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Revision c207da02

Added by Leszek Koltunski almost 6 years ago

OIT: fixes. Everything looks correct now except for the curious return of the 'dancing lower-left corner' small glitch in the 'Transparency' app.

View differences:

src/main/java/org/distorted/library/main/DistortedFramebuffer.java
197 197 
    super(width,height,NOT_CREATED_YET,numcolors,depthStencil,NOT_CREATED_YET,TYPE_USER);
198 198 
    }
199 199 

  		




  200
  
  
    
///////////////////////////////////////////////////////////////////////////////////////////////////


  		




  201
  
  
    

  		




  202
  
  
    
/**


  		




  203
  
  
    
 * Create new offscreen Framebuffer with COLOR0 attachment only.


  		




  204
  
  
    
 *


  		




  205
  
  
    
 * @param width Width of the COLOR0 attachment.


  		




  206
  
  
    
 * @param height Height of the COLOR0 attachment.


  		




  207
  
  
    
 */


  		




  208
  
  
    
  @SuppressWarnings("unused")


  		




  209
  
  
    
  public DistortedFramebuffer(int width, int height)


  		




  210
  
  
    
    {


  		




  211
  
  
    
    super(width,height,NOT_CREATED_YET, 1, NO_DEPTH_NO_STENCIL,NOT_CREATED_YET,TYPE_USER);


  		




  212
  
  
    
    }


  		




  213
  
  
    

  		




  214
  200
  
    
///////////////////////////////////////////////////////////////////////////////////////////////////


  		




  215
  201
  
    
/**


  		




  216
  202
  
    
 * Bind the underlying rectangle of pixels as a OpenGL Texture.


  		












  

    
      src/main/java/org/distorted/library/main/DistortedOutputSurface.java
    
  





  293
  293
  
    
///////////////////////////////////////////////////////////////////////////////////////////////////


  		




  294
  294
  
    
// two phases: 1. collapse the SSBO 2. blend the ssbo's color


  		




  295
  295
  
    

  		




  296
  
  
    
  private int oitRender(long currTime, DistortedOutputSurface buffer)


  		




  
  296
  
    
  private int oitRender(long currTime)


  		




  297
  297
  
    
    {


  		




  298
  
  
    
    float corrW = buffer.getWidthCorrection();


  		




  299
  
  
    
    float corrH = buffer.getHeightCorrection();


  		




  
  298
  
    
    float corrW = getWidthCorrection();


  		




  
  299
  
    
    float corrH = getHeightCorrection();


  		




  300
  300
  
    

  		




  301
  301
  
    
    GLES31.glViewport(0, 0, mWidth, mHeight);


  		




  302
  
  
    
    setAsOutput(currTime);


  		




  
  302
  
    
    GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, 0);


  		




  303
  303
  
    
    GLES31.glActiveTexture(GLES31.GL_TEXTURE1);


  		




  304
  
  
    
    GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, buffer.mDepthStencilH[0]);


  		




  
  304
  
    
    GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, mDepthStencilH[0]);


  		




  305
  305
  
    

  		




  306
  306
  
    
    DistortedRenderState.switchOffColorDepthStencil();


  		




  307
  307
  
    
    DistortedEffects.oitCollapse(this, corrW, corrH );


  		




  308
  308
  
    

  		




  309
  
  
    
    GLES31.glActiveTexture(GLES31.GL_TEXTURE1);


  		




  310
  309
  
    
    GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, 0);


  		




  311
  310
  
    

  		




  
  311
  
    
    setAsOutput(currTime);


  		




  312
  312
  
    
    DistortedRenderState.switchColorDepthOnStencilOff();


  		




  313
  313
  
    
    DistortedEffects.oitRender(this, corrW, corrH);


  		




  314
  314
  
    
    DistortedRenderState.restoreColorDepthStencil();


  		




  ......




  420
  420
  
    
          numRenders += currQueue.postprocess(mBuffer);


  		




  421
  421
  
    
          numRenders += oitBuild(mBuffer[quality]);


  		




  422
  422
  
    
          GLES31.glMemoryBarrier(GLES31.GL_SHADER_STORAGE_BARRIER_BIT);


  		




  423
  
  
    
          numRenders += oitRender(time,this);  // merge the OIT linked list


  		




  
  423
  
    
          numRenders += oitRender(time);  // merge the OIT linked list


  		




  424
  424
  
    
          clearBuffer(mBuffer[quality]);


  		




  425
  425
  
    
          }


  		




  426
  426
  
    
        } // end else (postprocessed child)


  		












  

    
      src/main/res/raw/oit_collapse_fragment_shader.glsl
    
  





  50
  50
  
    
    const float S= 2147483647.0;


  		




  51
  51
  
    
    float depth = texture(u_DepthTexture, v_TexCoordinate).r;


  		




  52
  52
  
    
    uint texdepth = uint(S*(1.0-depth)/2.0);


  		




  53
  
  
    
    uint linkedlistdepth = u_Records[curr+1u];


  		




  54
  53
  
    

  		




  55
  
  
    
    while( curr != 0u && linkedlistdepth > texdepth )


  		




  
  54
  
    
    while( curr != 0u )


  		




  56
  55
  
    
      {


  		




  
  56
  
    
      if( u_Records[curr+1u] <= texdepth )


  		




  
  57
  
    
        {


  		




  
  58
  
    
        u_Records[prev] = 0u;


  		




  
  59
  
    
        break;


  		




  
  60
  
    
        }


  		




  
  61
  
    

  		




  57
  62
  
    
      prev = curr;


  		




  58
  63
  
    
      curr = u_Records[curr];


  		




  59
  
  
    
      linkedlistdepth = u_Records[curr+1u];


  		




  60
  
  
    
      }


  		




  61
  
  
    

  		




  62
  
  
    
    if( curr != 0u )


  		




  63
  
  
    
      {


  		




  64
  
  
    
      u_Records[prev] = 0u;


  		




  65
  64
  
    
      }


  		




  66
  65
  
    
    }


  		




  67
  66
  
    
  else discard;


  		












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