/ - Diff - Distorted Android

     package org.distorted.library;
     import java.io.BufferedReader;
     import java.io.IOException;
     import java.io.InputStream;
     import java.io.InputStreamReader;
     import android.content.Context;
     import android.opengl.GLES20;
     import android.os.Build;
     import org.distorted.library.program.*;
     import org.distorted.library.exception.*;
     import java.io.InputStream;
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
-...
       private static boolean mInitialized = false;
       static int mPositionH;       // model position information
       static int mNormalH;         // model normal information.
       static int mTextureCoordH;   // model texture coordinate information.
       static int[] mAttributes;
     ///////////////////////////////////////////////////////////////////////////////////////////////////
-...
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       private static void sanitizeMaxValues() throws VertexUniformsException,FragmentUniformsException
+        {
         int maxV,maxF;
         int[] param = new int[1];
         GLES20.glGetIntegerv(GLES20.GL_MAX_VERTEX_UNIFORM_VECTORS, param, 0);
         maxV = param[0];
         GLES20.glGetIntegerv(GLES20.GL_MAX_FRAGMENT_UNIFORM_VECTORS, param, 0);
         maxF = param[0];
         //Log.d("Distorted", "Max vectors in vertex shader: "+maxV);
         //Log.d("Distorted", "Max vectors in fragment shader: "+maxF);
         if( !Build.FINGERPRINT.contains("generic") )
+          {
           int realMaxV = (maxV-11)/4;   // adjust this in case of changes to the shaders...
           int realMaxF = (maxF- 2)/4;   //
           if( getMaxVertex()   > realMaxV )
+            {
             throw new VertexUniformsException("Too many effects in the vertex shader, max is "+realMaxV, realMaxV);
+            }
           if( getMaxFragment() > realMaxF )
+            {
             throw new FragmentUniformsException("Too many effects in the fragment shader, max is "+realMaxF, realMaxF);
+            }
+          }
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       private static int compileShader(final int shaderType, final String shaderSource) throws FragmentCompilationException,VertexCompilationException
+        {
         int shaderHandle = GLES20.glCreateShader(shaderType);
         if (shaderHandle != 0)
+          {
           GLES20.glShaderSource(shaderHandle, "#version 100 \n"+ generateShaderHeader(shaderType) + shaderSource);
           GLES20.glCompileShader(shaderHandle);
           final int[] compileStatus = new int[1];
           GLES20.glGetShaderiv(shaderHandle, GLES20.GL_COMPILE_STATUS, compileStatus, 0);
           if (compileStatus[0] != GLES20.GL_TRUE )
+            {
             GLES20.glDeleteShader(shaderHandle);
             shaderHandle = 0;
+            }
+          }
         if (shaderHandle == 0)
+          {
           String error = GLES20.glGetShaderInfoLog(shaderHandle);
           switch(shaderType)
+            {
             case GLES20.GL_VERTEX_SHADER  : throw new VertexCompilationException(error);
             case GLES20.GL_FRAGMENT_SHADER: throw new FragmentCompilationException(error);
             default                       : throw new RuntimeException(error);
+            }
+          }
         return shaderHandle;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       private static int createAndLinkProgram(final int vertexShaderHandle, final int fragmentShaderHandle, final String[] attributes) throws LinkingException
+        {
         int programHandle = GLES20.glCreateProgram();
         if (programHandle != 0)
+          {
           GLES20.glAttachShader(programHandle, vertexShaderHandle);
           GLES20.glAttachShader(programHandle, fragmentShaderHandle);
           if (attributes != null)
+            {
             final int size = attributes.length;
             for (int i = 0; i < size; i++)
+              {
               GLES20.glBindAttribLocation(programHandle, i, attributes[i]);
+              }
+            }
           GLES20.glLinkProgram(programHandle);
           final int[] linkStatus = new int[1];
           GLES20.glGetProgramiv(programHandle, GLES20.GL_LINK_STATUS, linkStatus, 0);
           if (linkStatus[0] != GLES20.GL_TRUE )
+            {
             String error = GLES20.glGetProgramInfoLog(programHandle);
             GLES20.glDeleteProgram(programHandle);
             throw new LinkingException(error);
+            }
           final int[] numberOfUniforms = new int[1];
           GLES20.glGetProgramiv(programHandle, GLES20.GL_ACTIVE_UNIFORMS, numberOfUniforms, 0);
           //android.util.Log.d("Distorted", "number of active uniforms="+numberOfUniforms[0]);
+          }
         return programHandle;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       private static String generateShaderHeader(final int type)
+        {
         String header="";
         switch(type)
+          {
           case GLES20.GL_VERTEX_SHADER  : header += ("#define NUM_VERTEX "  + getMaxVertex()+"\n");
                                           for(EffectNames name: EffectNames.values() )
+                                            {
                                             if( name.getType()==EffectTypes.VERTEX)
                                             header += ("#define "+name.name()+" "+name.ordinal()+"\n");
+                                            }
                                           break;
           case GLES20.GL_FRAGMENT_SHADER: header += ("#define NUM_FRAGMENT "+ getMaxFragment()+"\n");
                                           for(EffectNames name: EffectNames.values() )
+                                            {
                                             if( name.getType()==EffectTypes.FRAGMENT)
                                             header += ("#define "+name.name()+" "+name.ordinal()+"\n");
+                                            }
                                           break;
+         }
         //Log.d(TAG,""+header);
         return header;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       private static String readTextFileFromRawResource(final Context c, final int resourceId)
+        {
         final InputStream inputStream = c.getResources().openRawResource(resourceId);
         final InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
         final BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
         String nextLine;
         final StringBuilder body = new StringBuilder();
         try
+          {
           while ((nextLine = bufferedReader.readLine()) != null)
+            {
             body.append(nextLine);
             body.append('\n');
+            }
+          }
         catch (IOException e)
+          {
           return null;
+          }
         return body.toString();
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       private static String getVertexShader(final Context c)
+        {
         return readTextFileFromRawResource( c, R.raw.main_vertex_shader);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       private static String getFragmentShader(final Context c)
+        {
         return readTextFileFromRawResource( c, R.raw.main_fragment_shader);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       static boolean isInitialized()
-...
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * When OpenGL context gets created, you need to call this method so that the library can initialise its internal data structures.
      * I.e. best called from GLSurfaceView.onSurfaceCreated().
      * I.e. best called from GLSurfaceView.onCreate().
      * <p>
      * Compiles the vertex and fragment shaders, establishes the addresses of all uniforms.
      * Needs to be called from a thread holding the OpenGL context.
+     *
      * @param context Context of the App using the library - used to open up Resources and read Shader code.
      * @throws FragmentCompilationException
-...
      * @throws FragmentUniformsException
      * @throws LinkingException
      */
       public static void onSurfaceCreated(final Context context) throws FragmentCompilationException,VertexCompilationException,VertexUniformsException,FragmentUniformsException,LinkingException
       public static void onCreate(final Context context)
       throws FragmentCompilationException,VertexCompilationException,VertexUniformsException,FragmentUniformsException,LinkingException
+        {
         mInitialized = true;
         final String vertexShader   = Distorted.getVertexShader(context);
         final String fragmentShader = Distorted.getFragmentShader(context);
         sanitizeMaxValues();
         final int vertexShaderHandle   = compileShader(GLES20.GL_VERTEX_SHADER  , vertexShader  );
         final int fragmentShaderHandle = compileShader(GLES20.GL_FRAGMENT_SHADER, fragmentShader);
         int programH = createAndLinkProgram(vertexShaderHandle, fragmentShaderHandle, new String[] {"a_Position",  "a_Color", "a_Normal", "a_TexCoordinate"});
         final InputStream vertexStream   = context.getResources().openRawResource(R.raw.main_vertex_shader);
         final InputStream fragmentStream = context.getResources().openRawResource(R.raw.main_fragment_shader);
         DistortedProgram mainProgram = new DistortedProgram(vertexStream,fragmentStream);
         int programH = mainProgram.getProgramHandle();
         GLES20.glUseProgram(programH);
         mainProgram.bindAndEnableAttributes();
         mAttributes = mainProgram.getAttributes();
         int textureUniformH = GLES20.glGetUniformLocation(programH, "u_Texture");
         mPositionH          = GLES20.glGetAttribLocation( programH, "a_Position");
         mNormalH            = GLES20.glGetAttribLocation( programH, "a_Normal");
         mTextureCoordH      = GLES20.glGetAttribLocation( programH, "a_TexCoordinate");
         GLES20.glEnable (GLES20.GL_DEPTH_TEST);
         GLES20.glDepthFunc(GLES20.GL_LEQUAL);
-...
         EffectQueueFragment.getUniforms(programH);
         EffectQueueVertex.getUniforms(programH);
         EffectQueueMatrix.getUniforms(programH);
         GLES20.glEnableVertexAttribArray(mPositionH);
         GLES20.glEnableVertexAttribArray(mNormalH);
         GLES20.glEnableVertexAttribArray(mTextureCoordH);
         DistortedTree.reset();
         EffectMessageSender.startSending();
+        }
-...
         mInitialized = false;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Returns the maximum number of Matrix effects.
+     *
      * @return The maximum number of Matrix effects
      */
       public static int getMaxMatrix()
+        {
         return EffectQueue.getMax(EffectTypes.MATRIX.ordinal());
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Returns the maximum number of Vertex effects.
+     *
      * @return The maximum number of Vertex effects
      */
       public static int getMaxVertex()
+        {
         return EffectQueue.getMax(EffectTypes.VERTEX.ordinal());
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Returns the maximum number of Fragment effects.
+     *
      * @return The maximum number of Fragment effects
      */
       public static int getMaxFragment()
+        {
         return EffectQueue.getMax(EffectTypes.FRAGMENT.ordinal());
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Returns the maximum number of Postprocess effects.
+     *
      * @return The maximum number of Postprocess effects
      */
       public static int getMaxPostprocess()
+        {
         return EffectQueue.getMax(EffectTypes.POSTPROCESS.ordinal());
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Sets the maximum number of Matrix effects that can be stored in a single EffectQueue at one time.
      * This can fail if:
      * <ul>
      * <li>the value of 'max' is outside permitted range (0 &le; max &le; Byte.MAX_VALUE)
      * <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
      *     before the Vertex Shader gets compiled, i.e. before the call to {@link #onSurfaceCreated}. After this
      *     time only decreasing the value of 'max' is permitted.
      * <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
      * </ul>
+     *
      * @param max new maximum number of simultaneous Matrix Effects. Has to be a non-negative number not greater
      *            than Byte.MAX_VALUE
      * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
      */
       public static boolean setMaxMatrix(int max)
+        {
         return EffectQueue.setMax(EffectTypes.MATRIX.ordinal(),max);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Sets the maximum number of Vertex effects that can be stored in a single EffectQueue at one time.
      * This can fail if:
      * <ul>
      * <li>the value of 'max' is outside permitted range (0 &le; max &le; Byte.MAX_VALUE)
      * <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
      *     before the Vertex Shader gets compiled, i.e. before the call to {@link #onSurfaceCreated}. After this
      *     time only decreasing the value of 'max' is permitted.
     * <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
      * </ul>
+     *
      * @param max new maximum number of simultaneous Vertex Effects. Has to be a non-negative number not greater
      *            than Byte.MAX_VALUE
      * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
      */
       public static boolean setMaxVertex(int max)
+        {
         return EffectQueue.setMax(EffectTypes.VERTEX.ordinal(),max);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Sets the maximum number of Fragment effects that can be stored in a single EffectQueue at one time.
      * This can fail if:
      * <ul>
      * <li>the value of 'max' is outside permitted range (0 &le; max &le; Byte.MAX_VALUE)
      * <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
      *     before the Fragment Shader gets compiled, i.e. before the call to {@link #onSurfaceCreated}. After this
      *     time only decreasing the value of 'max' is permitted.
      * <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
      * </ul>
+     *
      * @param max new maximum number of simultaneous Fragment Effects. Has to be a non-negative number not greater
      *            than Byte.MAX_VALUE
      * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
      */
       public static boolean setMaxFragment(int max)
+        {
         return EffectQueue.setMax(EffectTypes.FRAGMENT.ordinal(),max);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Sets the maximum number of Postprocess effects that can be stored in a single EffectQueue at one time.
      * This can fail if:
      * <ul>
      * <li>the value of 'max' is outside permitted range (0 &le; max &le; Byte.MAX_VALUE)
      * <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
      *     before the Fragment Shader gets compiled, i.e. before the call to {@link #onSurfaceCreated}. After this
      *     time only decreasing the value of 'max' is permitted.
      * <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
      * </ul>
+     *
      * @param max new maximum number of simultaneous Postprocess Effects. Has to be a non-negative number not greater
      *            than Byte.MAX_VALUE
      * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
      */
       public static boolean setMaxPostprocess(int max)
+        {
         return EffectQueue.setMax(EffectTypes.POSTPROCESS.ordinal(),max);
+        }
+      }

         return false;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Returns the maximum number of Matrix effects.
+     *
      * @return The maximum number of Matrix effects
      */
       public static int getMaxMatrix()
+        {
         return EffectQueue.getMax(EffectTypes.MATRIX.ordinal());
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Returns the maximum number of Vertex effects.
+     *
      * @return The maximum number of Vertex effects
      */
       public static int getMaxVertex()
+        {
         return EffectQueue.getMax(EffectTypes.VERTEX.ordinal());
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Returns the maximum number of Fragment effects.
+     *
      * @return The maximum number of Fragment effects
      */
       public static int getMaxFragment()
+        {
         return EffectQueue.getMax(EffectTypes.FRAGMENT.ordinal());
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Returns the maximum number of Postprocess effects.
+     *
      * @return The maximum number of Postprocess effects
      */
       public static int getMaxPostprocess()
+        {
         return EffectQueue.getMax(EffectTypes.POSTPROCESS.ordinal());
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Sets the maximum number of Matrix effects that can be stored in a single EffectQueue at one time.
      * This can fail if:
      * <ul>
      * <li>the value of 'max' is outside permitted range (0 &le; max &le; Byte.MAX_VALUE)
      * <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
      *     before the Vertex Shader gets compiled, i.e. before the call to {@link Distorted#onCreate}. After this
      *     time only decreasing the value of 'max' is permitted.
      * <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
      * </ul>
+     *
      * @param max new maximum number of simultaneous Matrix Effects. Has to be a non-negative number not greater
      *            than Byte.MAX_VALUE
      * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
      */
       public static boolean setMaxMatrix(int max)
+        {
         return EffectQueue.setMax(EffectTypes.MATRIX.ordinal(),max);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Sets the maximum number of Vertex effects that can be stored in a single EffectQueue at one time.
      * This can fail if:
      * <ul>
      * <li>the value of 'max' is outside permitted range (0 &le; max &le; Byte.MAX_VALUE)
      * <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
      *     before the Vertex Shader gets compiled, i.e. before the call to {@link Distorted#onCreate}. After this
      *     time only decreasing the value of 'max' is permitted.
     * <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
      * </ul>
+     *
      * @param max new maximum number of simultaneous Vertex Effects. Has to be a non-negative number not greater
      *            than Byte.MAX_VALUE
      * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
      */
       public static boolean setMaxVertex(int max)
+        {
         return EffectQueue.setMax(EffectTypes.VERTEX.ordinal(),max);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Sets the maximum number of Fragment effects that can be stored in a single EffectQueue at one time.
      * This can fail if:
      * <ul>
      * <li>the value of 'max' is outside permitted range (0 &le; max &le; Byte.MAX_VALUE)
      * <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
      *     before the Fragment Shader gets compiled, i.e. before the call to {@link Distorted#onCreate}. After this
      *     time only decreasing the value of 'max' is permitted.
      * <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
      * </ul>
+     *
      * @param max new maximum number of simultaneous Fragment Effects. Has to be a non-negative number not greater
      *            than Byte.MAX_VALUE
      * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
      */
       public static boolean setMaxFragment(int max)
+        {
         return EffectQueue.setMax(EffectTypes.FRAGMENT.ordinal(),max);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Sets the maximum number of Postprocess effects that can be stored in a single EffectQueue at one time.
      * This can fail if:
      * <ul>
      * <li>the value of 'max' is outside permitted range (0 &le; max &le; Byte.MAX_VALUE)
      * <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
      *     before the Fragment Shader gets compiled, i.e. before the call to {@link Distorted#onCreate}. After this
      *     time only decreasing the value of 'max' is permitted.
      * <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
      * </ul>
+     *
      * @param max new maximum number of simultaneous Postprocess Effects. Has to be a non-negative number not greater
      *            than Byte.MAX_VALUE
      * @return <code>true</code> if operation was successful, <code>false</code> otherwise.
      */
       public static boolean setMaxPostprocess(int max)
+        {
         return EffectQueue.setMax(EffectTypes.POSTPROCESS.ordinal(),max);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // Individual effect functions.

      * <p>
      * Must be called from a thread holding OpenGL Context.
+     *
      * @param fbo The Framebuffer (previously created with the first  constructor, drawing FROM the screen
      * @param fbo The Framebuffer (previously created with the first constructor, drawing FROM the screen
      *            is unsupported!) whose COLOR attachment 0 will be used as input texture.
      *            Please note that rendering from an FBO to itself is unsupported by OpenGL!
      * @param grid Class descendant from GridObject

      * Sets the underlying android.graphics.Bitmap object.
      * <p>
      * You can only recycle() the passed Bitmap once the OpenGL context gets created (i.e. after call
      * to onSurfaceCreated) because only after this point can the Library upload it to the GPU!
      * to GLSurfaceView.onSurfaceCreated) because only after this point can the Library upload it to the GPU!
+     *
      * @param bmp The android.graphics.Bitmap object to apply effects to and display.
      */

src/main/java/org/distorted/library/DistortedTree.java
49	49	{
50	50	long ID;
51	51	int numPointingNodes;
52		DistortedFramebuffer mDF;
53	52	int numRendered;
	53	DistortedFramebuffer mDF;
54	54
55	55	NodeData(long id)
56	56	{
57	57	ID = id;
58	58	numPointingNodes= 1;
59		mDF = null;
60	59	numRendered = 0;
	60	mDF = null;
61	61	}
62	62	}
63	63
...	...
296	296	{
297	297	mParent = null;
298	298	mTexture= new DistortedTexture(node.mTexture,flags);
299		mEffects = new DistortedEffects(node.mEffects, flags);
	299	mEffects= new DistortedEffects(node.mEffects,flags);
300	300	mGrid = node.mGrid;
301	301
302	302	if( (flags & Distorted.CLONE_CHILDREN) != 0 )

        void draw()
+         {
          GLES20.glVertexAttribPointer(Distorted.mPositionH    , POSITION_DATA_SIZE, GLES20.GL_FLOAT, false, 0, mGridPositions);
          GLES20.glVertexAttribPointer(Distorted.mNormalH      , NORMAL_DATA_SIZE  , GLES20.GL_FLOAT, false, 0, mGridNormals  );
          GLES20.glVertexAttribPointer(Distorted.mTextureCoordH, TEX_DATA_SIZE     , GLES20.GL_FLOAT, false, 0, mGridTexture  );
          GLES20.glVertexAttribPointer(Distorted.mAttributes[0], POSITION_DATA_SIZE, GLES20.GL_FLOAT, false, 0, mGridPositions);
          GLES20.glVertexAttribPointer(Distorted.mAttributes[1], NORMAL_DATA_SIZE  , GLES20.GL_FLOAT, false, 0, mGridNormals  );
          GLES20.glVertexAttribPointer(Distorted.mAttributes[2], TEX_DATA_SIZE     , GLES20.GL_FLOAT, false, 0, mGridTexture  );
          GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, 0, dataLength);
+         }

     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // Copyright 2016 Leszek Koltunski                                                               //
     //                                                                                               //
     // This file is part of Distorted.                                                               //
     //                                                                                               //
     // Distorted is free software: you can redistribute it and/or modify                             //
     // it under the terms of the GNU General Public License as published by                          //
     // the Free Software Foundation, either version 2 of the License, or                             //
     // (at your option) any later version.                                                           //
     //                                                                                               //
     // Distorted 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 General Public License for more details.                                                  //
     //                                                                                               //
     // You should have received a copy of the GNU General Public License                             //
     // along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     package org.distorted.library.exception;
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      *  Thrown by {@link org.distorted.library.Distorted#onSurfaceCreated(android.content.Context)}
      *  if compilation of the fragment shader fails for some other reason than too many uniforms.
      *  <p>
      *  This can happen on older OpenGL ES 2.0 devices if they, say, do not support variable loops in the shaders.
      *  Theoretically should never happen on devices supporting at least OpenGL ES 3.0.
      */
     @SuppressWarnings("serial")
     public class FragmentCompilationException extends Exception
+      {
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Default empty constructor
      */
       public FragmentCompilationException()
+        {
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor with a message describing why compilation failed.
+     *
      * @param detailMessage Message describing why compilation failed
      */
       public FragmentCompilationException(String detailMessage)
+        {
         super(detailMessage);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor necessary to make Chained Exceptions working.
+     *
      * @param throwable The parent Throwable.
      */
       public FragmentCompilationException(Throwable throwable)
+        {
         super(throwable);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor necessary to make Chained Exceptions working.
+     *
      * @param detailMessage Message describing why compilation failed
      * @param throwable The parent Throwable.
      */
       public FragmentCompilationException(String detailMessage, Throwable throwable)
+        {
         super(detailMessage, throwable);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
+      }

     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // Copyright 2016 Leszek Koltunski                                                               //
     //                                                                                               //
     // This file is part of Distorted.                                                               //
     //                                                                                               //
     // Distorted is free software: you can redistribute it and/or modify                             //
     // it under the terms of the GNU General Public License as published by                          //
     // the Free Software Foundation, either version 2 of the License, or                             //
     // (at your option) any later version.                                                           //
     //                                                                                               //
     // Distorted 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 General Public License for more details.                                                  //
     //                                                                                               //
     // You should have received a copy of the GNU General Public License                             //
     // along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     package org.distorted.library.exception;
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      *  Thrown by {@link org.distorted.library.Distorted#onSurfaceCreated(android.content.Context)}
      *  if compilation of the fragment shader fails because of too many uniforms there, i.e. because
      *  we have set {@link org.distorted.library.Distorted#setMaxFragment(int)} to too high value.
      */
     @SuppressWarnings("serial")
     public class FragmentUniformsException extends Exception
+      {
       private int max=0;
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Default empty constructor
      */
       public FragmentUniformsException()
+        {
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor with a message describing why compilation failed.
+     *
      * @param detailMessage Message describing why compilation failed
      */
       public FragmentUniformsException(String detailMessage)
+        {
         super(detailMessage);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor necessary to make Chained Exceptions working.
+     *
      * @param throwable The parent Throwable.
      */
       public FragmentUniformsException(Throwable throwable)
+        {
         super(throwable);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor necessary to make Chained Exceptions working.
+     *
      * @param detailMessage Message describing why compilation failed
      * @param throwable The parent Throwable.
      */
       public FragmentUniformsException(String detailMessage, Throwable throwable)
+        {
         super(detailMessage, throwable);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor with a message describing why compilation failed and integer holding the maximum
      * number of uniforms in Fragment Shader supported by current hardware.
+     *
      * @param detailMessage Message describing why compilation failed
      * @param m maximum number of uniforms in Fragment Shader supported by current hardware.
      */
       public FragmentUniformsException(String detailMessage, int m)
+        {
         super(detailMessage);
         max = m;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Gets the maximum number of uniforms in fragment shader supported by current hardware.
+     *
      * @return Maximum number of uniforms in fragment shader supported by current hardware.
      */
       public int getMax()
+        {
         return max;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
+      }

     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // Copyright 2016 Leszek Koltunski                                                               //
     //                                                                                               //
     // This file is part of Distorted.                                                               //
     //                                                                                               //
     // Distorted is free software: you can redistribute it and/or modify                             //
     // it under the terms of the GNU General Public License as published by                          //
     // the Free Software Foundation, either version 2 of the License, or                             //
     // (at your option) any later version.                                                           //
     //                                                                                               //
     // Distorted 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 General Public License for more details.                                                  //
     //                                                                                               //
     // You should have received a copy of the GNU General Public License                             //
     // along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     package org.distorted.library.exception;
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      *  Thrown by {@link org.distorted.library.Distorted#onSurfaceCreated(android.content.Context)}
      *  if linking of the Shaders fails.
      *  <p>
      *  Theoretically this should never happen.
      */
     @SuppressWarnings("serial")
     public class LinkingException extends Exception
+      {
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Default empty constructor
      */
       public LinkingException()
+        {
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor with a message describing why linking failed.
+     *
      * @param detailMessage Message describing why linking failed
      */
       public LinkingException(String detailMessage)
+        {
         super(detailMessage);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor necessary to make Chained Exceptions working.
+     *
      * @param throwable The parent Throwable.
      */
       public LinkingException(Throwable throwable)
+        {
         super(throwable);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor necessary to make Chained Exceptions working.
+     *
      * @param detailMessage Message describing why linking failed
      * @param throwable The parent Throwable.
      */
       public LinkingException(String detailMessage, Throwable throwable)
+        {
         super(detailMessage, throwable);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
+      }

     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // Copyright 2016 Leszek Koltunski                                                               //
     //                                                                                               //
     // This file is part of Distorted.                                                               //
     //                                                                                               //
     // Distorted is free software: you can redistribute it and/or modify                             //
     // it under the terms of the GNU General Public License as published by                          //
     // the Free Software Foundation, either version 2 of the License, or                             //
     // (at your option) any later version.                                                           //
     //                                                                                               //
     // Distorted 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 General Public License for more details.                                                  //
     //                                                                                               //
     // You should have received a copy of the GNU General Public License                             //
     // along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     package org.distorted.library.exception;
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      *  Thrown by {@link org.distorted.library.Distorted#onSurfaceCreated(android.content.Context)}
      *  if compilation of the vertex shader fails for some other reason than too many uniforms.
      *  <p>
      *  This can happen on older OpenGL ES 2.0 devices if they, say, do not support variable loops in the shaders.
      *  Theoretically should never happen on devices supporting at least OpenGL ES 3.0.
      */
     @SuppressWarnings("serial")
     public class VertexCompilationException extends Exception
+      {
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Default empty constructor
      */
       public VertexCompilationException()
+        {
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor with a message describing why compilation failed.
+     *
      * @param detailMessage Message describing why compilation failed
      */
       public VertexCompilationException(String detailMessage)
+        {
         super(detailMessage);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor necessary to make Chained Exceptions working.
+     *
      * @param throwable The parent Throwable.
      */
       public VertexCompilationException(Throwable throwable)
+        {
         super(throwable);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor necessary to make Chained Exceptions working.
+     *
      * @param detailMessage Message describing why compilation failed
      * @param throwable The parent Throwable.
      */
       public VertexCompilationException(String detailMessage, Throwable throwable)
+        {
         super(detailMessage, throwable);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
+      }

     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // Copyright 2016 Leszek Koltunski                                                               //
     //                                                                                               //
     // This file is part of Distorted.                                                               //
     //                                                                                               //
     // Distorted is free software: you can redistribute it and/or modify                             //
     // it under the terms of the GNU General Public License as published by                          //
     // the Free Software Foundation, either version 2 of the License, or                             //
     // (at your option) any later version.                                                           //
     //                                                                                               //
     // Distorted 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 General Public License for more details.                                                  //
     //                                                                                               //
     // You should have received a copy of the GNU General Public License                             //
     // along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     package org.distorted.library.exception;
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      *  Thrown by {@link org.distorted.library.Distorted#onSurfaceCreated(android.content.Context)}
      *  if compilation of the Vertex Shader fails because of too many uniforms there, i.e. because
      *  we have set {@link org.distorted.library.Distorted#setMaxVertex(int)} to too high value.
      */
     @SuppressWarnings("serial")
     public class VertexUniformsException extends Exception
+      {
       private int max=0;
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Default empty constructor
      */
       public VertexUniformsException()
+        {
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor with a message describing why compilation failed.
+     *
      * @param detailMessage Message describing why compilation failed
      */
       public VertexUniformsException(String detailMessage)
+        {
         super(detailMessage);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor necessary to make Chained Exceptions working.
+     *
      * @param throwable The parent Throwable.
      */
       public VertexUniformsException(Throwable throwable)
+        {
         super(throwable);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor necessary to make Chained Exceptions working.
+     *
      * @param detailMessage Message describing why compilation failed
      * @param throwable The parent Throwable.
      */
       public VertexUniformsException(String detailMessage, Throwable throwable)
+        {
         super(detailMessage, throwable);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Constructor with a message describing why compilation failed and integer holding the maximum
      * number of uniforms in Vertex Shader supported by current hardware.
+     *
      * @param detailMessage Message describing why compilation failed
      * @param m maximum number of uniforms in Vertex Shader supported by current hardware.
      */
       public VertexUniformsException(String detailMessage, int m)
+        {
         super(detailMessage);
         max = m;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Gets the maximum number of uniforms in Vertex Shader supported by current hardware.
+     *
      * @return Maximum number of uniforms in Vertex Shader supported by current hardware.
      */
       public int getMax()
+        {
         return max;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
+      }

     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // Copyright 2016 Leszek Koltunski                                                               //
     //                                                                                               //
     // This file is part of Distorted.                                                               //
     //                                                                                               //
     // Distorted is free software: you can redistribute it and/or modify                             //
     // it under the terms of the GNU General Public License as published by                          //
     // the Free Software Foundation, either version 2 of the License, or                             //
     // (at your option) any later version.                                                           //
     //                                                                                               //
     // Distorted 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 General Public License for more details.                                                  //
     //                                                                                               //
     // You should have received a copy of the GNU General Public License                             //
     // along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     package org.distorted.library.program;
     import android.opengl.GLES20;
     import android.os.Build;
     import org.distorted.library.DistortedEffects;
     import org.distorted.library.EffectNames;
     import org.distorted.library.EffectTypes;
     import java.io.BufferedReader;
     import java.io.IOException;
     import java.io.InputStream;
     import java.io.InputStreamReader;
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * An object which encapsulates a vertex/fragment shader combo, aka Shader Program.
      */
     public class DistortedProgram
+      {
       private int mProgramHandle;
       private int mNumAttributes;
       private int[] mAttribute;
       private String[] mAttributeName;
       private String mAttributeTmp;
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       private int createAndLinkProgram(final int vertexShaderHandle, final int fragmentShaderHandle, final String[] attributes)
       throws LinkingException
+        {
         int programHandle = GLES20.glCreateProgram();
         if (programHandle != 0)
+          {
           GLES20.glAttachShader(programHandle, vertexShaderHandle);
           GLES20.glAttachShader(programHandle, fragmentShaderHandle);
           if (attributes != null)
+            {
             final int size = attributes.length;
             for (int i = 0; i < size; i++)
+              {
               GLES20.glBindAttribLocation(programHandle, i, attributes[i]);
+              }
+            }
           GLES20.glLinkProgram(programHandle);
           final int[] linkStatus = new int[1];
           GLES20.glGetProgramiv(programHandle, GLES20.GL_LINK_STATUS, linkStatus, 0);
           if (linkStatus[0] != GLES20.GL_TRUE )
+            {
             String error = GLES20.glGetProgramInfoLog(programHandle);
             GLES20.glDeleteProgram(programHandle);
             throw new LinkingException(error);
+            }
           final int[] numberOfUniforms = new int[1];
           GLES20.glGetProgramiv(programHandle, GLES20.GL_ACTIVE_UNIFORMS, numberOfUniforms, 0);
           //android.util.Log.d("program", "number of active uniforms="+numberOfUniforms[0]);
+          }
         return programHandle;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       private void doAttributes(final String line)
+        {
         int len = line.length();
         int whiteSpace, semicolon, nameBegin;
         char currChar;
         for(whiteSpace=0; whiteSpace<len; whiteSpace++)
+          {
           currChar = line.charAt(whiteSpace);
           if( currChar!=' ' && currChar!='\t') break;
+          }
         for(semicolon=whiteSpace; semicolon<len; semicolon++)
+          {
           currChar = line.charAt(semicolon);
           if( currChar==';') break;
+          }
         if( semicolon<len && semicolon-whiteSpace>=11 )   // "attribute a;" --> 11
+          {
           String subline = line.substring(whiteSpace,semicolon);
           int subLen = semicolon-whiteSpace;
           if( subline.startsWith("attribute"))
+            {
             //android.util.Log.e("program", "GOOD LINE: " +subline+" subLen="+subLen);
             for(nameBegin=subLen-1; nameBegin>8; nameBegin--)
+              {
               currChar=subline.charAt(nameBegin);
               if( currChar==' ' || currChar=='\t' )
+                {
                 subline = subline.substring(nameBegin+1,subLen);
                 //android.util.Log.d("program", "new attribute: "+subline);
                 if( mAttributeTmp.length()>0 ) mAttributeTmp+=" ";
                 mAttributeTmp += subline;
                 mNumAttributes++;
                 break;
+                }
+              }
+            }
+          }
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       private String readTextFileFromRawResource(final InputStream inputStream, boolean doAttributes)
+        {
         final InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
         final BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
         String nextLine;
         final StringBuilder body = new StringBuilder();
         try
+          {
           while ((nextLine = bufferedReader.readLine()) != null)
+            {
             body.append(nextLine);
             body.append('\n');
             if( doAttributes ) doAttributes(nextLine);
+            }
+          }
         catch (IOException e)
+          {
           return null;
+          }
         if( doAttributes )
+          {
           mAttribute = new int[mNumAttributes];
           mAttributeName = mAttributeTmp.split(" ");
           mAttributeTmp = "";
     /*
           int len = mAttributeName.length;
           for(int i=0; i<len; i++)
+            {
             android.util.Log.e("program","ATTRIBUTE "+i+" :" + mAttributeName[i]);
+            }
           android.util.Log.e("program","mNumAttributes: "+mNumAttributes);
     */
+          }
         return body.toString();
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       private static void sanitizeMaxValues()
       throws VertexUniformsException,FragmentUniformsException
+        {
         int maxV,maxF;
         int[] param = new int[1];
         GLES20.glGetIntegerv(GLES20.GL_MAX_VERTEX_UNIFORM_VECTORS, param, 0);
         maxV = param[0];
         GLES20.glGetIntegerv(GLES20.GL_MAX_FRAGMENT_UNIFORM_VECTORS, param, 0);
         maxF = param[0];
         //Log.d("program", "Max vectors in vertex shader: "+maxV);
         //Log.d("program", "Max vectors in fragment shader: "+maxF);
         if( !Build.FINGERPRINT.contains("generic") )
+          {
           int realMaxV = (maxV-11)/4;   // adjust this in case of changes to the shaders...
           int realMaxF = (maxF- 2)/4;   //
           if( DistortedEffects.getMaxVertex()   > realMaxV )
+            {
             throw new VertexUniformsException("Too many effects in the vertex shader, max is "+realMaxV, realMaxV);
+            }
           if( DistortedEffects.getMaxFragment() > realMaxF )
+            {
             throw new FragmentUniformsException("Too many effects in the fragment shader, max is "+realMaxF, realMaxF);
+            }
+          }
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       private static int compileShader(final int shaderType, final String shaderSource)
       throws FragmentCompilationException,VertexCompilationException
+        {
         int shaderHandle = GLES20.glCreateShader(shaderType);
         if (shaderHandle != 0)
+          {
           GLES20.glShaderSource(shaderHandle, "#version 100 \n"+ generateShaderHeader(shaderType) + shaderSource);
           GLES20.glCompileShader(shaderHandle);
           final int[] compileStatus = new int[1];
           GLES20.glGetShaderiv(shaderHandle, GLES20.GL_COMPILE_STATUS, compileStatus, 0);
           if (compileStatus[0] != GLES20.GL_TRUE )
+            {
             GLES20.glDeleteShader(shaderHandle);
             shaderHandle = 0;
+            }
+          }
         if (shaderHandle == 0)
+          {
           String error = GLES20.glGetShaderInfoLog(shaderHandle);
           switch(shaderType)
+            {
             case GLES20.GL_VERTEX_SHADER  : throw new VertexCompilationException(error);
             case GLES20.GL_FRAGMENT_SHADER: throw new FragmentCompilationException(error);
             default                       : throw new RuntimeException(error);
+            }
+          }
         return shaderHandle;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       private static String generateShaderHeader(final int type)
+        {
         String header="";
         switch(type)
+          {
           case GLES20.GL_VERTEX_SHADER  : header += ("#define NUM_VERTEX "  + DistortedEffects.getMaxVertex()+"\n");
                                           for(EffectNames name: EffectNames.values() )
+                                            {
                                             if( name.getType()== EffectTypes.VERTEX)
                                             header += ("#define "+name.name()+" "+name.ordinal()+"\n");
+                                            }
                                           break;
           case GLES20.GL_FRAGMENT_SHADER: header += ("#define NUM_FRAGMENT "+ DistortedEffects.getMaxFragment()+"\n");
                                           for(EffectNames name: EffectNames.values() )
+                                            {
                                             if( name.getType()==EffectTypes.FRAGMENT)
                                             header += ("#define "+name.name()+" "+name.ordinal()+"\n");
+                                            }
                                           break;
+         }
         //Log.d(TAG,""+header);
         return header;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // PUBLIC API
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       /**
        * Create a new Shader Program from source stored in resource files.
        * <p>
        * Needs to be called from a thread holding the OpenGL context.
+       *
        * @param vertex   InputStream containing the opened Resource file from where to read vertex shader code.
        * @param fragment InputStream containing the opened Resource file from where to read fragment shader code.
+       *
        */
       public DistortedProgram(final InputStream vertex, final InputStream fragment)
       throws FragmentCompilationException,VertexCompilationException,VertexUniformsException,FragmentUniformsException,LinkingException
+        {
         mNumAttributes = 0;
         mAttributeTmp  = "";
         final String vertexShader   = readTextFileFromRawResource(vertex  , true );
         final String fragmentShader = readTextFileFromRawResource(fragment, false);
         sanitizeMaxValues();
         final int vertexShaderHandle   = compileShader(GLES20.GL_VERTEX_SHADER  , vertexShader  );
         final int fragmentShaderHandle = compileShader(GLES20.GL_FRAGMENT_SHADER, fragmentShader);
         mProgramHandle = createAndLinkProgram(vertexShaderHandle, fragmentShaderHandle, mAttributeName);
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       public int[] getAttributes()
+        {
         return mAttribute;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       public String[] getAttributeNames()
+        {
         return mAttributeName;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
       public int getProgramHandle()
+        {
         return mProgramHandle;
+        }
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // glUseProgram first; needs to be called from a thread holding the OpenGL context
       public void bindAndEnableAttributes()
+        {
         for(int i=0; i<mNumAttributes; i++)
+          {
           mAttribute[i] = GLES20.glGetAttribLocation( mProgramHandle, mAttributeName[i]);
           GLES20.glEnableVertexAttribArray(mAttribute[i]);
+          }
+        }
+      }

     ///////////////////////////////////////////////////////////////////////////////////////////////////
     // Copyright 2016 Leszek Koltunski                                                               //
     //                                                                                               //
     // This file is part of Distorted.                                                               //
     //                                                                                               //
     // Distorted is free software: you can redistribute it and/or modify                             //
     // it under the terms of the GNU General Public License as published by                          //
     // the Free Software Foundation, either version 2 of the License, or                             //
     // (at your option) any later version.                                                           //
     //                                                                                               //
     // Distorted 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 General Public License for more details.                                                  //
     //                                                                                               //
     // You should have received a copy of the GNU General Public License                             //
     // along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     package org.distorted.library.program;
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      *  Thrown by {@link org.distorted.library.Distorted#onCreate(android.content.Context)}
      *  if compilation of the fragment shader fails for some other reason than too many uniforms.
      *  <p>
      *  This can happen on older OpenGL ES 2.0 devices if they, say, do not support variable loops in the shaders.
      *  Theoretically should never happen on devices supporting at least OpenGL ES 3.0.
      */
     @SuppressWarnings("serial")
     public class FragmentCompilationException extends Exception
+      {
     ///////////////////////////////////////////////////////////////////////////////////////////////////
     /**
      * Default empty constructor
      */
       public FragmentCompilationException()

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Distorted Android

Revision 432442f9

Added by Leszek Koltunski about 8 years ago