From ffe14e11d544150c925c7aeef153606a5b0a719c Mon Sep 17 00:00:00 2001
From: Hannes Janetzek <hannes.janetzek@gmail.com>
Date: Fri, 10 Oct 2014 05:02:36 +0200
Subject: [PATCH] bring vtm-android-gdx back to life

---
 vtm-android-gdx/build.gradle                  |   4 +-
 .../oscim/android/canvas/AndroidBitmap.java   |  40 +-
 .../oscim/android/canvas/AndroidCanvas.java   |  10 +-
 .../oscim/android/canvas/AndroidGraphics.java |  44 +-
 .../oscim/android/canvas/AndroidPaint.java    |   7 +-
 .../src/org/oscim/gdx/AndroidGL.java          | 850 ++++++++++++++++++
 .../src/org/oscim/gdx/MainActivity.java       |   7 +-
 vtm-ext-libs                                  |   2 +-
 8 files changed, 914 insertions(+), 50 deletions(-)
 create mode 100644 vtm-android-gdx/src/org/oscim/gdx/AndroidGL.java

diff --git a/vtm-android-gdx/build.gradle b/vtm-android-gdx/build.gradle
index 708e57ab..03e955f5 100644
--- a/vtm-android-gdx/build.gradle
+++ b/vtm-android-gdx/build.gradle
@@ -22,7 +22,7 @@ dependencies {
   compile "com.badlogicgames.gdx:gdx-backend-android:$gdxVersion"
   //compile "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-armeabi"
   //compile "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-armeabi-v7a"
-  compile files("${rootDir}/vtm-ext-libs/gdx-native-libs.jar")
+  compile files("${rootDir}/vtm-ext-libs/gdx/gdx-native-libs.jar")
   compile files("${rootDir}/vtm-ext-libs/native-libs.jar")
 }
 
@@ -75,7 +75,7 @@ eclipse {
 	  entry.path.contains('native-libs') }*.exported = false
 
 	classpath.entries.removeAll { entry ->
-       	  entry.path.contains('gdx-1.0-SNAPSHOT') }
+       	  entry.path.contains('gdx-2') }
       }
 
 
diff --git a/vtm-android-gdx/src/org/oscim/android/canvas/AndroidBitmap.java b/vtm-android-gdx/src/org/oscim/android/canvas/AndroidBitmap.java
index 5363e3e9..35b68e5b 100644
--- a/vtm-android-gdx/src/org/oscim/android/canvas/AndroidBitmap.java
+++ b/vtm-android-gdx/src/org/oscim/android/canvas/AndroidBitmap.java
@@ -1,6 +1,6 @@
 /*
  * Copyright 2013 Hannes Janetzek
- * 
+ *
  * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
  *
  * This program is free software: you can redistribute it and/or modify it under the
@@ -16,19 +16,31 @@
  */
 package org.oscim.android.canvas;
 
-import java.io.InputStream;
+import static android.graphics.Bitmap.Config.ARGB_8888;
 
-import org.oscim.backend.GL20;
+import java.io.InputStream;
 
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.opengl.GLES20;
 import android.opengl.GLUtils;
 
 public class AndroidBitmap implements org.oscim.backend.canvas.Bitmap {
 	final Bitmap mBitmap;
 
 	public AndroidBitmap(InputStream inputStream) {
-		mBitmap = BitmapFactory.decodeStream(inputStream);
+		Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
+		try {
+			GLUtils.getType(bitmap);
+		} catch (IllegalArgumentException e) {
+			bitmap = bitmap.copy(ARGB_8888, false);
+		}
+		mBitmap = bitmap;
+	}
+
+	@Override
+	public boolean isValid() {
+		return mBitmap != null;
 	}
 
 	/**
@@ -36,10 +48,10 @@ public class AndroidBitmap implements org.oscim.backend.canvas.Bitmap {
 	 */
 	public AndroidBitmap(int width, int height, int format) {
 		mBitmap = android.graphics.Bitmap
-		    .createBitmap(width, height, android.graphics.Bitmap.Config.ARGB_8888);
+		    .createBitmap(width, height, ARGB_8888);
 	}
 
-	AndroidBitmap(android.graphics.Bitmap bitmap) {
+	public AndroidBitmap(android.graphics.Bitmap bitmap) {
 		mBitmap = bitmap;
 	}
 
@@ -70,24 +82,22 @@ public class AndroidBitmap implements org.oscim.backend.canvas.Bitmap {
 
 	@Override
 	public void uploadToTexture(boolean replace) {
-
 		int format = GLUtils.getInternalFormat(mBitmap);
 		int type = GLUtils.getType(mBitmap);
 
 		if (replace)
-			GLUtils.texSubImage2D(GL20.TEXTURE_2D, 0, 0, 0, mBitmap, format,
-			                      type);
+			GLUtils.texSubImage2D(GLES20.GL_TEXTURE_2D, 0, 0, 0,
+			                      mBitmap, format, type);
 		else
-			GLUtils.texImage2D(GL20.TEXTURE_2D, 0, format, mBitmap, type, 0);
+			GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, format,
+			                   mBitmap, type, 0);
 	}
 
 	@Override
 	public void recycle() {
+		if (mBitmap == null)
+			return;
+
 		mBitmap.recycle();
 	}
-
-	@Override
-	public boolean isValid() {
-		return mBitmap != null;
-	}
 }
diff --git a/vtm-android-gdx/src/org/oscim/android/canvas/AndroidCanvas.java b/vtm-android-gdx/src/org/oscim/android/canvas/AndroidCanvas.java
index b5c14291..ab5675c1 100644
--- a/vtm-android-gdx/src/org/oscim/android/canvas/AndroidCanvas.java
+++ b/vtm-android-gdx/src/org/oscim/android/canvas/AndroidCanvas.java
@@ -24,23 +24,23 @@ public class AndroidCanvas implements Canvas {
 	final android.graphics.Canvas canvas;
 
 	public AndroidCanvas() {
-		this.canvas = new android.graphics.Canvas();
+		canvas = new android.graphics.Canvas();
 	}
 
 	@Override
 	public void setBitmap(Bitmap bitmap) {
-		this.canvas.setBitmap(((AndroidBitmap) bitmap).mBitmap);
+		canvas.setBitmap(((AndroidBitmap) bitmap).mBitmap);
 	}
 
 	@Override
 	public void drawText(String string, float x, float y, Paint stroke) {
-		this.canvas.drawText(string, x, y, ((AndroidPaint) stroke).mPaint);
-
+		if (string != null)
+			canvas.drawText(string, x, y, ((AndroidPaint) stroke).mPaint);
 	}
 
 	@Override
 	public void drawBitmap(Bitmap bitmap, float x, float y) {
-		this.canvas.drawBitmap(((AndroidBitmap) bitmap).mBitmap, x, y, null);
+		canvas.drawBitmap(((AndroidBitmap) bitmap).mBitmap, x, y, null);
 
 	}
 
diff --git a/vtm-android-gdx/src/org/oscim/android/canvas/AndroidGraphics.java b/vtm-android-gdx/src/org/oscim/android/canvas/AndroidGraphics.java
index 86df550e..35245558 100644
--- a/vtm-android-gdx/src/org/oscim/android/canvas/AndroidGraphics.java
+++ b/vtm-android-gdx/src/org/oscim/android/canvas/AndroidGraphics.java
@@ -1,9 +1,8 @@
 /*
  * Copyright 2010, 2011, 2012 mapsforge.org
- * Copyright 2013 Hannes Janetzek
  *
  * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
- * 
+ *
  * This program is free software: you can redistribute it and/or modify it under the
  * terms of the GNU Lesser General Public License as published by the Free Software
  * Foundation, either version 3 of the License, or (at your option) any later version.
@@ -38,10 +37,6 @@ public final class AndroidGraphics extends CanvasAdapter {
 		CanvasAdapter.init(new AndroidGraphics());
 	}
 
-	//	public static android.graphics.Bitmap getAndroidBitmap(Bitmap bitmap) {
-	//		return ((AndroidBitmap) bitmap).bitmap;
-	//	}
-
 	public static android.graphics.Paint getAndroidPaint(Paint paint) {
 		return ((AndroidPaint) paint).mPaint;
 	}
@@ -55,6 +50,16 @@ public final class AndroidGraphics extends CanvasAdapter {
 		return new AndroidBitmap(inputStream);
 	}
 
+	@Override
+	public Bitmap loadBitmapAssetImpl(String fileName) {
+		try {
+			return createBitmap(fileName);
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+
 	@Override
 	public Paint newPaintImpl() {
 		return new AndroidPaint();
@@ -88,23 +93,28 @@ public final class AndroidGraphics extends CanvasAdapter {
 		return new AndroidBitmap(bitmap);
 	}
 
-	public static MarkerSymbol makeMarker(Resources res, int id, HotspotPlace place) {
+	public static Bitmap drawableToBitmap(Resources res, int resId) {
+		return new AndroidBitmap(res.openRawResource(resId));
+	}
 
+	/**
+	 * @deprecated
+	 */
+	public static MarkerSymbol makeMarker(Drawable drawable, HotspotPlace place) {
 		if (place == null)
 			place = HotspotPlace.CENTER;
 
-		Drawable drawable = res.getDrawable(id);
-
 		return new MarkerSymbol(drawableToBitmap(drawable), place);
 	}
 
-	@Override
-	public Bitmap loadBitmapAssetImpl(String fileName) {
-		try {
-			return createBitmap(fileName);
-		} catch (IOException e) {
-			e.printStackTrace();
-		}
-		return null;
+	/**
+	 * @deprecated
+	 */
+	public static MarkerSymbol makeMarker(Resources res, int resId, HotspotPlace place) {
+		if (place == null)
+			place = HotspotPlace.CENTER;
+
+		InputStream in = res.openRawResource(resId);
+		return new MarkerSymbol(new AndroidBitmap(in), place);
 	}
 }
diff --git a/vtm-android-gdx/src/org/oscim/android/canvas/AndroidPaint.java b/vtm-android-gdx/src/org/oscim/android/canvas/AndroidPaint.java
index 8f90a761..e63e9aeb 100644
--- a/vtm-android-gdx/src/org/oscim/android/canvas/AndroidPaint.java
+++ b/vtm-android-gdx/src/org/oscim/android/canvas/AndroidPaint.java
@@ -1,9 +1,8 @@
 /*
  * Copyright 2010, 2011, 2012 mapsforge.org
- * Copyright 2013 Hannes Janetzek
  *
  * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
- * 
+ *
  * This program is free software: you can redistribute it and/or modify it under the
  * terms of the GNU Lesser General Public License as published by the Free Software
  * Foundation, either version 3 of the License, or (at your option) any later version.
@@ -58,7 +57,8 @@ class AndroidPaint implements Paint {
 	final android.graphics.Paint mPaint;
 
 	AndroidPaint() {
-		mPaint = new android.graphics.Paint(android.graphics.Paint.ANTI_ALIAS_FLAG);
+		mPaint = new android.graphics.Paint(
+		                                    android.graphics.Paint.ANTI_ALIAS_FLAG);
 	}
 
 	@Override
@@ -90,7 +90,6 @@ class AndroidPaint implements Paint {
 
 	@Override
 	public void setTextAlign(Align align) {
-
 		//mPaint.setTextAlign(android.graphics.Paint.Align.valueOf(align.name()));
 	}
 
diff --git a/vtm-android-gdx/src/org/oscim/gdx/AndroidGL.java b/vtm-android-gdx/src/org/oscim/gdx/AndroidGL.java
new file mode 100644
index 00000000..695878f7
--- /dev/null
+++ b/vtm-android-gdx/src/org/oscim/gdx/AndroidGL.java
@@ -0,0 +1,850 @@
+/*
+ * Copyright 2013 Hannes Janetzek
+ *
+ * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.gdx;
+
+import java.nio.Buffer;
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+
+import org.oscim.backend.GL;
+
+import android.annotation.SuppressLint;
+import android.opengl.GLES20;
+
+@SuppressLint("NewApi")
+public class AndroidGL implements GL {
+
+	@Override
+	public void attachShader(int program, int shader) {
+		GLES20.glAttachShader(program, shader);
+	}
+
+	@Override
+	public void bindAttribLocation(int program, int index, String name) {
+		GLES20.glBindAttribLocation(program, index, name);
+	}
+
+	@Override
+	public void bindBuffer(int target, int buffer) {
+		GLES20.glBindBuffer(target, buffer);
+	}
+
+	@Override
+	public void bindFramebuffer(int target, int framebuffer) {
+		GLES20.glBindFramebuffer(target, framebuffer);
+	}
+
+	@Override
+	public void bindRenderbuffer(int target, int renderbuffer) {
+		GLES20.glBindRenderbuffer(target, renderbuffer);
+	}
+
+	@Override
+	public void blendColor(float red, float green, float blue, float alpha) {
+		GLES20.glBlendColor(red, green, blue, alpha);
+	}
+
+	@Override
+	public void blendEquation(int mode) {
+		GLES20.glBlendEquation(mode);
+	}
+
+	@Override
+	public void blendEquationSeparate(int modeRGB, int modeAlpha) {
+		GLES20.glBlendEquationSeparate(modeRGB, modeAlpha);
+	}
+
+	@Override
+	public void blendFuncSeparate(int srcRGB, int dstRGB, int srcAlpha, int dstAlpha) {
+		GLES20.glBlendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha);
+	}
+
+	@Override
+	public void bufferData(int target, int size, Buffer data, int usage) {
+		GLES20.glBufferData(target, size, data, usage);
+	}
+
+	@Override
+	public void bufferSubData(int target, int offset, int size, Buffer data) {
+		GLES20.glBufferSubData(target, offset, size, data);
+	}
+
+	@Override
+	public int checkFramebufferStatus(int target) {
+		return GLES20.glCheckFramebufferStatus(target);
+	}
+
+	@Override
+	public void compileShader(int shader) {
+		GLES20.glCompileShader(shader);
+	}
+
+	@Override
+	public int createProgram() {
+		return GLES20.glCreateProgram();
+	}
+
+	@Override
+	public int createShader(int type) {
+		return GLES20.glCreateShader(type);
+	}
+
+	@Override
+	public void deleteBuffers(int n, IntBuffer buffers) {
+		GLES20.glDeleteBuffers(n, buffers);
+	}
+
+	@Override
+	public void deleteFramebuffers(int n, IntBuffer framebuffers) {
+		GLES20.glDeleteFramebuffers(n, framebuffers);
+	}
+
+	@Override
+	public void deleteProgram(int program) {
+		GLES20.glDeleteProgram(program);
+	}
+
+	@Override
+	public void deleteRenderbuffers(int n, IntBuffer renderbuffers) {
+		GLES20.glDeleteRenderbuffers(n, renderbuffers);
+	}
+
+	@Override
+	public void deleteShader(int shader) {
+		GLES20.glDeleteShader(shader);
+	}
+
+	@Override
+	public void detachShader(int program, int shader) {
+		GLES20.glDetachShader(program, shader);
+	}
+
+	@Override
+	public void disableVertexAttribArray(int index) {
+		GLES20.glDisableVertexAttribArray(index);
+	}
+
+	@Override
+	public void drawElements(int mode, int count, int type, int offset) {
+		GLES20.glDrawElements(mode, count, type, offset);
+	}
+
+	@Override
+	public void enableVertexAttribArray(int index) {
+		GLES20.glEnableVertexAttribArray(index);
+	}
+
+	@Override
+	public void framebufferRenderbuffer(int target, int attachment, int renderbuffertarget,
+	        int renderbuffer) {
+		GLES20.glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer);
+	}
+
+	@Override
+	public void framebufferTexture2D(int target, int attachment, int textarget, int texture,
+	        int level) {
+		GLES20.glFramebufferTexture2D(target, attachment, textarget, texture, level);
+	}
+
+	@Override
+	public void genBuffers(int n, IntBuffer buffers) {
+		GLES20.glGenBuffers(n, buffers);
+	}
+
+	@Override
+	public void generateMipmap(int target) {
+		GLES20.glGenerateMipmap(target);
+	}
+
+	@Override
+	public void genFramebuffers(int n, IntBuffer framebuffers) {
+		GLES20.glGenFramebuffers(n, framebuffers);
+	}
+
+	@Override
+	public void genRenderbuffers(int n, IntBuffer renderbuffers) {
+		GLES20.glGenRenderbuffers(n, renderbuffers);
+	}
+
+	@Override
+	public String getActiveAttrib(int program, int index, IntBuffer size, Buffer type) {
+		return GLES20.glGetActiveAttrib(program, index, size, (IntBuffer) type);
+	}
+
+	@Override
+	public String getActiveUniform(int program, int index, IntBuffer size, Buffer type) {
+		//return GLES20.glGetActiveUniform(program, index, bufsize, length, size, type, name);
+		throw new UnsupportedOperationException("missing implementation");
+	}
+
+	@Override
+	public void getAttachedShaders(int program, int maxcount, Buffer count, IntBuffer shaders) {
+		throw new UnsupportedOperationException("missing implementation");
+		//GLES20.glGetAttachedShaders(program, maxcount, count, shaders);
+	}
+
+	@Override
+	public int getAttribLocation(int program, String name) {
+		return GLES20.glGetAttribLocation(program, name);
+	}
+
+	@Override
+	public void getBooleanv(int pname, Buffer params) {
+		throw new UnsupportedOperationException("missing implementation");
+		//GLES20.glGetBooleanv(pname, params);
+	}
+
+	@Override
+	public void getBufferParameteriv(int target, int pname, IntBuffer params) {
+		GLES20.glGetBufferParameteriv(target, pname, params);
+
+	}
+
+	@Override
+	public void getFloatv(int pname, FloatBuffer params) {
+		GLES20.glGetFloatv(pname, params);
+
+	}
+
+	@Override
+	public void getFramebufferAttachmentParameteriv(int target, int attachment, int pname,
+	        IntBuffer params) {
+		GLES20.glGetFramebufferAttachmentParameteriv(target, attachment, pname, params);
+	}
+
+	@Override
+	public void getProgramiv(int program, int pname, IntBuffer params) {
+		GLES20.glGetProgramiv(program, pname, params);
+
+	}
+
+	@Override
+	public String getProgramInfoLog(int program) {
+		return GLES20.glGetProgramInfoLog(program);
+	}
+
+	@Override
+	public void getRenderbufferParameteriv(int target, int pname, IntBuffer params) {
+		GLES20.glGetRenderbufferParameteriv(target, pname, params);
+
+	}
+
+	@Override
+	public void getShaderiv(int shader, int pname, IntBuffer params) {
+		GLES20.glGetShaderiv(shader, pname, params);
+
+	}
+
+	@Override
+	public String getShaderInfoLog(int shader) {
+		return GLES20.glGetShaderInfoLog(shader);
+	}
+
+	@Override
+	public void getShaderPrecisionFormat(int shadertype, int precisiontype, IntBuffer range,
+	        IntBuffer precision) {
+		GLES20.glGetShaderPrecisionFormat(shadertype, precisiontype, range, precision);
+	}
+
+	@Override
+	public void getShaderSource(int shader, int bufsize, Buffer length, String source) {
+		throw new UnsupportedOperationException("missing implementation");
+	}
+
+	@Override
+	public void getTexParameterfv(int target, int pname, FloatBuffer params) {
+		GLES20.glGetTexParameterfv(target, pname, params);
+
+	}
+
+	@Override
+	public void getTexParameteriv(int target, int pname, IntBuffer params) {
+		GLES20.glGetTexParameteriv(target, pname, params);
+
+	}
+
+	@Override
+	public void getUniformfv(int program, int location, FloatBuffer params) {
+		GLES20.glGetUniformfv(program, location, params);
+
+	}
+
+	@Override
+	public void getUniformiv(int program, int location, IntBuffer params) {
+		GLES20.glGetUniformiv(program, location, params);
+
+	}
+
+	@Override
+	public int getUniformLocation(int program, String name) {
+		return GLES20.glGetUniformLocation(program, name);
+	}
+
+	@Override
+	public void getVertexAttribfv(int index, int pname, FloatBuffer params) {
+		GLES20.glGetVertexAttribfv(index, pname, params);
+
+	}
+
+	@Override
+	public void getVertexAttribiv(int index, int pname, IntBuffer params) {
+		GLES20.glGetVertexAttribiv(index, pname, params);
+
+	}
+
+	@Override
+	public void getVertexAttribPointerv(int index, int pname, Buffer pointer) {
+		//GLES20.glGetVertexAttribPointerv(index, pname, pointer);
+		throw new UnsupportedOperationException("missing implementation");
+	}
+
+	@Override
+	public boolean isBuffer(int buffer) {
+		return GLES20.glIsBuffer(buffer);
+	}
+
+	@Override
+	public boolean isEnabled(int cap) {
+		return GLES20.glIsEnabled(cap);
+	}
+
+	@Override
+	public boolean isFramebuffer(int framebuffer) {
+		return GLES20.glIsFramebuffer(framebuffer);
+	}
+
+	@Override
+	public boolean isProgram(int program) {
+		return GLES20.glIsProgram(program);
+	}
+
+	@Override
+	public boolean isRenderbuffer(int renderbuffer) {
+		return GLES20.glIsRenderbuffer(renderbuffer);
+	}
+
+	@Override
+	public boolean isShader(int shader) {
+		return GLES20.glIsShader(shader);
+	}
+
+	@Override
+	public boolean isTexture(int texture) {
+		return GLES20.glIsTexture(texture);
+	}
+
+	@Override
+	public void linkProgram(int program) {
+		GLES20.glLinkProgram(program);
+
+	}
+
+	@Override
+	public void releaseShaderCompiler() {
+		GLES20.glReleaseShaderCompiler();
+
+	}
+
+	@Override
+	public void renderbufferStorage(int target, int internalformat, int width, int height) {
+		GLES20.glRenderbufferStorage(target, internalformat, width, height);
+
+	}
+
+	@Override
+	public void sampleCoverage(float value, boolean invert) {
+		GLES20.glSampleCoverage(value, invert);
+
+	}
+
+	@Override
+	public void shaderBinary(int n, IntBuffer shaders, int binaryformat, Buffer binary, int length) {
+		GLES20.glShaderBinary(n, shaders, binaryformat, binary, length);
+
+	}
+
+	@Override
+	public void shaderSource(int shader, String string) {
+		GLES20.glShaderSource(shader, string);
+
+	}
+
+	@Override
+	public void stencilFuncSeparate(int face, int func, int ref, int mask) {
+		GLES20.glStencilFuncSeparate(face, func, ref, mask);
+
+	}
+
+	@Override
+	public void stencilMaskSeparate(int face, int mask) {
+		GLES20.glStencilMaskSeparate(face, mask);
+
+	}
+
+	@Override
+	public void stencilOpSeparate(int face, int fail, int zfail, int zpass) {
+		GLES20.glStencilOpSeparate(face, fail, zfail, zpass);
+
+	}
+
+	@Override
+	public void texParameterfv(int target, int pname, FloatBuffer params) {
+		GLES20.glTexParameterfv(target, pname, params);
+
+	}
+
+	@Override
+	public void texParameteri(int target, int pname, int param) {
+		GLES20.glTexParameteri(target, pname, param);
+
+	}
+
+	@Override
+	public void texParameteriv(int target, int pname, IntBuffer params) {
+		GLES20.glTexParameteriv(target, pname, params);
+
+	}
+
+	@Override
+	public void uniform1f(int location, float x) {
+		GLES20.glUniform1f(location, x);
+
+	}
+
+	@Override
+	public void uniform1fv(int location, int count, FloatBuffer v) {
+		GLES20.glUniform1fv(location, count, v);
+
+	}
+
+	@Override
+	public void uniform1i(int location, int x) {
+		GLES20.glUniform1i(location, x);
+
+	}
+
+	@Override
+	public void uniform1iv(int location, int count, IntBuffer v) {
+		GLES20.glUniform1iv(location, count, v);
+
+	}
+
+	@Override
+	public void uniform2f(int location, float x, float y) {
+		GLES20.glUniform2f(location, x, y);
+
+	}
+
+	@Override
+	public void uniform2fv(int location, int count, FloatBuffer v) {
+		GLES20.glUniform2fv(location, count, v);
+
+	}
+
+	@Override
+	public void uniform2i(int location, int x, int y) {
+		GLES20.glUniform2i(location, x, y);
+
+	}
+
+	@Override
+	public void uniform2iv(int location, int count, IntBuffer v) {
+		GLES20.glUniform2iv(location, count, v);
+
+	}
+
+	@Override
+	public void uniform3f(int location, float x, float y, float z) {
+		GLES20.glUniform3f(location, x, y, z);
+
+	}
+
+	@Override
+	public void uniform3fv(int location, int count, FloatBuffer v) {
+		GLES20.glUniform3fv(location, count, v);
+
+	}
+
+	@Override
+	public void uniform3i(int location, int x, int y, int z) {
+		GLES20.glUniform3i(location, x, y, z);
+
+	}
+
+	@Override
+	public void uniform3iv(int location, int count, IntBuffer v) {
+		GLES20.glUniform3iv(location, count, v);
+
+	}
+
+	@Override
+	public void uniform4f(int location, float x, float y, float z, float w) {
+		GLES20.glUniform4f(location, x, y, z, w);
+	}
+
+	@Override
+	public void uniform4fv(int location, int count, FloatBuffer v) {
+		GLES20.glUniform4fv(location, count, v);
+	}
+
+	@Override
+	public void uniform4i(int location, int x, int y, int z, int w) {
+		GLES20.glUniform4i(location, x, y, z, w);
+
+	}
+
+	@Override
+	public void uniform4iv(int location, int count, IntBuffer v) {
+		GLES20.glUniform4iv(location, count, v);
+
+	}
+
+	@Override
+	public void uniformMatrix2fv(int location, int count, boolean transpose, FloatBuffer value) {
+		GLES20.glUniformMatrix2fv(location, count, transpose, value);
+
+	}
+
+	@Override
+	public void uniformMatrix3fv(int location, int count, boolean transpose, FloatBuffer value) {
+		GLES20.glUniformMatrix3fv(location, count, transpose, value);
+
+	}
+
+	@Override
+	public void uniformMatrix4fv(int location, int count, boolean transpose, FloatBuffer value) {
+		GLES20.glUniformMatrix4fv(location, count, transpose, value);
+
+	}
+
+	@Override
+	public void useProgram(int program) {
+		GLES20.glUseProgram(program);
+
+	}
+
+	@Override
+	public void validateProgram(int program) {
+		GLES20.glValidateProgram(program);
+
+	}
+
+	@Override
+	public void vertexAttrib1f(int indx, float x) {
+		GLES20.glVertexAttrib1f(indx, x);
+
+	}
+
+	@Override
+	public void vertexAttrib1fv(int indx, FloatBuffer values) {
+		GLES20.glVertexAttrib1fv(indx, values);
+
+	}
+
+	@Override
+	public void vertexAttrib2f(int indx, float x, float y) {
+		GLES20.glVertexAttrib2f(indx, x, y);
+
+	}
+
+	@Override
+	public void vertexAttrib2fv(int indx, FloatBuffer values) {
+		GLES20.glVertexAttrib2fv(indx, values);
+
+	}
+
+	@Override
+	public void vertexAttrib3f(int indx, float x, float y, float z) {
+		GLES20.glVertexAttrib3f(indx, x, y, z);
+
+	}
+
+	@Override
+	public void vertexAttrib3fv(int indx, FloatBuffer values) {
+		GLES20.glVertexAttrib3fv(indx, values);
+
+	}
+
+	@Override
+	public void vertexAttrib4f(int indx, float x, float y, float z, float w) {
+		GLES20.glVertexAttrib4f(indx, x, y, z, w);
+
+	}
+
+	@Override
+	public void vertexAttrib4fv(int indx, FloatBuffer values) {
+		GLES20.glVertexAttrib4fv(indx, values);
+
+	}
+
+	@Override
+	public void vertexAttribPointer(int indx, int size, int type, boolean normalized, int stride,
+	        Buffer ptr) {
+		GLES20.glVertexAttribPointer(indx, size, type, normalized, stride, ptr);
+	}
+
+	@Override
+	public void vertexAttribPointer(int indx, int size, int type, boolean normalized, int stride,
+	        int offset) {
+		// FIXME check implementation!
+		GLES20.glVertexAttribPointer(indx, size, type, normalized, stride, offset);
+		//throw new UnsupportedOperationException("missing implementation");
+	}
+
+	@Override
+	public void activeTexture(int texture) {
+		GLES20.glActiveTexture(texture);
+
+	}
+
+	@Override
+	public void bindTexture(int target, int texture) {
+		GLES20.glBindTexture(target, texture);
+
+	}
+
+	@Override
+	public void blendFunc(int sfactor, int dfactor) {
+		GLES20.glBlendFunc(sfactor, dfactor);
+
+	}
+
+	@Override
+	public void clear(int mask) {
+		GLES20.glClear(mask);
+
+	}
+
+	@Override
+	public void clearColor(float red, float green, float blue, float alpha) {
+		GLES20.glClearColor(red, green, blue, alpha);
+
+	}
+
+	@Override
+	public void clearDepthf(float depth) {
+		GLES20.glClearDepthf(depth);
+
+	}
+
+	@Override
+	public void clearStencil(int s) {
+		GLES20.glClearStencil(s);
+
+	}
+
+	@Override
+	public void colorMask(boolean red, boolean green, boolean blue, boolean alpha) {
+		GLES20.glColorMask(red, green, blue, alpha);
+
+	}
+
+	@Override
+	public void compressedTexImage2D(int target, int level, int internalformat, int width,
+	        int height, int border, int imageSize, Buffer data) {
+		throw new UnsupportedOperationException("missing implementation");
+
+	}
+
+	@Override
+	public void compressedTexSubImage2D(int target, int level, int xoffset, int yoffset,
+	        int width, int height, int format, int imageSize, Buffer data) {
+		throw new UnsupportedOperationException("missing implementation");
+
+	}
+
+	@Override
+	public void copyTexImage2D(int target, int level, int internalformat, int x, int y,
+	        int width, int height, int border) {
+		GLES20.glCopyTexImage2D(target, level, internalformat, x, y, width, height, border);
+	}
+
+	@Override
+	public void copyTexSubImage2D(int target, int level, int xoffset, int yoffset, int x, int y,
+	        int width, int height) {
+		GLES20.glCopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height);
+	}
+
+	@Override
+	public void cullFace(int mode) {
+		GLES20.glCullFace(mode);
+
+	}
+
+	@Override
+	public void deleteTextures(int n, IntBuffer textures) {
+		GLES20.glDeleteTextures(n, textures);
+
+	}
+
+	@Override
+	public void depthFunc(int func) {
+		GLES20.glDepthFunc(func);
+
+	}
+
+	@Override
+	public void depthMask(boolean flag) {
+		GLES20.glDepthMask(flag);
+
+	}
+
+	@Override
+	public void depthRangef(float zNear, float zFar) {
+		GLES20.glDepthRangef(zNear, zFar);
+
+	}
+
+	@Override
+	public void disable(int cap) {
+		GLES20.glDisable(cap);
+
+	}
+
+	@Override
+	public void drawArrays(int mode, int first, int count) {
+		GLES20.glDrawArrays(mode, first, count);
+
+	}
+
+	@Override
+	public void drawElements(int mode, int count, int type, Buffer indices) {
+		GLES20.glDrawElements(mode, count, type, indices);
+
+	}
+
+	@Override
+	public void enable(int cap) {
+		GLES20.glEnable(cap);
+
+	}
+
+	@Override
+	public void finish() {
+		GLES20.glFinish();
+
+	}
+
+	@Override
+	public void flush() {
+		GLES20.glFlush();
+
+	}
+
+	@Override
+	public void frontFace(int mode) {
+		GLES20.glFrontFace(mode);
+
+	}
+
+	@Override
+	public void genTextures(int n, IntBuffer textures) {
+		GLES20.glGenTextures(n, textures);
+
+	}
+
+	@Override
+	public int getError() {
+		return GLES20.glGetError();
+	}
+
+	@Override
+	public void getIntegerv(int pname, IntBuffer params) {
+		GLES20.glGetIntegerv(pname, params);
+
+	}
+
+	@Override
+	public String getString(int name) {
+		return GLES20.glGetString(name);
+	}
+
+	@Override
+	public void hint(int target, int mode) {
+		GLES20.glHint(target, mode);
+	}
+
+	@Override
+	public void lineWidth(float width) {
+		GLES20.glLineWidth(width);
+
+	}
+
+	@Override
+	public void pixelStorei(int pname, int param) {
+		GLES20.glPixelStorei(pname, param);
+
+	}
+
+	@Override
+	public void polygonOffset(float factor, float units) {
+		GLES20.glPolygonOffset(factor, units);
+
+	}
+
+	@Override
+	public void readPixels(int x, int y, int width, int height, int format, int type,
+	        Buffer pixels) {
+		GLES20.glReadPixels(x, y, width, height, format, type, pixels);
+	}
+
+	@Override
+	public void scissor(int x, int y, int width, int height) {
+		GLES20.glScissor(x, y, width, height);
+	}
+
+	@Override
+	public void stencilFunc(int func, int ref, int mask) {
+		GLES20.glStencilFunc(func, ref, mask);
+	}
+
+	@Override
+	public void stencilMask(int mask) {
+		GLES20.glStencilMask(mask);
+	}
+
+	@Override
+	public void stencilOp(int fail, int zfail, int zpass) {
+		GLES20.glStencilOp(fail, zfail, zpass);
+	}
+
+	@Override
+	public void texImage2D(int target, int level, int internalformat, int width, int height,
+	        int border, int format, int type, Buffer pixels) {
+		GLES20.glTexImage2D(target, level, internalformat, width, height, border, format, type,
+		                    pixels);
+	}
+
+	@Override
+	public void texParameterf(int target, int pname, float param) {
+		GLES20.glTexParameterf(target, pname, param);
+	}
+
+	@Override
+	public void texSubImage2D(int target, int level, int xoffset, int yoffset, int width,
+	        int height, int format, int type, Buffer pixels) {
+		GLES20
+		    .glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
+
+	}
+
+	@Override
+	public void viewport(int x, int y, int width, int height) {
+		GLES20.glViewport(x, y, width, height);
+	}
+
+}
diff --git a/vtm-android-gdx/src/org/oscim/gdx/MainActivity.java b/vtm-android-gdx/src/org/oscim/gdx/MainActivity.java
index 40ae07c0..8ec109d3 100644
--- a/vtm-android-gdx/src/org/oscim/gdx/MainActivity.java
+++ b/vtm-android-gdx/src/org/oscim/gdx/MainActivity.java
@@ -17,7 +17,6 @@
 package org.oscim.gdx;
 
 import org.oscim.android.canvas.AndroidGraphics;
-import org.oscim.backend.GL20;
 import org.oscim.backend.GLAdapter;
 import org.oscim.core.Tile;
 import org.oscim.tiling.TileSource;
@@ -27,21 +26,17 @@ import android.os.Bundle;
 
 import com.badlogic.gdx.backends.android.AndroidApplication;
 import com.badlogic.gdx.backends.android.AndroidApplicationConfiguration;
-import com.badlogic.gdx.backends.android.AndroidGL20;
 import com.badlogic.gdx.utils.SharedLibraryLoader;
 
 public class MainActivity extends AndroidApplication {
 
-	private final class AndroidGLAdapter extends AndroidGL20 implements GL20 {
-	}
-
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 
 		AndroidGraphics.init();
 		GdxAssets.init("");
-		GLAdapter.init(new AndroidGLAdapter());
+		GLAdapter.init(new AndroidGL());
 		Tile.SIZE = 400;
 
 		AndroidApplicationConfiguration cfg = new AndroidApplicationConfiguration();
diff --git a/vtm-ext-libs b/vtm-ext-libs
index 8959fe9f..194dac64 160000
--- a/vtm-ext-libs
+++ b/vtm-ext-libs
@@ -1 +1 @@
-Subproject commit 8959fe9f2517d919a17258a062a8b499d224491c
+Subproject commit 194dac648666d3e6aac3fd8fbee05684718fa156