#import "GPUImageTwoInputFilter.h" @interface GPUImageTwoInputCrossTextureSamplingFilter : GPUImageTwoInputFilter { GLint texelWidthUniform, texelHeightUniform; CGFloat texelWidth, texelHeight; BOOL hasOverriddenImageSizeFactor; } // The texel width and height determines how far out to sample from this texel. By default, this is the normalized width of a pixel, but this can be overridden for different effects. @property(readwrite, nonatomic) CGFloat texelWidth; @property(readwrite, nonatomic) CGFloat texelHeight; @end