#import "GPUImageTwoInputCrossTextureSamplingFilter.h"
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#import "GPUImageFilterGroup.h"
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@interface GPUImagePoissonBlendFilter : GPUImageTwoInputCrossTextureSamplingFilter
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{
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GLint mixUniform;
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GPUImageFramebuffer *secondOutputFramebuffer;
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}
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// Mix ranges from 0.0 (only image 1) to 1.0 (only image 2 gradients), with 1.0 as the normal level
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@property(readwrite, nonatomic) CGFloat mix;
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// The number of times to propagate the gradients.
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// Crank this up to 100 or even 1000 if you want to get anywhere near convergence. Yes, this will be slow.
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@property(readwrite, nonatomic) NSUInteger numIterations;
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@end
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