using Blacklight.Core;
using System;

namespace Glass.Testbed
{
    /// <summary>
    /// Holds what one frame costs.
    /// </summary>
    public readonly struct FrameRecord
    {
        public readonly TimeSpan Update;
        public readonly TimeSpan Draw;
        public readonly FrameCost Cost;
        public readonly long AllocatedBytes;
        public readonly CollectionCounts Collections;

        // Thread cycles count only while the thread is on a core, so against the wall-clock times above they tell
        // running slowly apart from being switched out.  Zero where the host can't read them.
        public readonly long UpdateCycles;
        public readonly long DrawCycles;

        public FrameRecord(TimeSpan update, TimeSpan draw, FrameCost cost, long allocatedBytes,
            CollectionCounts collections, long updateCycles, long drawCycles)
        {
            Update = update;
            Draw = draw;
            Cost = cost;
            AllocatedBytes = allocatedBytes;
            Collections = collections;
            UpdateCycles = updateCycles;
            DrawCycles = drawCycles;
        }
    }
}