GPUImageTwoInputFilter Shows Black Screen in realtime camera

[masterraj91]

import "GPUImageTwoInputFilter.h"

@interface GPUImageIFilter : GPUImageTwoInputFilter{

}

@end

// // GPUImageIFilter.m

import "GPUImageIFilter.h"

if TARGET_IPHONE_SIMULATOR || TARGET_OS_IPHONE

NSString *const kGPUImageIFragmentShaderString = SHADER_STRING ( precision lowp float;

varying highp vec2 textureCoordinate;

uniform sampler2D inputImageTexture; uniform sampler2D inputImageTexture2;

void main() { vec3 texel = texture2D(inputImageTexture, textureCoordinate).rgb; texel = vec3(dot(vec3(0.3, 0.6, 0.1), texel)); texel = vec3(texture2D(inputImageTexture2, vec2(texel.r, .16666)).r); gl_FragColor = vec4(texel, 1.0); } );

else

NSString *const kGPUImageIFragmentShaderString = SHADER_STRING ( varying highp vec2 textureCoordinate;

uniform sampler2D inputImageTexture; uniform sampler2D inputImageTexture2;

void main() { vec3 texel = texture2D(inputImageTexture, textureCoordinate).rgb; texel = vec3(dot(vec3(0.3, 0.6, 0.1), texel)); texel = vec3(texture2D(inputImageTexture2, vec2(texel.r, .16666)).r); gl_FragColor = vec4(texel, 1.0); } );

endif

@implementation GPUImageIFilter

• (id)init; { if (!(self = [super initWithFragmentShaderFromString:kGPUImageIFragmentShaderString])) { return nil; }

  return self; }

@end

[masterraj91]

Got the solution !