/// <summary>
/// Initializes a new instance of the <see cref="ShaderResourceViewDescription1"/> struct.
/// </summary>
/// <param name="texture"></param>
/// <param name="format"></param>
/// <param name="mostDetailedMip"></param>
/// <param name="mipLevels"></param>
public ShaderResourceViewDescription1(
ID3D11Texture3D texture,
Format format = Format.Unknown,
int mostDetailedMip = 0,
int mipLevels = -1)
: this()
{
ViewDimension = ShaderResourceViewDimension.Texture3D;
if (format == Format.Unknown || mipLevels == -1)
{
var textureDesc = texture.Description;
if (format == Format.Unknown)
{
format = textureDesc.Format;
}
if (mipLevels == -1)
{
mipLevels = textureDesc.MipLevels - mostDetailedMip;
}
}
Format = format;
Texture3D.MostDetailedMip = mostDetailedMip;
Texture3D.MipLevels = mipLevels;
}
/// <summary>
/// Initializes a new instance of the <see cref="RenderTargetViewDescription"/> struct.
/// </summary>
/// <param name="texture"></param>
/// <param name="format"></param>
/// <param name="mipSlice"></param>
/// <param name="firstWSlice"></param>
/// <param name="wSize"></param>
public RenderTargetViewDescription(
ID3D11Texture3D texture,
Format format = Format.Unknown,
int mipSlice = 0,
int firstWSlice = 0,
int wSize = -1)
: this()
{
ViewDimension = RenderTargetViewDimension.Texture3D;
if (format == Format.Unknown || wSize == -1)
{
var textureDesc = texture.Description;
if (format == Format.Unknown)
{
format = textureDesc.Format;
}
if (wSize == -1)
{
wSize = textureDesc.Depth - firstWSlice;
}
}
Format = format;
Texture3D.MipSlice = mipSlice;
Texture3D.FirstWSlice = firstWSlice;
Texture3D.WSize = wSize;
}
/// <summary>
/// Initializes a new instance of the <see cref="UnorderedAccessViewDescription"/> struct.
/// </summary>
/// <param name="texture"></param>
/// <param name="viewDimension"></param>
/// <param name="format"></param>
/// <param name="mipSlice"></param>
/// <param name="firstWSlice"></param>
/// <param name="wSize"></param>
public UnorderedAccessViewDescription(
ID3D11Texture3D texture,
UnorderedAccessViewDimension viewDimension,
Format format = Format.Unknown,
int mipSlice = 0,
int firstWSlice = 0,
int wSize = -1) : this()
{
ViewDimension = viewDimension;
if (format == Format.Unknown || wSize == -1)
{
Texture3DDescription textureDesc = texture.Description;
if (format == Format.Unknown)
{
format = textureDesc.Format;
}
if (wSize == -1)
{
wSize = textureDesc.Depth - firstWSlice;
}
}
Format = format;
Texture3D.MipSlice = mipSlice;
Texture3D.FirstWSlice = firstWSlice;
Texture3D.WSize = wSize;
}
public unsafe Span <T> AsSpan <T>(ID3D11Texture3D resource, int mipSlice, int arraySlice) where T : unmanaged
{
resource.CalculateSubResourceIndex(mipSlice, arraySlice, out int mipSize);
Span <byte> source = new(DataPointer.ToPointer(), mipSize *DepthPitch);
return(MemoryMarshal.Cast <byte, T>(source));
}
internal D3D11Texture3D(ID3D11Texture3D texture3D)
{
this.texture3D = texture3D;
}
internal D3D11Texture3D(ID3D11Texture3D texture3D)
{
this.texture3D = texture3D;
}