// All other negative values are an unknown error returned downstream
// from the graphics allocator (typically errno).
virtual status_t dequeueBuffer(int* slot, sp<Fence>* fence, uint32_t w,
// All other negative values are an unknown error returned downstream
// from the graphics allocator (typically errno).
virtual status_t dequeueBuffer(int* slot, sp<Fence>* fence, uint32_t w,