public bool ReadValueByName <T>(string name, out T value) where T : unmanaged
{
var v = default(T);
if (IsValid && IsAttached)
{
lock (lck)
{
if (IsValid && IsAttached)
{
if (ModelConstBuffer.TryGetVariableByName(name, out var variable))
{
return(storage.Read(storageId, variable.StartOffset, out value));
}
else
{
#if DEBUG
throw new ArgumentException($"Variable not found in constant buffer {bufferDesc.Name}. Variable = {name}");
#else
Technique.EffectsManager.Logger.Log(Logger.LogLevel.Warning, $"Variable not found in constant buffer {bufferDesc.Name}. Variable = {name}");
value = v;
return(false);
#endif
}
}
}
}
value = v;
return(false);
}
/// <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);
}
