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NS:d3d11.CD3D11_SHADER_RESOURCE_VIEW_DESC |
CD3D11_SHADER_RESOURCE_VIEW_DESC (d3d11.h) |
Represents a shader-resource view and provides convenience methods for creating shader-resource views. |
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direct3d11\cd3d11_shader_resource_view_desc.htm |
direct3d11 |
A6604A04-2D05-4CEB-8D47-C59789EE047E |
12/05/2018 |
CD3D11_SHADER_RESOURCE_VIEW_DESC, CD3D11_SHADER_RESOURCE_VIEW_DESC structure [Direct3D 11], d3d11/CD3D11_SHADER_RESOURCE_VIEW_DESC, direct3d11.cd3d11_shader_resource_view_desc |
d3d11.h |
Windows |
Windows 7 [desktop apps \| UWP apps] |
Windows Server 2008 R2 [desktop apps \| UWP apps] |
Windows |
19H1 |
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Represents a shader-resource view and provides convenience methods for creating shader-resource views.
Here is how D3D11.h defines CD3D11_SHADER_RESOURCE_VIEW_DESC:
struct CD3D11_SHADER_RESOURCE_VIEW_DESC : public D3D11_SHADER_RESOURCE_VIEW_DESC
{
CD3D11_SHADER_RESOURCE_VIEW_DESC()
{}
explicit CD3D11_SHADER_RESOURCE_VIEW_DESC( const D3D11_SHADER_RESOURCE_VIEW_DESC& o ) :
D3D11_SHADER_RESOURCE_VIEW_DESC( o )
{}
explicit CD3D11_SHADER_RESOURCE_VIEW_DESC(
D3D11_SRV_DIMENSION viewDimension,
DXGI_FORMAT format = DXGI_FORMAT_UNKNOWN,
UINT mostDetailedMip = 0, // FirstElement for BUFFER
UINT mipLevels = -1, // NumElements for BUFFER
UINT firstArraySlice = 0, // First2DArrayFace for TEXTURECUBEARRAY
UINT arraySize = -1, // NumCubes for TEXTURECUBEARRAY
UINT flags = 0 ) // BUFFEREX only
{
Format = format;
ViewDimension = viewDimension;
switch (viewDimension)
{
case D3D11_SRV_DIMENSION_BUFFER:
Buffer.FirstElement = mostDetailedMip;
Buffer.NumElements = mipLevels;
break;
case D3D11_SRV_DIMENSION_TEXTURE1D:
Texture1D.MostDetailedMip = mostDetailedMip;
Texture1D.MipLevels = mipLevels;
break;
case D3D11_SRV_DIMENSION_TEXTURE1DARRAY:
Texture1DArray.MostDetailedMip = mostDetailedMip;
Texture1DArray.MipLevels = mipLevels;
Texture1DArray.FirstArraySlice = firstArraySlice;
Texture1DArray.ArraySize = arraySize;
break;
case D3D11_SRV_DIMENSION_TEXTURE2D:
Texture2D.MostDetailedMip = mostDetailedMip;
Texture2D.MipLevels = mipLevels;
break;
case D3D11_SRV_DIMENSION_TEXTURE2DARRAY:
Texture2DArray.MostDetailedMip = mostDetailedMip;
Texture2DArray.MipLevels = mipLevels;
Texture2DArray.FirstArraySlice = firstArraySlice;
Texture2DArray.ArraySize = arraySize;
break;
case D3D11_SRV_DIMENSION_TEXTURE2DMS:
break;
case D3D11_SRV_DIMENSION_TEXTURE2DMSARRAY:
Texture2DMSArray.FirstArraySlice = firstArraySlice;
Texture2DMSArray.ArraySize = arraySize;
break;
case D3D11_SRV_DIMENSION_TEXTURE3D:
Texture3D.MostDetailedMip = mostDetailedMip;
Texture3D.MipLevels = mipLevels;
break;
case D3D11_SRV_DIMENSION_TEXTURECUBE:
TextureCube.MostDetailedMip = mostDetailedMip;
TextureCube.MipLevels = mipLevels;
break;
case D3D11_SRV_DIMENSION_TEXTURECUBEARRAY:
TextureCubeArray.MostDetailedMip = mostDetailedMip;
TextureCubeArray.MipLevels = mipLevels;
TextureCubeArray.First2DArrayFace = firstArraySlice;
TextureCubeArray.NumCubes = arraySize;
break;
case D3D11_SRV_DIMENSION_BUFFEREX:
BufferEx.FirstElement = mostDetailedMip;
BufferEx.NumElements = mipLevels;
BufferEx.Flags = flags;
break;
default: break;
}
}
explicit CD3D11_SHADER_RESOURCE_VIEW_DESC(
_In_ ID3D11Buffer*,
DXGI_FORMAT format,
UINT firstElement,
UINT numElements,
UINT flags = 0 )
{
Format = format;
ViewDimension = D3D11_SRV_DIMENSION_BUFFEREX;
BufferEx.FirstElement = firstElement;
BufferEx.NumElements = numElements;
BufferEx.Flags = flags;
}
explicit CD3D11_SHADER_RESOURCE_VIEW_DESC(
_In_ ID3D11Texture1D* pTex1D,
D3D11_SRV_DIMENSION viewDimension,
DXGI_FORMAT format = DXGI_FORMAT_UNKNOWN,
UINT mostDetailedMip = 0,
UINT mipLevels = -1,
UINT firstArraySlice = 0,
UINT arraySize = -1 )
{
ViewDimension = viewDimension;
if (DXGI_FORMAT_UNKNOWN == format || -1 == mipLevels ||
(-1 == arraySize && D3D11_SRV_DIMENSION_TEXTURE1DARRAY == viewDimension))
{
D3D11_TEXTURE1D_DESC TexDesc;
pTex1D->GetDesc( &TexDesc );
if (DXGI_FORMAT_UNKNOWN == format) format = TexDesc.Format;
if (-1 == mipLevels) mipLevels = TexDesc.MipLevels - mostDetailedMip;
if (-1 == arraySize) arraySize = TexDesc.ArraySize - firstArraySlice;
}
Format = format;
switch (viewDimension)
{
case D3D11_SRV_DIMENSION_TEXTURE1D:
Texture1D.MostDetailedMip = mostDetailedMip;
Texture1D.MipLevels = mipLevels;
break;
case D3D11_SRV_DIMENSION_TEXTURE1DARRAY:
Texture1DArray.MostDetailedMip = mostDetailedMip;
Texture1DArray.MipLevels = mipLevels;
Texture1DArray.FirstArraySlice = firstArraySlice;
Texture1DArray.ArraySize = arraySize;
break;
default: break;
}
}
explicit CD3D11_SHADER_RESOURCE_VIEW_DESC(
_In_ ID3D11Texture2D* pTex2D,
D3D11_SRV_DIMENSION viewDimension,
DXGI_FORMAT format = DXGI_FORMAT_UNKNOWN,
UINT mostDetailedMip = 0,
UINT mipLevels = -1,
UINT firstArraySlice = 0, // First2DArrayFace for TEXTURECUBEARRAY
UINT arraySize = -1 ) // NumCubes for TEXTURECUBEARRAY
{
ViewDimension = viewDimension;
if (DXGI_FORMAT_UNKNOWN == format ||
(-1 == mipLevels &&
D3D11_SRV_DIMENSION_TEXTURE2DMS != viewDimension &&
D3D11_SRV_DIMENSION_TEXTURE2DMSARRAY != viewDimension) ||
(-1 == arraySize &&
(D3D11_SRV_DIMENSION_TEXTURE2DARRAY == viewDimension ||
D3D11_SRV_DIMENSION_TEXTURE2DMSARRAY == viewDimension ||
D3D11_SRV_DIMENSION_TEXTURECUBEARRAY == viewDimension)))
{
D3D11_TEXTURE2D_DESC TexDesc;
pTex2D->GetDesc( &TexDesc );
if (DXGI_FORMAT_UNKNOWN == format) format = TexDesc.Format;
if (-1 == mipLevels) mipLevels = TexDesc.MipLevels - mostDetailedMip;
if (-1 == arraySize)
{
arraySize = TexDesc.ArraySize - firstArraySlice;
if (D3D11_SRV_DIMENSION_TEXTURECUBEARRAY == viewDimension) arraySize /= 6;
}
}
Format = format;
switch (viewDimension)
{
case D3D11_SRV_DIMENSION_TEXTURE2D:
Texture2D.MostDetailedMip = mostDetailedMip;
Texture2D.MipLevels = mipLevels;
break;
case D3D11_SRV_DIMENSION_TEXTURE2DARRAY:
Texture2DArray.MostDetailedMip = mostDetailedMip;
Texture2DArray.MipLevels = mipLevels;
Texture2DArray.FirstArraySlice = firstArraySlice;
Texture2DArray.ArraySize = arraySize;
break;
case D3D11_SRV_DIMENSION_TEXTURE2DMS:
break;
case D3D11_SRV_DIMENSION_TEXTURE2DMSARRAY:
Texture2DMSArray.FirstArraySlice = firstArraySlice;
Texture2DMSArray.ArraySize = arraySize;
break;
case D3D11_SRV_DIMENSION_TEXTURECUBE:
TextureCube.MostDetailedMip = mostDetailedMip;
TextureCube.MipLevels = mipLevels;
break;
case D3D11_SRV_DIMENSION_TEXTURECUBEARRAY:
TextureCubeArray.MostDetailedMip = mostDetailedMip;
TextureCubeArray.MipLevels = mipLevels;
TextureCubeArray.First2DArrayFace = firstArraySlice;
TextureCubeArray.NumCubes = arraySize;
break;
default: break;
}
}
explicit CD3D11_SHADER_RESOURCE_VIEW_DESC(
_In_ ID3D11Texture3D* pTex3D,
DXGI_FORMAT format = DXGI_FORMAT_UNKNOWN,
UINT mostDetailedMip = 0,
UINT mipLevels = -1 )
{
ViewDimension = D3D11_SRV_DIMENSION_TEXTURE3D;
if (DXGI_FORMAT_UNKNOWN == format || -1 == mipLevels)
{
D3D11_TEXTURE3D_DESC TexDesc;
pTex3D->GetDesc( &TexDesc );
if (DXGI_FORMAT_UNKNOWN == format) format = TexDesc.Format;
if (-1 == mipLevels) mipLevels = TexDesc.MipLevels - mostDetailedMip;
}
Format = format;
Texture3D.MostDetailedMip = mostDetailedMip;
Texture3D.MipLevels = mipLevels;
}
~CD3D11_SHADER_RESOURCE_VIEW_DESC() {}
operator const D3D11_SHADER_RESOURCE_VIEW_DESC&() const { return *this; }
};
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