164     unsigned int extraDiff, leastExtraDiff = UINT_MAX;  in _glfwChooseFBConfig()  local
240             extraDiff = 0;  in _glfwChooseFBConfig()
244                 extraDiff += (desired->alphaBits - current->alphaBits) *  in _glfwChooseFBConfig()
250                 extraDiff += (desired->depthBits - current->depthBits) *  in _glfwChooseFBConfig()
256                 extraDiff += (desired->stencilBits - current->stencilBits) *  in _glfwChooseFBConfig()
262                 extraDiff += (desired->accumRedBits - current->accumRedBits) *  in _glfwChooseFBConfig()
268                 extraDiff += (desired->accumGreenBits - current->accumGreenBits) *  in _glfwChooseFBConfig()
274                 extraDiff += (desired->accumBlueBits - current->accumBlueBits) *  in _glfwChooseFBConfig()
280                 extraDiff += (desired->accumAlphaBits - current->accumAlphaBits) *  in _glfwChooseFBConfig()
286                 extraDiff += (desired->samples - current->samples) *  in _glfwChooseFBConfig()
291                 extraDiff++;  in _glfwChooseFBConfig()
303                 (colorDiff == leastColorDiff && extraDiff < leastExtraDiff))  in _glfwChooseFBConfig()
313             leastExtraDiff = extraDiff;  in _glfwChooseFBConfig()