_imageTexture2D = new Texture2D(600, 600, TextureFormat.RGB24, false);
_rawImage.texture = _imageTexture2D;
_imageTexture2D.Apply();
intPtr = _imageTexture2D.GetNativeTexturePtr()
_ajc = tempAjc.CallStatic<AndroidJavaObject>("CreateInstance", intPtr.ToInt32());

mSurfaceTexture = new SurfaceTexture(mTextureId);

mSurfaceTexture.updateTexImage();