// Copyright (c) Six Labors.
// Licensed under the Six Labors Split License.

using System.Buffers;
using BenchmarkDotNet.Attributes;
using SixLabors.ImageSharp.Memory;
using SixLabors.ImageSharp.PixelFormats;

// ReSharper disable InconsistentNaming
namespace SixLabors.ImageSharp.Benchmarks.Bulk;

public abstract class Rgb24Bytes<TPixel>
    where TPixel : unmanaged, IPixel<TPixel>
{
    private IMemoryOwner<TPixel> source;

    private IMemoryOwner<byte> destination;

    private Configuration configuration;

    [Params(16, 128, 1024)]
    public int Count { get; set; }

    [GlobalSetup]
    public void Setup()
    {
        this.configuration = Configuration.Default;
        this.source = this.configuration.MemoryAllocator.Allocate<TPixel>(this.Count);
        this.destination = this.configuration.MemoryAllocator.Allocate<byte>(this.Count * 3);
    }

    [GlobalCleanup]
    public void Cleanup()
    {
        this.source.Dispose();
        this.destination.Dispose();
    }

    [Benchmark(Baseline = true)]
    public void CommonBulk() =>
        new PixelOperations<TPixel>().ToRgb24Bytes(
            this.configuration,
            this.source.GetSpan(),
            this.destination.GetSpan(),
            this.Count);

    [Benchmark]
    public void OptimizedBulk() =>
        PixelOperations<TPixel>.Instance.ToRgb24Bytes(
            this.configuration,
            this.source.GetSpan(),
            this.destination.GetSpan(),
            this.Count);
}

public class Rgb24Bytes_Rgba32 : Rgb24Bytes<Rgba32>
{
}