/// <summary>
/// Sets blittable values.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="parameter"></param>
/// <param name="count"></param>
/// <param name="firstValue"></param>
public unsafe void Set <T>(ValueParameter <T> parameter, int count, ref T firstValue) where T : struct
{
// Align to float4
var stride = (Utilities.SizeOf <T>() + 15) / 16 * 16;
var elementCount = parameter.Count;
if (count > elementCount)
{
throw new IndexOutOfRangeException();
}
fixed(byte *dataValues = DataValues)
{
var dataPtr = (IntPtr)dataValues + parameter.Offset;
var value = Interop.Pin(ref firstValue);
for (int i = 0; i < count; ++i)
{
Utilities.Write(dataPtr, ref value);
dataPtr += stride;
value = Interop.IncrementPinned(value);
}
}
}
/// <summary>
/// Sets blittable values.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="parameter"></param>
/// <param name="values"></param>
public void Set <T>(ValueParameter <T> parameter, int count, ref T firstValue) where T : struct
{
var data = GetValuePointer(parameter);
// Align to float4
var stride = (Utilities.SizeOf <T>() + 15) / 16 * 16;
var elementCount = parameter.Count;
if (count > elementCount)
{
throw new IndexOutOfRangeException();
}
var value = Interop.Pin(ref firstValue);
for (int i = 0; i < count; ++i)
{
Utilities.Write(data, ref value);
data += stride;
value = Interop.IncrementPinned(value);
}
}
/// <summary>
/// Gets a value.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="parameter"></param>
/// <returns></returns>
public unsafe T Get <T>(ValueParameter <T> parameter) where T : struct
{
fixed(byte *dataValues = DataValues)
return(Utilities.Read <T>((IntPtr)dataValues + parameter.Offset));
}
/// <summary>
/// Sets a blittable value.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="parameter"></param>
/// <param name="value"></param>
public unsafe void Set <T>(ValueParameter <T> parameter, ref T value) where T : struct
{
fixed(byte *dataValues = DataValues)
Utilities.Write((IntPtr)dataValues + parameter.Offset, ref value);
}
/// <summary>
/// Gets pointer to directly copy blittable values.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="parameter"></param>
/// <returns></returns>
public unsafe IntPtr GetValuePointer <T>(ValueParameter <T> parameter) where T : struct
{
fixed(byte *dataValues = DataValues)
return((IntPtr)dataValues + parameter.Offset);
}
