/// <summary>
/// Updates the material structure. And upload data to constant buffer
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="context">The context.</param>
/// <param name="model">The model.</param>
public bool UpdateMaterialStruct <T>(DeviceContextProxy context, ref T model) where T : unmanaged
{
if (!initialized)
{
return(false);
}
if (NeedUpdate)
{
lock (updateLock)
{
if (NeedUpdate)
{
UpdateInternalVariables(context);
NeedUpdate = false;
}
}
}
var structSize = UnsafeHelper.SizeOf <T>();
var box = materialCB.Map(context);
UnsafeHelper.Write(box.DataPointer, ref model);
var succ = storage.Read(storageId, structSize,
box.DataPointer + structSize,
storage.StructSize - structSize);
materialCB.Unmap(context);
return(succ);
}
/// <summary>
/// Updates the non material structure.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="context">The context.</param>
/// <param name="model">The model.</param>
/// <returns></returns>
public bool UpdateNonMaterialStruct <T>(DeviceContextProxy context, ref T model) where T : unmanaged
{
if (!initialized)
{
return(false);
}
if (UnsafeHelper.SizeOf <T>() != nonMaterialCB.StructureSize)
{
Debug.Assert(false);
return(false);
}
var box = nonMaterialCB.Map(context);
UnsafeHelper.Write(box.DataPointer, ref model);
nonMaterialCB.Unmap(context);
return(true);
}