How to use

GLException

in

android.opengl

private Bitmap createBitmapFromGLSurface(int w, int h, GL10 gl) {
  int bitmapBuffer[] = new int[w * h];
  int bitmapSource[] = new int[w * h];
  IntBuffer intBuffer = IntBuffer.wrap(bitmapBuffer);
  intBuffer.position(0);
  try {
    gl.glReadPixels(0, 0, w, h, GL10.GL_RGBA, GL10.GL_UNSIGNED_BYTE, intBuffer);
    int offset1, offset2, texturePixel, blue, red, pixel;
    for (int i = 0; i < h; i++) {
      offset1 = i * w;
      offset2 = (h - i - 1) * w;
      for (int j = 0; j < w; j++) {
        texturePixel = bitmapBuffer[offset1 + j];
        blue = (texturePixel >> 16) & 0xff;
        red = (texturePixel << 16) & 0x00ff0000;
        pixel = (texturePixel & 0xff00ff00) | red | blue;
        bitmapSource[offset2 + j] = pixel;
      }
    }
  } catch (GLException e) {
    Log.e("CreateBitmap", "createBitmapFromGLSurface: " + e.getMessage(), e);
    return null;
  }
  return Bitmap.createBitmap(bitmapSource, w, h, Bitmap.Config.ARGB_8888);
}

private void checkError() {
  int eglError;
  if ((eglError = mEgl10.eglGetError()) != EGL_SUCCESS) {
    String errorMessage = "eglError: " + getErrorString(eglError);
    logLine(errorMessage);
    if (mCheckError) {
      throw new GLException(eglError, errorMessage);
    }
  }
}

private void checkError() {
  int eglError;
  if ((eglError = mEgl10.eglGetError()) != EGL_SUCCESS) {
    String errorMessage = "eglError: " + getErrorString(eglError);
    logLine(errorMessage);
    if (mCheckError) {
      throw new GLException(eglError, errorMessage);
    }
  }
}

private Bitmap createBitmapFromGLSurface(int w, int h, GL10 gl) {
  int bitmapBuffer[] = new int[w * h];
  int bitmapSource[] = new int[w * h];
  IntBuffer intBuffer = IntBuffer.wrap(bitmapBuffer);
  intBuffer.position(0);
  try {
    gl.glReadPixels(0, 0, w, h, GL10.GL_RGBA, GL10.GL_UNSIGNED_BYTE, intBuffer);
    int offset1, offset2, texturePixel, blue, red, pixel;
    for (int i = 0; i < h; i++) {
      offset1 = i * w;
      offset2 = (h - i - 1) * w;
      for (int j = 0; j < w; j++) {
        texturePixel = bitmapBuffer[offset1 + j];
        blue = (texturePixel >> 16) & 0xff;
        red = (texturePixel << 16) & 0x00ff0000;
        pixel = (texturePixel & 0xff00ff00) | red | blue;
        bitmapSource[offset2 + j] = pixel;
      }
    }
  } catch (GLException e) {
    Log.e("CreateBitmap", "createBitmapFromGLSurface: " + e.getMessage(), e);
    return null;
  }
  return Bitmap.createBitmap(bitmapSource, w, h, Bitmap.Config.ARGB_8888);
}