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Revision 96fba026

Added by Leszek Koltunski about 7 years ago

Bugfix (the thing was drawing too many GL_POINTS, this worked on Nexus 5X but not on Nexus 4)

View differences:

src/main/java/org/distorted/examples/feedback/FeedbackRenderer.java
40 40 

  		




  41
  41
  
    
class FeedbackRenderer implements GLSurfaceView.Renderer


  		




  42
  42
  
    
{


  		




  
  43
  
    
    private final int BYTESFLOAT = 4;


  		




  
  44
  
    

  		




  43
  45
  
    
    private GLSurfaceView mView;


  		




  44
  46
  
    
    private DistortedProgram mFeedbackProgram;


  		




  45
  47
  
    
    private int mBufferLength;


  		




  ......




  69
  71
  
    
      GLES30.glDisable(GLES30.GL_RASTERIZER_DISCARD);


  		




  70
  72
  
    
      GLES30.glFlush();


  		




  71
  73
  
    

  		




  72
  
  
    
      Buffer mappedBuffer =  GLES30.glMapBufferRange(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, mBufferLength, GLES30.GL_MAP_READ_BIT);


  		




  
  74
  
    
      Buffer mappedBuffer =  GLES30.glMapBufferRange(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, mBufferLength*BYTESFLOAT, GLES30.GL_MAP_READ_BIT);


  		




  73
  75
  
    

  		




  74
  76
  
    
      if (mappedBuffer!=null)


  		




  75
  77
  
    
        {


  		




  ......




  119
  121
  
    
        }


  		




  120
  122
  
    

  		




  121
  123
  
    
      float[] floatData = { 1.0f, 4.0f, 9.0f, 16.0f, 25.0f, 100.0f };


  		




  122
  
  
    
      mBufferLength = floatData.length * 4;


  		




  123
  
  
    
      FloatBuffer data = ByteBuffer.allocateDirect(mBufferLength).order(ByteOrder.nativeOrder()).asFloatBuffer();


  		




  
  124
  
    
      mBufferLength = floatData.length;


  		




  
  125
  
    
      FloatBuffer data = ByteBuffer.allocateDirect(mBufferLength*BYTESFLOAT).order(ByteOrder.nativeOrder()).asFloatBuffer();


  		




  124
  126
  
    
      data.put(floatData).position(0);


  		




  125
  127
  
    

  		




  126
  128
  
    
      mVBO = new int[1];


  		




  127
  129
  
    
      GLES30.glGenBuffers(1, mVBO, 0);


  		




  128
  130
  
    
      GLES30.glBindBuffer(GLES30.GL_ARRAY_BUFFER, mVBO[0]);


  		




  129
  
  
    
      GLES30.glBufferData(GLES30.GL_ARRAY_BUFFER, mBufferLength, data, GLES30.GL_STATIC_READ);


  		




  
  131
  
    
      GLES30.glBufferData(GLES30.GL_ARRAY_BUFFER, mBufferLength*BYTESFLOAT, data, GLES30.GL_STATIC_READ);


  		




  130
  132
  
    
      GLES30.glBindBuffer(GLES30.GL_ARRAY_BUFFER, 0);


  		




  131
  133
  
    

  		




  132
  134
  
    
      mTBO = new int[1];


  		




  133
  135
  
    
      GLES30.glGenBuffers(1, mTBO, 0);


  		




  134
  136
  
    
      GLES30.glBindBuffer(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, mTBO[0]);


  		




  135
  
  
    
      GLES30.glBufferData(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, mBufferLength, null, GLES30.GL_STATIC_READ);


  		




  
  137
  
    
      GLES30.glBufferData(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, mBufferLength*BYTESFLOAT, null, GLES30.GL_STATIC_READ);


  		




  136
  138
  
    
      GLES30.glBindBuffer(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0);


  		




  137
  139
  
    
      }


  		




  138
  140
  
    
}


  		












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