KSG-Framework/d3dx12.h

//*********************************************************
//
// Copyright (c) Microsoft. All rights reserved.
// This code is licensed under the MIT License (MIT).
// THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
// IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
// PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
//
//*********************************************************

// changes made for dynamic linking of dx12.dll
// - all occurrences of "IID_ID3D12Device" were replaced by "__uuidof(*pDevice)"
// - the function D3DX12SerializeVersionedRootSignature has two additional
// functionpointer arguments pointing to the dynamically loaded fuctions of type
// PFN_D3D12_SERIALIZE_VERSIONED_ROOT_SIGNATURE and
// PFN_D3D12_SERIALIZE_ROOT_SIGNATURE

#ifndef __D3DX12_H__
#define __D3DX12_H__

#include "d3d12.h"

#if defined(__cplusplus)

struct CD3DX12_DEFAULT
{};

extern const DECLSPEC_SELECTANY CD3DX12_DEFAULT D3D12_DEFAULT;

//------------------------------------------------------------------------------------------------
inline bool operator==(
    const D3D12_VIEWPORT& l, const D3D12_VIEWPORT& r) noexcept
{
    return l.TopLeftX == r.TopLeftX && l.TopLeftY == r.TopLeftY
        && l.Width == r.Width && l.Height == r.Height
        && l.MinDepth == r.MinDepth && l.MaxDepth == r.MaxDepth;
}

//------------------------------------------------------------------------------------------------
inline bool operator!=(
    const D3D12_VIEWPORT& l, const D3D12_VIEWPORT& r) noexcept
{
    return !(l == r);
}

//------------------------------------------------------------------------------------------------
struct CD3DX12_RECT : public D3D12_RECT
{
    CD3DX12_RECT() = default;

    explicit CD3DX12_RECT(const D3D12_RECT& o) noexcept
        : D3D12_RECT(o)
    {}

    explicit CD3DX12_RECT(LONG Left, LONG Top, LONG Right, LONG Bottom) noexcept
    {
        left = Left;
        top = Top;
        right = Right;
        bottom = Bottom;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_VIEWPORT : public D3D12_VIEWPORT
{
    CD3DX12_VIEWPORT() = default;

    explicit CD3DX12_VIEWPORT(const D3D12_VIEWPORT& o) noexcept
        : D3D12_VIEWPORT(o)
    {}

    explicit CD3DX12_VIEWPORT(FLOAT topLeftX,
        FLOAT topLeftY,
        FLOAT width,
        FLOAT height,
        FLOAT minDepth = D3D12_MIN_DEPTH,
        FLOAT maxDepth = D3D12_MAX_DEPTH) noexcept
    {
        TopLeftX = topLeftX;
        TopLeftY = topLeftY;
        Width = width;
        Height = height;
        MinDepth = minDepth;
        MaxDepth = maxDepth;
    }

    explicit CD3DX12_VIEWPORT(_In_ ID3D12Resource* pResource,
        UINT mipSlice = 0,
        FLOAT topLeftX = 0.0f,
        FLOAT topLeftY = 0.0f,
        FLOAT minDepth = D3D12_MIN_DEPTH,
        FLOAT maxDepth = D3D12_MAX_DEPTH) noexcept
    {
        auto Desc = pResource->GetDesc();
        const UINT64 SubresourceWidth = Desc.Width >> mipSlice;
        const UINT64 SubresourceHeight = Desc.Height >> mipSlice;
        switch (Desc.Dimension)
        {
        case D3D12_RESOURCE_DIMENSION_BUFFER:
            TopLeftX = topLeftX;
            TopLeftY = 0.0f;
            Width = float(Desc.Width) - topLeftX;
            Height = 1.0f;
            break;
        case D3D12_RESOURCE_DIMENSION_TEXTURE1D:
            TopLeftX = topLeftX;
            TopLeftY = 0.0f;
            Width = (SubresourceWidth ? float(SubresourceWidth) : 1.0f)
                  - topLeftX;
            Height = 1.0f;
            break;
        case D3D12_RESOURCE_DIMENSION_TEXTURE2D:
        case D3D12_RESOURCE_DIMENSION_TEXTURE3D:
            TopLeftX = topLeftX;
            TopLeftY = topLeftY;
            Width = (SubresourceWidth ? float(SubresourceWidth) : 1.0f)
                  - topLeftX;
            Height = (SubresourceHeight ? float(SubresourceHeight) : 1.0f)
                   - topLeftY;
            break;
        default:
            break;
        }

        MinDepth = minDepth;
        MaxDepth = maxDepth;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_BOX : public D3D12_BOX
{
    CD3DX12_BOX() = default;

    explicit CD3DX12_BOX(const D3D12_BOX& o) noexcept
        : D3D12_BOX(o)
    {}

    explicit CD3DX12_BOX(LONG Left, LONG Right) noexcept
    {
        left = static_cast<UINT>(Left);
        top = 0;
        front = 0;
        right = static_cast<UINT>(Right);
        bottom = 1;
        back = 1;
    }

    explicit CD3DX12_BOX(LONG Left, LONG Top, LONG Right, LONG Bottom) noexcept
    {
        left = static_cast<UINT>(Left);
        top = static_cast<UINT>(Top);
        front = 0;
        right = static_cast<UINT>(Right);
        bottom = static_cast<UINT>(Bottom);
        back = 1;
    }

    explicit CD3DX12_BOX(LONG Left,
        LONG Top,
        LONG Front,
        LONG Right,
        LONG Bottom,
        LONG Back) noexcept
    {
        left = static_cast<UINT>(Left);
        top = static_cast<UINT>(Top);
        front = static_cast<UINT>(Front);
        right = static_cast<UINT>(Right);
        bottom = static_cast<UINT>(Bottom);
        back = static_cast<UINT>(Back);
    }
};

inline bool operator==(const D3D12_BOX& l, const D3D12_BOX& r) noexcept
{
    return l.left == r.left && l.top == r.top && l.front == r.front
        && l.right == r.right && l.bottom == r.bottom && l.back == r.back;
}

inline bool operator!=(const D3D12_BOX& l, const D3D12_BOX& r) noexcept
{
    return !(l == r);
}

//------------------------------------------------------------------------------------------------
struct CD3DX12_DEPTH_STENCIL_DESC : public D3D12_DEPTH_STENCIL_DESC
{
    CD3DX12_DEPTH_STENCIL_DESC() = default;

    explicit CD3DX12_DEPTH_STENCIL_DESC(
        const D3D12_DEPTH_STENCIL_DESC& o) noexcept
        : D3D12_DEPTH_STENCIL_DESC(o)
    {}

    explicit CD3DX12_DEPTH_STENCIL_DESC(CD3DX12_DEFAULT) noexcept
    {
        DepthEnable = TRUE;
        DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ALL;
        DepthFunc = D3D12_COMPARISON_FUNC_LESS;
        StencilEnable = FALSE;
        StencilReadMask = D3D12_DEFAULT_STENCIL_READ_MASK;
        StencilWriteMask = D3D12_DEFAULT_STENCIL_WRITE_MASK;
        const D3D12_DEPTH_STENCILOP_DESC defaultStencilOp
            = {D3D12_STENCIL_OP_KEEP,
                D3D12_STENCIL_OP_KEEP,
                D3D12_STENCIL_OP_KEEP,
                D3D12_COMPARISON_FUNC_ALWAYS};
        FrontFace = defaultStencilOp;
        BackFace = defaultStencilOp;
    }

    explicit CD3DX12_DEPTH_STENCIL_DESC(BOOL depthEnable,
        D3D12_DEPTH_WRITE_MASK depthWriteMask,
        D3D12_COMPARISON_FUNC depthFunc,
        BOOL stencilEnable,
        UINT8 stencilReadMask,
        UINT8 stencilWriteMask,
        D3D12_STENCIL_OP frontStencilFailOp,
        D3D12_STENCIL_OP frontStencilDepthFailOp,
        D3D12_STENCIL_OP frontStencilPassOp,
        D3D12_COMPARISON_FUNC frontStencilFunc,
        D3D12_STENCIL_OP backStencilFailOp,
        D3D12_STENCIL_OP backStencilDepthFailOp,
        D3D12_STENCIL_OP backStencilPassOp,
        D3D12_COMPARISON_FUNC backStencilFunc) noexcept
    {
        DepthEnable = depthEnable;
        DepthWriteMask = depthWriteMask;
        DepthFunc = depthFunc;
        StencilEnable = stencilEnable;
        StencilReadMask = stencilReadMask;
        StencilWriteMask = stencilWriteMask;
        FrontFace.StencilFailOp = frontStencilFailOp;
        FrontFace.StencilDepthFailOp = frontStencilDepthFailOp;
        FrontFace.StencilPassOp = frontStencilPassOp;
        FrontFace.StencilFunc = frontStencilFunc;
        BackFace.StencilFailOp = backStencilFailOp;
        BackFace.StencilDepthFailOp = backStencilDepthFailOp;
        BackFace.StencilPassOp = backStencilPassOp;
        BackFace.StencilFunc = backStencilFunc;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_DEPTH_STENCIL_DESC1 : public D3D12_DEPTH_STENCIL_DESC1
{
    CD3DX12_DEPTH_STENCIL_DESC1() = default;

    explicit CD3DX12_DEPTH_STENCIL_DESC1(
        const D3D12_DEPTH_STENCIL_DESC1& o) noexcept
        : D3D12_DEPTH_STENCIL_DESC1(o)
    {}

    explicit CD3DX12_DEPTH_STENCIL_DESC1(
        const D3D12_DEPTH_STENCIL_DESC& o) noexcept
    {
        DepthEnable = o.DepthEnable;
        DepthWriteMask = o.DepthWriteMask;
        DepthFunc = o.DepthFunc;
        StencilEnable = o.StencilEnable;
        StencilReadMask = o.StencilReadMask;
        StencilWriteMask = o.StencilWriteMask;
        FrontFace.StencilFailOp = o.FrontFace.StencilFailOp;
        FrontFace.StencilDepthFailOp = o.FrontFace.StencilDepthFailOp;
        FrontFace.StencilPassOp = o.FrontFace.StencilPassOp;
        FrontFace.StencilFunc = o.FrontFace.StencilFunc;
        BackFace.StencilFailOp = o.BackFace.StencilFailOp;
        BackFace.StencilDepthFailOp = o.BackFace.StencilDepthFailOp;
        BackFace.StencilPassOp = o.BackFace.StencilPassOp;
        BackFace.StencilFunc = o.BackFace.StencilFunc;
        DepthBoundsTestEnable = FALSE;
    }

    explicit CD3DX12_DEPTH_STENCIL_DESC1(CD3DX12_DEFAULT) noexcept
    {
        DepthEnable = TRUE;
        DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ALL;
        DepthFunc = D3D12_COMPARISON_FUNC_LESS;
        StencilEnable = FALSE;
        StencilReadMask = D3D12_DEFAULT_STENCIL_READ_MASK;
        StencilWriteMask = D3D12_DEFAULT_STENCIL_WRITE_MASK;
        const D3D12_DEPTH_STENCILOP_DESC defaultStencilOp
            = {D3D12_STENCIL_OP_KEEP,
                D3D12_STENCIL_OP_KEEP,
                D3D12_STENCIL_OP_KEEP,
                D3D12_COMPARISON_FUNC_ALWAYS};
        FrontFace = defaultStencilOp;
        BackFace = defaultStencilOp;
        DepthBoundsTestEnable = FALSE;
    }

    explicit CD3DX12_DEPTH_STENCIL_DESC1(BOOL depthEnable,
        D3D12_DEPTH_WRITE_MASK depthWriteMask,
        D3D12_COMPARISON_FUNC depthFunc,
        BOOL stencilEnable,
        UINT8 stencilReadMask,
        UINT8 stencilWriteMask,
        D3D12_STENCIL_OP frontStencilFailOp,
        D3D12_STENCIL_OP frontStencilDepthFailOp,
        D3D12_STENCIL_OP frontStencilPassOp,
        D3D12_COMPARISON_FUNC frontStencilFunc,
        D3D12_STENCIL_OP backStencilFailOp,
        D3D12_STENCIL_OP backStencilDepthFailOp,
        D3D12_STENCIL_OP backStencilPassOp,
        D3D12_COMPARISON_FUNC backStencilFunc,
        BOOL depthBoundsTestEnable) noexcept
    {
        DepthEnable = depthEnable;
        DepthWriteMask = depthWriteMask;
        DepthFunc = depthFunc;
        StencilEnable = stencilEnable;
        StencilReadMask = stencilReadMask;
        StencilWriteMask = stencilWriteMask;
        FrontFace.StencilFailOp = frontStencilFailOp;
        FrontFace.StencilDepthFailOp = frontStencilDepthFailOp;
        FrontFace.StencilPassOp = frontStencilPassOp;
        FrontFace.StencilFunc = frontStencilFunc;
        BackFace.StencilFailOp = backStencilFailOp;
        BackFace.StencilDepthFailOp = backStencilDepthFailOp;
        BackFace.StencilPassOp = backStencilPassOp;
        BackFace.StencilFunc = backStencilFunc;
        DepthBoundsTestEnable = depthBoundsTestEnable;
    }

    operator D3D12_DEPTH_STENCIL_DESC() const noexcept
    {
        D3D12_DEPTH_STENCIL_DESC D;
        D.DepthEnable = DepthEnable;
        D.DepthWriteMask = DepthWriteMask;
        D.DepthFunc = DepthFunc;
        D.StencilEnable = StencilEnable;
        D.StencilReadMask = StencilReadMask;
        D.StencilWriteMask = StencilWriteMask;
        D.FrontFace.StencilFailOp = FrontFace.StencilFailOp;
        D.FrontFace.StencilDepthFailOp = FrontFace.StencilDepthFailOp;
        D.FrontFace.StencilPassOp = FrontFace.StencilPassOp;
        D.FrontFace.StencilFunc = FrontFace.StencilFunc;
        D.BackFace.StencilFailOp = BackFace.StencilFailOp;
        D.BackFace.StencilDepthFailOp = BackFace.StencilDepthFailOp;
        D.BackFace.StencilPassOp = BackFace.StencilPassOp;
        D.BackFace.StencilFunc = BackFace.StencilFunc;
        return D;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_BLEND_DESC : public D3D12_BLEND_DESC
{
    CD3DX12_BLEND_DESC() = default;

    explicit CD3DX12_BLEND_DESC(const D3D12_BLEND_DESC& o) noexcept
        : D3D12_BLEND_DESC(o)
    {}

    explicit CD3DX12_BLEND_DESC(CD3DX12_DEFAULT) noexcept
    {
        AlphaToCoverageEnable = FALSE;
        IndependentBlendEnable = FALSE;
        const D3D12_RENDER_TARGET_BLEND_DESC defaultRenderTargetBlendDesc = {
            FALSE,
            FALSE,
            D3D12_BLEND_ONE,
            D3D12_BLEND_ZERO,
            D3D12_BLEND_OP_ADD,
            D3D12_BLEND_ONE,
            D3D12_BLEND_ZERO,
            D3D12_BLEND_OP_ADD,
            D3D12_LOGIC_OP_NOOP,
            D3D12_COLOR_WRITE_ENABLE_ALL,
        };
        for (UINT i = 0; i < D3D12_SIMULTANEOUS_RENDER_TARGET_COUNT; ++i)
            RenderTarget[i] = defaultRenderTargetBlendDesc;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_RASTERIZER_DESC : public D3D12_RASTERIZER_DESC
{
    CD3DX12_RASTERIZER_DESC() = default;

    explicit CD3DX12_RASTERIZER_DESC(const D3D12_RASTERIZER_DESC& o) noexcept
        : D3D12_RASTERIZER_DESC(o)
    {}

    explicit CD3DX12_RASTERIZER_DESC(CD3DX12_DEFAULT) noexcept
    {
        FillMode = D3D12_FILL_MODE_SOLID;
        CullMode = D3D12_CULL_MODE_BACK;
        FrontCounterClockwise = FALSE;
        DepthBias = D3D12_DEFAULT_DEPTH_BIAS;
        DepthBiasClamp = D3D12_DEFAULT_DEPTH_BIAS_CLAMP;
        SlopeScaledDepthBias = D3D12_DEFAULT_SLOPE_SCALED_DEPTH_BIAS;
        DepthClipEnable = TRUE;
        MultisampleEnable = FALSE;
        AntialiasedLineEnable = FALSE;
        ForcedSampleCount = 0;
        ConservativeRaster = D3D12_CONSERVATIVE_RASTERIZATION_MODE_OFF;
    }

    explicit CD3DX12_RASTERIZER_DESC(D3D12_FILL_MODE fillMode,
        D3D12_CULL_MODE cullMode,
        BOOL frontCounterClockwise,
        INT depthBias,
        FLOAT depthBiasClamp,
        FLOAT slopeScaledDepthBias,
        BOOL depthClipEnable,
        BOOL multisampleEnable,
        BOOL antialiasedLineEnable,
        UINT forcedSampleCount,
        D3D12_CONSERVATIVE_RASTERIZATION_MODE conservativeRaster) noexcept
    {
        FillMode = fillMode;
        CullMode = cullMode;
        FrontCounterClockwise = frontCounterClockwise;
        DepthBias = depthBias;
        DepthBiasClamp = depthBiasClamp;
        SlopeScaledDepthBias = slopeScaledDepthBias;
        DepthClipEnable = depthClipEnable;
        MultisampleEnable = multisampleEnable;
        AntialiasedLineEnable = antialiasedLineEnable;
        ForcedSampleCount = forcedSampleCount;
        ConservativeRaster = conservativeRaster;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_RESOURCE_ALLOCATION_INFO : public D3D12_RESOURCE_ALLOCATION_INFO
{
    CD3DX12_RESOURCE_ALLOCATION_INFO() = default;

    explicit CD3DX12_RESOURCE_ALLOCATION_INFO(
        const D3D12_RESOURCE_ALLOCATION_INFO& o) noexcept
        : D3D12_RESOURCE_ALLOCATION_INFO(o)
    {}

    CD3DX12_RESOURCE_ALLOCATION_INFO(UINT64 size, UINT64 alignment) noexcept
    {
        SizeInBytes = size;
        Alignment = alignment;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_HEAP_PROPERTIES : public D3D12_HEAP_PROPERTIES
{
    CD3DX12_HEAP_PROPERTIES() = default;

    explicit CD3DX12_HEAP_PROPERTIES(const D3D12_HEAP_PROPERTIES& o) noexcept
        : D3D12_HEAP_PROPERTIES(o)
    {}

    CD3DX12_HEAP_PROPERTIES(D3D12_CPU_PAGE_PROPERTY cpuPageProperty,
        D3D12_MEMORY_POOL memoryPoolPreference,
        UINT creationNodeMask = 1,
        UINT nodeMask = 1)
    noexcept
    {
        Type = D3D12_HEAP_TYPE_CUSTOM;
        CPUPageProperty = cpuPageProperty;
        MemoryPoolPreference = memoryPoolPreference;
        CreationNodeMask = creationNodeMask;
        VisibleNodeMask = nodeMask;
    }

    explicit CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE type,
        UINT creationNodeMask = 1,
        UINT nodeMask = 1) noexcept
    {
        Type = type;
        CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
        MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
        CreationNodeMask = creationNodeMask;
        VisibleNodeMask = nodeMask;
    }

    bool IsCPUAccessible() const noexcept
    {
        return Type == D3D12_HEAP_TYPE_UPLOAD
            || Type == D3D12_HEAP_TYPE_READBACK
            || (Type == D3D12_HEAP_TYPE_CUSTOM
                && (CPUPageProperty == D3D12_CPU_PAGE_PROPERTY_WRITE_COMBINE
                    || CPUPageProperty == D3D12_CPU_PAGE_PROPERTY_WRITE_BACK));
    }
};

inline bool operator==(
    const D3D12_HEAP_PROPERTIES& l, const D3D12_HEAP_PROPERTIES& r) noexcept
{
    return l.Type == r.Type && l.CPUPageProperty == r.CPUPageProperty
        && l.MemoryPoolPreference == r.MemoryPoolPreference
        && l.CreationNodeMask == r.CreationNodeMask
        && l.VisibleNodeMask == r.VisibleNodeMask;
}

inline bool operator!=(
    const D3D12_HEAP_PROPERTIES& l, const D3D12_HEAP_PROPERTIES& r) noexcept
{
    return !(l == r);
}

//------------------------------------------------------------------------------------------------
struct CD3DX12_HEAP_DESC : public D3D12_HEAP_DESC
{
    CD3DX12_HEAP_DESC() = default;

    explicit CD3DX12_HEAP_DESC(const D3D12_HEAP_DESC& o) noexcept
        : D3D12_HEAP_DESC(o)
    {}

    CD3DX12_HEAP_DESC(UINT64 size,
        D3D12_HEAP_PROPERTIES properties,
        UINT64 alignment = 0,
        D3D12_HEAP_FLAGS flags = D3D12_HEAP_FLAG_NONE)
    noexcept
    {
        SizeInBytes = size;
        Properties = properties;
        Alignment = alignment;
        Flags = flags;
    }

    CD3DX12_HEAP_DESC(UINT64 size,
        D3D12_HEAP_TYPE type,
        UINT64 alignment = 0,
        D3D12_HEAP_FLAGS flags = D3D12_HEAP_FLAG_NONE)
    noexcept
    {
        SizeInBytes = size;
        Properties = CD3DX12_HEAP_PROPERTIES(type);
        Alignment = alignment;
        Flags = flags;
    }

    CD3DX12_HEAP_DESC(UINT64 size,
        D3D12_CPU_PAGE_PROPERTY cpuPageProperty,
        D3D12_MEMORY_POOL memoryPoolPreference,
        UINT64 alignment = 0,
        D3D12_HEAP_FLAGS flags = D3D12_HEAP_FLAG_NONE)
    noexcept
    {
        SizeInBytes = size;
        Properties
            = CD3DX12_HEAP_PROPERTIES(cpuPageProperty, memoryPoolPreference);
        Alignment = alignment;
        Flags = flags;
    }

    CD3DX12_HEAP_DESC(const D3D12_RESOURCE_ALLOCATION_INFO& resAllocInfo,
        D3D12_HEAP_PROPERTIES properties,
        D3D12_HEAP_FLAGS flags = D3D12_HEAP_FLAG_NONE)
    noexcept
    {
        SizeInBytes = resAllocInfo.SizeInBytes;
        Properties = properties;
        Alignment = resAllocInfo.Alignment;
        Flags = flags;
    }

    CD3DX12_HEAP_DESC(const D3D12_RESOURCE_ALLOCATION_INFO& resAllocInfo,
        D3D12_HEAP_TYPE type,
        D3D12_HEAP_FLAGS flags = D3D12_HEAP_FLAG_NONE)
    noexcept
    {
        SizeInBytes = resAllocInfo.SizeInBytes;
        Properties = CD3DX12_HEAP_PROPERTIES(type);
        Alignment = resAllocInfo.Alignment;
        Flags = flags;
    }

    CD3DX12_HEAP_DESC(const D3D12_RESOURCE_ALLOCATION_INFO& resAllocInfo,
        D3D12_CPU_PAGE_PROPERTY cpuPageProperty,
        D3D12_MEMORY_POOL memoryPoolPreference,
        D3D12_HEAP_FLAGS flags = D3D12_HEAP_FLAG_NONE)
    noexcept
    {
        SizeInBytes = resAllocInfo.SizeInBytes;
        Properties
            = CD3DX12_HEAP_PROPERTIES(cpuPageProperty, memoryPoolPreference);
        Alignment = resAllocInfo.Alignment;
        Flags = flags;
    }

    bool IsCPUAccessible() const noexcept
    {
        return static_cast<const CD3DX12_HEAP_PROPERTIES*>(&Properties)
            ->IsCPUAccessible();
    }
};

inline bool operator==(
    const D3D12_HEAP_DESC& l, const D3D12_HEAP_DESC& r) noexcept
{
    return l.SizeInBytes == r.SizeInBytes && l.Properties == r.Properties
        && l.Alignment == r.Alignment && l.Flags == r.Flags;
}

inline bool operator!=(
    const D3D12_HEAP_DESC& l, const D3D12_HEAP_DESC& r) noexcept
{
    return !(l == r);
}

//------------------------------------------------------------------------------------------------
struct CD3DX12_CLEAR_VALUE : public D3D12_CLEAR_VALUE
{
    CD3DX12_CLEAR_VALUE() = default;

    explicit CD3DX12_CLEAR_VALUE(const D3D12_CLEAR_VALUE& o) noexcept
        : D3D12_CLEAR_VALUE(o)
    {}

    CD3DX12_CLEAR_VALUE(DXGI_FORMAT format, const FLOAT color[4]) noexcept
    {
        Format = format;
        memcpy(Color, color, sizeof(Color));
    }

    CD3DX12_CLEAR_VALUE(DXGI_FORMAT format, FLOAT depth, UINT8 stencil) noexcept
    {
        Format = format;
        memset(&Color, 0, sizeof(Color));
        /* Use memcpy to preserve NAN values */
        memcpy(&DepthStencil.Depth, &depth, sizeof(depth));
        DepthStencil.Stencil = stencil;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_RANGE : public D3D12_RANGE
{
    CD3DX12_RANGE() = default;

    explicit CD3DX12_RANGE(const D3D12_RANGE& o) noexcept
        : D3D12_RANGE(o)
    {}

    CD3DX12_RANGE(SIZE_T begin, SIZE_T end) noexcept
    {
        Begin = begin;
        End = end;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_RANGE_UINT64 : public D3D12_RANGE_UINT64
{
    CD3DX12_RANGE_UINT64() = default;

    explicit CD3DX12_RANGE_UINT64(const D3D12_RANGE_UINT64& o) noexcept
        : D3D12_RANGE_UINT64(o)
    {}

    CD3DX12_RANGE_UINT64(UINT64 begin, UINT64 end) noexcept
    {
        Begin = begin;
        End = end;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_SUBRESOURCE_RANGE_UINT64 : public D3D12_SUBRESOURCE_RANGE_UINT64
{
    CD3DX12_SUBRESOURCE_RANGE_UINT64() = default;

    explicit CD3DX12_SUBRESOURCE_RANGE_UINT64(
        const D3D12_SUBRESOURCE_RANGE_UINT64& o) noexcept
        : D3D12_SUBRESOURCE_RANGE_UINT64(o)
    {}

    CD3DX12_SUBRESOURCE_RANGE_UINT64(
        UINT subresource, const D3D12_RANGE_UINT64& range)
    noexcept
    {
        Subresource = subresource;
        Range = range;
    }

    CD3DX12_SUBRESOURCE_RANGE_UINT64(UINT subresource, UINT64 begin, UINT64 end)
    noexcept
    {
        Subresource = subresource;
        Range.Begin = begin;
        Range.End = end;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_SHADER_BYTECODE : public D3D12_SHADER_BYTECODE
{
    CD3DX12_SHADER_BYTECODE() = default;

    explicit CD3DX12_SHADER_BYTECODE(const D3D12_SHADER_BYTECODE& o) noexcept
        : D3D12_SHADER_BYTECODE(o)
    {}

    CD3DX12_SHADER_BYTECODE(_In_ ID3DBlob* pShaderBlob) noexcept
    {
        pShaderBytecode = pShaderBlob->GetBufferPointer();
        BytecodeLength = pShaderBlob->GetBufferSize();
    }

    CD3DX12_SHADER_BYTECODE(const void* _pShaderBytecode, SIZE_T bytecodeLength)
    noexcept
    {
        pShaderBytecode = _pShaderBytecode;
        BytecodeLength = bytecodeLength;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_TILED_RESOURCE_COORDINATE
    : public D3D12_TILED_RESOURCE_COORDINATE
{
    CD3DX12_TILED_RESOURCE_COORDINATE() = default;

    explicit CD3DX12_TILED_RESOURCE_COORDINATE(
        const D3D12_TILED_RESOURCE_COORDINATE& o) noexcept
        : D3D12_TILED_RESOURCE_COORDINATE(o)
    {}

    CD3DX12_TILED_RESOURCE_COORDINATE(UINT x, UINT y, UINT z, UINT subresource)
    noexcept
    {
        X = x;
        Y = y;
        Z = z;
        Subresource = subresource;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_TILE_REGION_SIZE : public D3D12_TILE_REGION_SIZE
{
    CD3DX12_TILE_REGION_SIZE() = default;

    explicit CD3DX12_TILE_REGION_SIZE(const D3D12_TILE_REGION_SIZE& o) noexcept
        : D3D12_TILE_REGION_SIZE(o)
    {}

    CD3DX12_TILE_REGION_SIZE(
        UINT numTiles, BOOL useBox, UINT width, UINT16 height, UINT16 depth)
    noexcept
    {
        NumTiles = numTiles;
        UseBox = useBox;
        Width = width;
        Height = height;
        Depth = depth;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_SUBRESOURCE_TILING : public D3D12_SUBRESOURCE_TILING
{
    CD3DX12_SUBRESOURCE_TILING() = default;

    explicit CD3DX12_SUBRESOURCE_TILING(
        const D3D12_SUBRESOURCE_TILING& o) noexcept
        : D3D12_SUBRESOURCE_TILING(o)
    {}

    CD3DX12_SUBRESOURCE_TILING(UINT widthInTiles,
        UINT16 heightInTiles,
        UINT16 depthInTiles,
        UINT startTileIndexInOverallResource)
    noexcept
    {
        WidthInTiles = widthInTiles;
        HeightInTiles = heightInTiles;
        DepthInTiles = depthInTiles;
        StartTileIndexInOverallResource = startTileIndexInOverallResource;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_TILE_SHAPE : public D3D12_TILE_SHAPE
{
    CD3DX12_TILE_SHAPE() = default;

    explicit CD3DX12_TILE_SHAPE(const D3D12_TILE_SHAPE& o) noexcept
        : D3D12_TILE_SHAPE(o)
    {}

    CD3DX12_TILE_SHAPE(
        UINT widthInTexels, UINT heightInTexels, UINT depthInTexels)
    noexcept
    {
        WidthInTexels = widthInTexels;
        HeightInTexels = heightInTexels;
        DepthInTexels = depthInTexels;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_RESOURCE_BARRIER : public D3D12_RESOURCE_BARRIER
{
    CD3DX12_RESOURCE_BARRIER() = default;

    explicit CD3DX12_RESOURCE_BARRIER(const D3D12_RESOURCE_BARRIER& o) noexcept
        : D3D12_RESOURCE_BARRIER(o)
    {}

    inline static CD3DX12_RESOURCE_BARRIER Transition(
        _In_ ID3D12Resource* pResource,
        D3D12_RESOURCE_STATES stateBefore,
        D3D12_RESOURCE_STATES stateAfter,
        UINT subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES,
        D3D12_RESOURCE_BARRIER_FLAGS flags
        = D3D12_RESOURCE_BARRIER_FLAG_NONE) noexcept
    {
        CD3DX12_RESOURCE_BARRIER result = {};
        D3D12_RESOURCE_BARRIER& barrier = result;
        result.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
        result.Flags = flags;
        barrier.Transition.pResource = pResource;
        barrier.Transition.StateBefore = stateBefore;
        barrier.Transition.StateAfter = stateAfter;
        barrier.Transition.Subresource = subresource;
        return result;
    }

    inline static CD3DX12_RESOURCE_BARRIER Aliasing(
        _In_ ID3D12Resource* pResourceBefore,
        _In_ ID3D12Resource* pResourceAfter) noexcept
    {
        CD3DX12_RESOURCE_BARRIER result = {};
        D3D12_RESOURCE_BARRIER& barrier = result;
        result.Type = D3D12_RESOURCE_BARRIER_TYPE_ALIASING;
        barrier.Aliasing.pResourceBefore = pResourceBefore;
        barrier.Aliasing.pResourceAfter = pResourceAfter;
        return result;
    }

    inline static CD3DX12_RESOURCE_BARRIER UAV(
        _In_ ID3D12Resource* pResource) noexcept
    {
        CD3DX12_RESOURCE_BARRIER result = {};
        D3D12_RESOURCE_BARRIER& barrier = result;
        result.Type = D3D12_RESOURCE_BARRIER_TYPE_UAV;
        barrier.UAV.pResource = pResource;
        return result;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_PACKED_MIP_INFO : public D3D12_PACKED_MIP_INFO
{
    CD3DX12_PACKED_MIP_INFO() = default;

    explicit CD3DX12_PACKED_MIP_INFO(const D3D12_PACKED_MIP_INFO& o) noexcept
        : D3D12_PACKED_MIP_INFO(o)
    {}

    CD3DX12_PACKED_MIP_INFO(UINT8 numStandardMips,
        UINT8 numPackedMips,
        UINT numTilesForPackedMips,
        UINT startTileIndexInOverallResource)
    noexcept
    {
        NumStandardMips = numStandardMips;
        NumPackedMips = numPackedMips;
        NumTilesForPackedMips = numTilesForPackedMips;
        StartTileIndexInOverallResource = startTileIndexInOverallResource;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_SUBRESOURCE_FOOTPRINT : public D3D12_SUBRESOURCE_FOOTPRINT
{
    CD3DX12_SUBRESOURCE_FOOTPRINT() = default;

    explicit CD3DX12_SUBRESOURCE_FOOTPRINT(
        const D3D12_SUBRESOURCE_FOOTPRINT& o) noexcept
        : D3D12_SUBRESOURCE_FOOTPRINT(o)
    {}

    CD3DX12_SUBRESOURCE_FOOTPRINT(
        DXGI_FORMAT format, UINT width, UINT height, UINT depth, UINT rowPitch)
    noexcept
    {
        Format = format;
        Width = width;
        Height = height;
        Depth = depth;
        RowPitch = rowPitch;
    }

    explicit CD3DX12_SUBRESOURCE_FOOTPRINT(
        const D3D12_RESOURCE_DESC& resDesc, UINT rowPitch) noexcept
    {
        Format = resDesc.Format;
        Width = UINT(resDesc.Width);
        Height = resDesc.Height;
        Depth = (resDesc.Dimension == D3D12_RESOURCE_DIMENSION_TEXTURE3D
                     ? resDesc.DepthOrArraySize
                     : 1);
        RowPitch = rowPitch;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_TEXTURE_COPY_LOCATION : public D3D12_TEXTURE_COPY_LOCATION
{
    CD3DX12_TEXTURE_COPY_LOCATION() = default;

    explicit CD3DX12_TEXTURE_COPY_LOCATION(
        const D3D12_TEXTURE_COPY_LOCATION& o) noexcept
        : D3D12_TEXTURE_COPY_LOCATION(o)
    {}

    CD3DX12_TEXTURE_COPY_LOCATION(_In_ ID3D12Resource* pRes) noexcept
    {
        pResource = pRes;
        Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
        PlacedFootprint = {};
    }

    CD3DX12_TEXTURE_COPY_LOCATION(_In_ ID3D12Resource* pRes,
        D3D12_PLACED_SUBRESOURCE_FOOTPRINT const& Footprint)
    noexcept
    {
        pResource = pRes;
        Type = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT;
        PlacedFootprint = Footprint;
    }

    CD3DX12_TEXTURE_COPY_LOCATION(_In_ ID3D12Resource* pRes, UINT Sub) noexcept
    {
        pResource = pRes;
        Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
        PlacedFootprint = {};
        SubresourceIndex = Sub;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_DESCRIPTOR_RANGE : public D3D12_DESCRIPTOR_RANGE
{
    CD3DX12_DESCRIPTOR_RANGE() = default;

    explicit CD3DX12_DESCRIPTOR_RANGE(const D3D12_DESCRIPTOR_RANGE& o) noexcept
        : D3D12_DESCRIPTOR_RANGE(o)
    {}

    CD3DX12_DESCRIPTOR_RANGE(D3D12_DESCRIPTOR_RANGE_TYPE rangeType,
        UINT numDescriptors,
        UINT baseShaderRegister,
        UINT registerSpace = 0,
        UINT offsetInDescriptorsFromTableStart
        = D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND)
    noexcept
    {
        Init(rangeType,
            numDescriptors,
            baseShaderRegister,
            registerSpace,
            offsetInDescriptorsFromTableStart);
    }

    inline void Init(D3D12_DESCRIPTOR_RANGE_TYPE rangeType,
        UINT numDescriptors,
        UINT baseShaderRegister,
        UINT registerSpace = 0,
        UINT offsetInDescriptorsFromTableStart
        = D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND) noexcept
    {
        Init(*this,
            rangeType,
            numDescriptors,
            baseShaderRegister,
            registerSpace,
            offsetInDescriptorsFromTableStart);
    }

    inline static void Init(_Out_ D3D12_DESCRIPTOR_RANGE& range,
        D3D12_DESCRIPTOR_RANGE_TYPE rangeType,
        UINT numDescriptors,
        UINT baseShaderRegister,
        UINT registerSpace = 0,
        UINT offsetInDescriptorsFromTableStart
        = D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND) noexcept
    {
        range.RangeType = rangeType;
        range.NumDescriptors = numDescriptors;
        range.BaseShaderRegister = baseShaderRegister;
        range.RegisterSpace = registerSpace;
        range.OffsetInDescriptorsFromTableStart
            = offsetInDescriptorsFromTableStart;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_ROOT_DESCRIPTOR_TABLE : public D3D12_ROOT_DESCRIPTOR_TABLE
{
    CD3DX12_ROOT_DESCRIPTOR_TABLE() = default;

    explicit CD3DX12_ROOT_DESCRIPTOR_TABLE(
        const D3D12_ROOT_DESCRIPTOR_TABLE& o) noexcept
        : D3D12_ROOT_DESCRIPTOR_TABLE(o)
    {}

    CD3DX12_ROOT_DESCRIPTOR_TABLE(UINT numDescriptorRanges,
        _In_reads_opt_(numDescriptorRanges)
            const D3D12_DESCRIPTOR_RANGE* _pDescriptorRanges)
    noexcept
    {
        Init(numDescriptorRanges, _pDescriptorRanges);
    }

    inline void Init(UINT numDescriptorRanges,
        _In_reads_opt_(numDescriptorRanges)
            const D3D12_DESCRIPTOR_RANGE* _pDescriptorRanges) noexcept
    {
        Init(*this, numDescriptorRanges, _pDescriptorRanges);
    }

    inline static void Init(
        _Out_ D3D12_ROOT_DESCRIPTOR_TABLE& rootDescriptorTable,
        UINT numDescriptorRanges,
        _In_reads_opt_(numDescriptorRanges)
            const D3D12_DESCRIPTOR_RANGE* _pDescriptorRanges) noexcept
    {
        rootDescriptorTable.NumDescriptorRanges = numDescriptorRanges;
        rootDescriptorTable.pDescriptorRanges = _pDescriptorRanges;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_ROOT_CONSTANTS : public D3D12_ROOT_CONSTANTS
{
    CD3DX12_ROOT_CONSTANTS() = default;

    explicit CD3DX12_ROOT_CONSTANTS(const D3D12_ROOT_CONSTANTS& o) noexcept
        : D3D12_ROOT_CONSTANTS(o)
    {}

    CD3DX12_ROOT_CONSTANTS(
        UINT num32BitValues, UINT shaderRegister, UINT registerSpace = 0)
    noexcept
    {
        Init(num32BitValues, shaderRegister, registerSpace);
    }

    inline void Init(UINT num32BitValues,
        UINT shaderRegister,
        UINT registerSpace = 0) noexcept
    {
        Init(*this, num32BitValues, shaderRegister, registerSpace);
    }

    inline static void Init(_Out_ D3D12_ROOT_CONSTANTS& rootConstants,
        UINT num32BitValues,
        UINT shaderRegister,
        UINT registerSpace = 0) noexcept
    {
        rootConstants.Num32BitValues = num32BitValues;
        rootConstants.ShaderRegister = shaderRegister;
        rootConstants.RegisterSpace = registerSpace;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_ROOT_DESCRIPTOR : public D3D12_ROOT_DESCRIPTOR
{
    CD3DX12_ROOT_DESCRIPTOR() = default;

    explicit CD3DX12_ROOT_DESCRIPTOR(const D3D12_ROOT_DESCRIPTOR& o) noexcept
        : D3D12_ROOT_DESCRIPTOR(o)
    {}

    CD3DX12_ROOT_DESCRIPTOR(UINT shaderRegister, UINT registerSpace = 0)
    noexcept
    {
        Init(shaderRegister, registerSpace);
    }

    inline void Init(UINT shaderRegister, UINT registerSpace = 0) noexcept
    {
        Init(*this, shaderRegister, registerSpace);
    }

    inline static void Init(_Out_ D3D12_ROOT_DESCRIPTOR& table,
        UINT shaderRegister,
        UINT registerSpace = 0) noexcept
    {
        table.ShaderRegister = shaderRegister;
        table.RegisterSpace = registerSpace;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_ROOT_PARAMETER : public D3D12_ROOT_PARAMETER
{
    CD3DX12_ROOT_PARAMETER() = default;

    explicit CD3DX12_ROOT_PARAMETER(const D3D12_ROOT_PARAMETER& o) noexcept
        : D3D12_ROOT_PARAMETER(o)
    {}

    inline static void InitAsDescriptorTable(
        _Out_ D3D12_ROOT_PARAMETER& rootParam,
        UINT numDescriptorRanges,
        _In_reads_(numDescriptorRanges)
            const D3D12_DESCRIPTOR_RANGE* pDescriptorRanges,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
        rootParam.ShaderVisibility = visibility;
        CD3DX12_ROOT_DESCRIPTOR_TABLE::Init(
            rootParam.DescriptorTable, numDescriptorRanges, pDescriptorRanges);
    }

    inline static void InitAsConstants(_Out_ D3D12_ROOT_PARAMETER& rootParam,
        UINT num32BitValues,
        UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS;
        rootParam.ShaderVisibility = visibility;
        CD3DX12_ROOT_CONSTANTS::Init(
            rootParam.Constants, num32BitValues, shaderRegister, registerSpace);
    }

    inline static void InitAsConstantBufferView(
        _Out_ D3D12_ROOT_PARAMETER& rootParam,
        UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_CBV;
        rootParam.ShaderVisibility = visibility;
        CD3DX12_ROOT_DESCRIPTOR::Init(
            rootParam.Descriptor, shaderRegister, registerSpace);
    }

    inline static void InitAsShaderResourceView(
        _Out_ D3D12_ROOT_PARAMETER& rootParam,
        UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_SRV;
        rootParam.ShaderVisibility = visibility;
        CD3DX12_ROOT_DESCRIPTOR::Init(
            rootParam.Descriptor, shaderRegister, registerSpace);
    }

    inline static void InitAsUnorderedAccessView(
        _Out_ D3D12_ROOT_PARAMETER& rootParam,
        UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_UAV;
        rootParam.ShaderVisibility = visibility;
        CD3DX12_ROOT_DESCRIPTOR::Init(
            rootParam.Descriptor, shaderRegister, registerSpace);
    }

    inline void InitAsDescriptorTable(UINT numDescriptorRanges,
        _In_reads_(numDescriptorRanges)
            const D3D12_DESCRIPTOR_RANGE* pDescriptorRanges,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        InitAsDescriptorTable(
            *this, numDescriptorRanges, pDescriptorRanges, visibility);
    }

    inline void InitAsConstants(UINT num32BitValues,
        UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        InitAsConstants(
            *this, num32BitValues, shaderRegister, registerSpace, visibility);
    }

    inline void InitAsConstantBufferView(UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        InitAsConstantBufferView(
            *this, shaderRegister, registerSpace, visibility);
    }

    inline void InitAsShaderResourceView(UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        InitAsShaderResourceView(
            *this, shaderRegister, registerSpace, visibility);
    }

    inline void InitAsUnorderedAccessView(UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        InitAsUnorderedAccessView(
            *this, shaderRegister, registerSpace, visibility);
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_STATIC_SAMPLER_DESC : public D3D12_STATIC_SAMPLER_DESC
{
    CD3DX12_STATIC_SAMPLER_DESC() = default;

    explicit CD3DX12_STATIC_SAMPLER_DESC(
        const D3D12_STATIC_SAMPLER_DESC& o) noexcept
        : D3D12_STATIC_SAMPLER_DESC(o)
    {}

    CD3DX12_STATIC_SAMPLER_DESC(UINT shaderRegister,
        D3D12_FILTER filter = D3D12_FILTER_ANISOTROPIC,
        D3D12_TEXTURE_ADDRESS_MODE addressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
        D3D12_TEXTURE_ADDRESS_MODE addressV = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
        D3D12_TEXTURE_ADDRESS_MODE addressW = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
        FLOAT mipLODBias = 0,
        UINT maxAnisotropy = 16,
        D3D12_COMPARISON_FUNC comparisonFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL,
        D3D12_STATIC_BORDER_COLOR borderColor
        = D3D12_STATIC_BORDER_COLOR_OPAQUE_WHITE,
        FLOAT minLOD = 0.f,
        FLOAT maxLOD = D3D12_FLOAT32_MAX,
        D3D12_SHADER_VISIBILITY shaderVisibility = D3D12_SHADER_VISIBILITY_ALL,
        UINT registerSpace = 0)
    noexcept
    {
        Init(shaderRegister,
            filter,
            addressU,
            addressV,
            addressW,
            mipLODBias,
            maxAnisotropy,
            comparisonFunc,
            borderColor,
            minLOD,
            maxLOD,
            shaderVisibility,
            registerSpace);
    }

    inline static void Init(_Out_ D3D12_STATIC_SAMPLER_DESC& samplerDesc,
        UINT shaderRegister,
        D3D12_FILTER filter = D3D12_FILTER_ANISOTROPIC,
        D3D12_TEXTURE_ADDRESS_MODE addressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
        D3D12_TEXTURE_ADDRESS_MODE addressV = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
        D3D12_TEXTURE_ADDRESS_MODE addressW = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
        FLOAT mipLODBias = 0,
        UINT maxAnisotropy = 16,
        D3D12_COMPARISON_FUNC comparisonFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL,
        D3D12_STATIC_BORDER_COLOR borderColor
        = D3D12_STATIC_BORDER_COLOR_OPAQUE_WHITE,
        FLOAT minLOD = 0.f,
        FLOAT maxLOD = D3D12_FLOAT32_MAX,
        D3D12_SHADER_VISIBILITY shaderVisibility = D3D12_SHADER_VISIBILITY_ALL,
        UINT registerSpace = 0) noexcept
    {
        samplerDesc.ShaderRegister = shaderRegister;
        samplerDesc.Filter = filter;
        samplerDesc.AddressU = addressU;
        samplerDesc.AddressV = addressV;
        samplerDesc.AddressW = addressW;
        samplerDesc.MipLODBias = mipLODBias;
        samplerDesc.MaxAnisotropy = maxAnisotropy;
        samplerDesc.ComparisonFunc = comparisonFunc;
        samplerDesc.BorderColor = borderColor;
        samplerDesc.MinLOD = minLOD;
        samplerDesc.MaxLOD = maxLOD;
        samplerDesc.ShaderVisibility = shaderVisibility;
        samplerDesc.RegisterSpace = registerSpace;
    }

    inline void Init(UINT shaderRegister,
        D3D12_FILTER filter = D3D12_FILTER_ANISOTROPIC,
        D3D12_TEXTURE_ADDRESS_MODE addressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
        D3D12_TEXTURE_ADDRESS_MODE addressV = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
        D3D12_TEXTURE_ADDRESS_MODE addressW = D3D12_TEXTURE_ADDRESS_MODE_WRAP,
        FLOAT mipLODBias = 0,
        UINT maxAnisotropy = 16,
        D3D12_COMPARISON_FUNC comparisonFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL,
        D3D12_STATIC_BORDER_COLOR borderColor
        = D3D12_STATIC_BORDER_COLOR_OPAQUE_WHITE,
        FLOAT minLOD = 0.f,
        FLOAT maxLOD = D3D12_FLOAT32_MAX,
        D3D12_SHADER_VISIBILITY shaderVisibility = D3D12_SHADER_VISIBILITY_ALL,
        UINT registerSpace = 0) noexcept
    {
        Init(*this,
            shaderRegister,
            filter,
            addressU,
            addressV,
            addressW,
            mipLODBias,
            maxAnisotropy,
            comparisonFunc,
            borderColor,
            minLOD,
            maxLOD,
            shaderVisibility,
            registerSpace);
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_ROOT_SIGNATURE_DESC : public D3D12_ROOT_SIGNATURE_DESC
{
    CD3DX12_ROOT_SIGNATURE_DESC() = default;

    explicit CD3DX12_ROOT_SIGNATURE_DESC(
        const D3D12_ROOT_SIGNATURE_DESC& o) noexcept
        : D3D12_ROOT_SIGNATURE_DESC(o)
    {}

    CD3DX12_ROOT_SIGNATURE_DESC(UINT numParameters,
        _In_reads_opt_(numParameters) const D3D12_ROOT_PARAMETER* _pParameters,
        UINT numStaticSamplers = 0,
        _In_reads_opt_(numStaticSamplers)
            const D3D12_STATIC_SAMPLER_DESC* _pStaticSamplers
        = nullptr,
        D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
    noexcept
    {
        Init(numParameters,
            _pParameters,
            numStaticSamplers,
            _pStaticSamplers,
            flags);
    }

    CD3DX12_ROOT_SIGNATURE_DESC(CD3DX12_DEFAULT) noexcept
    {
        Init(0, nullptr, 0, nullptr, D3D12_ROOT_SIGNATURE_FLAG_NONE);
    }

    inline void Init(UINT numParameters,
        _In_reads_opt_(numParameters) const D3D12_ROOT_PARAMETER* _pParameters,
        UINT numStaticSamplers = 0,
        _In_reads_opt_(numStaticSamplers)
            const D3D12_STATIC_SAMPLER_DESC* _pStaticSamplers
        = nullptr,
        D3D12_ROOT_SIGNATURE_FLAGS flags
        = D3D12_ROOT_SIGNATURE_FLAG_NONE) noexcept
    {
        Init(*this,
            numParameters,
            _pParameters,
            numStaticSamplers,
            _pStaticSamplers,
            flags);
    }

    inline static void Init(_Out_ D3D12_ROOT_SIGNATURE_DESC& desc,
        UINT numParameters,
        _In_reads_opt_(numParameters) const D3D12_ROOT_PARAMETER* _pParameters,
        UINT numStaticSamplers = 0,
        _In_reads_opt_(numStaticSamplers)
            const D3D12_STATIC_SAMPLER_DESC* _pStaticSamplers
        = nullptr,
        D3D12_ROOT_SIGNATURE_FLAGS flags
        = D3D12_ROOT_SIGNATURE_FLAG_NONE) noexcept
    {
        desc.NumParameters = numParameters;
        desc.pParameters = _pParameters;
        desc.NumStaticSamplers = numStaticSamplers;
        desc.pStaticSamplers = _pStaticSamplers;
        desc.Flags = flags;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_DESCRIPTOR_RANGE1 : public D3D12_DESCRIPTOR_RANGE1
{
    CD3DX12_DESCRIPTOR_RANGE1() = default;

    explicit CD3DX12_DESCRIPTOR_RANGE1(
        const D3D12_DESCRIPTOR_RANGE1& o) noexcept
        : D3D12_DESCRIPTOR_RANGE1(o)
    {}

    CD3DX12_DESCRIPTOR_RANGE1(D3D12_DESCRIPTOR_RANGE_TYPE rangeType,
        UINT numDescriptors,
        UINT baseShaderRegister,
        UINT registerSpace = 0,
        D3D12_DESCRIPTOR_RANGE_FLAGS flags = D3D12_DESCRIPTOR_RANGE_FLAG_NONE,
        UINT offsetInDescriptorsFromTableStart
        = D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND)
    noexcept
    {
        Init(rangeType,
            numDescriptors,
            baseShaderRegister,
            registerSpace,
            flags,
            offsetInDescriptorsFromTableStart);
    }

    inline void Init(D3D12_DESCRIPTOR_RANGE_TYPE rangeType,
        UINT numDescriptors,
        UINT baseShaderRegister,
        UINT registerSpace = 0,
        D3D12_DESCRIPTOR_RANGE_FLAGS flags = D3D12_DESCRIPTOR_RANGE_FLAG_NONE,
        UINT offsetInDescriptorsFromTableStart
        = D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND) noexcept
    {
        Init(*this,
            rangeType,
            numDescriptors,
            baseShaderRegister,
            registerSpace,
            flags,
            offsetInDescriptorsFromTableStart);
    }

    inline static void Init(_Out_ D3D12_DESCRIPTOR_RANGE1& range,
        D3D12_DESCRIPTOR_RANGE_TYPE rangeType,
        UINT numDescriptors,
        UINT baseShaderRegister,
        UINT registerSpace = 0,
        D3D12_DESCRIPTOR_RANGE_FLAGS flags = D3D12_DESCRIPTOR_RANGE_FLAG_NONE,
        UINT offsetInDescriptorsFromTableStart
        = D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND) noexcept
    {
        range.RangeType = rangeType;
        range.NumDescriptors = numDescriptors;
        range.BaseShaderRegister = baseShaderRegister;
        range.RegisterSpace = registerSpace;
        range.Flags = flags;
        range.OffsetInDescriptorsFromTableStart
            = offsetInDescriptorsFromTableStart;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_ROOT_DESCRIPTOR_TABLE1 : public D3D12_ROOT_DESCRIPTOR_TABLE1
{
    CD3DX12_ROOT_DESCRIPTOR_TABLE1() = default;

    explicit CD3DX12_ROOT_DESCRIPTOR_TABLE1(
        const D3D12_ROOT_DESCRIPTOR_TABLE1& o) noexcept
        : D3D12_ROOT_DESCRIPTOR_TABLE1(o)
    {}

    CD3DX12_ROOT_DESCRIPTOR_TABLE1(UINT numDescriptorRanges,
        _In_reads_opt_(numDescriptorRanges)
            const D3D12_DESCRIPTOR_RANGE1* _pDescriptorRanges)
    noexcept
    {
        Init(numDescriptorRanges, _pDescriptorRanges);
    }

    inline void Init(UINT numDescriptorRanges,
        _In_reads_opt_(numDescriptorRanges)
            const D3D12_DESCRIPTOR_RANGE1* _pDescriptorRanges) noexcept
    {
        Init(*this, numDescriptorRanges, _pDescriptorRanges);
    }

    inline static void Init(
        _Out_ D3D12_ROOT_DESCRIPTOR_TABLE1& rootDescriptorTable,
        UINT numDescriptorRanges,
        _In_reads_opt_(numDescriptorRanges)
            const D3D12_DESCRIPTOR_RANGE1* _pDescriptorRanges) noexcept
    {
        rootDescriptorTable.NumDescriptorRanges = numDescriptorRanges;
        rootDescriptorTable.pDescriptorRanges = _pDescriptorRanges;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_ROOT_DESCRIPTOR1 : public D3D12_ROOT_DESCRIPTOR1
{
    CD3DX12_ROOT_DESCRIPTOR1() = default;

    explicit CD3DX12_ROOT_DESCRIPTOR1(const D3D12_ROOT_DESCRIPTOR1& o) noexcept
        : D3D12_ROOT_DESCRIPTOR1(o)
    {}

    CD3DX12_ROOT_DESCRIPTOR1(UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_ROOT_DESCRIPTOR_FLAGS flags = D3D12_ROOT_DESCRIPTOR_FLAG_NONE)
    noexcept
    {
        Init(shaderRegister, registerSpace, flags);
    }

    inline void Init(UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_ROOT_DESCRIPTOR_FLAGS flags
        = D3D12_ROOT_DESCRIPTOR_FLAG_NONE) noexcept
    {
        Init(*this, shaderRegister, registerSpace, flags);
    }

    inline static void Init(_Out_ D3D12_ROOT_DESCRIPTOR1& table,
        UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_ROOT_DESCRIPTOR_FLAGS flags
        = D3D12_ROOT_DESCRIPTOR_FLAG_NONE) noexcept
    {
        table.ShaderRegister = shaderRegister;
        table.RegisterSpace = registerSpace;
        table.Flags = flags;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_ROOT_PARAMETER1 : public D3D12_ROOT_PARAMETER1
{
    CD3DX12_ROOT_PARAMETER1() = default;

    explicit CD3DX12_ROOT_PARAMETER1(const D3D12_ROOT_PARAMETER1& o) noexcept
        : D3D12_ROOT_PARAMETER1(o)
    {}

    inline static void InitAsDescriptorTable(
        _Out_ D3D12_ROOT_PARAMETER1& rootParam,
        UINT numDescriptorRanges,
        _In_reads_(numDescriptorRanges)
            const D3D12_DESCRIPTOR_RANGE1* pDescriptorRanges,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
        rootParam.ShaderVisibility = visibility;
        CD3DX12_ROOT_DESCRIPTOR_TABLE1::Init(
            rootParam.DescriptorTable, numDescriptorRanges, pDescriptorRanges);
    }

    inline static void InitAsConstants(_Out_ D3D12_ROOT_PARAMETER1& rootParam,
        UINT num32BitValues,
        UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS;
        rootParam.ShaderVisibility = visibility;
        CD3DX12_ROOT_CONSTANTS::Init(
            rootParam.Constants, num32BitValues, shaderRegister, registerSpace);
    }

    inline static void InitAsConstantBufferView(
        _Out_ D3D12_ROOT_PARAMETER1& rootParam,
        UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_ROOT_DESCRIPTOR_FLAGS flags = D3D12_ROOT_DESCRIPTOR_FLAG_NONE,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_CBV;
        rootParam.ShaderVisibility = visibility;
        CD3DX12_ROOT_DESCRIPTOR1::Init(
            rootParam.Descriptor, shaderRegister, registerSpace, flags);
    }

    inline static void InitAsShaderResourceView(
        _Out_ D3D12_ROOT_PARAMETER1& rootParam,
        UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_ROOT_DESCRIPTOR_FLAGS flags = D3D12_ROOT_DESCRIPTOR_FLAG_NONE,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_SRV;
        rootParam.ShaderVisibility = visibility;
        CD3DX12_ROOT_DESCRIPTOR1::Init(
            rootParam.Descriptor, shaderRegister, registerSpace, flags);
    }

    inline static void InitAsUnorderedAccessView(
        _Out_ D3D12_ROOT_PARAMETER1& rootParam,
        UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_ROOT_DESCRIPTOR_FLAGS flags = D3D12_ROOT_DESCRIPTOR_FLAG_NONE,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_UAV;
        rootParam.ShaderVisibility = visibility;
        CD3DX12_ROOT_DESCRIPTOR1::Init(
            rootParam.Descriptor, shaderRegister, registerSpace, flags);
    }

    inline void InitAsDescriptorTable(UINT numDescriptorRanges,
        _In_reads_(numDescriptorRanges)
            const D3D12_DESCRIPTOR_RANGE1* pDescriptorRanges,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        InitAsDescriptorTable(
            *this, numDescriptorRanges, pDescriptorRanges, visibility);
    }

    inline void InitAsConstants(UINT num32BitValues,
        UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        InitAsConstants(
            *this, num32BitValues, shaderRegister, registerSpace, visibility);
    }

    inline void InitAsConstantBufferView(UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_ROOT_DESCRIPTOR_FLAGS flags = D3D12_ROOT_DESCRIPTOR_FLAG_NONE,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        InitAsConstantBufferView(
            *this, shaderRegister, registerSpace, flags, visibility);
    }

    inline void InitAsShaderResourceView(UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_ROOT_DESCRIPTOR_FLAGS flags = D3D12_ROOT_DESCRIPTOR_FLAG_NONE,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        InitAsShaderResourceView(
            *this, shaderRegister, registerSpace, flags, visibility);
    }

    inline void InitAsUnorderedAccessView(UINT shaderRegister,
        UINT registerSpace = 0,
        D3D12_ROOT_DESCRIPTOR_FLAGS flags = D3D12_ROOT_DESCRIPTOR_FLAG_NONE,
        D3D12_SHADER_VISIBILITY visibility
        = D3D12_SHADER_VISIBILITY_ALL) noexcept
    {
        InitAsUnorderedAccessView(
            *this, shaderRegister, registerSpace, flags, visibility);
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC
    : public D3D12_VERSIONED_ROOT_SIGNATURE_DESC
{
    CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC() = default;

    explicit CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC(
        const D3D12_VERSIONED_ROOT_SIGNATURE_DESC& o) noexcept
        : D3D12_VERSIONED_ROOT_SIGNATURE_DESC(o)
    {}

    explicit CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC(
        const D3D12_ROOT_SIGNATURE_DESC& o) noexcept
    {
        Version = D3D_ROOT_SIGNATURE_VERSION_1_0;
        Desc_1_0 = o;
    }

    explicit CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC(
        const D3D12_ROOT_SIGNATURE_DESC1& o) noexcept
    {
        Version = D3D_ROOT_SIGNATURE_VERSION_1_1;
        Desc_1_1 = o;
    }

    CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC(UINT numParameters,
        _In_reads_opt_(numParameters) const D3D12_ROOT_PARAMETER* _pParameters,
        UINT numStaticSamplers = 0,
        _In_reads_opt_(numStaticSamplers)
            const D3D12_STATIC_SAMPLER_DESC* _pStaticSamplers
        = nullptr,
        D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
    noexcept
    {
        Init_1_0(numParameters,
            _pParameters,
            numStaticSamplers,
            _pStaticSamplers,
            flags);
    }

    CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC(UINT numParameters,
        _In_reads_opt_(numParameters) const D3D12_ROOT_PARAMETER1* _pParameters,
        UINT numStaticSamplers = 0,
        _In_reads_opt_(numStaticSamplers)
            const D3D12_STATIC_SAMPLER_DESC* _pStaticSamplers
        = nullptr,
        D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
    noexcept
    {
        Init_1_1(numParameters,
            _pParameters,
            numStaticSamplers,
            _pStaticSamplers,
            flags);
    }

    CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC(CD3DX12_DEFAULT) noexcept
    {
        Init_1_1(0, nullptr, 0, nullptr, D3D12_ROOT_SIGNATURE_FLAG_NONE);
    }

    inline void Init_1_0(UINT numParameters,
        _In_reads_opt_(numParameters) const D3D12_ROOT_PARAMETER* _pParameters,
        UINT numStaticSamplers = 0,
        _In_reads_opt_(numStaticSamplers)
            const D3D12_STATIC_SAMPLER_DESC* _pStaticSamplers
        = nullptr,
        D3D12_ROOT_SIGNATURE_FLAGS flags
        = D3D12_ROOT_SIGNATURE_FLAG_NONE) noexcept
    {
        Init_1_0(*this,
            numParameters,
            _pParameters,
            numStaticSamplers,
            _pStaticSamplers,
            flags);
    }

    inline static void Init_1_0(_Out_ D3D12_VERSIONED_ROOT_SIGNATURE_DESC& desc,
        UINT numParameters,
        _In_reads_opt_(numParameters) const D3D12_ROOT_PARAMETER* _pParameters,
        UINT numStaticSamplers = 0,
        _In_reads_opt_(numStaticSamplers)
            const D3D12_STATIC_SAMPLER_DESC* _pStaticSamplers
        = nullptr,
        D3D12_ROOT_SIGNATURE_FLAGS flags
        = D3D12_ROOT_SIGNATURE_FLAG_NONE) noexcept
    {
        desc.Version = D3D_ROOT_SIGNATURE_VERSION_1_0;
        desc.Desc_1_0.NumParameters = numParameters;
        desc.Desc_1_0.pParameters = _pParameters;
        desc.Desc_1_0.NumStaticSamplers = numStaticSamplers;
        desc.Desc_1_0.pStaticSamplers = _pStaticSamplers;
        desc.Desc_1_0.Flags = flags;
    }

    inline void Init_1_1(UINT numParameters,
        _In_reads_opt_(numParameters) const D3D12_ROOT_PARAMETER1* _pParameters,
        UINT numStaticSamplers = 0,
        _In_reads_opt_(numStaticSamplers)
            const D3D12_STATIC_SAMPLER_DESC* _pStaticSamplers
        = nullptr,
        D3D12_ROOT_SIGNATURE_FLAGS flags
        = D3D12_ROOT_SIGNATURE_FLAG_NONE) noexcept
    {
        Init_1_1(*this,
            numParameters,
            _pParameters,
            numStaticSamplers,
            _pStaticSamplers,
            flags);
    }

    inline static void Init_1_1(_Out_ D3D12_VERSIONED_ROOT_SIGNATURE_DESC& desc,
        UINT numParameters,
        _In_reads_opt_(numParameters) const D3D12_ROOT_PARAMETER1* _pParameters,
        UINT numStaticSamplers = 0,
        _In_reads_opt_(numStaticSamplers)
            const D3D12_STATIC_SAMPLER_DESC* _pStaticSamplers
        = nullptr,
        D3D12_ROOT_SIGNATURE_FLAGS flags
        = D3D12_ROOT_SIGNATURE_FLAG_NONE) noexcept
    {
        desc.Version = D3D_ROOT_SIGNATURE_VERSION_1_1;
        desc.Desc_1_1.NumParameters = numParameters;
        desc.Desc_1_1.pParameters = _pParameters;
        desc.Desc_1_1.NumStaticSamplers = numStaticSamplers;
        desc.Desc_1_1.pStaticSamplers = _pStaticSamplers;
        desc.Desc_1_1.Flags = flags;
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_CPU_DESCRIPTOR_HANDLE : public D3D12_CPU_DESCRIPTOR_HANDLE
{
    CD3DX12_CPU_DESCRIPTOR_HANDLE() = default;

    explicit CD3DX12_CPU_DESCRIPTOR_HANDLE(
        const D3D12_CPU_DESCRIPTOR_HANDLE& o) noexcept
        : D3D12_CPU_DESCRIPTOR_HANDLE(o)
    {}

    CD3DX12_CPU_DESCRIPTOR_HANDLE(CD3DX12_DEFAULT) noexcept
    {
        ptr = 0;
    }

    CD3DX12_CPU_DESCRIPTOR_HANDLE(const _In_ D3D12_CPU_DESCRIPTOR_HANDLE& other,
        INT offsetScaledByIncrementSize)
    noexcept
    {
        InitOffsetted(other, offsetScaledByIncrementSize);
    }

    CD3DX12_CPU_DESCRIPTOR_HANDLE(const _In_ D3D12_CPU_DESCRIPTOR_HANDLE& other,
        INT offsetInDescriptors,
        UINT descriptorIncrementSize)
    noexcept
    {
        InitOffsetted(other, offsetInDescriptors, descriptorIncrementSize);
    }

    CD3DX12_CPU_DESCRIPTOR_HANDLE& Offset(
        INT offsetInDescriptors, UINT descriptorIncrementSize) noexcept
    {
        ptr = SIZE_T(
            INT64(ptr)
            + INT64(offsetInDescriptors) * INT64(descriptorIncrementSize));
        return *this;
    }

    CD3DX12_CPU_DESCRIPTOR_HANDLE& Offset(
        INT offsetScaledByIncrementSize) noexcept
    {
        ptr = SIZE_T(INT64(ptr) + INT64(offsetScaledByIncrementSize));
        return *this;
    }

    bool operator==(
        const _In_ D3D12_CPU_DESCRIPTOR_HANDLE& other) const noexcept
    {
        return (ptr == other.ptr);
    }

    bool operator!=(
        const _In_ D3D12_CPU_DESCRIPTOR_HANDLE& other) const noexcept
    {
        return (ptr != other.ptr);
    }

    CD3DX12_CPU_DESCRIPTOR_HANDLE& operator=(
        const D3D12_CPU_DESCRIPTOR_HANDLE& other) noexcept
    {
        ptr = other.ptr;
        return *this;
    }

    inline void InitOffsetted(const _In_ D3D12_CPU_DESCRIPTOR_HANDLE& base,
        INT offsetScaledByIncrementSize) noexcept
    {
        InitOffsetted(*this, base, offsetScaledByIncrementSize);
    }

    inline void InitOffsetted(const _In_ D3D12_CPU_DESCRIPTOR_HANDLE& base,
        INT offsetInDescriptors,
        UINT descriptorIncrementSize) noexcept
    {
        InitOffsetted(
            *this, base, offsetInDescriptors, descriptorIncrementSize);
    }

    inline static void InitOffsetted(_Out_ D3D12_CPU_DESCRIPTOR_HANDLE& handle,
        const _In_ D3D12_CPU_DESCRIPTOR_HANDLE& base,
        INT offsetScaledByIncrementSize) noexcept
    {
        handle.ptr
            = SIZE_T(INT64(base.ptr) + INT64(offsetScaledByIncrementSize));
    }

    inline static void InitOffsetted(_Out_ D3D12_CPU_DESCRIPTOR_HANDLE& handle,
        const _In_ D3D12_CPU_DESCRIPTOR_HANDLE& base,
        INT offsetInDescriptors,
        UINT descriptorIncrementSize) noexcept
    {
        handle.ptr = SIZE_T(
            INT64(base.ptr)
            + INT64(offsetInDescriptors) * INT64(descriptorIncrementSize));
    }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_GPU_DESCRIPTOR_HANDLE : public D3D12_GPU_DESCRIPTOR_HANDLE
{
    CD3DX12_GPU_DESCRIPTOR_HANDLE() = default;

    explicit CD3DX12_GPU_DESCRIPTOR_HANDLE(
        const D3D12_GPU_DESCRIPTOR_HANDLE& o) noexcept
        : D3D12_GPU_DESCRIPTOR_HANDLE(o)
    {}

    CD3DX12_GPU_DESCRIPTOR_HANDLE(CD3DX12_DEFAULT) noexcept
    {
        ptr = 0;
    }

    CD3DX12_GPU_DESCRIPTOR_HANDLE(const _In_ D3D12_GPU_DESCRIPTOR_HANDLE& other,
        INT offsetScaledByIncrementSize)
    noexcept
    {
        InitOffsetted(other, offsetScaledByIncrementSize);
    }

    CD3DX12_GPU_DESCRIPTOR_HANDLE(const _In_ D3D12_GPU_DESCRIPTOR_HANDLE& other,
        INT offsetInDescriptors,
        UINT descriptorIncrementSize)
    noexcept
    {
        InitOffsetted(other, offsetInDescriptors, descriptorIncrementSize);
    }

    CD3DX12_GPU_DESCRIPTOR_HANDLE& Offset(
        INT offsetInDescriptors, UINT descriptorIncrementSize) noexcept
    {
        ptr = UINT64(
            INT64(ptr)
            + INT64(offsetInDescriptors) * INT64(descriptorIncrementSize));
        return *this;
    }

    CD3DX12_GPU_DESCRIPTOR_HANDLE& Offset(
        INT offsetScaledByIncrementSize) noexcept
    {
        ptr = UINT64(INT64(ptr) + INT64(offsetScaledByIncrementSize));
        return *this;
    }

    inline bool operator==(
        const _In_ D3D12_GPU_DESCRIPTOR_HANDLE& other) const noexcept
    {
        return (ptr == other.ptr);
    }

    inline bool operator!=(
        const _In_ D3D12_GPU_DESCRIPTOR_HANDLE& other) const noexcept
    {
        return (ptr != other.ptr);
    }

    CD3DX12_GPU_DESCRIPTOR_HANDLE& operator=(
        const D3D12_GPU_DESCRIPTOR_HANDLE& other) noexcept
    {
        ptr = other.ptr;
        return *this;
    }

    inline void InitOffsetted(const _In_ D3D12_GPU_DESCRIPTOR_HANDLE& base,
        INT offsetScaledByIncrementSize) noexcept
    {
        InitOffsetted(*this, base, offsetScaledByIncrementSize);
    }

    inline void InitOffsetted(const _In_ D3D12_GPU_DESCRIPTOR_HANDLE& base,
        INT offsetInDescriptors,
        UINT descriptorIncrementSize) noexcept
    {
        InitOffsetted(
            *this, base, offsetInDescriptors, descriptorIncrementSize);
    }

    inline static void InitOffsetted(_Out_ D3D12_GPU_DESCRIPTOR_HANDLE& handle,
        const _In_ D3D12_GPU_DESCRIPTOR_HANDLE& base,
        INT offsetScaledByIncrementSize) noexcept
    {
        handle.ptr
            = UINT64(INT64(base.ptr) + INT64(offsetScaledByIncrementSize));
    }

    inline static void InitOffsetted(_Out_ D3D12_GPU_DESCRIPTOR_HANDLE& handle,
        const _In_ D3D12_GPU_DESCRIPTOR_HANDLE& base,
        INT offsetInDescriptors,
        UINT descriptorIncrementSize) noexcept
    {
        handle.ptr = UINT64(
            INT64(base.ptr)
            + INT64(offsetInDescriptors) * INT64(descriptorIncrementSize));
    }
};

//------------------------------------------------------------------------------------------------
inline constexpr UINT D3D12CalcSubresource(UINT MipSlice,
    UINT ArraySlice,
    UINT PlaneSlice,
    UINT MipLevels,
    UINT ArraySize) noexcept
{
    return MipSlice + ArraySlice * MipLevels
         + PlaneSlice * MipLevels * ArraySize;
}

//------------------------------------------------------------------------------------------------
template<typename T, typename U, typename V>
inline void D3D12DecomposeSubresource(UINT Subresource,
    UINT MipLevels,
    UINT ArraySize,
    _Out_ T& MipSlice,
    _Out_ U& ArraySlice,
    _Out_ V& PlaneSlice) noexcept
{
    MipSlice = static_cast<T>(Subresource % MipLevels);
    ArraySlice = static_cast<U>((Subresource / MipLevels) % ArraySize);
    PlaneSlice = static_cast<V>(Subresource / (MipLevels * ArraySize));
}

//------------------------------------------------------------------------------------------------
inline UINT8 D3D12GetFormatPlaneCount(
    _In_ ID3D12Device* pDevice, DXGI_FORMAT Format) noexcept
{
    D3D12_FEATURE_DATA_FORMAT_INFO formatInfo = {Format, 0};
    if (FAILED(pDevice->CheckFeatureSupport(
            D3D12_FEATURE_FORMAT_INFO, &formatInfo, sizeof(formatInfo))))
    {
        return 0;
    }
    return formatInfo.PlaneCount;
}

//------------------------------------------------------------------------------------------------
struct CD3DX12_RESOURCE_DESC : public D3D12_RESOURCE_DESC
{
    CD3DX12_RESOURCE_DESC() = default;

    explicit CD3DX12_RESOURCE_DESC(const D3D12_RESOURCE_DESC& o) noexcept
        : D3D12_RESOURCE_DESC(o)
    {}

    CD3DX12_RESOURCE_DESC(D3D12_RESOURCE_DIMENSION dimension,
        UINT64 alignment,
        UINT64 width,
        UINT height,
        UINT16 depthOrArraySize,
        UINT16 mipLevels,
        DXGI_FORMAT format,
        UINT sampleCount,
        UINT sampleQuality,
        D3D12_TEXTURE_LAYOUT layout,
        D3D12_RESOURCE_FLAGS flags)
    noexcept
    {
        Dimension = dimension;
        Alignment = alignment;
        Width = width;
        Height = height;
        DepthOrArraySize = depthOrArraySize;
        MipLevels = mipLevels;
        Format = format;
        SampleDesc.Count = sampleCount;
        SampleDesc.Quality = sampleQuality;
        Layout = layout;
        Flags = flags;
    }

    inline static CD3DX12_RESOURCE_DESC Buffer(
        const D3D12_RESOURCE_ALLOCATION_INFO& resAllocInfo,
        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE) noexcept
    {
        return CD3DX12_RESOURCE_DESC(D3D12_RESOURCE_DIMENSION_BUFFER,
            resAllocInfo.Alignment,
            resAllocInfo.SizeInBytes,
            1,
            1,
            1,
            DXGI_FORMAT_UNKNOWN,
            1,
            0,
            D3D12_TEXTURE_LAYOUT_ROW_MAJOR,
            flags);
    }

    inline static CD3DX12_RESOURCE_DESC Buffer(UINT64 width,
        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE,
        UINT64 alignment = 0) noexcept
    {
        return CD3DX12_RESOURCE_DESC(D3D12_RESOURCE_DIMENSION_BUFFER,
            alignment,
            width,
            1,
            1,
            1,
            DXGI_FORMAT_UNKNOWN,
            1,
            0,
            D3D12_TEXTURE_LAYOUT_ROW_MAJOR,
            flags);
    }

    inline static CD3DX12_RESOURCE_DESC Tex1D(DXGI_FORMAT format,
        UINT64 width,
        UINT16 arraySize = 1,
        UINT16 mipLevels = 0,
        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE,
        D3D12_TEXTURE_LAYOUT layout = D3D12_TEXTURE_LAYOUT_UNKNOWN,
        UINT64 alignment = 0) noexcept
    {
        return CD3DX12_RESOURCE_DESC(D3D12_RESOURCE_DIMENSION_TEXTURE1D,
            alignment,
            width,
            1,
            arraySize,
            mipLevels,
            format,
            1,
            0,
            layout,
            flags);
    }

    inline static CD3DX12_RESOURCE_DESC Tex2D(DXGI_FORMAT format,
        UINT64 width,
        UINT height,
        UINT16 arraySize = 1,
        UINT16 mipLevels = 0,
        UINT sampleCount = 1,
        UINT sampleQuality = 0,
        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE,
        D3D12_TEXTURE_LAYOUT layout = D3D12_TEXTURE_LAYOUT_UNKNOWN,
        UINT64 alignment = 0) noexcept
    {
        return CD3DX12_RESOURCE_DESC(D3D12_RESOURCE_DIMENSION_TEXTURE2D,
            alignment,
            width,
            height,
            arraySize,
            mipLevels,
            format,
            sampleCount,
            sampleQuality,
            layout,
            flags);
    }

    inline static CD3DX12_RESOURCE_DESC Tex3D(DXGI_FORMAT format,
        UINT64 width,
        UINT height,
        UINT16 depth,
        UINT16 mipLevels = 0,
        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE,
        D3D12_TEXTURE_LAYOUT layout = D3D12_TEXTURE_LAYOUT_UNKNOWN,
        UINT64 alignment = 0) noexcept
    {
        return CD3DX12_RESOURCE_DESC(D3D12_RESOURCE_DIMENSION_TEXTURE3D,
            alignment,
            width,
            height,
            depth,
            mipLevels,
            format,
            1,
            0,
            layout,
            flags);
    }

    inline UINT16 Depth() const noexcept
    {
        return (Dimension == D3D12_RESOURCE_DIMENSION_TEXTURE3D
                    ? DepthOrArraySize
                    : 1);
    }

    inline UINT16 ArraySize() const noexcept
    {
        return (Dimension != D3D12_RESOURCE_DIMENSION_TEXTURE3D
                    ? DepthOrArraySize
                    : 1);
    }

    inline UINT8 PlaneCount(_In_ ID3D12Device* pDevice) const noexcept
    {
        return D3D12GetFormatPlaneCount(pDevice, Format);
    }

    inline UINT Subresources(_In_ ID3D12Device* pDevice) const noexcept
    {
        return MipLevels * ArraySize() * PlaneCount(pDevice);
    }

    inline UINT CalcSubresource(
        UINT MipSlice, UINT ArraySlice, UINT PlaneSlice) noexcept
    {
        return D3D12CalcSubresource(
            MipSlice, ArraySlice, PlaneSlice, MipLevels, ArraySize());
    }
};

inline bool operator==(
    const D3D12_RESOURCE_DESC& l, const D3D12_RESOURCE_DESC& r) noexcept
{
    return l.Dimension == r.Dimension && l.Alignment == r.Alignment
        && l.Width == r.Width && l.Height == r.Height
        && l.DepthOrArraySize == r.DepthOrArraySize
        && l.MipLevels == r.MipLevels && l.Format == r.Format
        && l.SampleDesc.Count == r.SampleDesc.Count
        && l.SampleDesc.Quality == r.SampleDesc.Quality && l.Layout == r.Layout
        && l.Flags == r.Flags;
}

inline bool operator!=(
    const D3D12_RESOURCE_DESC& l, const D3D12_RESOURCE_DESC& r) noexcept
{
    return !(l == r);
}

//------------------------------------------------------------------------------------------------
struct CD3DX12_RESOURCE_DESC1 : public D3D12_RESOURCE_DESC1
{
    CD3DX12_RESOURCE_DESC1() = default;

    explicit CD3DX12_RESOURCE_DESC1(const D3D12_RESOURCE_DESC1& o) noexcept
        : D3D12_RESOURCE_DESC1(o)
    {}

    CD3DX12_RESOURCE_DESC1(D3D12_RESOURCE_DIMENSION dimension,
        UINT64 alignment,
        UINT64 width,
        UINT height,
        UINT16 depthOrArraySize,
        UINT16 mipLevels,
        DXGI_FORMAT format,
        UINT sampleCount,
        UINT sampleQuality,
        D3D12_TEXTURE_LAYOUT layout,
        D3D12_RESOURCE_FLAGS flags,
        UINT samplerFeedbackMipRegionWidth = 0,
        UINT samplerFeedbackMipRegionHeight = 0,
        UINT samplerFeedbackMipRegionDepth = 0)
    noexcept
    {
        Dimension = dimension;
        Alignment = alignment;
        Width = width;
        Height = height;
        DepthOrArraySize = depthOrArraySize;
        MipLevels = mipLevels;
        Format = format;
        SampleDesc.Count = sampleCount;
        SampleDesc.Quality = sampleQuality;
        Layout = layout;
        Flags = flags;
        SamplerFeedbackMipRegion.Width = samplerFeedbackMipRegionWidth;
        SamplerFeedbackMipRegion.Height = samplerFeedbackMipRegionHeight;
        SamplerFeedbackMipRegion.Depth = samplerFeedbackMipRegionDepth;
    }

    inline static CD3DX12_RESOURCE_DESC1 Buffer(
        const D3D12_RESOURCE_ALLOCATION_INFO& resAllocInfo,
        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE) noexcept
    {
        return CD3DX12_RESOURCE_DESC1(D3D12_RESOURCE_DIMENSION_BUFFER,
            resAllocInfo.Alignment,
            resAllocInfo.SizeInBytes,
            1,
            1,
            1,
            DXGI_FORMAT_UNKNOWN,
            1,
            0,
            D3D12_TEXTURE_LAYOUT_ROW_MAJOR,
            flags,
            0,
            0,
            0);
    }

    inline static CD3DX12_RESOURCE_DESC1 Buffer(UINT64 width,
        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE,
        UINT64 alignment = 0) noexcept
    {
        return CD3DX12_RESOURCE_DESC1(D3D12_RESOURCE_DIMENSION_BUFFER,
            alignment,
            width,
            1,
            1,
            1,
            DXGI_FORMAT_UNKNOWN,
            1,
            0,
            D3D12_TEXTURE_LAYOUT_ROW_MAJOR,
            flags,
            0,
            0,
            0);
    }

    inline static CD3DX12_RESOURCE_DESC1 Tex1D(DXGI_FORMAT format,
        UINT64 width,
        UINT16 arraySize = 1,
        UINT16 mipLevels = 0,
        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE,
        D3D12_TEXTURE_LAYOUT layout = D3D12_TEXTURE_LAYOUT_UNKNOWN,
        UINT64 alignment = 0) noexcept
    {
        return CD3DX12_RESOURCE_DESC1(D3D12_RESOURCE_DIMENSION_TEXTURE1D,
            alignment,
            width,
            1,
            arraySize,
            mipLevels,
            format,
            1,
            0,
            layout,
            flags,
            0,
            0,
            0);
    }

    inline static CD3DX12_RESOURCE_DESC1 Tex2D(DXGI_FORMAT format,
        UINT64 width,
        UINT height,
        UINT16 arraySize = 1,
        UINT16 mipLevels = 0,
        UINT sampleCount = 1,
        UINT sampleQuality = 0,
        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE,
        D3D12_TEXTURE_LAYOUT layout = D3D12_TEXTURE_LAYOUT_UNKNOWN,
        UINT64 alignment = 0,
        UINT samplerFeedbackMipRegionWidth = 0,
        UINT samplerFeedbackMipRegionHeight = 0,
        UINT samplerFeedbackMipRegionDepth = 0) noexcept
    {
        return CD3DX12_RESOURCE_DESC1(D3D12_RESOURCE_DIMENSION_TEXTURE2D,
            alignment,
            width,
            height,
            arraySize,
            mipLevels,
            format,
            sampleCount,
            sampleQuality,
            layout,
            flags,
            samplerFeedbackMipRegionWidth,
            samplerFeedbackMipRegionHeight,
            samplerFeedbackMipRegionDepth);
    }

    inline static CD3DX12_RESOURCE_DESC1 Tex3D(DXGI_FORMAT format,
        UINT64 width,
        UINT height,
        UINT16 depth,
        UINT16 mipLevels = 0,
        D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE,
        D3D12_TEXTURE_LAYOUT layout = D3D12_TEXTURE_LAYOUT_UNKNOWN,
        UINT64 alignment = 0) noexcept
    {
        return CD3DX12_RESOURCE_DESC1(D3D12_RESOURCE_DIMENSION_TEXTURE3D,
            alignment,
            width,
            height,
            depth,
            mipLevels,
            format,
            1,
            0,
            layout,
            flags,
            0,
            0,
            0);
    }

    inline UINT16 Depth() const noexcept
    {
        return (Dimension == D3D12_RESOURCE_DIMENSION_TEXTURE3D
                    ? DepthOrArraySize
                    : 1);
    }

    inline UINT16 ArraySize() const noexcept
    {
        return (Dimension != D3D12_RESOURCE_DIMENSION_TEXTURE3D
                    ? DepthOrArraySize
                    : 1);
    }

    inline UINT8 PlaneCount(_In_ ID3D12Device* pDevice) const noexcept
    {
        return D3D12GetFormatPlaneCount(pDevice, Format);
    }

    inline UINT Subresources(_In_ ID3D12Device* pDevice) const noexcept
    {
        return MipLevels * ArraySize() * PlaneCount(pDevice);
    }

    inline UINT CalcSubresource(
        UINT MipSlice, UINT ArraySlice, UINT PlaneSlice) noexcept
    {
        return D3D12CalcSubresource(
            MipSlice, ArraySlice, PlaneSlice, MipLevels, ArraySize());
    }
};

inline bool operator==(
    const D3D12_RESOURCE_DESC1& l, const D3D12_RESOURCE_DESC1& r) noexcept
{
    return l.Dimension == r.Dimension && l.Alignment == r.Alignment
        && l.Width == r.Width && l.Height == r.Height
        && l.DepthOrArraySize == r.DepthOrArraySize
        && l.MipLevels == r.MipLevels && l.Format == r.Format
        && l.SampleDesc.Count == r.SampleDesc.Count
        && l.SampleDesc.Quality == r.SampleDesc.Quality && l.Layout == r.Layout
        && l.Flags == r.Flags
        && l.SamplerFeedbackMipRegion.Width == r.SamplerFeedbackMipRegion.Width
        && l.SamplerFeedbackMipRegion.Height
               == r.SamplerFeedbackMipRegion.Height
        && l.SamplerFeedbackMipRegion.Depth == r.SamplerFeedbackMipRegion.Depth;
}

inline bool operator!=(
    const D3D12_RESOURCE_DESC1& l, const D3D12_RESOURCE_DESC1& r) noexcept
{
    return !(l == r);
}

//------------------------------------------------------------------------------------------------
struct CD3DX12_VIEW_INSTANCING_DESC : public D3D12_VIEW_INSTANCING_DESC
{
    CD3DX12_VIEW_INSTANCING_DESC() = default;

    explicit CD3DX12_VIEW_INSTANCING_DESC(
        const D3D12_VIEW_INSTANCING_DESC& o) noexcept
        : D3D12_VIEW_INSTANCING_DESC(o)
    {}

    explicit CD3DX12_VIEW_INSTANCING_DESC(CD3DX12_DEFAULT) noexcept
    {
        ViewInstanceCount = 0;
        pViewInstanceLocations = nullptr;
        Flags = D3D12_VIEW_INSTANCING_FLAG_NONE;
    }

    explicit CD3DX12_VIEW_INSTANCING_DESC(UINT InViewInstanceCount,
        const D3D12_VIEW_INSTANCE_LOCATION* InViewInstanceLocations,
        D3D12_VIEW_INSTANCING_FLAGS InFlags) noexcept
    {
        ViewInstanceCount = InViewInstanceCount;
        pViewInstanceLocations = InViewInstanceLocations;
        Flags = InFlags;
    }
};

//------------------------------------------------------------------------------------------------
// Row-by-row memcpy
inline void MemcpySubresource(const _In_ D3D12_MEMCPY_DEST* pDest,
    const _In_ D3D12_SUBRESOURCE_DATA* pSrc,
    SIZE_T RowSizeInBytes,
    UINT NumRows,
    UINT NumSlices) noexcept
{
    for (UINT z = 0; z < NumSlices; ++z)
    {
        auto pDestSlice
            = static_cast<BYTE*>(pDest->pData) + pDest->SlicePitch * z;
        auto pSrcSlice = static_cast<const BYTE*>(pSrc->pData)
                       + pSrc->SlicePitch * LONG_PTR(z);
        for (UINT y = 0; y < NumRows; ++y)
        {
            memcpy(pDestSlice + pDest->RowPitch * y,
                pSrcSlice + pSrc->RowPitch * LONG_PTR(y),
                RowSizeInBytes);
        }
    }
}

//------------------------------------------------------------------------------------------------
// Row-by-row memcpy
inline void MemcpySubresource(const _In_ D3D12_MEMCPY_DEST* pDest,
    _In_ const void* pResourceData,
    const _In_ D3D12_SUBRESOURCE_INFO* pSrc,
    SIZE_T RowSizeInBytes,
    UINT NumRows,
    UINT NumSlices) noexcept
{
    for (UINT z = 0; z < NumSlices; ++z)
    {
        auto pDestSlice
            = static_cast<BYTE*>(pDest->pData) + pDest->SlicePitch * z;
        auto pSrcSlice
            = (static_cast<const BYTE*>(pResourceData) + pSrc->Offset)
            + pSrc->DepthPitch * ULONG_PTR(z);
        for (UINT y = 0; y < NumRows; ++y)
        {
            memcpy(pDestSlice + pDest->RowPitch * y,
                pSrcSlice + pSrc->RowPitch * ULONG_PTR(y),
                RowSizeInBytes);
        }
    }
}

//------------------------------------------------------------------------------------------------
// Returns required size of a buffer to be used for data upload
inline UINT64 GetRequiredIntermediateSize(
    _In_ ID3D12Resource* pDestinationResource,
    _In_range_(0, D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
    _In_range_(0, D3D12_REQ_SUBRESOURCES - FirstSubresource)
        UINT NumSubresources) noexcept
{
    auto Desc = pDestinationResource->GetDesc();
    UINT64 RequiredSize = 0;

    ID3D12Device* pDevice = nullptr;
    pDestinationResource->GetDevice(
        __uuidof(*pDevice), reinterpret_cast<void**>(&pDevice));
    pDevice->GetCopyableFootprints(&Desc,
        FirstSubresource,
        NumSubresources,
        0,
        nullptr,
        nullptr,
        nullptr,
        &RequiredSize);
    pDevice->Release();

    return RequiredSize;
}

//------------------------------------------------------------------------------------------------
// All arrays must be populated (e.g. by calling GetCopyableFootprints)
inline UINT64 UpdateSubresources(_In_ ID3D12GraphicsCommandList* pCmdList,
    _In_ ID3D12Resource* pDestinationResource,
    _In_ ID3D12Resource* pIntermediate,
    _In_range_(0, D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
    _In_range_(0, D3D12_REQ_SUBRESOURCES - FirstSubresource)
        UINT NumSubresources,
    UINT64 RequiredSize,
    _In_reads_(NumSubresources)
        const D3D12_PLACED_SUBRESOURCE_FOOTPRINT* pLayouts,
    _In_reads_(NumSubresources) const UINT* pNumRows,
    _In_reads_(NumSubresources) const UINT64* pRowSizesInBytes,
    _In_reads_(NumSubresources) const D3D12_SUBRESOURCE_DATA* pSrcData) noexcept
{
    // Minor validation
    auto IntermediateDesc = pIntermediate->GetDesc();
    auto DestinationDesc = pDestinationResource->GetDesc();
    if (IntermediateDesc.Dimension != D3D12_RESOURCE_DIMENSION_BUFFER
        || IntermediateDesc.Width < RequiredSize + pLayouts[0].Offset
        || RequiredSize > SIZE_T(-1)
        || (DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER
            && (FirstSubresource != 0 || NumSubresources != 1)))
    {
        return 0;
    }

    BYTE* pData;
    HRESULT hr
        = pIntermediate->Map(0, nullptr, reinterpret_cast<void**>(&pData));
    if (FAILED(hr))
    {
        return 0;
    }

    for (UINT i = 0; i < NumSubresources; ++i)
    {
        if (pRowSizesInBytes[i] > SIZE_T(-1)) return 0;
        D3D12_MEMCPY_DEST DestData = {pData + pLayouts[i].Offset,
            pLayouts[i].Footprint.RowPitch,
            SIZE_T(pLayouts[i].Footprint.RowPitch) * SIZE_T(pNumRows[i])};
        MemcpySubresource(&DestData,
            &pSrcData[i],
            static_cast<SIZE_T>(pRowSizesInBytes[i]),
            pNumRows[i],
            pLayouts[i].Footprint.Depth);
    }
    pIntermediate->Unmap(0, nullptr);

    if (DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER)
    {
        pCmdList->CopyBufferRegion(pDestinationResource,
            0,
            pIntermediate,
            pLayouts[0].Offset,
            pLayouts[0].Footprint.Width);
    }
    else
    {
        for (UINT i = 0; i < NumSubresources; ++i)
        {
            CD3DX12_TEXTURE_COPY_LOCATION Dst(
                pDestinationResource, i + FirstSubresource);
            CD3DX12_TEXTURE_COPY_LOCATION Src(pIntermediate, pLayouts[i]);
            pCmdList->CopyTextureRegion(&Dst, 0, 0, 0, &Src, nullptr);
        }
    }
    return RequiredSize;
}

//------------------------------------------------------------------------------------------------
// All arrays must be populated (e.g. by calling GetCopyableFootprints)
inline UINT64 UpdateSubresources(_In_ ID3D12GraphicsCommandList* pCmdList,
    _In_ ID3D12Resource* pDestinationResource,
    _In_ ID3D12Resource* pIntermediate,
    _In_range_(0, D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
    _In_range_(0, D3D12_REQ_SUBRESOURCES - FirstSubresource)
        UINT NumSubresources,
    UINT64 RequiredSize,
    _In_reads_(NumSubresources)
        const D3D12_PLACED_SUBRESOURCE_FOOTPRINT* pLayouts,
    _In_reads_(NumSubresources) const UINT* pNumRows,
    _In_reads_(NumSubresources) const UINT64* pRowSizesInBytes,
    _In_ const void* pResourceData,
    _In_reads_(NumSubresources) const D3D12_SUBRESOURCE_INFO* pSrcData) noexcept
{
    // Minor validation
    auto IntermediateDesc = pIntermediate->GetDesc();
    auto DestinationDesc = pDestinationResource->GetDesc();
    if (IntermediateDesc.Dimension != D3D12_RESOURCE_DIMENSION_BUFFER
        || IntermediateDesc.Width < RequiredSize + pLayouts[0].Offset
        || RequiredSize > SIZE_T(-1)
        || (DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER
            && (FirstSubresource != 0 || NumSubresources != 1)))
    {
        return 0;
    }

    BYTE* pData;
    HRESULT hr
        = pIntermediate->Map(0, nullptr, reinterpret_cast<void**>(&pData));
    if (FAILED(hr))
    {
        return 0;
    }

    for (UINT i = 0; i < NumSubresources; ++i)
    {
        if (pRowSizesInBytes[i] > SIZE_T(-1)) return 0;
        D3D12_MEMCPY_DEST DestData = {pData + pLayouts[i].Offset,
            pLayouts[i].Footprint.RowPitch,
            SIZE_T(pLayouts[i].Footprint.RowPitch) * SIZE_T(pNumRows[i])};
        MemcpySubresource(&DestData,
            pResourceData,
            &pSrcData[i],
            static_cast<SIZE_T>(pRowSizesInBytes[i]),
            pNumRows[i],
            pLayouts[i].Footprint.Depth);
    }
    pIntermediate->Unmap(0, nullptr);

    if (DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER)
    {
        pCmdList->CopyBufferRegion(pDestinationResource,
            0,
            pIntermediate,
            pLayouts[0].Offset,
            pLayouts[0].Footprint.Width);
    }
    else
    {
        for (UINT i = 0; i < NumSubresources; ++i)
        {
            CD3DX12_TEXTURE_COPY_LOCATION Dst(
                pDestinationResource, i + FirstSubresource);
            CD3DX12_TEXTURE_COPY_LOCATION Src(pIntermediate, pLayouts[i]);
            pCmdList->CopyTextureRegion(&Dst, 0, 0, 0, &Src, nullptr);
        }
    }
    return RequiredSize;
}

//------------------------------------------------------------------------------------------------
// Heap-allocating UpdateSubresources implementation
inline UINT64 UpdateSubresources(_In_ ID3D12GraphicsCommandList* pCmdList,
    _In_ ID3D12Resource* pDestinationResource,
    _In_ ID3D12Resource* pIntermediate,
    UINT64 IntermediateOffset,
    _In_range_(0, D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
    _In_range_(0, D3D12_REQ_SUBRESOURCES - FirstSubresource)
        UINT NumSubresources,
    _In_reads_(NumSubresources) const D3D12_SUBRESOURCE_DATA* pSrcData) noexcept
{
    UINT64 RequiredSize = 0;
    auto MemToAlloc
        = static_cast<UINT64>(sizeof(D3D12_PLACED_SUBRESOURCE_FOOTPRINT)
                              + sizeof(UINT) + sizeof(UINT64))
        * NumSubresources;
    if (MemToAlloc > SIZE_MAX)
    {
        return 0;
    }
    void* pMem
        = HeapAlloc(GetProcessHeap(), 0, static_cast<SIZE_T>(MemToAlloc));
    if (pMem == nullptr)
    {
        return 0;
    }
    auto pLayouts = static_cast<D3D12_PLACED_SUBRESOURCE_FOOTPRINT*>(pMem);
    auto pRowSizesInBytes
        = reinterpret_cast<UINT64*>(pLayouts + NumSubresources);
    auto pNumRows = reinterpret_cast<UINT*>(pRowSizesInBytes + NumSubresources);

    auto Desc = pDestinationResource->GetDesc();
    ID3D12Device* pDevice = nullptr;
    pDestinationResource->GetDevice(
        __uuidof(*pDevice), reinterpret_cast<void**>(&pDevice));
    pDevice->GetCopyableFootprints(&Desc,
        FirstSubresource,
        NumSubresources,
        IntermediateOffset,
        pLayouts,
        pNumRows,
        pRowSizesInBytes,
        &RequiredSize);
    pDevice->Release();

    UINT64 Result = UpdateSubresources(pCmdList,
        pDestinationResource,
        pIntermediate,
        FirstSubresource,
        NumSubresources,
        RequiredSize,
        pLayouts,
        pNumRows,
        pRowSizesInBytes,
        pSrcData);
    HeapFree(GetProcessHeap(), 0, pMem);
    return Result;
}

//------------------------------------------------------------------------------------------------
// Heap-allocating UpdateSubresources implementation
inline UINT64 UpdateSubresources(_In_ ID3D12GraphicsCommandList* pCmdList,
    _In_ ID3D12Resource* pDestinationResource,
    _In_ ID3D12Resource* pIntermediate,
    UINT64 IntermediateOffset,
    _In_range_(0, D3D12_REQ_SUBRESOURCES) UINT FirstSubresource,
    _In_range_(0, D3D12_REQ_SUBRESOURCES - FirstSubresource)
        UINT NumSubresources,
    _In_ const void* pResourceData,
    _In_reads_(NumSubresources) D3D12_SUBRESOURCE_INFO* pSrcData) noexcept
{
    UINT64 RequiredSize = 0;
    auto MemToAlloc
        = static_cast<UINT64>(sizeof(D3D12_PLACED_SUBRESOURCE_FOOTPRINT)
                              + sizeof(UINT) + sizeof(UINT64))
        * NumSubresources;
    if (MemToAlloc > SIZE_MAX)
    {
        return 0;
    }
    void* pMem
        = HeapAlloc(GetProcessHeap(), 0, static_cast<SIZE_T>(MemToAlloc));
    if (pMem == nullptr)
    {
        return 0;
    }
    auto pLayouts = reinterpret_cast<D3D12_PLACED_SUBRESOURCE_FOOTPRINT*>(pMem);
    auto pRowSizesInBytes
        = reinterpret_cast<UINT64*>(pLayouts + NumSubresources);
    auto pNumRows = reinterpret_cast<UINT*>(pRowSizesInBytes + NumSubresources);

    auto Desc = pDestinationResource->GetDesc();
    ID3D12Device* pDevice = nullptr;
    pDestinationResource->GetDevice(
        __uuidof(*pDevice), reinterpret_cast<void**>(&pDevice));
    pDevice->GetCopyableFootprints(&Desc,
        FirstSubresource,
        NumSubresources,
        IntermediateOffset,
        pLayouts,
        pNumRows,
        pRowSizesInBytes,
        &RequiredSize);
    pDevice->Release();

    UINT64 Result = UpdateSubresources(pCmdList,
        pDestinationResource,
        pIntermediate,
        FirstSubresource,
        NumSubresources,
        RequiredSize,
        pLayouts,
        pNumRows,
        pRowSizesInBytes,
        pResourceData,
        pSrcData);
    HeapFree(GetProcessHeap(), 0, pMem);
    return Result;
}

//------------------------------------------------------------------------------------------------
// Stack-allocating UpdateSubresources implementation
template<UINT MaxSubresources>
inline UINT64 UpdateSubresources(_In_ ID3D12GraphicsCommandList* pCmdList,
    _In_ ID3D12Resource* pDestinationResource,
    _In_ ID3D12Resource* pIntermediate,
    UINT64 IntermediateOffset,
    _In_range_(0, MaxSubresources) UINT FirstSubresource,
    _In_range_(1, MaxSubresources - FirstSubresource) UINT NumSubresources,
    _In_reads_(NumSubresources) const D3D12_SUBRESOURCE_DATA* pSrcData) noexcept
{
    UINT64 RequiredSize = 0;
    D3D12_PLACED_SUBRESOURCE_FOOTPRINT Layouts[MaxSubresources];
    UINT NumRows[MaxSubresources];
    UINT64 RowSizesInBytes[MaxSubresources];

    auto Desc = pDestinationResource->GetDesc();
    ID3D12Device* pDevice = nullptr;
    pDestinationResource->GetDevice(
        __uuidof(*pDevice), reinterpret_cast<void**>(&pDevice));
    pDevice->GetCopyableFootprints(&Desc,
        FirstSubresource,
        NumSubresources,
        IntermediateOffset,
        Layouts,
        NumRows,
        RowSizesInBytes,
        &RequiredSize);
    pDevice->Release();

    return UpdateSubresources(pCmdList,
        pDestinationResource,
        pIntermediate,
        FirstSubresource,
        NumSubresources,
        RequiredSize,
        Layouts,
        NumRows,
        RowSizesInBytes,
        pSrcData);
}

//------------------------------------------------------------------------------------------------
// Stack-allocating UpdateSubresources implementation
template<UINT MaxSubresources>
inline UINT64 UpdateSubresources(_In_ ID3D12GraphicsCommandList* pCmdList,
    _In_ ID3D12Resource* pDestinationResource,
    _In_ ID3D12Resource* pIntermediate,
    UINT64 IntermediateOffset,
    _In_range_(0, MaxSubresources) UINT FirstSubresource,
    _In_range_(1, MaxSubresources - FirstSubresource) UINT NumSubresources,
    _In_ const void* pResourceData,
    _In_reads_(NumSubresources) D3D12_SUBRESOURCE_INFO* pSrcData) noexcept
{
    UINT64 RequiredSize = 0;
    D3D12_PLACED_SUBRESOURCE_FOOTPRINT Layouts[MaxSubresources];
    UINT NumRows[MaxSubresources];
    UINT64 RowSizesInBytes[MaxSubresources];

    auto Desc = pDestinationResource->GetDesc();
    ID3D12Device* pDevice = nullptr;
    pDestinationResource->GetDevice(
        __uuidof(*pDevice), reinterpret_cast<void**>(&pDevice));
    pDevice->GetCopyableFootprints(&Desc,
        FirstSubresource,
        NumSubresources,
        IntermediateOffset,
        Layouts,
        NumRows,
        RowSizesInBytes,
        &RequiredSize);
    pDevice->Release();

    return UpdateSubresources(pCmdList,
        pDestinationResource,
        pIntermediate,
        FirstSubresource,
        NumSubresources,
        RequiredSize,
        Layouts,
        NumRows,
        RowSizesInBytes,
        pResourceData,
        pSrcData);
}

//------------------------------------------------------------------------------------------------
inline constexpr bool D3D12IsLayoutOpaque(D3D12_TEXTURE_LAYOUT Layout) noexcept
{
    return Layout == D3D12_TEXTURE_LAYOUT_UNKNOWN
        || Layout == D3D12_TEXTURE_LAYOUT_64KB_UNDEFINED_SWIZZLE;
}

//------------------------------------------------------------------------------------------------
template<typename t_CommandListType> inline ID3D12CommandList* const*
CommandListCast(t_CommandListType* const* pp) noexcept
{
    // This cast is useful for passing strongly typed command list pointers into
    // ExecuteCommandLists.
    // This cast is valid as long as the const-ness is respected. D3D12 APIs do
    // respect the const-ness of their arguments.
    return reinterpret_cast<ID3D12CommandList* const*>(pp);
}

//------------------------------------------------------------------------------------------------
// D3D12 exports a new method for serializing root signatures in the Windows 10
// Anniversary Update. To help enable root signature 1.1 features when they are
// available and not require maintaining two code paths for building root
// signatures, this helper method reconstructs a 1.0 signature when 1.1 is not
// supported.
inline HRESULT D3DX12SerializeVersionedRootSignature(
    const _In_ D3D12_VERSIONED_ROOT_SIGNATURE_DESC* pRootSignatureDesc,
    D3D_ROOT_SIGNATURE_VERSION MaxVersion,
    _Outptr_ ID3DBlob** ppBlob,
    _Always_(_Outptr_opt_result_maybenull_) ID3DBlob** ppErrorBlob,
    PFN_D3D12_SERIALIZE_VERSIONED_ROOT_SIGNATURE
        D3D12SerializeVersionedRootSignature,
    PFN_D3D12_SERIALIZE_ROOT_SIGNATURE D3D12SerializeRootSignature) noexcept
{
    if (ppErrorBlob != nullptr)
    {
        *ppErrorBlob = nullptr;
    }

    switch (MaxVersion)
    {
    case D3D_ROOT_SIGNATURE_VERSION_1_0:
        switch (pRootSignatureDesc->Version)
        {
        case D3D_ROOT_SIGNATURE_VERSION_1_0:
            return D3D12SerializeRootSignature(&pRootSignatureDesc->Desc_1_0,
                D3D_ROOT_SIGNATURE_VERSION_1,
                ppBlob,
                ppErrorBlob);

        case D3D_ROOT_SIGNATURE_VERSION_1_1:
            {
                HRESULT hr = S_OK;
                const D3D12_ROOT_SIGNATURE_DESC1& desc_1_1
                    = pRootSignatureDesc->Desc_1_1;

                const SIZE_T ParametersSize
                    = sizeof(D3D12_ROOT_PARAMETER) * desc_1_1.NumParameters;
                void* pParameters = (ParametersSize > 0) ? HeapAlloc(
                                        GetProcessHeap(), 0, ParametersSize)
                                                         : nullptr;
                if (ParametersSize > 0 && pParameters == nullptr)
                {
                    hr = E_OUTOFMEMORY;
                }
                auto pParameters_1_0
                    = static_cast<D3D12_ROOT_PARAMETER*>(pParameters);

                if (SUCCEEDED(hr))
                {
                    for (UINT n = 0; n < desc_1_1.NumParameters; n++)
                    {
                        __analysis_assume(ParametersSize
                                          == sizeof(D3D12_ROOT_PARAMETER)
                                                 * desc_1_1.NumParameters);
                        pParameters_1_0[n].ParameterType
                            = desc_1_1.pParameters[n].ParameterType;
                        pParameters_1_0[n].ShaderVisibility
                            = desc_1_1.pParameters[n].ShaderVisibility;

                        switch (desc_1_1.pParameters[n].ParameterType)
                        {
                        case D3D12_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS:
                            pParameters_1_0[n].Constants.Num32BitValues
                                = desc_1_1.pParameters[n]
                                      .Constants.Num32BitValues;
                            pParameters_1_0[n].Constants.RegisterSpace
                                = desc_1_1.pParameters[n]
                                      .Constants.RegisterSpace;
                            pParameters_1_0[n].Constants.ShaderRegister
                                = desc_1_1.pParameters[n]
                                      .Constants.ShaderRegister;
                            break;

                        case D3D12_ROOT_PARAMETER_TYPE_CBV:
                        case D3D12_ROOT_PARAMETER_TYPE_SRV:
                        case D3D12_ROOT_PARAMETER_TYPE_UAV:
                            pParameters_1_0[n].Descriptor.RegisterSpace
                                = desc_1_1.pParameters[n]
                                      .Descriptor.RegisterSpace;
                            pParameters_1_0[n].Descriptor.ShaderRegister
                                = desc_1_1.pParameters[n]
                                      .Descriptor.ShaderRegister;
                            break;

                        case D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE:
                            const D3D12_ROOT_DESCRIPTOR_TABLE1& table_1_1
                                = desc_1_1.pParameters[n].DescriptorTable;

                            const SIZE_T DescriptorRangesSize
                                = sizeof(D3D12_DESCRIPTOR_RANGE)
                                * table_1_1.NumDescriptorRanges;
                            void* pDescriptorRanges
                                = (DescriptorRangesSize > 0 && SUCCEEDED(hr))
                                    ? HeapAlloc(GetProcessHeap(),
                                        0,
                                        DescriptorRangesSize)
                                    : nullptr;
                            if (DescriptorRangesSize > 0
                                && pDescriptorRanges == nullptr)
                            {
                                hr = E_OUTOFMEMORY;
                            }
                            auto pDescriptorRanges_1_0
                                = static_cast<D3D12_DESCRIPTOR_RANGE*>(
                                    pDescriptorRanges);

                            if (SUCCEEDED(hr))
                            {
                                for (UINT x = 0;
                                     x < table_1_1.NumDescriptorRanges;
                                     x++)
                                {
                                    __analysis_assume(
                                        DescriptorRangesSize
                                        == sizeof(D3D12_DESCRIPTOR_RANGE)
                                               * table_1_1.NumDescriptorRanges);
                                    pDescriptorRanges_1_0[x].BaseShaderRegister
                                        = table_1_1.pDescriptorRanges[x]
                                              .BaseShaderRegister;
                                    pDescriptorRanges_1_0[x].NumDescriptors
                                        = table_1_1.pDescriptorRanges[x]
                                              .NumDescriptors;
                                    pDescriptorRanges_1_0[x]
                                        .OffsetInDescriptorsFromTableStart
                                        = table_1_1.pDescriptorRanges[x]
                                              .OffsetInDescriptorsFromTableStart;
                                    pDescriptorRanges_1_0[x].RangeType
                                        = table_1_1.pDescriptorRanges[x]
                                              .RangeType;
                                    pDescriptorRanges_1_0[x].RegisterSpace
                                        = table_1_1.pDescriptorRanges[x]
                                              .RegisterSpace;
                                }
                            }

                            D3D12_ROOT_DESCRIPTOR_TABLE& table_1_0
                                = pParameters_1_0[n].DescriptorTable;
                            table_1_0.NumDescriptorRanges
                                = table_1_1.NumDescriptorRanges;
                            table_1_0.pDescriptorRanges = pDescriptorRanges_1_0;
                        }
                    }
                }

                if (SUCCEEDED(hr))
                {
                    CD3DX12_ROOT_SIGNATURE_DESC desc_1_0(desc_1_1.NumParameters,
                        pParameters_1_0,
                        desc_1_1.NumStaticSamplers,
                        desc_1_1.pStaticSamplers,
                        desc_1_1.Flags);
                    hr = D3D12SerializeRootSignature(&desc_1_0,
                        D3D_ROOT_SIGNATURE_VERSION_1,
                        ppBlob,
                        ppErrorBlob);
                }

                if (pParameters)
                {
                    for (UINT n = 0; n < desc_1_1.NumParameters; n++)
                    {
                        if (desc_1_1.pParameters[n].ParameterType
                            == D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE)
                        {
                            HeapFree(GetProcessHeap(),
                                0,
                                reinterpret_cast<void*>(
                                    const_cast<D3D12_DESCRIPTOR_RANGE*>(
                                        pParameters_1_0[n]
                                            .DescriptorTable
                                            .pDescriptorRanges)));
                        }
                    }
                    HeapFree(GetProcessHeap(), 0, pParameters);
                }
                return hr;
            }
        }
        break;

    case D3D_ROOT_SIGNATURE_VERSION_1_1:
        return D3D12SerializeVersionedRootSignature(
            pRootSignatureDesc, ppBlob, ppErrorBlob);
    }

    return E_INVALIDARG;
}

//------------------------------------------------------------------------------------------------
struct CD3DX12_RT_FORMAT_ARRAY : public D3D12_RT_FORMAT_ARRAY
{
    CD3DX12_RT_FORMAT_ARRAY() = default;

    explicit CD3DX12_RT_FORMAT_ARRAY(const D3D12_RT_FORMAT_ARRAY& o) noexcept
        : D3D12_RT_FORMAT_ARRAY(o)
    {}

    explicit CD3DX12_RT_FORMAT_ARRAY(_In_reads_(NumFormats)
                                         const DXGI_FORMAT* pFormats,
        UINT NumFormats) noexcept
    {
        NumRenderTargets = NumFormats;
        memcpy(RTFormats, pFormats, sizeof(RTFormats));
        // assumes ARRAY_SIZE(pFormats) == ARRAY_SIZE(RTFormats)
    }
};

//------------------------------------------------------------------------------------------------
// Pipeline State Stream Helpers
//------------------------------------------------------------------------------------------------

//------------------------------------------------------------------------------------------------
// Stream Subobjects, i.e. elements of a stream

struct DefaultSampleMask
{
    operator UINT() noexcept
    {
        return UINT_MAX;
    }
};

struct DefaultSampleDesc
{
    operator DXGI_SAMPLE_DESC() noexcept
    {
        return DXGI_SAMPLE_DESC{1, 0};
    }
};

#    pragma warning(push)
#    pragma warning(disable : 4324)

template<typename InnerStructType,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE Type,
    typename DefaultArg = InnerStructType>
class alignas(void*) CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT
{
private:
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE _Type;
    InnerStructType _Inner;

public:
    CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT()
    noexcept
        : _Type(Type),
          _Inner(DefaultArg())
    {}

    CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT(const InnerStructType& i)
    noexcept
        : _Type(Type),
          _Inner(i)
    {}

    CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT& operator=(
        const InnerStructType& i) noexcept
    {
        _Type = Type;
        _Inner = i;
        return *this;
    }

    operator const InnerStructType&() const noexcept
    {
        return _Inner;
    }

    operator InnerStructType&() noexcept
    {
        return _Inner;
    }

    InnerStructType* operator&() noexcept
    {
        return &_Inner;
    }

    const InnerStructType* operator&() const noexcept
    {
        return &_Inner;
    }
};

#    pragma warning(pop)
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_PIPELINE_STATE_FLAGS,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_FLAGS>
    CD3DX12_PIPELINE_STATE_STREAM_FLAGS;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<UINT,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_NODE_MASK>
    CD3DX12_PIPELINE_STATE_STREAM_NODE_MASK;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<ID3D12RootSignature*,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_ROOT_SIGNATURE>
    CD3DX12_PIPELINE_STATE_STREAM_ROOT_SIGNATURE;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_INPUT_LAYOUT_DESC,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_INPUT_LAYOUT>
    CD3DX12_PIPELINE_STATE_STREAM_INPUT_LAYOUT;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<
    D3D12_INDEX_BUFFER_STRIP_CUT_VALUE,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_IB_STRIP_CUT_VALUE>
    CD3DX12_PIPELINE_STATE_STREAM_IB_STRIP_CUT_VALUE;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_PRIMITIVE_TOPOLOGY_TYPE,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_PRIMITIVE_TOPOLOGY>
    CD3DX12_PIPELINE_STATE_STREAM_PRIMITIVE_TOPOLOGY;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_SHADER_BYTECODE,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_VS>
    CD3DX12_PIPELINE_STATE_STREAM_VS;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_SHADER_BYTECODE,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_GS>
    CD3DX12_PIPELINE_STATE_STREAM_GS;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_STREAM_OUTPUT_DESC,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_STREAM_OUTPUT>
    CD3DX12_PIPELINE_STATE_STREAM_STREAM_OUTPUT;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_SHADER_BYTECODE,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_HS>
    CD3DX12_PIPELINE_STATE_STREAM_HS;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_SHADER_BYTECODE,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DS>
    CD3DX12_PIPELINE_STATE_STREAM_DS;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_SHADER_BYTECODE,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_PS>
    CD3DX12_PIPELINE_STATE_STREAM_PS;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_SHADER_BYTECODE,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_AS>
    CD3DX12_PIPELINE_STATE_STREAM_AS;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_SHADER_BYTECODE,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_MS>
    CD3DX12_PIPELINE_STATE_STREAM_MS;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_SHADER_BYTECODE,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_CS>
    CD3DX12_PIPELINE_STATE_STREAM_CS;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<CD3DX12_BLEND_DESC,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_BLEND,
    CD3DX12_DEFAULT>
    CD3DX12_PIPELINE_STATE_STREAM_BLEND_DESC;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<CD3DX12_DEPTH_STENCIL_DESC,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DEPTH_STENCIL,
    CD3DX12_DEFAULT>
    CD3DX12_PIPELINE_STATE_STREAM_DEPTH_STENCIL;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<CD3DX12_DEPTH_STENCIL_DESC1,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DEPTH_STENCIL1,
    CD3DX12_DEFAULT>
    CD3DX12_PIPELINE_STATE_STREAM_DEPTH_STENCIL1;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<DXGI_FORMAT,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DEPTH_STENCIL_FORMAT>
    CD3DX12_PIPELINE_STATE_STREAM_DEPTH_STENCIL_FORMAT;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<CD3DX12_RASTERIZER_DESC,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_RASTERIZER,
    CD3DX12_DEFAULT>
    CD3DX12_PIPELINE_STATE_STREAM_RASTERIZER;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_RT_FORMAT_ARRAY,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_RENDER_TARGET_FORMATS>
    CD3DX12_PIPELINE_STATE_STREAM_RENDER_TARGET_FORMATS;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<DXGI_SAMPLE_DESC,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_SAMPLE_DESC,
    DefaultSampleDesc>
    CD3DX12_PIPELINE_STATE_STREAM_SAMPLE_DESC;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<UINT,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_SAMPLE_MASK,
    DefaultSampleMask>
    CD3DX12_PIPELINE_STATE_STREAM_SAMPLE_MASK;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<D3D12_CACHED_PIPELINE_STATE,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_CACHED_PSO>
    CD3DX12_PIPELINE_STATE_STREAM_CACHED_PSO;
typedef CD3DX12_PIPELINE_STATE_STREAM_SUBOBJECT<CD3DX12_VIEW_INSTANCING_DESC,
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_VIEW_INSTANCING,
    CD3DX12_DEFAULT>
    CD3DX12_PIPELINE_STATE_STREAM_VIEW_INSTANCING;

//------------------------------------------------------------------------------------------------
// Stream Parser Helpers

struct ID3DX12PipelineParserCallbacks
{
    // Subobject Callbacks
    virtual void FlagsCb(D3D12_PIPELINE_STATE_FLAGS) {}

    virtual void NodeMaskCb(UINT) {}

    virtual void RootSignatureCb(ID3D12RootSignature*) {}

    virtual void InputLayoutCb(const D3D12_INPUT_LAYOUT_DESC&) {}

    virtual void IBStripCutValueCb(D3D12_INDEX_BUFFER_STRIP_CUT_VALUE) {}

    virtual void PrimitiveTopologyTypeCb(D3D12_PRIMITIVE_TOPOLOGY_TYPE) {}

    virtual void VSCb(const D3D12_SHADER_BYTECODE&) {}

    virtual void GSCb(const D3D12_SHADER_BYTECODE&) {}

    virtual void StreamOutputCb(const D3D12_STREAM_OUTPUT_DESC&) {}

    virtual void HSCb(const D3D12_SHADER_BYTECODE&) {}

    virtual void DSCb(const D3D12_SHADER_BYTECODE&) {}

    virtual void PSCb(const D3D12_SHADER_BYTECODE&) {}

    virtual void CSCb(const D3D12_SHADER_BYTECODE&) {}

    virtual void ASCb(const D3D12_SHADER_BYTECODE&) {}

    virtual void MSCb(const D3D12_SHADER_BYTECODE&) {}

    virtual void BlendStateCb(const D3D12_BLEND_DESC&) {}

    virtual void DepthStencilStateCb(const D3D12_DEPTH_STENCIL_DESC&) {}

    virtual void DepthStencilState1Cb(const D3D12_DEPTH_STENCIL_DESC1&) {}

    virtual void DSVFormatCb(DXGI_FORMAT) {}

    virtual void RasterizerStateCb(const D3D12_RASTERIZER_DESC&) {}

    virtual void RTVFormatsCb(const D3D12_RT_FORMAT_ARRAY&) {}

    virtual void SampleDescCb(const DXGI_SAMPLE_DESC&) {}

    virtual void SampleMaskCb(UINT) {}

    virtual void ViewInstancingCb(const D3D12_VIEW_INSTANCING_DESC&) {}

    virtual void CachedPSOCb(const D3D12_CACHED_PIPELINE_STATE&) {}

    // Error Callbacks
    virtual void ErrorBadInputParameter(UINT /*ParameterIndex*/) {}

    virtual void ErrorDuplicateSubobject(
        D3D12_PIPELINE_STATE_SUBOBJECT_TYPE /*DuplicateType*/)
    {}

    virtual void ErrorUnknownSubobject(UINT /*UnknownTypeValue*/) {}

    virtual ~ID3DX12PipelineParserCallbacks() = default;
};

struct D3DX12_MESH_SHADER_PIPELINE_STATE_DESC
{
    ID3D12RootSignature* pRootSignature;
    D3D12_SHADER_BYTECODE AS;
    D3D12_SHADER_BYTECODE MS;
    D3D12_SHADER_BYTECODE PS;
    D3D12_BLEND_DESC BlendState;
    UINT SampleMask;
    D3D12_RASTERIZER_DESC RasterizerState;
    D3D12_DEPTH_STENCIL_DESC DepthStencilState;
    D3D12_PRIMITIVE_TOPOLOGY_TYPE PrimitiveTopologyType;
    UINT NumRenderTargets;
    DXGI_FORMAT RTVFormats[D3D12_SIMULTANEOUS_RENDER_TARGET_COUNT];
    DXGI_FORMAT DSVFormat;
    DXGI_SAMPLE_DESC SampleDesc;
    UINT NodeMask;
    D3D12_CACHED_PIPELINE_STATE CachedPSO;
    D3D12_PIPELINE_STATE_FLAGS Flags;
};

// CD3DX12_PIPELINE_STATE_STREAM2 Works on OS Build 19041+ (where there is a new
// mesh shader pipeline). Use CD3DX12_PIPELINE_STATE_STREAM1 for OS Build 16299+
// (where there is a new view instancing subobject). Use
// CD3DX12_PIPELINE_STATE_STREAM for OS Build 15063+ support.
struct CD3DX12_PIPELINE_STATE_STREAM2
{
    CD3DX12_PIPELINE_STATE_STREAM2() = default;

    // Mesh and amplification shaders must be set manually, since they do not
    // have representation in D3D12_GRAPHICS_PIPELINE_STATE_DESC
    CD3DX12_PIPELINE_STATE_STREAM2(
        const D3D12_GRAPHICS_PIPELINE_STATE_DESC& Desc)
    noexcept
        : Flags(Desc.Flags),
          NodeMask(Desc.NodeMask),
          pRootSignature(Desc.pRootSignature),
          InputLayout(Desc.InputLayout),
          IBStripCutValue(Desc.IBStripCutValue),
          PrimitiveTopologyType(Desc.PrimitiveTopologyType),
          VS(Desc.VS),
          GS(Desc.GS),
          StreamOutput(Desc.StreamOutput),
          HS(Desc.HS),
          DS(Desc.DS),
          PS(Desc.PS),
          BlendState(CD3DX12_BLEND_DESC(Desc.BlendState)),
          DepthStencilState(
              CD3DX12_DEPTH_STENCIL_DESC1(Desc.DepthStencilState)),
          DSVFormat(Desc.DSVFormat),
          RasterizerState(CD3DX12_RASTERIZER_DESC(Desc.RasterizerState)),
          RTVFormats(
              CD3DX12_RT_FORMAT_ARRAY(Desc.RTVFormats, Desc.NumRenderTargets)),
          SampleDesc(Desc.SampleDesc),
          SampleMask(Desc.SampleMask),
          CachedPSO(Desc.CachedPSO),
          ViewInstancingDesc(CD3DX12_VIEW_INSTANCING_DESC(CD3DX12_DEFAULT()))
    {}

    CD3DX12_PIPELINE_STATE_STREAM2(
        const D3DX12_MESH_SHADER_PIPELINE_STATE_DESC& Desc)
    noexcept
        : Flags(Desc.Flags),
          NodeMask(Desc.NodeMask),
          pRootSignature(Desc.pRootSignature),
          PrimitiveTopologyType(Desc.PrimitiveTopologyType),
          PS(Desc.PS),
          AS(Desc.AS),
          MS(Desc.MS),
          BlendState(CD3DX12_BLEND_DESC(Desc.BlendState)),
          DepthStencilState(
              CD3DX12_DEPTH_STENCIL_DESC1(Desc.DepthStencilState)),
          DSVFormat(Desc.DSVFormat),
          RasterizerState(CD3DX12_RASTERIZER_DESC(Desc.RasterizerState)),
          RTVFormats(
              CD3DX12_RT_FORMAT_ARRAY(Desc.RTVFormats, Desc.NumRenderTargets)),
          SampleDesc(Desc.SampleDesc),
          SampleMask(Desc.SampleMask),
          CachedPSO(Desc.CachedPSO),
          ViewInstancingDesc(CD3DX12_VIEW_INSTANCING_DESC(CD3DX12_DEFAULT()))
    {}

    CD3DX12_PIPELINE_STATE_STREAM2(
        const D3D12_COMPUTE_PIPELINE_STATE_DESC& Desc)
    noexcept
        : Flags(Desc.Flags),
          NodeMask(Desc.NodeMask),
          pRootSignature(Desc.pRootSignature),
          CS(CD3DX12_SHADER_BYTECODE(Desc.CS)),
          CachedPSO(Desc.CachedPSO)
    {
        static_cast<D3D12_DEPTH_STENCIL_DESC1&>(DepthStencilState).DepthEnable
            = false;
    }

    CD3DX12_PIPELINE_STATE_STREAM_FLAGS Flags;
    CD3DX12_PIPELINE_STATE_STREAM_NODE_MASK NodeMask;
    CD3DX12_PIPELINE_STATE_STREAM_ROOT_SIGNATURE pRootSignature;
    CD3DX12_PIPELINE_STATE_STREAM_INPUT_LAYOUT InputLayout;
    CD3DX12_PIPELINE_STATE_STREAM_IB_STRIP_CUT_VALUE IBStripCutValue;
    CD3DX12_PIPELINE_STATE_STREAM_PRIMITIVE_TOPOLOGY PrimitiveTopologyType;
    CD3DX12_PIPELINE_STATE_STREAM_VS VS;
    CD3DX12_PIPELINE_STATE_STREAM_GS GS;
    CD3DX12_PIPELINE_STATE_STREAM_STREAM_OUTPUT StreamOutput;
    CD3DX12_PIPELINE_STATE_STREAM_HS HS;
    CD3DX12_PIPELINE_STATE_STREAM_DS DS;
    CD3DX12_PIPELINE_STATE_STREAM_PS PS;
    CD3DX12_PIPELINE_STATE_STREAM_AS AS;
    CD3DX12_PIPELINE_STATE_STREAM_MS MS;
    CD3DX12_PIPELINE_STATE_STREAM_CS CS;
    CD3DX12_PIPELINE_STATE_STREAM_BLEND_DESC BlendState;
    CD3DX12_PIPELINE_STATE_STREAM_DEPTH_STENCIL1 DepthStencilState;
    CD3DX12_PIPELINE_STATE_STREAM_DEPTH_STENCIL_FORMAT DSVFormat;
    CD3DX12_PIPELINE_STATE_STREAM_RASTERIZER RasterizerState;
    CD3DX12_PIPELINE_STATE_STREAM_RENDER_TARGET_FORMATS RTVFormats;
    CD3DX12_PIPELINE_STATE_STREAM_SAMPLE_DESC SampleDesc;
    CD3DX12_PIPELINE_STATE_STREAM_SAMPLE_MASK SampleMask;
    CD3DX12_PIPELINE_STATE_STREAM_CACHED_PSO CachedPSO;
    CD3DX12_PIPELINE_STATE_STREAM_VIEW_INSTANCING ViewInstancingDesc;

    D3D12_GRAPHICS_PIPELINE_STATE_DESC GraphicsDescV0() const noexcept
    {
        D3D12_GRAPHICS_PIPELINE_STATE_DESC D;
        D.Flags = this->Flags;
        D.NodeMask = this->NodeMask;
        D.pRootSignature = this->pRootSignature;
        D.InputLayout = this->InputLayout;
        D.IBStripCutValue = this->IBStripCutValue;
        D.PrimitiveTopologyType = this->PrimitiveTopologyType;
        D.VS = this->VS;
        D.GS = this->GS;
        D.StreamOutput = this->StreamOutput;
        D.HS = this->HS;
        D.DS = this->DS;
        D.PS = this->PS;
        D.BlendState = this->BlendState;
        D.DepthStencilState = CD3DX12_DEPTH_STENCIL_DESC1(
            D3D12_DEPTH_STENCIL_DESC1(this->DepthStencilState));
        D.DSVFormat = this->DSVFormat;
        D.RasterizerState = this->RasterizerState;
        D.NumRenderTargets
            = D3D12_RT_FORMAT_ARRAY(this->RTVFormats).NumRenderTargets;
        memcpy(D.RTVFormats,
            D3D12_RT_FORMAT_ARRAY(this->RTVFormats).RTFormats,
            sizeof(D.RTVFormats));
        D.SampleDesc = this->SampleDesc;
        D.SampleMask = this->SampleMask;
        D.CachedPSO = this->CachedPSO;
        return D;
    }

    D3D12_COMPUTE_PIPELINE_STATE_DESC ComputeDescV0() const noexcept
    {
        D3D12_COMPUTE_PIPELINE_STATE_DESC D;
        D.Flags = this->Flags;
        D.NodeMask = this->NodeMask;
        D.pRootSignature = this->pRootSignature;
        D.CS = this->CS;
        D.CachedPSO = this->CachedPSO;
        return D;
    }
};

// CD3DX12_PIPELINE_STATE_STREAM1 Works on OS Build 16299+ (where there is a new
// view instancing subobject). Use CD3DX12_PIPELINE_STATE_STREAM for OS Build
// 15063+ support.
struct CD3DX12_PIPELINE_STATE_STREAM1
{
    CD3DX12_PIPELINE_STATE_STREAM1() = default;

    // Mesh and amplification shaders must be set manually, since they do not
    // have representation in D3D12_GRAPHICS_PIPELINE_STATE_DESC
    CD3DX12_PIPELINE_STATE_STREAM1(
        const D3D12_GRAPHICS_PIPELINE_STATE_DESC& Desc)
    noexcept
        : Flags(Desc.Flags),
          NodeMask(Desc.NodeMask),
          pRootSignature(Desc.pRootSignature),
          InputLayout(Desc.InputLayout),
          IBStripCutValue(Desc.IBStripCutValue),
          PrimitiveTopologyType(Desc.PrimitiveTopologyType),
          VS(Desc.VS),
          GS(Desc.GS),
          StreamOutput(Desc.StreamOutput),
          HS(Desc.HS),
          DS(Desc.DS),
          PS(Desc.PS),
          BlendState(CD3DX12_BLEND_DESC(Desc.BlendState)),
          DepthStencilState(
              CD3DX12_DEPTH_STENCIL_DESC1(Desc.DepthStencilState)),
          DSVFormat(Desc.DSVFormat),
          RasterizerState(CD3DX12_RASTERIZER_DESC(Desc.RasterizerState)),
          RTVFormats(
              CD3DX12_RT_FORMAT_ARRAY(Desc.RTVFormats, Desc.NumRenderTargets)),
          SampleDesc(Desc.SampleDesc),
          SampleMask(Desc.SampleMask),
          CachedPSO(Desc.CachedPSO),
          ViewInstancingDesc(CD3DX12_VIEW_INSTANCING_DESC(CD3DX12_DEFAULT()))
    {}

    CD3DX12_PIPELINE_STATE_STREAM1(
        const D3DX12_MESH_SHADER_PIPELINE_STATE_DESC& Desc)
    noexcept
        : Flags(Desc.Flags),
          NodeMask(Desc.NodeMask),
          pRootSignature(Desc.pRootSignature),
          PrimitiveTopologyType(Desc.PrimitiveTopologyType),
          PS(Desc.PS),
          BlendState(CD3DX12_BLEND_DESC(Desc.BlendState)),
          DepthStencilState(
              CD3DX12_DEPTH_STENCIL_DESC1(Desc.DepthStencilState)),
          DSVFormat(Desc.DSVFormat),
          RasterizerState(CD3DX12_RASTERIZER_DESC(Desc.RasterizerState)),
          RTVFormats(
              CD3DX12_RT_FORMAT_ARRAY(Desc.RTVFormats, Desc.NumRenderTargets)),
          SampleDesc(Desc.SampleDesc),
          SampleMask(Desc.SampleMask),
          CachedPSO(Desc.CachedPSO),
          ViewInstancingDesc(CD3DX12_VIEW_INSTANCING_DESC(CD3DX12_DEFAULT()))
    {}

    CD3DX12_PIPELINE_STATE_STREAM1(
        const D3D12_COMPUTE_PIPELINE_STATE_DESC& Desc)
    noexcept
        : Flags(Desc.Flags),
          NodeMask(Desc.NodeMask),
          pRootSignature(Desc.pRootSignature),
          CS(CD3DX12_SHADER_BYTECODE(Desc.CS)),
          CachedPSO(Desc.CachedPSO)
    {
        static_cast<D3D12_DEPTH_STENCIL_DESC1&>(DepthStencilState).DepthEnable
            = false;
    }

    CD3DX12_PIPELINE_STATE_STREAM_FLAGS Flags;
    CD3DX12_PIPELINE_STATE_STREAM_NODE_MASK NodeMask;
    CD3DX12_PIPELINE_STATE_STREAM_ROOT_SIGNATURE pRootSignature;
    CD3DX12_PIPELINE_STATE_STREAM_INPUT_LAYOUT InputLayout;
    CD3DX12_PIPELINE_STATE_STREAM_IB_STRIP_CUT_VALUE IBStripCutValue;
    CD3DX12_PIPELINE_STATE_STREAM_PRIMITIVE_TOPOLOGY PrimitiveTopologyType;
    CD3DX12_PIPELINE_STATE_STREAM_VS VS;
    CD3DX12_PIPELINE_STATE_STREAM_GS GS;
    CD3DX12_PIPELINE_STATE_STREAM_STREAM_OUTPUT StreamOutput;
    CD3DX12_PIPELINE_STATE_STREAM_HS HS;
    CD3DX12_PIPELINE_STATE_STREAM_DS DS;
    CD3DX12_PIPELINE_STATE_STREAM_PS PS;
    CD3DX12_PIPELINE_STATE_STREAM_CS CS;
    CD3DX12_PIPELINE_STATE_STREAM_BLEND_DESC BlendState;
    CD3DX12_PIPELINE_STATE_STREAM_DEPTH_STENCIL1 DepthStencilState;
    CD3DX12_PIPELINE_STATE_STREAM_DEPTH_STENCIL_FORMAT DSVFormat;
    CD3DX12_PIPELINE_STATE_STREAM_RASTERIZER RasterizerState;
    CD3DX12_PIPELINE_STATE_STREAM_RENDER_TARGET_FORMATS RTVFormats;
    CD3DX12_PIPELINE_STATE_STREAM_SAMPLE_DESC SampleDesc;
    CD3DX12_PIPELINE_STATE_STREAM_SAMPLE_MASK SampleMask;
    CD3DX12_PIPELINE_STATE_STREAM_CACHED_PSO CachedPSO;
    CD3DX12_PIPELINE_STATE_STREAM_VIEW_INSTANCING ViewInstancingDesc;

    D3D12_GRAPHICS_PIPELINE_STATE_DESC GraphicsDescV0() const noexcept
    {
        D3D12_GRAPHICS_PIPELINE_STATE_DESC D;
        D.Flags = this->Flags;
        D.NodeMask = this->NodeMask;
        D.pRootSignature = this->pRootSignature;
        D.InputLayout = this->InputLayout;
        D.IBStripCutValue = this->IBStripCutValue;
        D.PrimitiveTopologyType = this->PrimitiveTopologyType;
        D.VS = this->VS;
        D.GS = this->GS;
        D.StreamOutput = this->StreamOutput;
        D.HS = this->HS;
        D.DS = this->DS;
        D.PS = this->PS;
        D.BlendState = this->BlendState;
        D.DepthStencilState = CD3DX12_DEPTH_STENCIL_DESC1(
            D3D12_DEPTH_STENCIL_DESC1(this->DepthStencilState));
        D.DSVFormat = this->DSVFormat;
        D.RasterizerState = this->RasterizerState;
        D.NumRenderTargets
            = D3D12_RT_FORMAT_ARRAY(this->RTVFormats).NumRenderTargets;
        memcpy(D.RTVFormats,
            D3D12_RT_FORMAT_ARRAY(this->RTVFormats).RTFormats,
            sizeof(D.RTVFormats));
        D.SampleDesc = this->SampleDesc;
        D.SampleMask = this->SampleMask;
        D.CachedPSO = this->CachedPSO;
        return D;
    }

    D3D12_COMPUTE_PIPELINE_STATE_DESC ComputeDescV0() const noexcept
    {
        D3D12_COMPUTE_PIPELINE_STATE_DESC D;
        D.Flags = this->Flags;
        D.NodeMask = this->NodeMask;
        D.pRootSignature = this->pRootSignature;
        D.CS = this->CS;
        D.CachedPSO = this->CachedPSO;
        return D;
    }
};

struct CD3DX12_PIPELINE_MESH_STATE_STREAM
{
    CD3DX12_PIPELINE_MESH_STATE_STREAM() = default;

    CD3DX12_PIPELINE_MESH_STATE_STREAM(
        const D3DX12_MESH_SHADER_PIPELINE_STATE_DESC& Desc)
    noexcept
        : Flags(Desc.Flags),
          NodeMask(Desc.NodeMask),
          pRootSignature(Desc.pRootSignature),
          PS(Desc.PS),
          AS(Desc.AS),
          MS(Desc.MS),
          BlendState(CD3DX12_BLEND_DESC(Desc.BlendState)),
          DepthStencilState(
              CD3DX12_DEPTH_STENCIL_DESC1(Desc.DepthStencilState)),
          DSVFormat(Desc.DSVFormat),
          RasterizerState(CD3DX12_RASTERIZER_DESC(Desc.RasterizerState)),
          RTVFormats(
              CD3DX12_RT_FORMAT_ARRAY(Desc.RTVFormats, Desc.NumRenderTargets)),
          SampleDesc(Desc.SampleDesc),
          SampleMask(Desc.SampleMask),
          CachedPSO(Desc.CachedPSO),
          ViewInstancingDesc(CD3DX12_VIEW_INSTANCING_DESC(CD3DX12_DEFAULT()))
    {}

    CD3DX12_PIPELINE_STATE_STREAM_FLAGS Flags;
    CD3DX12_PIPELINE_STATE_STREAM_NODE_MASK NodeMask;
    CD3DX12_PIPELINE_STATE_STREAM_ROOT_SIGNATURE pRootSignature;
    CD3DX12_PIPELINE_STATE_STREAM_PS PS;
    CD3DX12_PIPELINE_STATE_STREAM_AS AS;
    CD3DX12_PIPELINE_STATE_STREAM_MS MS;
    CD3DX12_PIPELINE_STATE_STREAM_BLEND_DESC BlendState;
    CD3DX12_PIPELINE_STATE_STREAM_DEPTH_STENCIL1 DepthStencilState;
    CD3DX12_PIPELINE_STATE_STREAM_DEPTH_STENCIL_FORMAT DSVFormat;
    CD3DX12_PIPELINE_STATE_STREAM_RASTERIZER RasterizerState;
    CD3DX12_PIPELINE_STATE_STREAM_RENDER_TARGET_FORMATS RTVFormats;
    CD3DX12_PIPELINE_STATE_STREAM_SAMPLE_DESC SampleDesc;
    CD3DX12_PIPELINE_STATE_STREAM_SAMPLE_MASK SampleMask;
    CD3DX12_PIPELINE_STATE_STREAM_CACHED_PSO CachedPSO;
    CD3DX12_PIPELINE_STATE_STREAM_VIEW_INSTANCING ViewInstancingDesc;

    D3DX12_MESH_SHADER_PIPELINE_STATE_DESC MeshShaderDescV0() const noexcept
    {
        D3DX12_MESH_SHADER_PIPELINE_STATE_DESC D;
        D.Flags = this->Flags;
        D.NodeMask = this->NodeMask;
        D.pRootSignature = this->pRootSignature;
        D.PS = this->PS;
        D.AS = this->AS;
        D.MS = this->MS;
        D.BlendState = this->BlendState;
        D.DepthStencilState = CD3DX12_DEPTH_STENCIL_DESC1(
            D3D12_DEPTH_STENCIL_DESC1(this->DepthStencilState));
        D.DSVFormat = this->DSVFormat;
        D.RasterizerState = this->RasterizerState;
        D.NumRenderTargets
            = D3D12_RT_FORMAT_ARRAY(this->RTVFormats).NumRenderTargets;
        memcpy(D.RTVFormats,
            D3D12_RT_FORMAT_ARRAY(this->RTVFormats).RTFormats,
            sizeof(D.RTVFormats));
        D.SampleDesc = this->SampleDesc;
        D.SampleMask = this->SampleMask;
        D.CachedPSO = this->CachedPSO;
        return D;
    }
};

// CD3DX12_PIPELINE_STATE_STREAM works on OS Build 15063+ but does not support
// new subobject(s) added in OS Build 16299+. See CD3DX12_PIPELINE_STATE_STREAM1
// for instance.
struct CD3DX12_PIPELINE_STATE_STREAM
{
    CD3DX12_PIPELINE_STATE_STREAM() = default;

    CD3DX12_PIPELINE_STATE_STREAM(
        const D3D12_GRAPHICS_PIPELINE_STATE_DESC& Desc)
    noexcept
        : Flags(Desc.Flags),
          NodeMask(Desc.NodeMask),
          pRootSignature(Desc.pRootSignature),
          InputLayout(Desc.InputLayout),
          IBStripCutValue(Desc.IBStripCutValue),
          PrimitiveTopologyType(Desc.PrimitiveTopologyType),
          VS(Desc.VS),
          GS(Desc.GS),
          StreamOutput(Desc.StreamOutput),
          HS(Desc.HS),
          DS(Desc.DS),
          PS(Desc.PS),
          BlendState(CD3DX12_BLEND_DESC(Desc.BlendState)),
          DepthStencilState(
              CD3DX12_DEPTH_STENCIL_DESC1(Desc.DepthStencilState)),
          DSVFormat(Desc.DSVFormat),
          RasterizerState(CD3DX12_RASTERIZER_DESC(Desc.RasterizerState)),
          RTVFormats(
              CD3DX12_RT_FORMAT_ARRAY(Desc.RTVFormats, Desc.NumRenderTargets)),
          SampleDesc(Desc.SampleDesc),
          SampleMask(Desc.SampleMask),
          CachedPSO(Desc.CachedPSO)
    {}

    CD3DX12_PIPELINE_STATE_STREAM(const D3D12_COMPUTE_PIPELINE_STATE_DESC& Desc)
    noexcept
        : Flags(Desc.Flags),
          NodeMask(Desc.NodeMask),
          pRootSignature(Desc.pRootSignature),
          CS(CD3DX12_SHADER_BYTECODE(Desc.CS)),
          CachedPSO(Desc.CachedPSO)
    {}

    CD3DX12_PIPELINE_STATE_STREAM_FLAGS Flags;
    CD3DX12_PIPELINE_STATE_STREAM_NODE_MASK NodeMask;
    CD3DX12_PIPELINE_STATE_STREAM_ROOT_SIGNATURE pRootSignature;
    CD3DX12_PIPELINE_STATE_STREAM_INPUT_LAYOUT InputLayout;
    CD3DX12_PIPELINE_STATE_STREAM_IB_STRIP_CUT_VALUE IBStripCutValue;
    CD3DX12_PIPELINE_STATE_STREAM_PRIMITIVE_TOPOLOGY PrimitiveTopologyType;
    CD3DX12_PIPELINE_STATE_STREAM_VS VS;
    CD3DX12_PIPELINE_STATE_STREAM_GS GS;
    CD3DX12_PIPELINE_STATE_STREAM_STREAM_OUTPUT StreamOutput;
    CD3DX12_PIPELINE_STATE_STREAM_HS HS;
    CD3DX12_PIPELINE_STATE_STREAM_DS DS;
    CD3DX12_PIPELINE_STATE_STREAM_PS PS;
    CD3DX12_PIPELINE_STATE_STREAM_CS CS;
    CD3DX12_PIPELINE_STATE_STREAM_BLEND_DESC BlendState;
    CD3DX12_PIPELINE_STATE_STREAM_DEPTH_STENCIL1 DepthStencilState;
    CD3DX12_PIPELINE_STATE_STREAM_DEPTH_STENCIL_FORMAT DSVFormat;
    CD3DX12_PIPELINE_STATE_STREAM_RASTERIZER RasterizerState;
    CD3DX12_PIPELINE_STATE_STREAM_RENDER_TARGET_FORMATS RTVFormats;
    CD3DX12_PIPELINE_STATE_STREAM_SAMPLE_DESC SampleDesc;
    CD3DX12_PIPELINE_STATE_STREAM_SAMPLE_MASK SampleMask;
    CD3DX12_PIPELINE_STATE_STREAM_CACHED_PSO CachedPSO;

    D3D12_GRAPHICS_PIPELINE_STATE_DESC GraphicsDescV0() const noexcept
    {
        D3D12_GRAPHICS_PIPELINE_STATE_DESC D;
        D.Flags = this->Flags;
        D.NodeMask = this->NodeMask;
        D.pRootSignature = this->pRootSignature;
        D.InputLayout = this->InputLayout;
        D.IBStripCutValue = this->IBStripCutValue;
        D.PrimitiveTopologyType = this->PrimitiveTopologyType;
        D.VS = this->VS;
        D.GS = this->GS;
        D.StreamOutput = this->StreamOutput;
        D.HS = this->HS;
        D.DS = this->DS;
        D.PS = this->PS;
        D.BlendState = this->BlendState;
        D.DepthStencilState = CD3DX12_DEPTH_STENCIL_DESC1(
            D3D12_DEPTH_STENCIL_DESC1(this->DepthStencilState));
        D.DSVFormat = this->DSVFormat;
        D.RasterizerState = this->RasterizerState;
        D.NumRenderTargets
            = D3D12_RT_FORMAT_ARRAY(this->RTVFormats).NumRenderTargets;
        memcpy(D.RTVFormats,
            D3D12_RT_FORMAT_ARRAY(this->RTVFormats).RTFormats,
            sizeof(D.RTVFormats));
        D.SampleDesc = this->SampleDesc;
        D.SampleMask = this->SampleMask;
        D.CachedPSO = this->CachedPSO;
        return D;
    }

    D3D12_COMPUTE_PIPELINE_STATE_DESC ComputeDescV0() const noexcept
    {
        D3D12_COMPUTE_PIPELINE_STATE_DESC D;
        D.Flags = this->Flags;
        D.NodeMask = this->NodeMask;
        D.pRootSignature = this->pRootSignature;
        D.CS = this->CS;
        D.CachedPSO = this->CachedPSO;
        return D;
    }
};

struct CD3DX12_PIPELINE_STATE_STREAM2_PARSE_HELPER
    : public ID3DX12PipelineParserCallbacks
{
    CD3DX12_PIPELINE_STATE_STREAM2 PipelineStream;

    CD3DX12_PIPELINE_STATE_STREAM2_PARSE_HELPER()
    noexcept
        : SeenDSS(false)
    {
        // Adjust defaults to account for absent members.
        PipelineStream.PrimitiveTopologyType
            = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;

        // Depth disabled if no DSV format specified.
        static_cast<D3D12_DEPTH_STENCIL_DESC1&>(
            PipelineStream.DepthStencilState)
            .DepthEnable
            = false;
    }

    // ID3DX12PipelineParserCallbacks
    void FlagsCb(D3D12_PIPELINE_STATE_FLAGS Flags) override
    {
        PipelineStream.Flags = Flags;
    }

    void NodeMaskCb(UINT NodeMask) override
    {
        PipelineStream.NodeMask = NodeMask;
    }

    void RootSignatureCb(ID3D12RootSignature* pRootSignature) override
    {
        PipelineStream.pRootSignature = pRootSignature;
    }

    void InputLayoutCb(const D3D12_INPUT_LAYOUT_DESC& InputLayout) override
    {
        PipelineStream.InputLayout = InputLayout;
    }

    void IBStripCutValueCb(
        D3D12_INDEX_BUFFER_STRIP_CUT_VALUE IBStripCutValue) override
    {
        PipelineStream.IBStripCutValue = IBStripCutValue;
    }

    void PrimitiveTopologyTypeCb(
        D3D12_PRIMITIVE_TOPOLOGY_TYPE PrimitiveTopologyType) override
    {
        PipelineStream.PrimitiveTopologyType = PrimitiveTopologyType;
    }

    void VSCb(const D3D12_SHADER_BYTECODE& VS) override
    {
        PipelineStream.VS = VS;
    }

    void GSCb(const D3D12_SHADER_BYTECODE& GS) override
    {
        PipelineStream.GS = GS;
    }

    void StreamOutputCb(const D3D12_STREAM_OUTPUT_DESC& StreamOutput) override
    {
        PipelineStream.StreamOutput = StreamOutput;
    }

    void HSCb(const D3D12_SHADER_BYTECODE& HS) override
    {
        PipelineStream.HS = HS;
    }

    void DSCb(const D3D12_SHADER_BYTECODE& DS) override
    {
        PipelineStream.DS = DS;
    }

    void PSCb(const D3D12_SHADER_BYTECODE& PS) override
    {
        PipelineStream.PS = PS;
    }

    void CSCb(const D3D12_SHADER_BYTECODE& CS) override
    {
        PipelineStream.CS = CS;
    }

    void ASCb(const D3D12_SHADER_BYTECODE& AS) override
    {
        PipelineStream.AS = AS;
    }

    void MSCb(const D3D12_SHADER_BYTECODE& MS) override
    {
        PipelineStream.MS = MS;
    }

    void BlendStateCb(const D3D12_BLEND_DESC& BlendState) override
    {
        PipelineStream.BlendState = CD3DX12_BLEND_DESC(BlendState);
    }

    void DepthStencilStateCb(
        const D3D12_DEPTH_STENCIL_DESC& DepthStencilState) override
    {
        PipelineStream.DepthStencilState
            = CD3DX12_DEPTH_STENCIL_DESC1(DepthStencilState);
        SeenDSS = true;
    }

    void DepthStencilState1Cb(
        const D3D12_DEPTH_STENCIL_DESC1& DepthStencilState) override
    {
        PipelineStream.DepthStencilState
            = CD3DX12_DEPTH_STENCIL_DESC1(DepthStencilState);
        SeenDSS = true;
    }

    void DSVFormatCb(DXGI_FORMAT DSVFormat) override
    {
        PipelineStream.DSVFormat = DSVFormat;
        if (!SeenDSS && DSVFormat != DXGI_FORMAT_UNKNOWN)
        {
            // Re-enable depth for the default state.
            static_cast<D3D12_DEPTH_STENCIL_DESC1&>(
                PipelineStream.DepthStencilState)
                .DepthEnable
                = true;
        }
    }

    void RasterizerStateCb(
        const D3D12_RASTERIZER_DESC& RasterizerState) override
    {
        PipelineStream.RasterizerState
            = CD3DX12_RASTERIZER_DESC(RasterizerState);
    }

    void RTVFormatsCb(const D3D12_RT_FORMAT_ARRAY& RTVFormats) override
    {
        PipelineStream.RTVFormats = RTVFormats;
    }

    void SampleDescCb(const DXGI_SAMPLE_DESC& SampleDesc) override
    {
        PipelineStream.SampleDesc = SampleDesc;
    }

    void SampleMaskCb(UINT SampleMask) override
    {
        PipelineStream.SampleMask = SampleMask;
    }

    void ViewInstancingCb(
        const D3D12_VIEW_INSTANCING_DESC& ViewInstancingDesc) override
    {
        PipelineStream.ViewInstancingDesc
            = CD3DX12_VIEW_INSTANCING_DESC(ViewInstancingDesc);
    }

    void CachedPSOCb(const D3D12_CACHED_PIPELINE_STATE& CachedPSO) override
    {
        PipelineStream.CachedPSO = CachedPSO;
    }

private:
    bool SeenDSS;
};

struct CD3DX12_PIPELINE_STATE_STREAM_PARSE_HELPER
    : public ID3DX12PipelineParserCallbacks
{
    CD3DX12_PIPELINE_STATE_STREAM1 PipelineStream;

    CD3DX12_PIPELINE_STATE_STREAM_PARSE_HELPER()
    noexcept
        : SeenDSS(false)
    {
        // Adjust defaults to account for absent members.
        PipelineStream.PrimitiveTopologyType
            = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;

        // Depth disabled if no DSV format specified.
        static_cast<D3D12_DEPTH_STENCIL_DESC1&>(
            PipelineStream.DepthStencilState)
            .DepthEnable
            = false;
    }

    // ID3DX12PipelineParserCallbacks
    void FlagsCb(D3D12_PIPELINE_STATE_FLAGS Flags) override
    {
        PipelineStream.Flags = Flags;
    }

    void NodeMaskCb(UINT NodeMask) override
    {
        PipelineStream.NodeMask = NodeMask;
    }

    void RootSignatureCb(ID3D12RootSignature* pRootSignature) override
    {
        PipelineStream.pRootSignature = pRootSignature;
    }

    void InputLayoutCb(const D3D12_INPUT_LAYOUT_DESC& InputLayout) override
    {
        PipelineStream.InputLayout = InputLayout;
    }

    void IBStripCutValueCb(
        D3D12_INDEX_BUFFER_STRIP_CUT_VALUE IBStripCutValue) override
    {
        PipelineStream.IBStripCutValue = IBStripCutValue;
    }

    void PrimitiveTopologyTypeCb(
        D3D12_PRIMITIVE_TOPOLOGY_TYPE PrimitiveTopologyType) override
    {
        PipelineStream.PrimitiveTopologyType = PrimitiveTopologyType;
    }

    void VSCb(const D3D12_SHADER_BYTECODE& VS) override
    {
        PipelineStream.VS = VS;
    }

    void GSCb(const D3D12_SHADER_BYTECODE& GS) override
    {
        PipelineStream.GS = GS;
    }

    void StreamOutputCb(const D3D12_STREAM_OUTPUT_DESC& StreamOutput) override
    {
        PipelineStream.StreamOutput = StreamOutput;
    }

    void HSCb(const D3D12_SHADER_BYTECODE& HS) override
    {
        PipelineStream.HS = HS;
    }

    void DSCb(const D3D12_SHADER_BYTECODE& DS) override
    {
        PipelineStream.DS = DS;
    }

    void PSCb(const D3D12_SHADER_BYTECODE& PS) override
    {
        PipelineStream.PS = PS;
    }

    void CSCb(const D3D12_SHADER_BYTECODE& CS) override
    {
        PipelineStream.CS = CS;
    }

    void BlendStateCb(const D3D12_BLEND_DESC& BlendState) override
    {
        PipelineStream.BlendState = CD3DX12_BLEND_DESC(BlendState);
    }

    void DepthStencilStateCb(
        const D3D12_DEPTH_STENCIL_DESC& DepthStencilState) override
    {
        PipelineStream.DepthStencilState
            = CD3DX12_DEPTH_STENCIL_DESC1(DepthStencilState);
        SeenDSS = true;
    }

    void DepthStencilState1Cb(
        const D3D12_DEPTH_STENCIL_DESC1& DepthStencilState) override
    {
        PipelineStream.DepthStencilState
            = CD3DX12_DEPTH_STENCIL_DESC1(DepthStencilState);
        SeenDSS = true;
    }

    void DSVFormatCb(DXGI_FORMAT DSVFormat) override
    {
        PipelineStream.DSVFormat = DSVFormat;
        if (!SeenDSS && DSVFormat != DXGI_FORMAT_UNKNOWN)
        {
            // Re-enable depth for the default state.
            static_cast<D3D12_DEPTH_STENCIL_DESC1&>(
                PipelineStream.DepthStencilState)
                .DepthEnable
                = true;
        }
    }

    void RasterizerStateCb(
        const D3D12_RASTERIZER_DESC& RasterizerState) override
    {
        PipelineStream.RasterizerState
            = CD3DX12_RASTERIZER_DESC(RasterizerState);
    }

    void RTVFormatsCb(const D3D12_RT_FORMAT_ARRAY& RTVFormats) override
    {
        PipelineStream.RTVFormats = RTVFormats;
    }

    void SampleDescCb(const DXGI_SAMPLE_DESC& SampleDesc) override
    {
        PipelineStream.SampleDesc = SampleDesc;
    }

    void SampleMaskCb(UINT SampleMask) override
    {
        PipelineStream.SampleMask = SampleMask;
    }

    void ViewInstancingCb(
        const D3D12_VIEW_INSTANCING_DESC& ViewInstancingDesc) override
    {
        PipelineStream.ViewInstancingDesc
            = CD3DX12_VIEW_INSTANCING_DESC(ViewInstancingDesc);
    }

    void CachedPSOCb(const D3D12_CACHED_PIPELINE_STATE& CachedPSO) override
    {
        PipelineStream.CachedPSO = CachedPSO;
    }

private:
    bool SeenDSS;
};

inline D3D12_PIPELINE_STATE_SUBOBJECT_TYPE D3DX12GetBaseSubobjectType(
    D3D12_PIPELINE_STATE_SUBOBJECT_TYPE SubobjectType) noexcept
{
    switch (SubobjectType)
    {
    case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DEPTH_STENCIL1:
        return D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DEPTH_STENCIL;
    default:
        return SubobjectType;
    }
}

inline HRESULT D3DX12ParsePipelineStream(
    const D3D12_PIPELINE_STATE_STREAM_DESC& Desc,
    ID3DX12PipelineParserCallbacks* pCallbacks)
{
    if (pCallbacks == nullptr)
    {
        return E_INVALIDARG;
    }

    if (Desc.SizeInBytes == 0 || Desc.pPipelineStateSubobjectStream == nullptr)
    {
        pCallbacks->ErrorBadInputParameter(1); // first parameter issue
        return E_INVALIDARG;
    }

    bool SubobjectSeen[D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_MAX_VALID] = {};
    for (SIZE_T CurOffset = 0, SizeOfSubobject = 0;
         CurOffset < Desc.SizeInBytes;
         CurOffset += SizeOfSubobject)
    {
        BYTE* pStream = static_cast<BYTE*>(Desc.pPipelineStateSubobjectStream)
                      + CurOffset;
        auto SubobjectType
            = *reinterpret_cast<D3D12_PIPELINE_STATE_SUBOBJECT_TYPE*>(pStream);
        if (SubobjectType < 0
            || SubobjectType >= D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_MAX_VALID)
        {
            pCallbacks->ErrorUnknownSubobject(SubobjectType);
            return E_INVALIDARG;
        }
        if (SubobjectSeen[D3DX12GetBaseSubobjectType(SubobjectType)])
        {
            pCallbacks->ErrorDuplicateSubobject(SubobjectType);
            return E_INVALIDARG; // disallow subobject duplicates in a stream
        }
        SubobjectSeen[SubobjectType] = true;
        switch (SubobjectType)
        {
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_ROOT_SIGNATURE:
            pCallbacks->RootSignatureCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM::pRootSignature)*>(
                    pStream));
            SizeOfSubobject
                = sizeof(CD3DX12_PIPELINE_STATE_STREAM::pRootSignature);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_VS:
            pCallbacks->VSCb(
                *reinterpret_cast<decltype(CD3DX12_PIPELINE_STATE_STREAM::VS)*>(
                    pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::VS);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_PS:
            pCallbacks->PSCb(
                *reinterpret_cast<decltype(CD3DX12_PIPELINE_STATE_STREAM::PS)*>(
                    pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::PS);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DS:
            pCallbacks->DSCb(
                *reinterpret_cast<decltype(CD3DX12_PIPELINE_STATE_STREAM::DS)*>(
                    pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::DS);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_HS:
            pCallbacks->HSCb(
                *reinterpret_cast<decltype(CD3DX12_PIPELINE_STATE_STREAM::HS)*>(
                    pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::HS);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_GS:
            pCallbacks->GSCb(
                *reinterpret_cast<decltype(CD3DX12_PIPELINE_STATE_STREAM::GS)*>(
                    pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::GS);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_CS:
            pCallbacks->CSCb(
                *reinterpret_cast<decltype(CD3DX12_PIPELINE_STATE_STREAM::CS)*>(
                    pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::CS);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_AS:
            pCallbacks->ASCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM2::AS)*>(pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM2::AS);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_MS:
            pCallbacks->MSCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM2::MS)*>(pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM2::MS);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_STREAM_OUTPUT:
            pCallbacks->StreamOutputCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM::StreamOutput)*>(
                    pStream));
            SizeOfSubobject
                = sizeof(CD3DX12_PIPELINE_STATE_STREAM::StreamOutput);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_BLEND:
            pCallbacks->BlendStateCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM::BlendState)*>(
                    pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::BlendState);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_SAMPLE_MASK:
            pCallbacks->SampleMaskCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM::SampleMask)*>(
                    pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::SampleMask);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_RASTERIZER:
            pCallbacks->RasterizerStateCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM::RasterizerState)*>(
                    pStream));
            SizeOfSubobject
                = sizeof(CD3DX12_PIPELINE_STATE_STREAM::RasterizerState);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DEPTH_STENCIL:
            pCallbacks->DepthStencilStateCb(
                *reinterpret_cast<CD3DX12_PIPELINE_STATE_STREAM_DEPTH_STENCIL*>(
                    pStream));
            SizeOfSubobject
                = sizeof(CD3DX12_PIPELINE_STATE_STREAM_DEPTH_STENCIL);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DEPTH_STENCIL1:
            pCallbacks->DepthStencilState1Cb(
                *reinterpret_cast<decltype(CD3DX12_PIPELINE_STATE_STREAM::
                        DepthStencilState)*>(pStream));
            SizeOfSubobject
                = sizeof(CD3DX12_PIPELINE_STATE_STREAM::DepthStencilState);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_INPUT_LAYOUT:
            pCallbacks->InputLayoutCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM::InputLayout)*>(
                    pStream));
            SizeOfSubobject
                = sizeof(CD3DX12_PIPELINE_STATE_STREAM::InputLayout);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_IB_STRIP_CUT_VALUE:
            pCallbacks->IBStripCutValueCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM::IBStripCutValue)*>(
                    pStream));
            SizeOfSubobject
                = sizeof(CD3DX12_PIPELINE_STATE_STREAM::IBStripCutValue);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_PRIMITIVE_TOPOLOGY:
            pCallbacks->PrimitiveTopologyTypeCb(
                *reinterpret_cast<decltype(CD3DX12_PIPELINE_STATE_STREAM::
                        PrimitiveTopologyType)*>(pStream));
            SizeOfSubobject
                = sizeof(CD3DX12_PIPELINE_STATE_STREAM::PrimitiveTopologyType);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_RENDER_TARGET_FORMATS:
            pCallbacks->RTVFormatsCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM::RTVFormats)*>(
                    pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::RTVFormats);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_DEPTH_STENCIL_FORMAT:
            pCallbacks->DSVFormatCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM::DSVFormat)*>(
                    pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::DSVFormat);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_SAMPLE_DESC:
            pCallbacks->SampleDescCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM::SampleDesc)*>(
                    pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::SampleDesc);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_NODE_MASK:
            pCallbacks->NodeMaskCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM::NodeMask)*>(
                    pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::NodeMask);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_CACHED_PSO:
            pCallbacks->CachedPSOCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM::CachedPSO)*>(
                    pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::CachedPSO);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_FLAGS:
            pCallbacks->FlagsCb(
                *reinterpret_cast<
                    decltype(CD3DX12_PIPELINE_STATE_STREAM::Flags)*>(pStream));
            SizeOfSubobject = sizeof(CD3DX12_PIPELINE_STATE_STREAM::Flags);
            break;
        case D3D12_PIPELINE_STATE_SUBOBJECT_TYPE_VIEW_INSTANCING:
            pCallbacks->ViewInstancingCb(
                *reinterpret_cast<decltype(CD3DX12_PIPELINE_STATE_STREAM1::
                        ViewInstancingDesc)*>(pStream));
            SizeOfSubobject
                = sizeof(CD3DX12_PIPELINE_STATE_STREAM1::ViewInstancingDesc);
            break;
        default:
            pCallbacks->ErrorUnknownSubobject(SubobjectType);
            return E_INVALIDARG;
        }
    }

    return S_OK;
}

//------------------------------------------------------------------------------------------------
inline bool operator==(
    const D3D12_CLEAR_VALUE& a, const D3D12_CLEAR_VALUE& b) noexcept
{
    if (a.Format != b.Format) return false;
    if (a.Format == DXGI_FORMAT_D24_UNORM_S8_UINT
        || a.Format == DXGI_FORMAT_D16_UNORM
        || a.Format == DXGI_FORMAT_D32_FLOAT
        || a.Format == DXGI_FORMAT_D32_FLOAT_S8X24_UINT)
    {
        return (a.DepthStencil.Depth == b.DepthStencil.Depth)
            && (a.DepthStencil.Stencil == b.DepthStencil.Stencil);
    }
    else
    {
        return (a.Color[0] == b.Color[0]) && (a.Color[1] == b.Color[1])
            && (a.Color[2] == b.Color[2]) && (a.Color[3] == b.Color[3]);
    }
}

inline bool operator==(
    const D3D12_RENDER_PASS_BEGINNING_ACCESS_CLEAR_PARAMETERS& a,
    const D3D12_RENDER_PASS_BEGINNING_ACCESS_CLEAR_PARAMETERS& b) noexcept
{
    return a.ClearValue == b.ClearValue;
}

inline bool operator==(
    const D3D12_RENDER_PASS_ENDING_ACCESS_RESOLVE_PARAMETERS& a,
    const D3D12_RENDER_PASS_ENDING_ACCESS_RESOLVE_PARAMETERS& b) noexcept
{
    if (a.pSrcResource != b.pSrcResource) return false;
    if (a.pDstResource != b.pDstResource) return false;
    if (a.SubresourceCount != b.SubresourceCount) return false;
    if (a.Format != b.Format) return false;
    if (a.ResolveMode != b.ResolveMode) return false;
    if (a.PreserveResolveSource != b.PreserveResolveSource) return false;
    return true;
}

inline bool operator==(const D3D12_RENDER_PASS_BEGINNING_ACCESS& a,
    const D3D12_RENDER_PASS_BEGINNING_ACCESS& b) noexcept
{
    if (a.Type != b.Type) return false;
    if (a.Type == D3D12_RENDER_PASS_BEGINNING_ACCESS_TYPE_CLEAR
        && !(a.Clear == b.Clear))
        return false;
    return true;
}

inline bool operator==(const D3D12_RENDER_PASS_ENDING_ACCESS& a,
    const D3D12_RENDER_PASS_ENDING_ACCESS& b) noexcept
{
    if (a.Type != b.Type) return false;
    if (a.Type == D3D12_RENDER_PASS_ENDING_ACCESS_TYPE_RESOLVE
        && !(a.Resolve == b.Resolve))
        return false;
    return true;
}

inline bool operator==(const D3D12_RENDER_PASS_RENDER_TARGET_DESC& a,
    const D3D12_RENDER_PASS_RENDER_TARGET_DESC& b) noexcept
{
    if (a.cpuDescriptor.ptr != b.cpuDescriptor.ptr) return false;
    if (!(a.BeginningAccess == b.BeginningAccess)) return false;
    if (!(a.EndingAccess == b.EndingAccess)) return false;
    return true;
}

inline bool operator==(const D3D12_RENDER_PASS_DEPTH_STENCIL_DESC& a,
    const D3D12_RENDER_PASS_DEPTH_STENCIL_DESC& b) noexcept
{
    if (a.cpuDescriptor.ptr != b.cpuDescriptor.ptr) return false;
    if (!(a.DepthBeginningAccess == b.DepthBeginningAccess)) return false;
    if (!(a.StencilBeginningAccess == b.StencilBeginningAccess)) return false;
    if (!(a.DepthEndingAccess == b.DepthEndingAccess)) return false;
    if (!(a.StencilEndingAccess == b.StencilEndingAccess)) return false;
    return true;
}

#    ifndef D3DX12_NO_STATE_OBJECT_HELPERS

//================================================================================================
// D3DX12 State Object Creation Helpers
//
// Helper classes for creating new style state objects out of an arbitrary set
// of subobjects. Uses STL
//
// Start by instantiating CD3DX12_STATE_OBJECT_DESC (see it's public methods).
// One of its methods is CreateSubobject(), which has a comment showing a couple
// of options for defining subobjects using the helper classes for each
// subobject (CD3DX12_DXIL_LIBRARY_SUBOBJECT etc.). The subobject helpers each
// have methods specific to the subobject for configuring it's contents.
//
//================================================================================================
#        include <list>
#        include <memory>
#        include <string>
#        include <vector>
#        ifndef D3DX12_USE_ATL
#            include <wrl/client.h>
#            define D3DX12_COM_PTR              Microsoft::WRL::ComPtr
#            define D3DX12_COM_PTR_GET(x)       x.Get()
#            define D3DX12_COM_PTR_ADDRESSOF(x) x.GetAddressOf()
#        else
#            include <atlbase.h>
#            define D3DX12_COM_PTR              ATL::CComPtr
#            define D3DX12_COM_PTR_GET(x)       x.p
#            define D3DX12_COM_PTR_ADDRESSOF(x) &x.p
#        endif

//------------------------------------------------------------------------------------------------
class CD3DX12_STATE_OBJECT_DESC
{
public:
    CD3DX12_STATE_OBJECT_DESC() noexcept
    {
        Init(D3D12_STATE_OBJECT_TYPE_COLLECTION);
    }

    CD3DX12_STATE_OBJECT_DESC(D3D12_STATE_OBJECT_TYPE Type) noexcept
    {
        Init(Type);
    }

    void SetStateObjectType(D3D12_STATE_OBJECT_TYPE Type) noexcept
    {
        m_Desc.Type = Type;
    }

    operator const D3D12_STATE_OBJECT_DESC&()
    {
        // Do final preparation work
        m_RepointedAssociations.clear();
        m_SubobjectArray.clear();
        m_SubobjectArray.reserve(m_Desc.NumSubobjects);
        // Flatten subobjects into an array (each flattened subobject still has
        // a member that's a pointer to it's desc that's not flattened)
        for (auto Iter = m_SubobjectList.begin(); Iter != m_SubobjectList.end();
             Iter++)
        {
            m_SubobjectArray.push_back(*Iter);
            // Store new location in array so we can redirect pointers contained
            // in subobjects
            Iter->pSubobjectArrayLocation = &m_SubobjectArray.back();
        }
        // For subobjects with pointer fields, create a new copy of those
        // subobject definitions with fixed pointers
        for (UINT i = 0; i < m_Desc.NumSubobjects; i++)
        {
            if (m_SubobjectArray[i].Type
                == D3D12_STATE_SUBOBJECT_TYPE_SUBOBJECT_TO_EXPORTS_ASSOCIATION)
            {
                auto pOriginalSubobjectAssociation = static_cast<
                    const D3D12_SUBOBJECT_TO_EXPORTS_ASSOCIATION*>(
                    m_SubobjectArray[i].pDesc);
                D3D12_SUBOBJECT_TO_EXPORTS_ASSOCIATION Repointed
                    = *pOriginalSubobjectAssociation;
                auto pWrapper = static_cast<const SUBOBJECT_WRAPPER*>(
                    pOriginalSubobjectAssociation->pSubobjectToAssociate);
                Repointed.pSubobjectToAssociate
                    = pWrapper->pSubobjectArrayLocation;
                m_RepointedAssociations.push_back(Repointed);
                m_SubobjectArray[i].pDesc = &m_RepointedAssociations.back();
            }
        }
        // Below: using ugly way to get pointer in case .data() is not defined
        m_Desc.pSubobjects
            = m_Desc.NumSubobjects ? &m_SubobjectArray[0] : nullptr;
        return m_Desc;
    }

    operator const D3D12_STATE_OBJECT_DESC*()
    {
        // Cast calls the above final preparation work
        return &static_cast<const D3D12_STATE_OBJECT_DESC&>(*this);
    }

    // CreateSubobject creates a sububject helper (e.g.
    // CD3DX12_HIT_GROUP_SUBOBJECT) whose lifetime is owned by this class. e.g.
    //
    //    CD3DX12_STATE_OBJECT_DESC
    //    Collection1(D3D12_STATE_OBJECT_TYPE_COLLECTION); auto Lib0 =
    //    Collection1.CreateSubobject<CD3DX12_DXIL_LIBRARY_SUBOBJECT>();
    //    Lib0->SetDXILLibrary(&pMyAppDxilLibs[0]);
    //    Lib0->DefineExport(L"rayGenShader0"); // in practice these export
    //    listings might be
    //                                          // data/engine driven
    //    etc.
    //
    // Alternatively, users can instantiate sububject helpers explicitly, such
    // as via local variables instead, passing the state object desc that should
    // point to it into the helper constructor (or call
    // mySubobjectHelper.AddToStateObject(Collection1)). In this alternative
    // scenario, the user must keep the subobject alive as long as the state
    // object it is associated with is alive, else it's pointer references will
    // be stale. e.g.
    //
    //    CD3DX12_STATE_OBJECT_DESC
    //    RaytracingState2(D3D12_STATE_OBJECT_TYPE_RAYTRACING_PIPELINE);
    //    CD3DX12_DXIL_LIBRARY_SUBOBJECT LibA(RaytracingState2);
    //    LibA.SetDXILLibrary(&pMyAppDxilLibs[4]); // not manually specifying
    //    exports
    //                                             // - meaning all exports in
    //                                             the libraries
    //                                             // are exported
    //    etc.

    template<typename T> T* CreateSubobject()
    {
        T* pSubobject = new T(*this);
        m_OwnedSubobjectHelpers.emplace_back(pSubobject);
        return pSubobject;
    }

private:
    D3D12_STATE_SUBOBJECT* TrackSubobject(
        D3D12_STATE_SUBOBJECT_TYPE Type, void* pDesc)
    {
        SUBOBJECT_WRAPPER Subobject;
        Subobject.pSubobjectArrayLocation = nullptr;
        Subobject.Type = Type;
        Subobject.pDesc = pDesc;
        m_SubobjectList.push_back(Subobject);
        m_Desc.NumSubobjects++;
        return &m_SubobjectList.back();
    }

    void Init(D3D12_STATE_OBJECT_TYPE Type) noexcept
    {
        SetStateObjectType(Type);
        m_Desc.pSubobjects = nullptr;
        m_Desc.NumSubobjects = 0;
        m_SubobjectList.clear();
        m_SubobjectArray.clear();
        m_RepointedAssociations.clear();
    }

    typedef struct SUBOBJECT_WRAPPER : public D3D12_STATE_SUBOBJECT
    {
        D3D12_STATE_SUBOBJECT*
            pSubobjectArrayLocation; // new location when flattened into array
                                     // for repointing pointers in subobjects
    } SUBOBJECT_WRAPPER;

    D3D12_STATE_OBJECT_DESC m_Desc;
    std::list<SUBOBJECT_WRAPPER>
        m_SubobjectList; // Pointers to list nodes handed out so
                         // these can be edited live
    std::vector<D3D12_STATE_SUBOBJECT>
        m_SubobjectArray; // Built at the end, copying list contents

    std::list<D3D12_SUBOBJECT_TO_EXPORTS_ASSOCIATION>
        m_RepointedAssociations; // subobject type that contains pointers to
                                 // other subobjects, repointed to flattened
                                 // array

    class StringContainer
    {
    public:
        LPCWSTR LocalCopy(LPCWSTR string, bool bSingleString = false)
        {
            if (string)
            {
                if (bSingleString)
                {
                    m_Strings.clear();
                    m_Strings.push_back(string);
                }
                else
                {
                    m_Strings.push_back(string);
                }
                return m_Strings.back().c_str();
            }
            else
            {
                return nullptr;
            }
        }

        void clear() noexcept
        {
            m_Strings.clear();
        }

    private:
        std::list<std::wstring> m_Strings;
    };

    class SUBOBJECT_HELPER_BASE
    {
    public:
        SUBOBJECT_HELPER_BASE() noexcept
        {
            Init();
        }

        virtual ~SUBOBJECT_HELPER_BASE() = default;
        virtual D3D12_STATE_SUBOBJECT_TYPE Type() const noexcept = 0;

        void AddToStateObject(CD3DX12_STATE_OBJECT_DESC& ContainingStateObject)
        {
            m_pSubobject = ContainingStateObject.TrackSubobject(Type(), Data());
        }

    protected:
        virtual void* Data() noexcept = 0;

        void Init() noexcept
        {
            m_pSubobject = nullptr;
        }

        D3D12_STATE_SUBOBJECT* m_pSubobject;
    };

#        if (__cplusplus >= 201103L)
    std::list<std::unique_ptr<const SUBOBJECT_HELPER_BASE>>
        m_OwnedSubobjectHelpers;
#        else
    class OWNED_HELPER
    {
    public:
        OWNED_HELPER(const SUBOBJECT_HELPER_BASE* pHelper) noexcept
        {
            m_pHelper = pHelper;
        }

        ~OWNED_HELPER()
        {
            delete m_pHelper;
        }

        const SUBOBJECT_HELPER_BASE* m_pHelper;
    };

    std::list<OWNED_HELPER> m_OwnedSubobjectHelpers;
#        endif

    friend class CD3DX12_DXIL_LIBRARY_SUBOBJECT;
    friend class CD3DX12_EXISTING_COLLECTION_SUBOBJECT;
    friend class CD3DX12_SUBOBJECT_TO_EXPORTS_ASSOCIATION_SUBOBJECT;
    friend class CD3DX12_DXIL_SUBOBJECT_TO_EXPORTS_ASSOCIATION;
    friend class CD3DX12_HIT_GROUP_SUBOBJECT;
    friend class CD3DX12_RAYTRACING_SHADER_CONFIG_SUBOBJECT;
    friend class CD3DX12_RAYTRACING_PIPELINE_CONFIG_SUBOBJECT;
    friend class CD3DX12_RAYTRACING_PIPELINE_CONFIG1_SUBOBJECT;
    friend class CD3DX12_GLOBAL_ROOT_SIGNATURE_SUBOBJECT;
    friend class CD3DX12_LOCAL_ROOT_SIGNATURE_SUBOBJECT;
    friend class CD3DX12_STATE_OBJECT_CONFIG_SUBOBJECT;
    friend class CD3DX12_NODE_MASK_SUBOBJECT;
};

//------------------------------------------------------------------------------------------------
class CD3DX12_DXIL_LIBRARY_SUBOBJECT
    : public CD3DX12_STATE_OBJECT_DESC::SUBOBJECT_HELPER_BASE
{
public:
    CD3DX12_DXIL_LIBRARY_SUBOBJECT() noexcept
    {
        Init();
    }

    CD3DX12_DXIL_LIBRARY_SUBOBJECT(
        CD3DX12_STATE_OBJECT_DESC& ContainingStateObject)
    {
        Init();
        AddToStateObject(ContainingStateObject);
    }

    void SetDXILLibrary(const D3D12_SHADER_BYTECODE* pCode) noexcept
    {
        static const D3D12_SHADER_BYTECODE Default = {};
        m_Desc.DXILLibrary = pCode ? *pCode : Default;
    }

    void DefineExport(LPCWSTR Name,
        LPCWSTR ExportToRename = nullptr,
        D3D12_EXPORT_FLAGS Flags = D3D12_EXPORT_FLAG_NONE)
    {
        D3D12_EXPORT_DESC Export;
        Export.Name = m_Strings.LocalCopy(Name);
        Export.ExportToRename = m_Strings.LocalCopy(ExportToRename);
        Export.Flags = Flags;
        m_Exports.push_back(Export);
        m_Desc.pExports = &m_Exports[0]; // using ugly way to get pointer in
                                         // case .data() is not defined
        m_Desc.NumExports = static_cast<UINT>(m_Exports.size());
    }

    template<size_t N> void DefineExports(LPCWSTR (&Exports)[N])
    {
        for (UINT i = 0; i < N; i++)
        {
            DefineExport(Exports[i]);
        }
    }

    void DefineExports(const LPCWSTR* Exports, UINT N)
    {
        for (UINT i = 0; i < N; i++)
        {
            DefineExport(Exports[i]);
        }
    }

    D3D12_STATE_SUBOBJECT_TYPE Type() const noexcept override
    {
        return D3D12_STATE_SUBOBJECT_TYPE_DXIL_LIBRARY;
    }

    operator const D3D12_STATE_SUBOBJECT&() const noexcept
    {
        return *m_pSubobject;
    }

    operator const D3D12_DXIL_LIBRARY_DESC&() const noexcept
    {
        return m_Desc;
    }

private:
    void Init() noexcept
    {
        SUBOBJECT_HELPER_BASE::Init();
        m_Desc = {};
        m_Strings.clear();
        m_Exports.clear();
    }

    void* Data() noexcept override
    {
        return &m_Desc;
    }

    D3D12_DXIL_LIBRARY_DESC m_Desc;
    CD3DX12_STATE_OBJECT_DESC::StringContainer m_Strings;
    std::vector<D3D12_EXPORT_DESC> m_Exports;
};

//------------------------------------------------------------------------------------------------
class CD3DX12_EXISTING_COLLECTION_SUBOBJECT
    : public CD3DX12_STATE_OBJECT_DESC::SUBOBJECT_HELPER_BASE
{
public:
    CD3DX12_EXISTING_COLLECTION_SUBOBJECT() noexcept
    {
        Init();
    }

    CD3DX12_EXISTING_COLLECTION_SUBOBJECT(
        CD3DX12_STATE_OBJECT_DESC& ContainingStateObject)
    {
        Init();
        AddToStateObject(ContainingStateObject);
    }

    void SetExistingCollection(ID3D12StateObject* pExistingCollection) noexcept
    {
        m_Desc.pExistingCollection = pExistingCollection;
        m_CollectionRef = pExistingCollection;
    }

    void DefineExport(LPCWSTR Name,
        LPCWSTR ExportToRename = nullptr,
        D3D12_EXPORT_FLAGS Flags = D3D12_EXPORT_FLAG_NONE)
    {
        D3D12_EXPORT_DESC Export;
        Export.Name = m_Strings.LocalCopy(Name);
        Export.ExportToRename = m_Strings.LocalCopy(ExportToRename);
        Export.Flags = Flags;
        m_Exports.push_back(Export);
        m_Desc.pExports = &m_Exports[0]; // using ugly way to get pointer in
                                         // case .data() is not defined
        m_Desc.NumExports = static_cast<UINT>(m_Exports.size());
    }

    template<size_t N> void DefineExports(LPCWSTR (&Exports)[N])
    {
        for (UINT i = 0; i < N; i++)
        {
            DefineExport(Exports[i]);
        }
    }

    void DefineExports(const LPCWSTR* Exports, UINT N)
    {
        for (UINT i = 0; i < N; i++)
        {
            DefineExport(Exports[i]);
        }
    }

    D3D12_STATE_SUBOBJECT_TYPE Type() const noexcept override
    {
        return D3D12_STATE_SUBOBJECT_TYPE_EXISTING_COLLECTION;
    }

    operator const D3D12_STATE_SUBOBJECT&() const noexcept
    {
        return *m_pSubobject;
    }

    operator const D3D12_EXISTING_COLLECTION_DESC&() const noexcept
    {
        return m_Desc;
    }

private:
    void Init() noexcept
    {
        SUBOBJECT_HELPER_BASE::Init();
        m_Desc = {};
        m_CollectionRef = nullptr;
        m_Strings.clear();
        m_Exports.clear();
    }

    void* Data() noexcept override
    {
        return &m_Desc;
    }

    D3D12_EXISTING_COLLECTION_DESC m_Desc;
    D3DX12_COM_PTR<ID3D12StateObject> m_CollectionRef;
    CD3DX12_STATE_OBJECT_DESC::StringContainer m_Strings;
    std::vector<D3D12_EXPORT_DESC> m_Exports;
};

//------------------------------------------------------------------------------------------------
class CD3DX12_SUBOBJECT_TO_EXPORTS_ASSOCIATION_SUBOBJECT
    : public CD3DX12_STATE_OBJECT_DESC::SUBOBJECT_HELPER_BASE
{
public:
    CD3DX12_SUBOBJECT_TO_EXPORTS_ASSOCIATION_SUBOBJECT() noexcept
    {
        Init();
    }

    CD3DX12_SUBOBJECT_TO_EXPORTS_ASSOCIATION_SUBOBJECT(
        CD3DX12_STATE_OBJECT_DESC& ContainingStateObject)
    {
        Init();
        AddToStateObject(ContainingStateObject);
    }

    void SetSubobjectToAssociate(
        const D3D12_STATE_SUBOBJECT& SubobjectToAssociate) noexcept
    {
        m_Desc.pSubobjectToAssociate = &SubobjectToAssociate;
    }

    void AddExport(LPCWSTR Export)
    {
        m_Desc.NumExports++;
        m_Exports.push_back(m_Strings.LocalCopy(Export));
        m_Desc.pExports = &m_Exports[0]; // using ugly way to get pointer in
                                         // case .data() is not defined
    }

    template<size_t N> void AddExports(LPCWSTR (&Exports)[N])
    {
        for (UINT i = 0; i < N; i++)
        {
            AddExport(Exports[i]);
        }
    }

    void AddExports(const LPCWSTR* Exports, UINT N)
    {
        for (UINT i = 0; i < N; i++)
        {
            AddExport(Exports[i]);
        }
    }

    D3D12_STATE_SUBOBJECT_TYPE Type() const noexcept override
    {
        return D3D12_STATE_SUBOBJECT_TYPE_SUBOBJECT_TO_EXPORTS_ASSOCIATION;
    }

    operator const D3D12_STATE_SUBOBJECT&() const noexcept
    {
        return *m_pSubobject;
    }

    operator const D3D12_SUBOBJECT_TO_EXPORTS_ASSOCIATION&() const noexcept
    {
        return m_Desc;
    }

private:
    void Init() noexcept
    {
        SUBOBJECT_HELPER_BASE::Init();
        m_Desc = {};
        m_Strings.clear();
        m_Exports.clear();
    }

    void* Data() noexcept override
    {
        return &m_Desc;
    }

    D3D12_SUBOBJECT_TO_EXPORTS_ASSOCIATION m_Desc;
    CD3DX12_STATE_OBJECT_DESC::StringContainer m_Strings;
    std::vector<LPCWSTR> m_Exports;
};

//------------------------------------------------------------------------------------------------
class CD3DX12_DXIL_SUBOBJECT_TO_EXPORTS_ASSOCIATION
    : public CD3DX12_STATE_OBJECT_DESC::SUBOBJECT_HELPER_BASE
{
public:
    CD3DX12_DXIL_SUBOBJECT_TO_EXPORTS_ASSOCIATION() noexcept
    {
        Init();
    }

    CD3DX12_DXIL_SUBOBJECT_TO_EXPORTS_ASSOCIATION(
        CD3DX12_STATE_OBJECT_DESC& ContainingStateObject)
    {
        Init();
        AddToStateObject(ContainingStateObject);
    }

    void SetSubobjectNameToAssociate(LPCWSTR SubobjectToAssociate)
    {
        m_Desc.SubobjectToAssociate
            = m_SubobjectName.LocalCopy(SubobjectToAssociate, true);
    }

    void AddExport(LPCWSTR Export)
    {
        m_Desc.NumExports++;
        m_Exports.push_back(m_Strings.LocalCopy(Export));
        m_Desc.pExports = &m_Exports[0]; // using ugly way to get pointer in
                                         // case .data() is not defined
    }

    template<size_t N> void AddExports(LPCWSTR (&Exports)[N])
    {
        for (UINT i = 0; i < N; i++)
        {
            AddExport(Exports[i]);
        }
    }

    void AddExports(const LPCWSTR* Exports, UINT N)
    {
        for (UINT i = 0; i < N; i++)
        {
            AddExport(Exports[i]);
        }
    }

    D3D12_STATE_SUBOBJECT_TYPE Type() const noexcept override
    {
        return D3D12_STATE_SUBOBJECT_TYPE_DXIL_SUBOBJECT_TO_EXPORTS_ASSOCIATION;
    }

    operator const D3D12_STATE_SUBOBJECT&() const noexcept
    {
        return *m_pSubobject;
    }

    operator const D3D12_DXIL_SUBOBJECT_TO_EXPORTS_ASSOCIATION&() const noexcept
    {
        return m_Desc;
    }

private:
    void Init() noexcept
    {
        SUBOBJECT_HELPER_BASE::Init();
        m_Desc = {};
        m_Strings.clear();
        m_SubobjectName.clear();
        m_Exports.clear();
    }

    void* Data() noexcept override
    {
        return &m_Desc;
    }

    D3D12_DXIL_SUBOBJECT_TO_EXPORTS_ASSOCIATION m_Desc;
    CD3DX12_STATE_OBJECT_DESC::StringContainer m_Strings;
    CD3DX12_STATE_OBJECT_DESC::StringContainer m_SubobjectName;
    std::vector<LPCWSTR> m_Exports;
};

//------------------------------------------------------------------------------------------------
class CD3DX12_HIT_GROUP_SUBOBJECT
    : public CD3DX12_STATE_OBJECT_DESC::SUBOBJECT_HELPER_BASE
{
public:
    CD3DX12_HIT_GROUP_SUBOBJECT() noexcept
    {
        Init();
    }

    CD3DX12_HIT_GROUP_SUBOBJECT(
        CD3DX12_STATE_OBJECT_DESC& ContainingStateObject)
    {
        Init();
        AddToStateObject(ContainingStateObject);
    }

    void SetHitGroupExport(LPCWSTR exportName)
    {
        m_Desc.HitGroupExport = m_Strings[0].LocalCopy(exportName, true);
    }

    void SetHitGroupType(D3D12_HIT_GROUP_TYPE Type) noexcept
    {
        m_Desc.Type = Type;
    }

    void SetAnyHitShaderImport(LPCWSTR importName)
    {
        m_Desc.AnyHitShaderImport = m_Strings[1].LocalCopy(importName, true);
    }

    void SetClosestHitShaderImport(LPCWSTR importName)
    {
        m_Desc.ClosestHitShaderImport
            = m_Strings[2].LocalCopy(importName, true);
    }

    void SetIntersectionShaderImport(LPCWSTR importName)
    {
        m_Desc.IntersectionShaderImport
            = m_Strings[3].LocalCopy(importName, true);
    }

    D3D12_STATE_SUBOBJECT_TYPE Type() const noexcept override
    {
        return D3D12_STATE_SUBOBJECT_TYPE_HIT_GROUP;
    }

    operator const D3D12_STATE_SUBOBJECT&() const noexcept
    {
        return *m_pSubobject;
    }

    operator const D3D12_HIT_GROUP_DESC&() const noexcept
    {
        return m_Desc;
    }

private:
    void Init() noexcept
    {
        SUBOBJECT_HELPER_BASE::Init();
        m_Desc = {};
        for (UINT i = 0; i < m_NumStrings; i++)
        {
            m_Strings[i].clear();
        }
    }

    void* Data() noexcept override
    {
        return &m_Desc;
    }

    D3D12_HIT_GROUP_DESC m_Desc;
    static const UINT m_NumStrings = 4;
    CD3DX12_STATE_OBJECT_DESC::StringContainer
        m_Strings[m_NumStrings]; // one string for every entrypoint name
};

//------------------------------------------------------------------------------------------------
class CD3DX12_RAYTRACING_SHADER_CONFIG_SUBOBJECT
    : public CD3DX12_STATE_OBJECT_DESC::SUBOBJECT_HELPER_BASE
{
public:
    CD3DX12_RAYTRACING_SHADER_CONFIG_SUBOBJECT() noexcept
    {
        Init();
    }

    CD3DX12_RAYTRACING_SHADER_CONFIG_SUBOBJECT(
        CD3DX12_STATE_OBJECT_DESC& ContainingStateObject)
    {
        Init();
        AddToStateObject(ContainingStateObject);
    }

    void Config(
        UINT MaxPayloadSizeInBytes, UINT MaxAttributeSizeInBytes) noexcept
    {
        m_Desc.MaxPayloadSizeInBytes = MaxPayloadSizeInBytes;
        m_Desc.MaxAttributeSizeInBytes = MaxAttributeSizeInBytes;
    }

    D3D12_STATE_SUBOBJECT_TYPE Type() const noexcept override
    {
        return D3D12_STATE_SUBOBJECT_TYPE_RAYTRACING_SHADER_CONFIG;
    }

    operator const D3D12_STATE_SUBOBJECT&() const noexcept
    {
        return *m_pSubobject;
    }

    operator const D3D12_RAYTRACING_SHADER_CONFIG&() const noexcept
    {
        return m_Desc;
    }

private:
    void Init() noexcept
    {
        SUBOBJECT_HELPER_BASE::Init();
        m_Desc = {};
    }

    void* Data() noexcept override
    {
        return &m_Desc;
    }

    D3D12_RAYTRACING_SHADER_CONFIG m_Desc;
};

//------------------------------------------------------------------------------------------------
class CD3DX12_RAYTRACING_PIPELINE_CONFIG_SUBOBJECT
    : public CD3DX12_STATE_OBJECT_DESC::SUBOBJECT_HELPER_BASE
{
public:
    CD3DX12_RAYTRACING_PIPELINE_CONFIG_SUBOBJECT() noexcept
    {
        Init();
    }

    CD3DX12_RAYTRACING_PIPELINE_CONFIG_SUBOBJECT(
        CD3DX12_STATE_OBJECT_DESC& ContainingStateObject)
    {
        Init();
        AddToStateObject(ContainingStateObject);
    }

    void Config(UINT MaxTraceRecursionDepth) noexcept
    {
        m_Desc.MaxTraceRecursionDepth = MaxTraceRecursionDepth;
    }

    D3D12_STATE_SUBOBJECT_TYPE Type() const noexcept override
    {
        return D3D12_STATE_SUBOBJECT_TYPE_RAYTRACING_PIPELINE_CONFIG;
    }

    operator const D3D12_STATE_SUBOBJECT&() const noexcept
    {
        return *m_pSubobject;
    }

    operator const D3D12_RAYTRACING_PIPELINE_CONFIG&() const noexcept
    {
        return m_Desc;
    }

private:
    void Init() noexcept
    {
        SUBOBJECT_HELPER_BASE::Init();
        m_Desc = {};
    }

    void* Data() noexcept override
    {
        return &m_Desc;
    }

    D3D12_RAYTRACING_PIPELINE_CONFIG m_Desc;
};

//------------------------------------------------------------------------------------------------
class CD3DX12_RAYTRACING_PIPELINE_CONFIG1_SUBOBJECT
    : public CD3DX12_STATE_OBJECT_DESC::SUBOBJECT_HELPER_BASE
{
public:
    CD3DX12_RAYTRACING_PIPELINE_CONFIG1_SUBOBJECT() noexcept
    {
        Init();
    }

    CD3DX12_RAYTRACING_PIPELINE_CONFIG1_SUBOBJECT(
        CD3DX12_STATE_OBJECT_DESC& ContainingStateObject)
    {
        Init();
        AddToStateObject(ContainingStateObject);
    }

    void Config(UINT MaxTraceRecursionDepth,
        D3D12_RAYTRACING_PIPELINE_FLAGS Flags) noexcept
    {
        m_Desc.MaxTraceRecursionDepth = MaxTraceRecursionDepth;
        m_Desc.Flags = Flags;
    }

    D3D12_STATE_SUBOBJECT_TYPE Type() const noexcept override
    {
        return D3D12_STATE_SUBOBJECT_TYPE_RAYTRACING_PIPELINE_CONFIG1;
    }

    operator const D3D12_STATE_SUBOBJECT&() const noexcept
    {
        return *m_pSubobject;
    }

    operator const D3D12_RAYTRACING_PIPELINE_CONFIG1&() const noexcept
    {
        return m_Desc;
    }

private:
    void Init() noexcept
    {
        SUBOBJECT_HELPER_BASE::Init();
        m_Desc = {};
    }

    void* Data() noexcept override
    {
        return &m_Desc;
    }

    D3D12_RAYTRACING_PIPELINE_CONFIG1 m_Desc;
};

//------------------------------------------------------------------------------------------------
class CD3DX12_GLOBAL_ROOT_SIGNATURE_SUBOBJECT
    : public CD3DX12_STATE_OBJECT_DESC::SUBOBJECT_HELPER_BASE
{
public:
    CD3DX12_GLOBAL_ROOT_SIGNATURE_SUBOBJECT() noexcept
    {
        Init();
    }

    CD3DX12_GLOBAL_ROOT_SIGNATURE_SUBOBJECT(
        CD3DX12_STATE_OBJECT_DESC& ContainingStateObject)
    {
        Init();
        AddToStateObject(ContainingStateObject);
    }

    void SetRootSignature(ID3D12RootSignature* pRootSig) noexcept
    {
        m_pRootSig = pRootSig;
    }

    D3D12_STATE_SUBOBJECT_TYPE Type() const noexcept override
    {
        return D3D12_STATE_SUBOBJECT_TYPE_GLOBAL_ROOT_SIGNATURE;
    }

    operator const D3D12_STATE_SUBOBJECT&() const noexcept
    {
        return *m_pSubobject;
    }

    operator ID3D12RootSignature*() const noexcept
    {
        return D3DX12_COM_PTR_GET(m_pRootSig);
    }

private:
    void Init() noexcept
    {
        SUBOBJECT_HELPER_BASE::Init();
        m_pRootSig = nullptr;
    }

    void* Data() noexcept override
    {
        return D3DX12_COM_PTR_ADDRESSOF(m_pRootSig);
    }

    D3DX12_COM_PTR<ID3D12RootSignature> m_pRootSig;
};

//------------------------------------------------------------------------------------------------
class CD3DX12_LOCAL_ROOT_SIGNATURE_SUBOBJECT
    : public CD3DX12_STATE_OBJECT_DESC::SUBOBJECT_HELPER_BASE
{
public:
    CD3DX12_LOCAL_ROOT_SIGNATURE_SUBOBJECT() noexcept
    {
        Init();
    }

    CD3DX12_LOCAL_ROOT_SIGNATURE_SUBOBJECT(
        CD3DX12_STATE_OBJECT_DESC& ContainingStateObject)
    {
        Init();
        AddToStateObject(ContainingStateObject);
    }

    void SetRootSignature(ID3D12RootSignature* pRootSig) noexcept
    {
        m_pRootSig = pRootSig;
    }

    D3D12_STATE_SUBOBJECT_TYPE Type() const noexcept override
    {
        return D3D12_STATE_SUBOBJECT_TYPE_LOCAL_ROOT_SIGNATURE;
    }

    operator const D3D12_STATE_SUBOBJECT&() const noexcept
    {
        return *m_pSubobject;
    }

    operator ID3D12RootSignature*() const noexcept
    {
        return D3DX12_COM_PTR_GET(m_pRootSig);
    }

private:
    void Init() noexcept
    {
        SUBOBJECT_HELPER_BASE::Init();
        m_pRootSig = nullptr;
    }

    void* Data() noexcept override
    {
        return D3DX12_COM_PTR_ADDRESSOF(m_pRootSig);
    }

    D3DX12_COM_PTR<ID3D12RootSignature> m_pRootSig;
};

//------------------------------------------------------------------------------------------------
class CD3DX12_STATE_OBJECT_CONFIG_SUBOBJECT
    : public CD3DX12_STATE_OBJECT_DESC::SUBOBJECT_HELPER_BASE
{
public:
    CD3DX12_STATE_OBJECT_CONFIG_SUBOBJECT() noexcept
    {
        Init();
    }

    CD3DX12_STATE_OBJECT_CONFIG_SUBOBJECT(
        CD3DX12_STATE_OBJECT_DESC& ContainingStateObject)
    {
        Init();
        AddToStateObject(ContainingStateObject);
    }

    void SetFlags(D3D12_STATE_OBJECT_FLAGS Flags) noexcept
    {
        m_Desc.Flags = Flags;
    }

    D3D12_STATE_SUBOBJECT_TYPE Type() const noexcept override
    {
        return D3D12_STATE_SUBOBJECT_TYPE_STATE_OBJECT_CONFIG;
    }

    operator const D3D12_STATE_SUBOBJECT&() const noexcept
    {
        return *m_pSubobject;
    }

    operator const D3D12_STATE_OBJECT_CONFIG&() const noexcept
    {
        return m_Desc;
    }

private:
    void Init() noexcept
    {
        SUBOBJECT_HELPER_BASE::Init();
        m_Desc = {};
    }

    void* Data() noexcept override
    {
        return &m_Desc;
    }

    D3D12_STATE_OBJECT_CONFIG m_Desc;
};

//------------------------------------------------------------------------------------------------
class CD3DX12_NODE_MASK_SUBOBJECT
    : public CD3DX12_STATE_OBJECT_DESC::SUBOBJECT_HELPER_BASE
{
public:
    CD3DX12_NODE_MASK_SUBOBJECT() noexcept
    {
        Init();
    }

    CD3DX12_NODE_MASK_SUBOBJECT(
        CD3DX12_STATE_OBJECT_DESC& ContainingStateObject)
    {
        Init();
        AddToStateObject(ContainingStateObject);
    }

    void SetNodeMask(UINT NodeMask) noexcept
    {
        m_Desc.NodeMask = NodeMask;
    }

    D3D12_STATE_SUBOBJECT_TYPE Type() const noexcept override
    {
        return D3D12_STATE_SUBOBJECT_TYPE_NODE_MASK;
    }

    operator const D3D12_STATE_SUBOBJECT&() const noexcept
    {
        return *m_pSubobject;
    }

    operator const D3D12_NODE_MASK&() const noexcept
    {
        return m_Desc;
    }

private:
    void Init() noexcept
    {
        SUBOBJECT_HELPER_BASE::Init();
        m_Desc = {};
    }

    void* Data() noexcept override
    {
        return &m_Desc;
    }

    D3D12_NODE_MASK m_Desc;
};

#        undef D3DX12_COM_PTR
#        undef D3DX12_COM_PTR_GET
#        undef D3DX12_COM_PTR_ADDRESSOF
#    endif // #ifndef D3DX12_NO_STATE_OBJECT_HELPERS

#endif // defined( __cplusplus )

#endif //__D3DX12_H__