public static DX11RawBuffer CreateWriteable(DxDevice device, int size, RawBufferBindings binding)
{
BufferDescription bd = new BufferDescription()
{
BindFlags = BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.BufferAllowRawViews,
SizeInBytes = size,
Usage = ResourceUsage.Default,
StructureByteStride = 4
};
bd.BindFlags |= binding.WriteMode == eRawBufferWriteMode.Uav ? BindFlags.UnorderedAccess : 0;
bd.BindFlags |= binding.AllowIndexBuffer ? BindFlags.IndexBuffer : 0;
bd.BindFlags |= binding.AllowVertexBuffer ? BindFlags.VertexBuffer : 0;
bd.BindFlags |= binding.WriteMode == eRawBufferWriteMode.StreamOut ? BindFlags.StreamOutput : 0;
return(new DX11RawBuffer(device, bd, IntPtr.Zero, binding.WriteMode == eRawBufferWriteMode.Uav));
}
public static DX11RawBuffer CreateImmutable(DxDevice device, DataStream initial, RawBufferBindings binding)
{
BufferDescription bd = new BufferDescription()
{
BindFlags = BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.BufferAllowRawViews,
SizeInBytes = (int)initial.Length,
Usage = ResourceUsage.Immutable
};
//Ignore UAV/StreamOut, since our buffer is immutable
bd.BindFlags |= binding.AllowIndexBuffer ? BindFlags.IndexBuffer : 0;
bd.BindFlags |= binding.AllowVertexBuffer ? BindFlags.VertexBuffer : 0;
return(new DX11RawBuffer(device, bd, initial.DataPointer, false));
}
