/// <summary>
/// Initializes a new instance of the <see cref="D3D11UnorderedAccessViewDesc"/> struct.
/// </summary>
/// <param name="buffer">A buffer.</param>
/// <param name="format">The viewing format.</param>
/// <param name="firstElement">The number of bytes between the beginning of the buffer and the first element to access.</param>
/// <param name="numElements">The total number of elements in the view.</param>
/// <param name="options">The view options for a buffer.</param>
public D3D11UnorderedAccessViewDesc(
D3D11Buffer buffer,
DxgiFormat format,
uint firstElement,
uint numElements,
D3D11BufferUavOptions options)
{
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
this.buffer = new D3D11BufferUav();
this.texture1D = new D3D11Texture1DUav();
this.texture1DArray = new D3D11Texture1DArrayUav();
this.texture2D = new D3D11Texture2DUav();
this.texture2DArray = new D3D11Texture2DArrayUav();
this.texture3D = new D3D11Texture3DUav();
this.format = format;
this.viewDimension = D3D11UavDimension.Buffer;
this.buffer = new D3D11BufferUav
{
FirstElement = firstElement,
NumElements = numElements,
Options = options
};
}
/// <summary>
/// Initializes a new instance of the <see cref="D3D11UnorderedAccessViewDesc"/> struct.
/// </summary>
/// <param name="texture">A 3D texture.</param>
/// <param name="format">The viewing format.</param>
/// <param name="mipSlice">The index of the mipmap level to use mip slice.</param>
/// <param name="firstWSlice">The first depth level to use.</param>
/// <param name="wsize">The number of depth levels to use in the render-target view.</param>
public D3D11UnorderedAccessViewDesc(
D3D11Texture3D texture,
DxgiFormat format,
uint mipSlice,
uint firstWSlice,
uint wsize)
{
if (texture == null)
{
throw new ArgumentNullException("texture");
}
this.buffer = new D3D11BufferUav();
this.texture1D = new D3D11Texture1DUav();
this.texture1DArray = new D3D11Texture1DArrayUav();
this.texture2D = new D3D11Texture2DUav();
this.texture2DArray = new D3D11Texture2DArrayUav();
this.texture3D = new D3D11Texture3DUav();
this.viewDimension = D3D11UavDimension.Texture3D;
if (format == DxgiFormat.Unknown || wsize == uint.MaxValue)
{
var description = texture.Description;
if (format == DxgiFormat.Unknown)
{
format = description.Format;
}
if (wsize == uint.MaxValue)
{
wsize = description.Depth - firstWSlice;
}
}
this.format = format;
this.texture3D = new D3D11Texture3DUav
{
MipSlice = mipSlice,
FirstWSlice = firstWSlice,
WSize = wsize
};
}
/// <summary>
/// Initializes a new instance of the <see cref="D3D11UnorderedAccessViewDesc"/> struct.
/// </summary>
/// <param name="texture">A 2D texture.</param>
/// <param name="viewDimension">The resource type of the view.</param>
/// <param name="format">The viewing format.</param>
/// <param name="mipSlice">The index of the mipmap level to use mip slice.</param>
/// <param name="firstArraySlice">The index of the first element to use in an array of elements.</param>
/// <param name="arraySize">The number of elements in the array.</param>
public D3D11UnorderedAccessViewDesc(
D3D11Texture2D texture,
D3D11UavDimension viewDimension,
DxgiFormat format,
uint mipSlice,
uint firstArraySlice,
uint arraySize)
{
if (texture == null)
{
throw new ArgumentNullException("texture");
}
this.buffer = new D3D11BufferUav();
this.texture1D = new D3D11Texture1DUav();
this.texture1DArray = new D3D11Texture1DArrayUav();
this.texture2D = new D3D11Texture2DUav();
this.texture2DArray = new D3D11Texture2DArrayUav();
this.texture3D = new D3D11Texture3DUav();
this.viewDimension = viewDimension;
if (format == DxgiFormat.Unknown ||
(arraySize == uint.MaxValue && viewDimension == D3D11UavDimension.Texture2DArray))
{
var description = texture.Description;
if (format == DxgiFormat.Unknown)
{
format = description.Format;
}
if (arraySize == uint.MaxValue)
{
arraySize = description.ArraySize - firstArraySlice;
}
}
this.format = format;
switch (viewDimension)
{
case D3D11UavDimension.Texture2D:
this.texture2D = new D3D11Texture2DUav
{
MipSlice = mipSlice
};
break;
case D3D11UavDimension.Texture2DArray:
this.texture2DArray = new D3D11Texture2DArrayUav
{
MipSlice = mipSlice,
FirstArraySlice = firstArraySlice,
ArraySize = arraySize
};
break;
default:
throw new ArgumentOutOfRangeException("viewDimension");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="D3D11UnorderedAccessViewDesc"/> struct.
/// </summary>
/// <param name="viewDimension">The resource type of the view.</param>
/// <param name="format">The viewing format.</param>
/// <param name="mipSlice">The index of the mipmap level to use mip slice.</param>
/// <param name="firstArraySlice">The index of the first element to use in an array of elements.</param>
/// <param name="arraySize">The number of elements in the array.</param>
/// <param name="bufferOptions">The view options for a buffer.</param>
public D3D11UnorderedAccessViewDesc(
D3D11UavDimension viewDimension,
DxgiFormat format,
uint mipSlice,
uint firstArraySlice,
uint arraySize,
D3D11BufferUavOptions bufferOptions)
{
this.buffer = new D3D11BufferUav();
this.texture1D = new D3D11Texture1DUav();
this.texture1DArray = new D3D11Texture1DArrayUav();
this.texture2D = new D3D11Texture2DUav();
this.texture2DArray = new D3D11Texture2DArrayUav();
this.texture3D = new D3D11Texture3DUav();
this.format = format;
this.viewDimension = viewDimension;
switch (viewDimension)
{
case D3D11UavDimension.Buffer:
this.buffer = new D3D11BufferUav
{
FirstElement = mipSlice,
NumElements = firstArraySlice,
Options = bufferOptions
};
break;
case D3D11UavDimension.Texture1D:
this.texture1D = new D3D11Texture1DUav
{
MipSlice = mipSlice
};
break;
case D3D11UavDimension.Texture1DArray:
this.texture1DArray = new D3D11Texture1DArrayUav
{
MipSlice = mipSlice,
FirstArraySlice = firstArraySlice,
ArraySize = arraySize
};
break;
case D3D11UavDimension.Texture2D:
this.texture2D = new D3D11Texture2DUav
{
MipSlice = mipSlice
};
break;
case D3D11UavDimension.Texture2DArray:
this.texture2DArray = new D3D11Texture2DArrayUav
{
MipSlice = mipSlice,
FirstArraySlice = firstArraySlice,
ArraySize = arraySize
};
break;
case D3D11UavDimension.Texture3D:
this.texture3D = new D3D11Texture3DUav
{
MipSlice = mipSlice,
FirstWSlice = firstArraySlice,
WSize = arraySize
};
break;
default:
throw new ArgumentOutOfRangeException("viewDimension");
}
}
