ゲームプログラミング初心者講座: 170326C++DirectX12の初期化

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.
//
//*********************************************************

#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)
{
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)
{
return !(l == r);
}

//------------------------------------------------------------------------------------------------
struct CD3DX12_RECT : public D3D12_RECT
{
CD3DX12_RECT()
{}
explicit CD3DX12_RECT(const D3D12_RECT& o) :
D3D12_RECT(o)
{}
explicit CD3DX12_RECT(
LONG Left,
LONG Top,
LONG Right,
LONG Bottom)
{
left = Left;
top = Top;
right = Right;
bottom = Bottom;
}
~CD3DX12_RECT() {}
operator const D3D12_RECT&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_VIEWPORT : public D3D12_VIEWPORT
{
CD3DX12_VIEWPORT()
{}
explicit CD3DX12_VIEWPORT(const D3D12_VIEWPORT& o) :
D3D12_VIEWPORT(o)
{}
explicit CD3DX12_VIEWPORT(
FLOAT topLeftX,
FLOAT topLeftY,
FLOAT width,
FLOAT height,
FLOAT minDepth = D3D12_MIN_DEPTH,
FLOAT maxDepth = D3D12_MAX_DEPTH)
{
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)
{
D3D12_RESOURCE_DESC 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 = Desc.Width - topLeftX;
Height = 1.0f;
break;
case D3D12_RESOURCE_DIMENSION_TEXTURE1D:
TopLeftX = topLeftX;
TopLeftY = 0.0f;
Width = (SubresourceWidth ? SubresourceWidth : 1.0f) - topLeftX;
Height = 1.0f;
break;
case D3D12_RESOURCE_DIMENSION_TEXTURE2D:
case D3D12_RESOURCE_DIMENSION_TEXTURE3D:
TopLeftX = topLeftX;
TopLeftY = topLeftY;
Width = (SubresourceWidth ? SubresourceWidth : 1.0f) - topLeftX;
Height = (SubresourceHeight ? SubresourceHeight : 1.0f) - topLeftY;
break;
default: break;
}

MinDepth = minDepth;
MaxDepth = maxDepth;
}
~CD3DX12_VIEWPORT() {}
operator const D3D12_VIEWPORT&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_BOX : public D3D12_BOX
{
CD3DX12_BOX()
{}
explicit CD3DX12_BOX(const D3D12_BOX& o) :
D3D12_BOX(o)
{}
explicit CD3DX12_BOX(
LONG Left,
LONG Right)
{
left = Left;
top = 0;
front = 0;
right = Right;
bottom = 1;
back = 1;
}
explicit CD3DX12_BOX(
LONG Left,
LONG Top,
LONG Right,
LONG Bottom)
{
left = Left;
top = Top;
front = 0;
right = Right;
bottom = Bottom;
back = 1;
}
explicit CD3DX12_BOX(
LONG Left,
LONG Top,
LONG Front,
LONG Right,
LONG Bottom,
LONG Back)
{
left = Left;
top = Top;
front = Front;
right = Right;
bottom = Bottom;
back = Back;
}
~CD3DX12_BOX() {}
operator const D3D12_BOX&() const { return *this; }
};
inline bool operator==(const D3D12_BOX& l, const D3D12_BOX& r)
{
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)
{
return !(l == r);
}

//------------------------------------------------------------------------------------------------
struct CD3DX12_DEPTH_STENCIL_DESC : public D3D12_DEPTH_STENCIL_DESC
{
CD3DX12_DEPTH_STENCIL_DESC()
{}
explicit CD3DX12_DEPTH_STENCIL_DESC(const D3D12_DEPTH_STENCIL_DESC& o) :
D3D12_DEPTH_STENCIL_DESC(o)
{}
explicit CD3DX12_DEPTH_STENCIL_DESC(CD3DX12_DEFAULT)
{
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)
{
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;
}
~CD3DX12_DEPTH_STENCIL_DESC() {}
operator const D3D12_DEPTH_STENCIL_DESC&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_BLEND_DESC : public D3D12_BLEND_DESC
{
CD3DX12_BLEND_DESC()
{}
explicit CD3DX12_BLEND_DESC(const D3D12_BLEND_DESC& o) :
D3D12_BLEND_DESC(o)
{}
explicit CD3DX12_BLEND_DESC(CD3DX12_DEFAULT)
{
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;
}
~CD3DX12_BLEND_DESC() {}
operator const D3D12_BLEND_DESC&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_RASTERIZER_DESC : public D3D12_RASTERIZER_DESC
{
CD3DX12_RASTERIZER_DESC()
{}
explicit CD3DX12_RASTERIZER_DESC(const D3D12_RASTERIZER_DESC& o) :
D3D12_RASTERIZER_DESC(o)
{}
explicit CD3DX12_RASTERIZER_DESC(CD3DX12_DEFAULT)
{
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)
{
FillMode = fillMode;
CullMode = cullMode;
FrontCounterClockwise = frontCounterClockwise;
DepthBias = depthBias;
DepthBiasClamp = depthBiasClamp;
SlopeScaledDepthBias = slopeScaledDepthBias;
DepthClipEnable = depthClipEnable;
MultisampleEnable = multisampleEnable;
AntialiasedLineEnable = antialiasedLineEnable;
ForcedSampleCount = forcedSampleCount;
ConservativeRaster = conservativeRaster;
}
~CD3DX12_RASTERIZER_DESC() {}
operator const D3D12_RASTERIZER_DESC&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_RESOURCE_ALLOCATION_INFO : public D3D12_RESOURCE_ALLOCATION_INFO
{
CD3DX12_RESOURCE_ALLOCATION_INFO()
{}
explicit CD3DX12_RESOURCE_ALLOCATION_INFO(const D3D12_RESOURCE_ALLOCATION_INFO& o) :
D3D12_RESOURCE_ALLOCATION_INFO(o)
{}
CD3DX12_RESOURCE_ALLOCATION_INFO(
UINT64 size,
UINT64 alignment)
{
SizeInBytes = size;
Alignment = alignment;
}
operator const D3D12_RESOURCE_ALLOCATION_INFO&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_HEAP_PROPERTIES : public D3D12_HEAP_PROPERTIES
{
CD3DX12_HEAP_PROPERTIES()
{}
explicit CD3DX12_HEAP_PROPERTIES(const D3D12_HEAP_PROPERTIES &o) :
D3D12_HEAP_PROPERTIES(o)
{}
CD3DX12_HEAP_PROPERTIES(
D3D12_CPU_PAGE_PROPERTY cpuPageProperty,
D3D12_MEMORY_POOL memoryPoolPreference,
UINT creationNodeMask = 1,
UINT nodeMask = 1)
{
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)
{
Type = type;
CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
CreationNodeMask = creationNodeMask;
VisibleNodeMask = nodeMask;
}
operator const D3D12_HEAP_PROPERTIES&() const { return *this; }
bool IsCPUAccessible() const
{
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)
{
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)
{
return !(l == r);
}

//------------------------------------------------------------------------------------------------
struct CD3DX12_HEAP_DESC : public D3D12_HEAP_DESC
{
CD3DX12_HEAP_DESC()
{}
explicit CD3DX12_HEAP_DESC(const D3D12_HEAP_DESC &o) :
D3D12_HEAP_DESC(o)
{}
CD3DX12_HEAP_DESC(
UINT64 size,
D3D12_HEAP_PROPERTIES properties,
UINT64 alignment = 0,
D3D12_HEAP_FLAGS flags = D3D12_HEAP_FLAG_NONE)
{
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)
{
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)
{
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)
{
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)
{
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)
{
SizeInBytes = resAllocInfo.SizeInBytes;
Properties = CD3DX12_HEAP_PROPERTIES(cpuPageProperty, memoryPoolPreference);
Alignment = resAllocInfo.Alignment;
Flags = flags;
}
operator const D3D12_HEAP_DESC&() const { return *this; }
bool IsCPUAccessible() const
{
return static_cast< const CD3DX12_HEAP_PROPERTIES* >(&Properties)->IsCPUAccessible();
}
};
inline bool operator==(const D3D12_HEAP_DESC& l, const D3D12_HEAP_DESC& r)
{
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)
{
return !(l == r);
}

//------------------------------------------------------------------------------------------------
struct CD3DX12_CLEAR_VALUE : public D3D12_CLEAR_VALUE
{
CD3DX12_CLEAR_VALUE()
{}
explicit CD3DX12_CLEAR_VALUE(const D3D12_CLEAR_VALUE &o) :
D3D12_CLEAR_VALUE(o)
{}
CD3DX12_CLEAR_VALUE(
DXGI_FORMAT format,
const FLOAT color[4])
{
Format = format;
memcpy(Color, color, sizeof(Color));
}
CD3DX12_CLEAR_VALUE(
DXGI_FORMAT format,
FLOAT depth,
UINT8 stencil)
{
Format = format;
/* Use memcpy to preserve NAN values */
memcpy(&DepthStencil.Depth, &depth, sizeof(depth));
DepthStencil.Stencil = stencil;
}
operator const D3D12_CLEAR_VALUE&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_RANGE : public D3D12_RANGE
{
CD3DX12_RANGE()
{}
explicit CD3DX12_RANGE(const D3D12_RANGE &o) :
D3D12_RANGE(o)
{}
CD3DX12_RANGE(
SIZE_T begin,
SIZE_T end)
{
Begin = begin;
End = end;
}
operator const D3D12_RANGE&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_SHADER_BYTECODE : public D3D12_SHADER_BYTECODE
{
CD3DX12_SHADER_BYTECODE()
{}
explicit CD3DX12_SHADER_BYTECODE(const D3D12_SHADER_BYTECODE &o) :
D3D12_SHADER_BYTECODE(o)
{}
CD3DX12_SHADER_BYTECODE(
_In_ ID3DBlob* pShaderBlob)
{
pShaderBytecode = pShaderBlob->GetBufferPointer();
BytecodeLength = pShaderBlob->GetBufferSize();
}
CD3DX12_SHADER_BYTECODE(
_In_reads_(bytecodeLength) const void* _pShaderBytecode,
SIZE_T bytecodeLength)
{
pShaderBytecode = _pShaderBytecode;
BytecodeLength = bytecodeLength;
}
operator const D3D12_SHADER_BYTECODE&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_TILED_RESOURCE_COORDINATE : public D3D12_TILED_RESOURCE_COORDINATE
{
CD3DX12_TILED_RESOURCE_COORDINATE()
{}
explicit CD3DX12_TILED_RESOURCE_COORDINATE(const D3D12_TILED_RESOURCE_COORDINATE &o) :
D3D12_TILED_RESOURCE_COORDINATE(o)
{}
CD3DX12_TILED_RESOURCE_COORDINATE(
UINT x,
UINT y,
UINT z,
UINT subresource)
{
X = x;
Y = y;
Z = z;
Subresource = subresource;
}
operator const D3D12_TILED_RESOURCE_COORDINATE&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_TILE_REGION_SIZE : public D3D12_TILE_REGION_SIZE
{
CD3DX12_TILE_REGION_SIZE()
{}
explicit CD3DX12_TILE_REGION_SIZE(const D3D12_TILE_REGION_SIZE &o) :
D3D12_TILE_REGION_SIZE(o)
{}
CD3DX12_TILE_REGION_SIZE(
UINT numTiles,
BOOL useBox,
UINT width,
UINT16 height,
UINT16 depth)
{
NumTiles = numTiles;
UseBox = useBox;
Width = width;
Height = height;
Depth = depth;
}
operator const D3D12_TILE_REGION_SIZE&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_SUBRESOURCE_TILING : public D3D12_SUBRESOURCE_TILING
{
CD3DX12_SUBRESOURCE_TILING()
{}
explicit CD3DX12_SUBRESOURCE_TILING(const D3D12_SUBRESOURCE_TILING &o) :
D3D12_SUBRESOURCE_TILING(o)
{}
CD3DX12_SUBRESOURCE_TILING(
UINT widthInTiles,
UINT16 heightInTiles,
UINT16 depthInTiles,
UINT startTileIndexInOverallResource)
{
WidthInTiles = widthInTiles;
HeightInTiles = heightInTiles;
DepthInTiles = depthInTiles;
StartTileIndexInOverallResource = startTileIndexInOverallResource;
}
operator const D3D12_SUBRESOURCE_TILING&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_TILE_SHAPE : public D3D12_TILE_SHAPE
{
CD3DX12_TILE_SHAPE()
{}
explicit CD3DX12_TILE_SHAPE(const D3D12_TILE_SHAPE &o) :
D3D12_TILE_SHAPE(o)
{}
CD3DX12_TILE_SHAPE(
UINT widthInTexels,
UINT heightInTexels,
UINT depthInTexels)
{
WidthInTexels = widthInTexels;
HeightInTexels = heightInTexels;
DepthInTexels = depthInTexels;
}
operator const D3D12_TILE_SHAPE&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_RESOURCE_BARRIER : public D3D12_RESOURCE_BARRIER
{
CD3DX12_RESOURCE_BARRIER()
{}
explicit CD3DX12_RESOURCE_BARRIER(const D3D12_RESOURCE_BARRIER &o) :
D3D12_RESOURCE_BARRIER(o)
{}
static inline 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)
{
CD3DX12_RESOURCE_BARRIER result;
ZeroMemory(&result, sizeof(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;
}
static inline CD3DX12_RESOURCE_BARRIER Aliasing(
_In_ ID3D12Resource* pResourceBefore,
_In_ ID3D12Resource* pResourceAfter)
{
CD3DX12_RESOURCE_BARRIER result;
ZeroMemory(&result, sizeof(result));
D3D12_RESOURCE_BARRIER &barrier = result;
result.Type = D3D12_RESOURCE_BARRIER_TYPE_ALIASING;
barrier.Aliasing.pResourceBefore = pResourceBefore;
barrier.Aliasing.pResourceAfter = pResourceAfter;
return result;
}
static inline CD3DX12_RESOURCE_BARRIER UAV(
_In_ ID3D12Resource* pResource)
{
CD3DX12_RESOURCE_BARRIER result;
ZeroMemory(&result, sizeof(result));
D3D12_RESOURCE_BARRIER &barrier = result;
result.Type = D3D12_RESOURCE_BARRIER_TYPE_UAV;
barrier.UAV.pResource = pResource;
return result;
}
operator const D3D12_RESOURCE_BARRIER&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_PACKED_MIP_INFO : public D3D12_PACKED_MIP_INFO
{
CD3DX12_PACKED_MIP_INFO()
{}
explicit CD3DX12_PACKED_MIP_INFO(const D3D12_PACKED_MIP_INFO &o) :
D3D12_PACKED_MIP_INFO(o)
{}
CD3DX12_PACKED_MIP_INFO(
UINT8 numStandardMips,
UINT8 numPackedMips,
UINT numTilesForPackedMips,
UINT startTileIndexInOverallResource)
{
NumStandardMips = numStandardMips;
NumPackedMips = numPackedMips;
NumTilesForPackedMips = numTilesForPackedMips;
StartTileIndexInOverallResource = startTileIndexInOverallResource;
}
operator const D3D12_PACKED_MIP_INFO&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_SUBRESOURCE_FOOTPRINT : public D3D12_SUBRESOURCE_FOOTPRINT
{
CD3DX12_SUBRESOURCE_FOOTPRINT()
{}
explicit CD3DX12_SUBRESOURCE_FOOTPRINT(const D3D12_SUBRESOURCE_FOOTPRINT &o) :
D3D12_SUBRESOURCE_FOOTPRINT(o)
{}
CD3DX12_SUBRESOURCE_FOOTPRINT(
DXGI_FORMAT format,
UINT width,
UINT height,
UINT depth,
UINT rowPitch)
{
Format = format;
Width = width;
Height = height;
Depth = depth;
RowPitch = rowPitch;
}
explicit CD3DX12_SUBRESOURCE_FOOTPRINT(
const D3D12_RESOURCE_DESC& resDesc,
UINT rowPitch)
{
Format = resDesc.Format;
Width = UINT(resDesc.Width);
Height = resDesc.Height;
Depth = (resDesc.Dimension == D3D12_RESOURCE_DIMENSION_TEXTURE3D ? resDesc.DepthOrArraySize : 1);
RowPitch = rowPitch;
}
operator const D3D12_SUBRESOURCE_FOOTPRINT&() const { return *this; }
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_TEXTURE_COPY_LOCATION : public D3D12_TEXTURE_COPY_LOCATION
{
CD3DX12_TEXTURE_COPY_LOCATION()
{}
explicit CD3DX12_TEXTURE_COPY_LOCATION(const D3D12_TEXTURE_COPY_LOCATION &o) :
D3D12_TEXTURE_COPY_LOCATION(o)
{}
CD3DX12_TEXTURE_COPY_LOCATION(ID3D12Resource* pRes) { pResource = pRes; }
CD3DX12_TEXTURE_COPY_LOCATION(ID3D12Resource* pRes, D3D12_PLACED_SUBRESOURCE_FOOTPRINT const& Footprint)
{
pResource = pRes;
Type = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT;
PlacedFootprint = Footprint;
}
CD3DX12_TEXTURE_COPY_LOCATION(ID3D12Resource* pRes, UINT Sub)
{
pResource = pRes;
Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
SubresourceIndex = Sub;
}
};

//------------------------------------------------------------------------------------------------
struct CD3DX12_DESCRIPTOR_RANGE : public D3D12_DESCRIPTOR_RANGE
{
CD3DX12_DESCRIPTOR_RANGE() { }
explicit CD3DX12_DESCRIPTOR_RANGE(const D3D12_DESCRIPTOR_RANGE &o) :
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)
{
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)
{
Init(*this, rangeType, numDescriptors, baseShaderRegister, registerSpace, offsetInDescriptorsFromTableStart);
}

static inline 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)
{
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() {}
explicit CD3DX12_ROOT_DESCRIPTOR_TABLE(const D3D12_ROOT_DESCRIPTOR_TABLE &o) :
D3D12_ROOT_DESCRIPTOR_TABLE(o)
{}
CD3DX12_ROOT_DESCRIPTOR_TABLE(
UINT numDescriptorRanges,
_In_reads_opt_(numDescriptorRanges) const D3D12_DESCRIPTOR_RANGE* _pDescriptorRanges)
{
Init(numDescriptorRanges, _pDescriptorRanges);
}

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

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

//------------------------------------------------------------------------------------------------
struct CD3DX12_ROOT_CONSTANTS : public D3D12_ROOT_CONSTANTS
{
CD3DX12_ROOT_CONSTANTS() {}
explicit CD3DX12_ROOT_CONSTANTS(const D3D12_ROOT_CONSTANTS &o) :
D3D12_ROOT_CONSTANTS(o)
{}
CD3DX12_ROOT_CONSTANTS(
UINT num32BitValues,
UINT shaderRegister,
UINT registerSpace = 0)
{
Init(num32BitValues, shaderRegister, registerSpace);
}

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

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

//------------------------------------------------------------------------------------------------
struct CD3DX12_ROOT_DESCRIPTOR : public D3D12_ROOT_DESCRIPTOR
{
CD3DX12_ROOT_DESCRIPTOR() {}
explicit CD3DX12_ROOT_DESCRIPTOR(const D3D12_ROOT_DESCRIPTOR &o) :
D3D12_ROOT_DESCRIPTOR(o)
{}
CD3DX12_ROOT_DESCRIPTOR(
UINT shaderRegister,
UINT registerSpace = 0)
{
Init(shaderRegister, registerSpace);
}

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

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

//------------------------------------------------------------------------------------------------
struct CD3DX12_ROOT_PARAMETER : public D3D12_ROOT_PARAMETER
{
CD3DX12_ROOT_PARAMETER() {}
explicit CD3DX12_ROOT_PARAMETER(const D3D12_ROOT_PARAMETER &o) :
D3D12_ROOT_PARAMETER(o)
{}

static inline 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)
{
rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
rootParam.ShaderVisibility = visibility;
CD3DX12_ROOT_DESCRIPTOR_TABLE::Init(rootParam.DescriptorTable, numDescriptorRanges, pDescriptorRanges);
}

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

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

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

static inline void InitAsUnorderedAccessView(
_Out_ D3D12_ROOT_PARAMETER &rootParam,
UINT shaderRegister,
UINT registerSpace = 0,
D3D12_SHADER_VISIBILITY visibility = D3D12_SHADER_VISIBILITY_ALL)
{
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)
{
InitAsDescriptorTable(*this, numDescriptorRanges, pDescriptorRanges, visibility);
}

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

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

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

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

//------------------------------------------------------------------------------------------------
struct CD3DX12_STATIC_SAMPLER_DESC : public D3D12_STATIC_SAMPLER_DESC
{
CD3DX12_STATIC_SAMPLER_DESC() {}
explicit CD3DX12_STATIC_SAMPLER_DESC(const D3D12_STATIC_SAMPLER_DESC &o) :
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)
{
Init(
shaderRegister,
filter,
addressU,
addressV,
addressW,
mipLODBias,
maxAnisotropy,
comparisonFunc,
borderColor,
minLOD,
maxLOD,
shaderVisibility,
registerSpace);
}

static inline 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)
{
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)
{
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() {}
explicit CD3DX12_ROOT_SIGNATURE_DESC(const D3D12_ROOT_SIGNATURE_DESC &o) :
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 = NULL,
D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
{
Init(numParameters, _pParameters, numStaticSamplers, _pStaticSamplers, flags);
}
CD3DX12_ROOT_SIGNATURE_DESC(CD3DX12_DEFAULT)
{
Init(0, NULL, 0, NULL, 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 = NULL,
D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
{
Init(*this, numParameters, _pParameters, numStaticSamplers, _pStaticSamplers, flags);
}

static inline 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 = NULL,
D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
{
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() { }
explicit CD3DX12_DESCRIPTOR_RANGE1(const D3D12_DESCRIPTOR_RANGE1 &o) :
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)
{
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)
{
Init(*this, rangeType, numDescriptors, baseShaderRegister, registerSpace, flags, offsetInDescriptorsFromTableStart);
}

static inline 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)
{
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() {}
explicit CD3DX12_ROOT_DESCRIPTOR_TABLE1(const D3D12_ROOT_DESCRIPTOR_TABLE1 &o) :
D3D12_ROOT_DESCRIPTOR_TABLE1(o)
{}
CD3DX12_ROOT_DESCRIPTOR_TABLE1(
UINT numDescriptorRanges,
_In_reads_opt_(numDescriptorRanges) const D3D12_DESCRIPTOR_RANGE1* _pDescriptorRanges)
{
Init(numDescriptorRanges, _pDescriptorRanges);
}

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

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

//------------------------------------------------------------------------------------------------
struct CD3DX12_ROOT_DESCRIPTOR1 : public D3D12_ROOT_DESCRIPTOR1
{
CD3DX12_ROOT_DESCRIPTOR1() {}
explicit CD3DX12_ROOT_DESCRIPTOR1(const D3D12_ROOT_DESCRIPTOR1 &o) :
D3D12_ROOT_DESCRIPTOR1(o)
{}
CD3DX12_ROOT_DESCRIPTOR1(
UINT shaderRegister,
UINT registerSpace = 0,
D3D12_ROOT_DESCRIPTOR_FLAGS flags = D3D12_ROOT_DESCRIPTOR_FLAG_NONE)
{
Init(shaderRegister, registerSpace, flags);
}

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

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

//------------------------------------------------------------------------------------------------
struct CD3DX12_ROOT_PARAMETER1 : public D3D12_ROOT_PARAMETER1
{
CD3DX12_ROOT_PARAMETER1() {}
explicit CD3DX12_ROOT_PARAMETER1(const D3D12_ROOT_PARAMETER1 &o) :
D3D12_ROOT_PARAMETER1(o)
{}

static inline 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)
{
rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
rootParam.ShaderVisibility = visibility;
CD3DX12_ROOT_DESCRIPTOR_TABLE1::Init(rootParam.DescriptorTable, numDescriptorRanges, pDescriptorRanges);
}

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

static inline 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)
{
rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_CBV;
rootParam.ShaderVisibility = visibility;
CD3DX12_ROOT_DESCRIPTOR1::Init(rootParam.Descriptor, shaderRegister, registerSpace, flags);
}

static inline 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)
{
rootParam.ParameterType = D3D12_ROOT_PARAMETER_TYPE_SRV;
rootParam.ShaderVisibility = visibility;
CD3DX12_ROOT_DESCRIPTOR1::Init(rootParam.Descriptor, shaderRegister, registerSpace, flags);
}

static inline 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)
{
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)
{
InitAsDescriptorTable(*this, numDescriptorRanges, pDescriptorRanges, visibility);
}

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

//------------------------------------------------------------------------------------------------
struct CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC : public D3D12_VERSIONED_ROOT_SIGNATURE_DESC
{
CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC() {}
explicit CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC(const D3D12_VERSIONED_ROOT_SIGNATURE_DESC &o) :
D3D12_VERSIONED_ROOT_SIGNATURE_DESC(o)
{}
explicit CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC(const D3D12_ROOT_SIGNATURE_DESC &o)
{
Version = D3D_ROOT_SIGNATURE_VERSION_1_0;
Desc_1_0 = o;
}
explicit CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC(const D3D12_ROOT_SIGNATURE_DESC1 &o)
{
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 = NULL,
D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
{
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 = NULL,
D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
{
Init_1_1(numParameters, _pParameters, numStaticSamplers, _pStaticSamplers, flags);
}
CD3DX12_VERSIONED_ROOT_SIGNATURE_DESC(CD3DX12_DEFAULT)
{
Init_1_1(0, NULL, 0, NULL, 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 = NULL,
D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
{
Init_1_0(*this, numParameters, _pParameters, numStaticSamplers, _pStaticSamplers, flags);
}

static inline 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 = NULL,
D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
{
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 = NULL,
D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
{
Init_1_1(*this, numParameters, _pParameters, numStaticSamplers, _pStaticSamplers, flags);
}

static inline 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 = NULL,
D3D12_ROOT_SIGNATURE_FLAGS flags = D3D12_ROOT_SIGNATURE_FLAG_NONE)
{
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() {}
explicit CD3DX12_CPU_DESCRIPTOR_HANDLE(const D3D12_CPU_DESCRIPTOR_HANDLE &o) :
D3D12_CPU_DESCRIPTOR_HANDLE(o)
{}
CD3DX12_CPU_DESCRIPTOR_HANDLE(CD3DX12_DEFAULT) { ptr = 0; }
CD3DX12_CPU_DESCRIPTOR_HANDLE(_In_ const D3D12_CPU_DESCRIPTOR_HANDLE &other, INT offsetScaledByIncrementSize)
{
InitOffsetted(other, offsetScaledByIncrementSize);
}
CD3DX12_CPU_DESCRIPTOR_HANDLE(_In_ const D3D12_CPU_DESCRIPTOR_HANDLE &other, INT offsetInDescriptors, UINT descriptorIncrementSize)
{
InitOffsetted(other, offsetInDescriptors, descriptorIncrementSize);
}
CD3DX12_CPU_DESCRIPTOR_HANDLE& Offset(INT offsetInDescriptors, UINT descriptorIncrementSize)
{
ptr += offsetInDescriptors * descriptorIncrementSize;
return *this;
}
CD3DX12_CPU_DESCRIPTOR_HANDLE& Offset(INT offsetScaledByIncrementSize)
{
ptr += offsetScaledByIncrementSize;
return *this;
}
bool operator==(_In_ const D3D12_CPU_DESCRIPTOR_HANDLE& other) const
{
return (ptr == other.ptr);
}
bool operator!=(_In_ const D3D12_CPU_DESCRIPTOR_HANDLE& other) const
{
return (ptr != other.ptr);
}
CD3DX12_CPU_DESCRIPTOR_HANDLE &operator=(const D3D12_CPU_DESCRIPTOR_HANDLE &other)
{
ptr = other.ptr;
return *this;
}

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

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

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

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

//------------------------------------------------------------------------------------------------
struct CD3DX12_GPU_DESCRIPTOR_HANDLE : public D3D12_GPU_DESCRIPTOR_HANDLE
{
CD3DX12_GPU_DESCRIPTOR_HANDLE() {}
explicit CD3DX12_GPU_DESCRIPTOR_HANDLE(const D3D12_GPU_DESCRIPTOR_HANDLE &o) :
D3D12_GPU_DESCRIPTOR_HANDLE(o)
{}
CD3DX12_GPU_DESCRIPTOR_HANDLE(CD3DX12_DEFAULT) { ptr = 0; }
CD3DX12_GPU_DESCRIPTOR_HANDLE(_In_ const D3D12_GPU_DESCRIPTOR_HANDLE &other, INT offsetScaledByIncrementSize)
{
InitOffsetted(other, offsetScaledByIncrementSize);
}
CD3DX12_GPU_DESCRIPTOR_HANDLE(_In_ const D3D12_GPU_DESCRIPTOR_HANDLE &other, INT offsetInDescriptors, UINT descriptorIncrementSize)
{
InitOffsetted(other, offsetInDescriptors, descriptorIncrementSize);
}
CD3DX12_GPU_DESCRIPTOR_HANDLE& Offset(INT offsetInDescriptors, UINT descriptorIncrementSize)
{
ptr += offsetInDescriptors * descriptorIncrementSize;
return *this;
}
CD3DX12_GPU_DESCRIPTOR_HANDLE& Offset(INT offsetScaledByIncrementSize)
{
ptr += offsetScaledByIncrementSize;
return *this;
}
inline bool operator==(_In_ const D3D12_GPU_DESCRIPTOR_HANDLE& other) const
{
return (ptr == other.ptr);
}
inline bool operator!=(_In_ const D3D12_GPU_DESCRIPTOR_HANDLE& other) const
{
return (ptr != other.ptr);
}
CD3DX12_GPU_DESCRIPTOR_HANDLE &operator=(const D3D12_GPU_DESCRIPTOR_HANDLE &other)
{
ptr = other.ptr;
return *this;
}

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

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

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

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

//------------------------------------------------------------------------------------------------
inline UINT D3D12CalcSubresource(UINT MipSlice, UINT ArraySlice, UINT PlaneSlice, UINT MipLevels, UINT ArraySize)
{
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)
{
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
)
{
D3D12_FEATURE_DATA_FORMAT_INFO formatInfo = { Format };
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()
{}
explicit CD3DX12_RESOURCE_DESC(const D3D12_RESOURCE_DESC& o) :
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)
{
Dimension = dimension;
Alignment = alignment;
Width = width;
Height = height;
DepthOrArraySize = depthOrArraySize;
MipLevels = mipLevels;
Format = format;
SampleDesc.Count = sampleCount;
SampleDesc.Quality = sampleQuality;
Layout = layout;
Flags = flags;
}
static inline CD3DX12_RESOURCE_DESC Buffer(
const D3D12_RESOURCE_ALLOCATION_INFO& resAllocInfo,
D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE)
{
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);
}
static inline CD3DX12_RESOURCE_DESC Buffer(
UINT64 width,
D3D12_RESOURCE_FLAGS flags = D3D12_RESOURCE_FLAG_NONE,
UINT64 alignment = 0)
{
return CD3DX12_RESOURCE_DESC(D3D12_RESOURCE_DIMENSION_BUFFER, alignment, width, 1, 1, 1,
DXGI_FORMAT_UNKNOWN, 1, 0, D3D12_TEXTURE_LAYOUT_ROW_MAJOR, flags);
}
static inline 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)
{
return CD3DX12_RESOURCE_DESC(D3D12_RESOURCE_DIMENSION_TEXTURE1D, alignment, width, 1, arraySize,
mipLevels, format, 1, 0, layout, flags);
}
static inline 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)
{
return CD3DX12_RESOURCE_DESC(D3D12_RESOURCE_DIMENSION_TEXTURE2D, alignment, width, height, arraySize,
mipLevels, format, sampleCount, sampleQuality, layout, flags);
}
static inline 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)
{
return CD3DX12_RESOURCE_DESC(D3D12_RESOURCE_DIMENSION_TEXTURE3D, alignment, width, height, depth,
mipLevels, format, 1, 0, layout, flags);
}
inline UINT16 Depth() const
{
return (Dimension == D3D12_RESOURCE_DIMENSION_TEXTURE3D ? DepthOrArraySize : 1);
}
inline UINT16 ArraySize() const
{
return (Dimension != D3D12_RESOURCE_DIMENSION_TEXTURE3D ? DepthOrArraySize : 1);
}
inline UINT8 PlaneCount(_In_ ID3D12Device* pDevice) const
{
return D3D12GetFormatPlaneCount(pDevice, Format);
}
inline UINT Subresources(_In_ ID3D12Device* pDevice) const
{
return MipLevels * ArraySize() * PlaneCount(pDevice);
}
inline UINT CalcSubresource(UINT MipSlice, UINT ArraySlice, UINT PlaneSlice)
{
return D3D12CalcSubresource(MipSlice, ArraySlice, PlaneSlice, MipLevels, ArraySize());
}
operator const D3D12_RESOURCE_DESC&() const { return *this; }
};
inline bool operator==(const D3D12_RESOURCE_DESC& l, const D3D12_RESOURCE_DESC& r)
{
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)
{
return !(l == r);
}

//------------------------------------------------------------------------------------------------
// Row-by-row memcpy
inline void MemcpySubresource(
_In_ const D3D12_MEMCPY_DEST* pDest,
_In_ const D3D12_SUBRESOURCE_DATA* pSrc,
SIZE_T RowSizeInBytes,
UINT NumRows,
UINT NumSlices)
{
for (UINT z = 0; z < NumSlices; ++z)
{
BYTE* pDestSlice = reinterpret_cast<BYTE*>(pDest->pData) + pDest->SlicePitch * z;
const BYTE* pSrcSlice = reinterpret_cast<const BYTE*>(pSrc->pData) + pSrc->SlicePitch * z;
for (UINT y = 0; y < NumRows; ++y)
{
memcpy(pDestSlice + pDest->RowPitch * y,
pSrcSlice + pSrc->RowPitch * 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)
{
D3D12_RESOURCE_DESC Desc = pDestinationResource->GetDesc();
UINT64 RequiredSize = 0;

ID3D12Device* pDevice;
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)
{
// Minor validation
D3D12_RESOURCE_DESC IntermediateDesc = pIntermediate->GetDesc();
D3D12_RESOURCE_DESC 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, NULL, 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, pLayouts[i].Footprint.RowPitch * pNumRows[i] };
MemcpySubresource(&DestData, &pSrcData[i], (SIZE_T)pRowSizesInBytes[i], pNumRows[i], pLayouts[i].Footprint.Depth);
}
pIntermediate->Unmap(0, NULL);

if (DestinationDesc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER)
{
CD3DX12_BOX SrcBox(UINT(pLayouts[0].Offset), UINT(pLayouts[0].Offset + pLayouts[0].Footprint.Width));
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) D3D12_SUBRESOURCE_DATA* pSrcData)
{
UINT64 RequiredSize = 0;
UINT64 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 == NULL)
{
return 0;
}
D3D12_PLACED_SUBRESOURCE_FOOTPRINT* pLayouts = reinterpret_cast<D3D12_PLACED_SUBRESOURCE_FOOTPRINT*>(pMem);
UINT64* pRowSizesInBytes = reinterpret_cast<UINT64*>(pLayouts + NumSubresources);
UINT* pNumRows = reinterpret_cast<UINT*>(pRowSizesInBytes + NumSubresources);

D3D12_RESOURCE_DESC Desc = pDestinationResource->GetDesc();
ID3D12Device* pDevice;
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;
}

//------------------------------------------------------------------------------------------------
// 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) D3D12_SUBRESOURCE_DATA* pSrcData)
{
UINT64 RequiredSize = 0;
D3D12_PLACED_SUBRESOURCE_FOOTPRINT Layouts[MaxSubresources];
UINT NumRows[MaxSubresources];
UINT64 RowSizesInBytes[MaxSubresources];

D3D12_RESOURCE_DESC Desc = pDestinationResource->GetDesc();
ID3D12Device* pDevice;
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);
}

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

//------------------------------------------------------------------------------------------------
inline ID3D12CommandList * const * CommandListCast(ID3D12GraphicsCommandList * const * pp)
{
// 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(
_In_ const D3D12_VERSIONED_ROOT_SIGNATURE_DESC* pRootSignatureDesc,
D3D_ROOT_SIGNATURE_VERSION MaxVersion,
_Outptr_ ID3DBlob** ppBlob,
_Always_(_Outptr_opt_result_maybenull_) ID3DBlob** ppErrorBlob)
{
if (ppErrorBlob != NULL)
{
*ppErrorBlob = NULL;
}

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) : NULL;
if (ParametersSize > 0 && pParameters == NULL)
{
hr = E_OUTOFMEMORY;
}
D3D12_ROOT_PARAMETER* pParameters_1_0 = reinterpret_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) : NULL;
if (DescriptorRangesSize > 0 && pDescriptorRanges == NULL)
{
hr = E_OUTOFMEMORY;
}
D3D12_DESCRIPTOR_RANGE* pDescriptorRanges_1_0 = reinterpret_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;
}

#endif // defined( __cplusplus )

#endif //__D3DX12_H__

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