Distorted Android

    return mNumEffects>0 && ((PostprocessEffect) mEffects[0]).getRenderDirectly();

// (if possible!)

// 2022/10/25: removed keeping bucket 0 (i.e. non-postprocessed children) always in the front -

// we don't need it (given the fixes to renderChildren() )

    boolean thisSame,lastSame = false;

      thisSame= (mChildren.get(i).getBucket()==bucket);

      if( lastSame && !thisSame ) break;

      lastSame = thisSame;

  private final boolean[] mBufferInitialized;

    mBufferInitialized = new boolean[EffectQuality.LENGTH];

///////////////////////////////////////////////////////////////////////////////////////////////////

// Render all children from the current bucket to the buffer, apply the postprocessing once to the

// whole buffer (queue.postprocess) and merge it to 'this' (oitBuild or blitWithDepth depending on

// the type of rendering)

  private int accumulateAndBlit(EffectQueuePostprocess queue, InternalChildrenList children, DistortedFramebuffer buffer,

                                int begIndex, int endIndex, boolean isFinal, long time, int fbo, boolean oit )

    {

    int numRenders = 0;

    for(int j=begIndex; j<endIndex; j++)

       {

       DistortedNode node = children.getChild(j);

       if( node.getSurface().setAsInput() )

         {

         buffer.setAsOutput();

         numRenders += queue.preprocess( buffer, node, buffer.mDistance, buffer.mMipmap, buffer.mProjectionMatrix );

         }

       }

    numRenders += queue.postprocess(buffer);

    if( oit )

      {

      numRenders += oitBuild(time, buffer, fbo);

      GLES31.glMemoryBarrier(GLES31.GL_SHADER_STORAGE_BARRIER_BIT | GLES31.GL_ATOMIC_COUNTER_BARRIER_BIT);

      buffer.clearBuffer(fbo);

      }

    else

      {

      numRenders += blitWithDepth(time, buffer, fbo);

      if( !isFinal ) buffer.clearBuffer(fbo);

      }

    return numRenders;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  private int renderChildToThisOrToBuffer(DistortedNode child, DistortedFramebuffer buffer, long time, boolean oit, boolean toThis)

    {

    int numRenders;

    if( toThis )

      {

      setAsOutput(time);

      if( oit )

        {

        numRenders = child.drawOIT(time, this);

        GLES31.glMemoryBarrier(GLES31.GL_SHADER_STORAGE_BARRIER_BIT | GLES31.GL_ATOMIC_COUNTER_BARRIER_BIT);

        }

      else

        {

        numRenders = child.draw(time, this);

        }

      }

    else

      {

      buffer.setAsOutput(time);

      numRenders = child.drawNoBlend(time, buffer);

      }

    return numRenders;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

// The postprocessing buffers mBuffer[] are generally speaking too large (there's just one static

// set of them) so before we use them for output, we need to adjust the Viewport as if they were

// smaller. That takes care of outputting pixels to them. When we use them as input, we have to

// adjust the texture coords - see the get{Width|Height}Correction functions.

//

// Also, adjust the Buffers so their Projection is the same like the surface we are supposed to be

// rendering to.

  private void clonePostprocessingViewportAndProjection(InternalOutputSurface surface, InternalOutputSurface from)

    {

    if( surface.mWidth != from.mWidth || surface.mHeight != from.mHeight ||

        surface.mFOV   != from.mFOV   || surface.mNear   != from.mNear    )

      {

      surface.mWidth  = (int)(from.mWidth *surface.mMipmap);

      surface.mHeight = (int)(from.mHeight*surface.mMipmap);

      surface.mFOV    = from.mFOV;

      surface.mNear   = from.mNear;  // Near plane is independent of the mipmap level

      surface.createProjection();

      int maxw = Math.max(surface.mWidth , surface.mRealWidth );

      int maxh = Math.max(surface.mHeight, surface.mRealHeight);

      if (maxw > surface.mRealWidth || maxh > surface.mRealHeight)

        {

        surface.mRealWidth = maxw;

        surface.mRealHeight = maxh;

        surface.recreate();

        surface.create();

        }

      }

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  private DistortedFramebuffer initializeBuffer(EffectQueuePostprocess queue, int fbo )

    {

    int currQuality = queue.getQuality();

    if( mBuffer[currQuality]==null ) createPostprocessingBuffers(currQuality, mWidth, mHeight, mNear);

    mBuffer[currQuality].setCurrFBO(fbo);

    if( !mBufferInitialized[currQuality] )

      {

      mBufferInitialized[currQuality] = true;

      clonePostprocessingViewportAndProjection(mBuffer[currQuality],this);

      }

    return mBuffer[currQuality];

    }

    boolean toThis=false;

    if( oit && numChildren>0 ) oitClear(this);

    for(int i=0; i<EffectQuality.LENGTH; i++) mBufferInitialized[i]=false;

      if( currBucket!=0 && lastBucket!=currBucket )

        buffer = initializeBuffer(currQueue,fbo);

        if( lastBucket!=0 ) numRenders += accumulateAndBlit(lastQueue,children,buffer,bucketChange,i,false,time,fbo,oit);

        bucketChange= i;

        toThis = currQueue.getRenderDirectly();

      numRenders += renderChildToThisOrToBuffer(child,buffer,time,oit,currBucket==0 || toThis);

      if( currBucket!=0 && i==numChildren-1 ) numRenders += accumulateAndBlit(currQueue,children,buffer,bucketChange,numChildren,true,time,fbo,oit);

    if( oit && numChildren>0 ) numRenders += oitRender(time, fbo);  // merge the OIT linked list

}