#import "GPUImageFilter.h"
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@interface GPUImageTwoPassFilter : GPUImageFilter
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{
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GPUImageFramebuffer *secondOutputFramebuffer;
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GLProgram *secondFilterProgram;
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GLint secondFilterPositionAttribute, secondFilterTextureCoordinateAttribute;
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GLint secondFilterInputTextureUniform, secondFilterInputTextureUniform2;
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NSMutableDictionary *secondProgramUniformStateRestorationBlocks;
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}
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// Initialization and teardown
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- (id)initWithFirstStageVertexShaderFromString:(NSString *)firstStageVertexShaderString firstStageFragmentShaderFromString:(NSString *)firstStageFragmentShaderString secondStageVertexShaderFromString:(NSString *)secondStageVertexShaderString secondStageFragmentShaderFromString:(NSString *)secondStageFragmentShaderString;
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- (id)initWithFirstStageFragmentShaderFromString:(NSString *)firstStageFragmentShaderString secondStageFragmentShaderFromString:(NSString *)secondStageFragmentShaderString;
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- (void)initializeSecondaryAttributes;
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@end
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