public void SetData <T>(
int level,
Rectangle?rect,
T[] data,
int startIndex,
int elementCount
) where T : struct
{
if (data == null)
{
throw new ArgumentNullException("data");
}
int x, y, w, h;
if (rect.HasValue)
{
x = rect.Value.X;
y = rect.Value.Y;
w = rect.Value.Width;
h = rect.Value.Height;
}
else
{
x = 0;
y = 0;
w = Math.Max(Width >> level, 1);
h = Math.Max(Height >> level, 1);
}
int elementSize = Marshal.SizeOf(typeof(T));
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
FNA3D.FNA3D_SetTextureData2D(
GraphicsDevice.GLDevice,
texture,
x,
y,
w,
h,
level,
handle.AddrOfPinnedObject() + startIndex * elementSize,
elementCount * elementSize
);
handle.Free();
}
public void SetDataPointerEXT(
int level,
Rectangle?rect,
IntPtr data,
int dataLength
)
{
if (data == IntPtr.Zero)
{
throw new ArgumentNullException("data");
}
int x, y, w, h;
if (rect.HasValue)
{
x = rect.Value.X;
y = rect.Value.Y;
w = rect.Value.Width;
h = rect.Value.Height;
}
else
{
x = 0;
y = 0;
w = Math.Max(Width >> level, 1);
h = Math.Max(Height >> level, 1);
}
FNA3D.FNA3D_SetTextureData2D(
GraphicsDevice.GLDevice,
texture,
x,
y,
w,
h,
level,
data,
dataLength
);
}