/// <summary>
/// Creates a new instance of the <see cref="T:SharpDX.Direct3D11.Buffer"/> class.
/// </summary>
/// <typeparam name="T">Type of the data to upload</typeparam>
/// <param name="device">The device with which to associate the buffer.</param>
/// <param name="bindFlags">Flags specifying how the buffer will be bound to the pipeline.</param>
/// <param name="data">Initial data used to initialize the buffer.</param>
/// <param name="sizeInBytes">The size, in bytes, of the buffer. If 0 is specified, sizeof(T) is used. </param>
/// <param name="usage">The usage pattern for the buffer.</param>
/// <param name="accessFlags">Flags specifying how the buffer will be accessible from the CPU.</param>
/// <param name="optionFlags">Miscellaneous resource options.</param>
/// <param name="structureByteStride">The size (in bytes) of the structure element for structured buffers.</param>
/// <returns>An initialized buffer</returns>
/// <msdn-id>ff476501</msdn-id>
/// <unmanaged>HRESULT ID3D11Device::CreateBuffer([In] const D3D11_BUFFER_DESC* pDesc,[In, Optional] const D3D11_SUBRESOURCE_DATA* pInitialData,[Out, Fast] ID3D11Buffer** ppBuffer)</unmanaged>
/// <unmanaged-short>ID3D11Device::CreateBuffer</unmanaged-short>
public static Buffer Create <T>(
Device device,
BindFlags bindFlags,
ref T data,
int sizeInBytes = 0,
ResourceUsage usage = ResourceUsage.Default,
CpuAccessFlags accessFlags = CpuAccessFlags.None,
ResourceOptionFlags optionFlags = ResourceOptionFlags.None,
int structureByteStride = 0)
where T : struct
{
var buffer = new Buffer(IntPtr.Zero);
var description = new BufferDescription()
{
BindFlags = bindFlags,
CpuAccessFlags = accessFlags,
OptionFlags = optionFlags,
SizeInBytes = sizeInBytes == 0 ? Utilities.SizeOf <T>() : sizeInBytes,
Usage = usage,
StructureByteStride = structureByteStride
};
unsafe
{
device.CreateBuffer(ref description, new DataBox((IntPtr)Interop.Fixed(ref data)), buffer);
}
return(buffer);
}
/// <summary>
/// Creates a new instance of the <see cref="T:SharpDX.Direct3D11.Buffer"/> class.
/// </summary>
/// <typeparam name="T">Type of the data to upload</typeparam>
/// <param name="device">The device with which to associate the buffer.</param>
/// <param name="data">Initial data used to initialize the buffer.</param>
/// <param name="description">The description.</param>
/// <returns>
/// An initialized buffer
/// </returns>
/// <remarks>
/// If the <see cref="BufferDescription.SizeInBytes"/> is at 0, sizeof(T) * data.Length is used.
/// </remarks>
/// <msdn-id>ff476501</msdn-id>
/// <unmanaged>HRESULT ID3D11Device::CreateBuffer([In] const D3D11_BUFFER_DESC* pDesc,[In, Optional] const D3D11_SUBRESOURCE_DATA* pInitialData,[Out, Fast] ID3D11Buffer** ppBuffer)</unmanaged>
/// <unmanaged-short>ID3D11Device::CreateBuffer</unmanaged-short>
public static Buffer Create <T>(Device device, T[] data, BufferDescription description) where T : struct
{
var buffer = new Buffer(IntPtr.Zero);
unsafe
{
if (description.SizeInBytes == 0)
{
description.SizeInBytes = Utilities.SizeOf <T>() * data.Length;
}
device.CreateBuffer(ref description, new DataBox((IntPtr)Interop.Fixed(data)), buffer);
}
return(buffer);
}
/// <summary>
/// Initializes a new instance of the <see cref = "T:SharpDX.Direct3D11.Buffer" /> class.
/// </summary>
/// <param name = "device">The device with which to associate the buffer.</param>
/// <param name = "sizeInBytes">The size, in bytes, of the buffer.</param>
/// <param name = "usage">The usage pattern for the buffer.</param>
/// <param name = "bindFlags">Flags specifying how the buffer will be bound to the pipeline.</param>
/// <param name = "accessFlags">Flags specifying how the buffer will be accessible from the CPU.</param>
/// <param name = "optionFlags">Miscellaneous resource options.</param>
/// <param name = "structureByteStride">The size (in bytes) of the structure element for structured buffers.</param>
/// <msdn-id>ff476501</msdn-id>
/// <unmanaged>HRESULT ID3D11Device::CreateBuffer([In] const D3D11_BUFFER_DESC* pDesc,[In, Optional] const D3D11_SUBRESOURCE_DATA* pInitialData,[Out, Fast] ID3D11Buffer** ppBuffer)</unmanaged>
/// <unmanaged-short>ID3D11Device::CreateBuffer</unmanaged-short>
public Buffer(Device device, int sizeInBytes, ResourceUsage usage, BindFlags bindFlags,
CpuAccessFlags accessFlags, ResourceOptionFlags optionFlags, int structureByteStride)
: base(IntPtr.Zero)
{
var description = new BufferDescription()
{
BindFlags = bindFlags,
CpuAccessFlags = accessFlags,
OptionFlags = optionFlags,
SizeInBytes = sizeInBytes,
Usage = usage,
StructureByteStride = structureByteStride
};
device.CreateBuffer(ref description, null, this);
}
/// <summary>
/// Initializes a new instance of the <see cref="T:SharpDX.Direct3D11.Buffer" /> class.
/// </summary>
/// <param name="device">The device with which to associate the buffer.</param>
/// <param name="dataPointer">The data pointer.</param>
/// <param name="description">The description of the buffer.</param>
/// <msdn-id>ff476501</msdn-id>
/// <unmanaged>HRESULT ID3D11Device::CreateBuffer([In] const D3D11_BUFFER_DESC* pDesc,[In, Optional] const D3D11_SUBRESOURCE_DATA* pInitialData,[Out, Fast] ID3D11Buffer** ppBuffer)</unmanaged>
/// <unmanaged-short>ID3D11Device::CreateBuffer</unmanaged-short>
public Buffer(Device device, IntPtr dataPointer, BufferDescription description)
: base(IntPtr.Zero)
{
device.CreateBuffer(ref description, dataPointer != IntPtr.Zero ? new DataBox(dataPointer, 0, 0) : (DataBox?)null, this);
}
/// <summary>
/// Initializes a new instance of the <see cref = "T:SharpDX.Direct3D11.Buffer" /> class.
/// </summary>
/// <param name = "device">The device with which to associate the buffer.</param>
/// <param name = "data">Initial data used to initialize the buffer.</param>
/// <param name = "description">The description of the buffer.</param>
/// <msdn-id>ff476501</msdn-id>
/// <unmanaged>HRESULT ID3D11Device::CreateBuffer([In] const D3D11_BUFFER_DESC* pDesc,[In, Optional] const D3D11_SUBRESOURCE_DATA* pInitialData,[Out, Fast] ID3D11Buffer** ppBuffer)</unmanaged>
/// <unmanaged-short>ID3D11Device::CreateBuffer</unmanaged-short>
public Buffer(Device device, DataStream data, BufferDescription description)
: base(IntPtr.Zero)
{
device.CreateBuffer(ref description, new DataBox(data.PositionPointer, 0, 0), this);
}
/// <summary>
/// Initializes a new instance of the <see cref = "T:SharpDX.Direct3D11.Buffer" /> class.
/// </summary>
/// <param name = "device">The device with which to associate the buffer.</param>
/// <param name = "description">The description of the buffer.</param>
/// <msdn-id>ff476501</msdn-id>
/// <unmanaged>HRESULT ID3D11Device::CreateBuffer([In] const D3D11_BUFFER_DESC* pDesc,[In, Optional] const D3D11_SUBRESOURCE_DATA* pInitialData,[Out, Fast] ID3D11Buffer** ppBuffer)</unmanaged>
/// <unmanaged-short>ID3D11Device::CreateBuffer</unmanaged-short>
public Buffer(Device device, BufferDescription description)
: base(IntPtr.Zero)
{
device.CreateBuffer(ref description, null, this);
}