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Revision 5c604561

Added by Leszek Koltunski about 7 years ago

Beginnings of support for DistortedEffects.drawPrivFeedback()

View differences:

src/main/java/org/distorted/examples/feedback/FeedbackRenderer.java
42 42 
    private final int BYTESFLOAT = 4;
43 43 
    private final int POSITION   = 3;
44 44 

  		




  45
  
  
    
    private final boolean USEPOINTS=true;


  		




  
  45
  
    
    private final boolean USEPOINTS=false;


  		




  46
  46
  
    

  		




  47
  47
  
    
    private GLSurfaceView mView;


  		




  48
  48
  
    
    private DistortedProgram mFeedbackProgram;


  		




  ......




  68
  68
  
    

  		




  69
  69
  
    
      GLES30.glEnable(GLES30.GL_RASTERIZER_DISCARD);


  		




  70
  70
  
    
      GLES30.glBeginTransformFeedback( USEPOINTS ? GLES30.GL_POINTS : GLES30.GL_TRIANGLES);


  		




  71
  
  
    
      GLES30.glDrawArrays( USEPOINTS ? GLES30.GL_POINTS : GLES30.GL_TRIANGLE_STRIP, 0, mVertices);


  		




  
  71
  
    
      GLES30.glDrawArrays( USEPOINTS ? GLES30.GL_POINTS : GLES30.GL_TRIANGLES, 0, mVertices);


  		




  72
  72
  
    

  		




  73
  73
  
    
      int error = GLES30.glGetError();


  		




  74
  74
  
    

  		




  ......




  81
  81
  
    
      GLES30.glDisable(GLES30.GL_RASTERIZER_DISCARD);


  		




  82
  82
  
    
      GLES30.glFlush();


  		




  83
  83
  
    

  		




  84
  
  
    
      int numVertices = 3*(mVertices);


  		




  85
  
  
    

  		




  86
  
  
    
      Buffer mappedBuffer =  GLES30.glMapBufferRange(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, numVertices*POSITION*BYTESFLOAT, GLES30.GL_MAP_READ_BIT);


  		




  
  84
  
    
      Buffer mappedBuffer =  GLES30.glMapBufferRange(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, mVertices*POSITION*BYTESFLOAT, GLES30.GL_MAP_READ_BIT);


  		




  87
  85
  
    
      FloatBuffer fb = ((ByteBuffer) mappedBuffer).order(ByteOrder.nativeOrder()).asFloatBuffer();


  		




  88
  86
  
    
      String msg = "";


  		




  89
  87
  
    

  		




  90
  
  
    
      for(int i=0; i<numVertices*POSITION; i++) msg += (" "+fb.get(i));


  		




  
  88
  
    
      for(int i=0; i<mVertices*POSITION; i++) msg += (" "+fb.get(i));


  		




  91
  89
  
    

  		




  92
  90
  
    
      android.util.Log.d( "Feedback", msg);


  		




  93
  91
  
    

  		




  ......




  132
  130
  
    
        android.util.Log.e("Feedback", "exception creating feedback program: "+ex.getMessage());


  		




  133
  131
  
    
        }


  		




  134
  132
  
    

  		




  135
  
  
    
      float[] floatData = { 1.0f,4.0f,9.0f, 16.0f,25.0f,36.0f, 49.0f,64.0f,81.0f,  100.0f,121.0f,144.0f};


  		




  
  133
  
    
      float[] floatData = {   1.0f,  4.0f,  9.0f,


  		




  
  134
  
    
                             16.0f, 25.0f, 36.0f,


  		




  
  135
  
    
                             49.0f, 64.0f, 81.0f,


  		




  
  136
  
    
                            100.0f,121.0f,144.0f,


  		




  
  137
  
    
                              1.0f,  4.0f,  9.0f,


  		




  
  138
  
    
                             16.0f, 25.0f, 36.0f


  		




  
  139
  
    
                          };


  		




  
  140
  
    

  		




  136
  141
  
    
      mVertices = floatData.length/POSITION;


  		




  137
  142
  
    
      FloatBuffer data = ByteBuffer.allocateDirect(mVertices*POSITION*BYTESFLOAT).order(ByteOrder.nativeOrder()).asFloatBuffer();


  		




  138
  143
  
    
      data.put(floatData).position(0);


  		




  ......




  146
  151
  
    
      mTBO = new int[1];


  		




  147
  152
  
    
      GLES30.glGenBuffers(1, mTBO, 0);


  		




  148
  153
  
    
      GLES30.glBindBuffer(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, mTBO[0]);


  		




  149
  
  
    
      GLES30.glBufferData(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 3*(mVertices)*POSITION*BYTESFLOAT, null, GLES30.GL_STATIC_READ);


  		




  
  154
  
    
      GLES30.glBufferData(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, mVertices*POSITION*BYTESFLOAT, null, GLES30.GL_STATIC_READ);


  		




  150
  155
  
    
      GLES30.glBindBuffer(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0);


  		




  151
  156
  
    
      }


  		




  152
  157
  
    
}


  		












  

    
      src/main/java/org/distorted/examples/monalisa/MonaLisaRenderer.java
    
  





  137
  137
  
    
      if( mTexture==null ) mTexture = new DistortedTexture(bmpWidth,bmpHeight);


  		




  138
  138
  
    

  		




  139
  139
  
    
      // likewise the Mesh


  		




  140
  
  
    
      if( mMesh==null ) mMesh = new MeshFlat(2,2);//(9,9*bmpHeight/bmpWidth);


  		




  
  140
  
    
      if( mMesh==null ) mMesh = new MeshFlat(9,9*bmpHeight/bmpWidth);


  		




  141
  141
  
    

  		




  142
  142
  
    
      // even if mTexture wasn't null, we still need to call setTexture() on it


  		




  143
  143
  
    
      // because every time activity goes to background, its OpenGL resources


  		












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