public void SetData <T>(
CubeMapFace cubeMapFace,
int level,
Rectangle?rect,
T[] data,
int startIndex,
int elementCount
) where T : struct
{
if (data == null)
{
throw new ArgumentNullException("data");
}
int xOffset, yOffset, width, height;
if (rect.HasValue)
{
xOffset = rect.Value.X;
yOffset = rect.Value.Y;
width = rect.Value.Width;
height = rect.Value.Height;
}
else
{
xOffset = 0;
yOffset = 0;
width = Math.Max(1, Size >> level);
height = Math.Max(1, Size >> level);
}
int elementSizeInBytes = Marshal.SizeOf(typeof(T));
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
FNA3D.FNA3D_SetTextureDataCube(
GraphicsDevice.GLDevice,
texture,
xOffset,
yOffset,
width,
height,
cubeMapFace,
level,
handle.AddrOfPinnedObject() + startIndex * elementSizeInBytes,
elementCount * elementSizeInBytes
);
handle.Free();
}
public void SetDataPointerEXT(
CubeMapFace cubeMapFace,
int level,
Rectangle?rect,
IntPtr data,
int dataLength
)
{
if (data == IntPtr.Zero)
{
throw new ArgumentNullException("data");
}
int xOffset, yOffset, width, height;
if (rect.HasValue)
{
xOffset = rect.Value.X;
yOffset = rect.Value.Y;
width = rect.Value.Width;
height = rect.Value.Height;
}
else
{
xOffset = 0;
yOffset = 0;
width = Math.Max(1, Size >> level);
height = Math.Max(1, Size >> level);
}
FNA3D.FNA3D_SetTextureDataCube(
GraphicsDevice.GLDevice,
texture,
xOffset,
yOffset,
width,
height,
cubeMapFace,
level,
data,
dataLength
);
}