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BlackAndWhiteEffect.java
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BlackAndWhiteEffect.java
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package com.sherazkhilji.videffects;
import android.opengl.GLSurfaceView;
import com.sherazkhilji.videffects.interfaces.ShaderInterface;
/**
* Converts the video into black and white colors
*
* @author sheraz.khilji
*/
public class BlackAndWhiteEffect implements ShaderInterface {
@Override
public String getShader(GLSurfaceView mGlSurfaceView) {
return "#extension GL_OES_EGL_image_external : require\n"
+ "precision mediump float;\n"
+ "varying vec2 vTextureCoord;\n"
+ "uniform samplerExternalOES sTexture;\n" + "void main() {\n"
+ " vec4 color = texture2D(sTexture, vTextureCoord);\n"
+ " float colorR = (color.r + color.g + color.b) / 3.0;\n"
+ " float colorG = (color.r + color.g + color.b) / 3.0;\n"
+ " float colorB = (color.r + color.g + color.b) / 3.0;\n"
+ " gl_FragColor = vec4(colorR, colorG, colorB, color.a);\n"
+ "}\n";
}
}