 	public ModelRenderLayer(MapView mapView) {
 		super(mapView);
-		// TODO Auto-generated constructor stub
 	}
 
 	@Override
 	public void update(MapPosition pos, boolean changed, Matrices m) {
-		// TODO Auto-generated method stub
-
 	}
 
 	@Override
 	public void compile() {
-		// TODO Auto-generated method stub
-
 	}
 
 	@Override
 	public void render(MapPosition pos, Matrices m) {
-		// TODO Auto-generated method stub
-
 	}
 
-	// based on edu.spsu.logo.SimpleRenderer (c) Jeff Chastine
-	private FloatBuffer vertexBuffer;				// A buffer to hold the geometry/vertices
-    private FloatBuffer normalBuffer;				// A buffer to hold the normals of each vertex
-    private FloatBuffer texCoordBuffer;				// A buffer to hold the texture coordinates for each vertex
-    //private FloatBuffer lightBuffer;				// A buffer to hold the position of a light
 
-	 private void initShapes() {
 
-			float sin30 = (float)Math.sin(Math.PI/6.0);
-			float cos30 = (float)Math.cos(Math.PI/6.0);
-
-			float hexagonCoords[] = {
-					0.0f, 0.0f, 0.0f,			// Hexagon face of SPSU logo
-		            cos30, sin30, 0.0f,
-		            0.0f, 1.0f, 0.0f,
-		            -cos30, sin30, 0.0f,
-		            -cos30, -sin30, 0.0f,
-		            0.0f, -1.0f, 0.0f,
-		            cos30, -sin30, 0.0f,
-		            cos30, sin30, 0.0f
-		    };
-
-			float hexagonNormals[] = {
-					 0.0f, 0.0f, 1.0f,			// Normals for each vertex
-			         0.0f, 0.0f, 1.0f,
-			         0.0f, 0.0f, 1.0f,
-			         0.0f, 0.0f, 1.0f,
-			         0.0f, 0.0f, 1.0f,
-			         0.0f, 0.0f, 1.0f,
-			         0.0f, 0.0f, 1.0f,
-			         0.0f, 0.0f, 1.0f
-			};
-
-			float hexagonTexCoords[] = {
-					0.5f, 0.5f,					// Texture coordinates for each vertex
-		            -cos30/2.0f+0.5f, -sin30/2.0f+0.5f,
-		            0.5f, 0.0f,
-		            cos30/2.0f+0.5f, -sin30/2.0f+0.5f,
-		            cos30/2.0f+0.5f, sin30/2.0f+0.5f,
-		            0.5f, 1.0f,
-		            -cos30/2.0f+0.5f, sin30/2.0f+0.5f,
-		            -cos30/2.0f+0.5f, -sin30/2.0f+0.5f,
-		    };
-
-			// Load all of that info into 3 buffers
-			ByteBuffer vbb = ByteBuffer.allocateDirect(hexagonCoords.length*4);
-			vbb.order (ByteOrder.nativeOrder());
-			vertexBuffer = vbb.asFloatBuffer();	// make a buffer from a buffer
-			vertexBuffer.put(hexagonCoords);	// add the coords to the float buffer
-			vertexBuffer.position(0);			// set the reading pointer back to 0
-
-			ByteBuffer vbb2 = ByteBuffer.allocateDirect(hexagonNormals.length*4);
-			vbb2.order (ByteOrder.nativeOrder());
-			normalBuffer = vbb2.asFloatBuffer();	// make a buffer from a buffer
-			normalBuffer.put(hexagonNormals);	// add the coords to the float buffer
-			normalBuffer.position(0);			// set the reading pointer back to 0
-
-			ByteBuffer vbb3 = ByteBuffer.allocateDirect(hexagonTexCoords.length*4);
-			vbb3.order (ByteOrder.nativeOrder());
-			texCoordBuffer = vbb3.asFloatBuffer();	// make a buffer from a buffer
-			texCoordBuffer.put(hexagonTexCoords);	// add the coords to the float buffer
-			texCoordBuffer.position(0);			// set the reading pointer back to 0
-
-		}
-
-	private final static String vertexShader = ""
-			+ "uniform mat4 uMVPMatrix;"
-			+ "uniform vec4 uLightPos;"
-			+ "attribute vec4 vPosition;"
-			+ "attribute vec4 vNormal;"
-			+ "attribute vec2 aTextureCoord;"
-			+ "varying vec2 vTextureCoord;"
-			+ "varying vec4 color;"
-			+
-
-			"void main() {"
-			//"  vec4 normal = vNormal*uMVPMatrix;" +
-			+ "  vec3 light = normalize (uLightPos.xyz);"
-			+ "  vec3 normal = normalize (vNormal.xyz);"
-			+ "  vTextureCoord = aTextureCoord;"
-			+ "  color = vec4 (0.6, 0.8, 0.1, 1.0)*max(0.2, dot(normal, light));"
-			+ "  gl_Position = uMVPMatrix * vPosition;"
-			+ "}";
-
-	private final static String fragmentShader = ""
-			+ "precision mediump float;"
-			+ "varying vec4 color;"
-			+ "varying vec2 vTextureCoord;"
-			+ "uniform sampler2D sTexture;"
-			+ "void main() {"
-			+ "  gl_FragColor = color + texture2D(sTexture, vTextureCoord);"
-			+ "}";
+//	private final static String vertexShader = ""
+//			+ "uniform mat4 uMVPMatrix;"
+//			+ "uniform vec4 uLightPos;"
+//			+ "attribute vec4 vPosition;"
+//			+ "attribute vec4 vNormal;"
+//			+ "attribute vec2 aTextureCoord;"
+//			+ "varying vec2 vTextureCoord;"
+//			+ "varying vec4 color;"
+//			+
+//
+//			"void main() {"
+//			+ "  vec3 light = normalize (uLightPos.xyz);"
+//			+ "  vec3 normal = normalize (vNormal.xyz);"
+//			+ "  vTextureCoord = aTextureCoord;"
+//			+ "  color = vec4 (0.6, 0.8, 0.1, 1.0)*max(0.2, dot(normal, light));"
+//			+ "  gl_Position = uMVPMatrix * vPosition;"
+//			+ "}";
+//
+//	private final static String fragmentShader = ""
+//			+ "precision mediump float;"
+//			+ "varying vec4 color;"
+//			+ "varying vec2 vTextureCoord;"
+//			+ "uniform sampler2D sTexture;"
+//			+ "void main() {"
+//			+ "  gl_FragColor = color + texture2D(sTexture, vTextureCoord);"
+//			+ "}";
 
 }
diff --git a/vtm/src/org/oscim/renderer/sublayers/ExtrusionLayer.java b/vtm/src/org/oscim/renderer/sublayers/ExtrusionLayer.java
index c968e16d..f2f8c481 100644
--- a/vtm/src/org/oscim/renderer/sublayers/ExtrusionLayer.java
+++ b/vtm/src/org/oscim/renderer/sublayers/ExtrusionLayer.java
@@ -402,9 +402,9 @@ public class ExtrusionLayer extends Layer {
 
 		sbuf.flip();
 		int size = mNumIndices * 2;
-		vboIndices = BufferObject.get(size);
-		vboIndices.loadBufferData(sbuf, size, GL20.GL_ELEMENT_ARRAY_BUFFER);
-		
+		vboIndices = BufferObject.get(GL20.GL_ELEMENT_ARRAY_BUFFER, size);
+		vboIndices.loadBufferData(sbuf, size);
+
 		GL.glBindBuffer(GL20.GL_ELEMENT_ARRAY_BUFFER, 0);
 
 		// upload vertices
@@ -414,8 +414,8 @@ public class ExtrusionLayer extends Layer {
 
 		sbuf.flip();
 		size = mNumVertices * 4 * 2;
-		vboVertices = BufferObject.get(size);
-		vboVertices.loadBufferData(sbuf, size, GL20.GL_ARRAY_BUFFER);
+		vboVertices = BufferObject.get(GL20.GL_ARRAY_BUFFER, size);
+		vboVertices.loadBufferData(sbuf, size);
 
 		GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, 0);
 
@@ -502,7 +502,8 @@ public class ExtrusionLayer extends Layer {
 	 * @return number of triangles in io buffer
 	 */
 	public static native int triangulate(float[] points, int pos, int len, int numRings,
-			ShortBuffer io,
-			int ioffset);
+			ShortBuffer io,	int ioffset) /*-{
+			return 0;
+	}-*/;
 
 }