internal static void Destroy(ref StructuredBufferId id)
{
if (id != StructuredBufferId.NULL)
{
Destroy(id); id = StructuredBufferId.NULL;
}
}
internal static void ResizeAndUpdateStaticStructuredBuffer(ref StructuredBufferId id, int capacity, int stride, IntPtr data, string debugName, MyRenderContext rc = null)
{
if (id == StructuredBufferId.NULL)
{
id = CreateStructuredBuffer(capacity, stride, false, data, debugName);
}
else
{
Debug.Assert(stride == id.Stride);
Debug.Assert(false == id.Dynamic);
if (id.Capacity < capacity)
{
SBuffersData[id.Index].Buffer.Dispose();
SBuffers.Data[id.Index].Description.SizeInBytes = stride * capacity;
InitStructuredBuffer(id, data);
}
else
{
if (rc == null)
{
rc = MyRender11.RC;
}
rc.UpdateSubresource(new DataBox(data, stride * capacity, 0), id.Buffer);
}
}
}
internal static StructuredBufferId CreateStructuredBuffer(BufferDescription description, IntPtr?data, string debugName)
{
var id = new StructuredBufferId {
Index = SBuffers.Allocate()
};
MyArrayHelpers.Reserve(ref SBuffersData, id.Index + 1);
SBuffers.Data[id.Index] = new MyHwBufferDesc {
Description = description, DebugName = debugName
};
SBuffersData[id.Index] = new MyStructuredBufferData {
};
SbIndices.Add(id);
if (!data.HasValue)
{
InitStructuredBuffer(id);
}
else
{
InitStructuredBuffer(id, data.Value);
}
return(id);
}
internal static void InitStructuredBuffer(StructuredBufferId id, IntPtr data)
{
SBuffersData[id.Index].Buffer = new Buffer(MyRender11.Device, data, SBuffers.Data[id.Index].Description);
SBuffersData[id.Index].Srv = new ShaderResourceView(MyRender11.Device, SBuffersData[id.Index].Buffer);
if (SBuffers.Data[id.Index].DebugName != null)
{
SBuffersData[id.Index].Buffer.DebugName = SBuffers.Data[id.Index].DebugName;
SBuffersData[id.Index].Srv.DebugName = SBuffers.Data[id.Index].DebugName;
}
}
internal static void Destroy(StructuredBufferId id)
{
SbIndices.Remove(id);
if (SBuffersData[id.Index].Buffer != null)
{
SBuffersData[id.Index].Buffer.Dispose();
SBuffersData[id.Index].Buffer = null;
}
if (SBuffersData[id.Index].Srv != null)
{
SBuffersData[id.Index].Srv.Dispose();
SBuffersData[id.Index].Srv = null;
}
SBuffers.Free(id.Index);
}
internal static BufferDescription GetBufferDesc(StructuredBufferId id)
{
return(SBuffers.Data[id.Index].Description);
}
internal static ShaderResourceView GetView(StructuredBufferId id)
{
return(id != StructuredBufferId.NULL ? SBuffersData[id.Index].Srv : null);
}
internal static Buffer GetBuffer(StructuredBufferId id)
{
return(SBuffersData[id.Index].Buffer);
}