SamplerStateCollection.cs

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using System;
 
namespace Microsoft.Xna.Framework.Graphics;
 
public sealed class SamplerStateCollection
{
    private GraphicsDevice pDevice;
 
    private SamplerState[] pSamplerList;
 
    private int samplerOffset;
 
    public SamplerState this[int index]
    {
        get
        {
            if (index >= 0)
            {
                SamplerState[] array = pSamplerList;
                if (index < (nint)array.LongLength)
                {
                    return array[index];
                }
            }
            throw new ArgumentOutOfRangeException("index");
        }
        set
        {
            if (index >= 0)
            {
                SamplerState[] array = pSamplerList;
                if (index < (nint)array.LongLength)
                {
                    if (value == null)
                    {
                        throw new ArgumentNullException("value", FrameworkResources.NullNotAllowed);
                    }
                    if (value != array[index])
                    {
                        value.Apply(pDevice, samplerOffset + index);
                        pSamplerList[index] = value;
                    }
                    return;
                }
            }
            throw new ArgumentOutOfRangeException("index");
        }
    }
 
    internal SamplerStateCollection(GraphicsDevice pParent, int samplerOffset, int maxSamplers)
    {
        pDevice = pParent;
        this.samplerOffset = samplerOffset;
        base._002Ector();
        pSamplerList = new SamplerState[maxSamplers];
    }
 
    internal void InitializeDeviceState()
    {
        int num = 0;
        SamplerState[] array = pSamplerList;
        if (0 >= (nint)array.LongLength)
        {
            return;
        }
        while (true)
        {
            array[num] = null;
            SamplerState linearWrap = SamplerState.LinearWrap;
            if (num < 0)
            {
                break;
            }
            array = pSamplerList;
            if (num >= (nint)array.LongLength)
            {
                break;
            }
            if (linearWrap != null)
            {
                if (linearWrap != array[num])
                {
                    linearWrap.Apply(pDevice, samplerOffset + num);
                    pSamplerList[num] = linearWrap;
                }
                num++;
                array = pSamplerList;
                if (num >= (nint)array.LongLength)
                {
                    return;
                }
                continue;
            }
            throw new ArgumentNullException("value", FrameworkResources.NullNotAllowed);
        }
        throw new ArgumentOutOfRangeException("index");
    }
 
    internal void ClearState(int index)
    {
        if (index >= 0)
        {
            SamplerState[] array = pSamplerList;
            if (index < (nint)array.LongLength)
            {
                array[index] = null;
            }
        }
    }
}