public static DX11StructuredBuffer CreateWriteable(DxDevice device, int elemenCount, int stride, eDxBufferMode mode = eDxBufferMode.Default)
{
BufferDescription bd = new BufferDescription()
{
BindFlags = BindFlags.ShaderResource | BindFlags.UnorderedAccess,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.BufferStructured,
SizeInBytes = stride * elemenCount,
StructureByteStride = stride,
Usage = ResourceUsage.Default
};
return(new DX11StructuredBuffer(device, elemenCount, stride, bd, mode));
}
public static DX11StructuredBuffer CreateWriteable <T>(DxDevice device, int elementcount, eDxBufferMode mode = eDxBufferMode.Default) where T : struct
{
return(CreateWriteable(device, elementcount, Marshal.SizeOf(typeof(T)), mode));
}
public static DX11StructuredBuffer CreateTiled <T>(DxDevice device, int elementCount, eDxBufferMode buffermode = eDxBufferMode.Default) where T : struct
{
int stride = Marshal.SizeOf(typeof(T));
return(CreateTiled(device, elementCount, stride, buffermode));
}
protected DX11StructuredBuffer(DxDevice device, int elementcount, int stride, BufferDescription desc, eDxBufferMode buffermode = eDxBufferMode.Default)
{
this.device = device;
this.ElementCount = elementcount;
this.Stride = stride;
this.Buffer = new SharpDX.Direct3D11.Buffer(device.Device, desc);
this.ShaderView = new ShaderResourceView(device.Device, this.Buffer);
this.BufferMode = buffermode;
UnorderedAccessViewDescription uavd = new UnorderedAccessViewDescription()
{
Format = SharpDX.DXGI.Format.Unknown,
Dimension = UnorderedAccessViewDimension.Buffer,
Buffer = new UnorderedAccessViewDescription.BufferResource()
{
ElementCount = this.ElementCount,
Flags = (UnorderedAccessViewBufferFlags)buffermode
}
};
this.UnorderedView = new UnorderedAccessView(device.Device, this.Buffer, uavd);
}
public static DX11StructuredBuffer CreateTiled(DxDevice device, int elementCount, int stride, eDxBufferMode buffermode = eDxBufferMode.Default)
{
BufferDescription desc = new BufferDescription()
{
BindFlags = BindFlags.ShaderResource | BindFlags.UnorderedAccess,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.BufferStructured | ResourceOptionFlags.Tiled,
SizeInBytes = elementCount * stride,
StructureByteStride = stride,
Usage = ResourceUsage.Default
};
return(new DX11StructuredBuffer(device, elementCount, stride, desc, buffermode));
}
public DX11StructuredBuffer PlaceStructuredBuffer(RenderContext context, int elementCount, int stride, eDxBufferMode mode)
{
var buffer = DX11StructuredBuffer.CreateTiled(this.device, elementCount, stride, mode);
int size = buffer.Buffer.Description.SizeInBytes;
this.AggregateMemory(context, size);
MapEntireResource(context, buffer.Buffer);
this.currentRangeOffset = this.aggregatedPageCount;
return(buffer);
}
public ResourcePoolEntry <DX11StructuredBuffer> Lock(int stride, int numelements, eDxBufferMode mode = eDxBufferMode.Default)
{
lock (lockObject)
{
foreach (ResourcePoolEntry <DX11StructuredBuffer> entry in this.pool)
{
DX11StructuredBuffer tr = entry.Element;
if (!entry.IsLocked && tr.ElementCount == numelements && tr.Stride == stride && tr.BufferMode == mode)
{
entry.Lock();
return(entry);
}
}
DX11StructuredBuffer res = DX11StructuredBuffer.CreateWriteable(device, numelements, stride, mode);
ResourcePoolEntry <DX11StructuredBuffer> newentry = new ResourcePoolEntry <DX11StructuredBuffer>(res);
this.pool.Add(newentry);
return(newentry);
}
}
public ResourcePoolEntry <DX11StructuredBuffer> LockStructuredBuffer <T>(int numelements, eDxBufferMode mode = eDxBufferMode.Default) where T : struct
{
return(this.sbufferpool.Lock(Marshal.SizeOf(typeof(T)), numelements, mode));
}
public ResourcePoolEntry <DX11StructuredBuffer> LockStructuredBuffer(int stride, int numelements, eDxBufferMode mode = eDxBufferMode.Default)
{
return(this.sbufferpool.Lock(stride, numelements, mode));
}
