EffectTechnique.cs

Go to the documentation of this file.

using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
 
namespace Microsoft.Xna.Framework.Graphics;
 
public sealed class EffectTechnique
{
    internal Effect _parent;
 
    internal EffectPassCollection pPasses;
 
    internal EffectAnnotationCollection pAnnotations;
 
    internal unsafe ID3DXBaseEffect* pEffect;
 
    internal unsafe sbyte* _handle;
 
    internal string _name;
 
    public EffectAnnotationCollection Annotations => pAnnotations;
 
    public EffectPassCollection Passes => pPasses;
 
    public string Name => _name;
 
    internal unsafe EffectTechnique(ID3DXBaseEffect* parent, Effect effect, sbyte* technique)
    {
        _parent = effect;
        pEffect = parent;
        _handle = technique;
        base._002Ector();
        ID3DXBaseEffect* ptr = pEffect;
        System.Runtime.CompilerServices.Unsafe.SkipInit(out _D3DXTECHNIQUE_DESC d3DXTECHNIQUE_DESC);
        int num = ((delegate* unmanaged[Stdcall, Stdcall]<IntPtr, sbyte*, _D3DXTECHNIQUE_DESC*, int>)(int)(*(uint*)(*(int*)ptr + 20)))((nint)ptr, _handle, &d3DXTECHNIQUE_DESC);
        if (num < 0)
        {
            throw GraphicsHelpers.GetExceptionFromResult((uint)num);
        }
        IntPtr ptr2 = (IntPtr)(void*)(int)(*(uint*)(&d3DXTECHNIQUE_DESC));
        _name = Marshal.PtrToStringAnsi(ptr2);
        pPasses = new EffectPassCollection(pEffect, this, System.Runtime.CompilerServices.Unsafe.As<_D3DXTECHNIQUE_DESC, int>(ref System.Runtime.CompilerServices.Unsafe.AddByteOffset(ref d3DXTECHNIQUE_DESC, 4)));
        pAnnotations = new EffectAnnotationCollection(pEffect, _handle, System.Runtime.CompilerServices.Unsafe.As<_D3DXTECHNIQUE_DESC, int>(ref System.Runtime.CompilerServices.Unsafe.AddByteOffset(ref d3DXTECHNIQUE_DESC, 8)));
    }
 
    internal unsafe void UpdateHandle(ID3DXBaseEffect* parent, sbyte* handle)
    {
        pEffect = parent;
        _handle = handle;
        pPasses.UpdateParent(parent, handle);
        pAnnotations.UpdateParent(pEffect, _handle);
    }
}