text: //
  //  MI3x3TextureSamplingFilter.h
  //  MetalImage
  //
  //  Created by zsr on 2018/6/18.
  //  Copyright © 2018年 beauty Inc. All rights reserved.
  //
  
  #import "MIFilter.h"
  
  @interface MI3x3TextureSamplingFilter : MIFilter
  {
      id<MTLBuffer> _texelWidthBuffer;
      id<MTLBuffer> _texelHeightBuffer;
  }
  // The texel width and height factors tweak the appearance of the edges. By default, they match the inverse of the filter size in pixels
  @property (nonatomic) float texelWidth;
  @property (nonatomic) float texelHeight;
  
  @end
  