BaseCameraView.java 文件源码

private void init() {
    setEGLContextClientVersion(2);
    setEGLConfigChooser(8, 8, 8, 8, 16, 0);
    getHolder().setFormat(PixelFormat.RGBA_8888);
    setRenderer(this);
    setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);

    float[] cube = OpenGLUtils.CUBE;
    mCubeBuffer = ByteBuffer.allocateDirect(cube.length * 4).order(ByteOrder.nativeOrder()).asFloatBuffer();
    mCubeBuffer.put(cube);

    float[] textureCords = OpenGLUtils.getTextureCords(90, mCameraId == CameraInfo.CAMERA_FACING_FRONT, true);
    mTextureBuffer = ByteBuffer.allocateDirect(textureCords.length * 4).order(ByteOrder.nativeOrder()).asFloatBuffer();
    mTextureBuffer.put(textureCords);

    List<CameraFilter> filters = new ArrayList<>();
    filters.add(mCameraInputFilter);
    filters.addAll(initFilters());
    mCameraFilterGroup = new CameraFilterGroup(filters);
}