/// <summary>
/// Gets the <see cref="ImageSubContent" /> by reference given the specified cube-face index and mipmap
/// level index.
/// </summary>
/// <param name="cubeFaceIndex">The cube-face index.</param>
/// <param name="mipMapIndex">The zero-based mipmap level index.</param>
/// <returns>A <see cref="ImageSubContent" />.</returns>
public readonly ref ImageSubContent SubImage(ImageCubeFaceIndex cubeFaceIndex, int mipMapIndex = 0)
{
fixed(ImageContent *imageContent = &this)
{
var ptr = (ImageSubContent *)&imageContent->_subImage[0];
var pointerOffset = ((int)cubeFaceIndex * (int)sokol_gfx.sg_cube_face.SG_CUBEFACE_NUM) + mipMapIndex;
return(ref *(ptr + pointerOffset));
}
}
/// <summary>
/// Gets the <see cref="ImageSubContent" /> by reference given the specified cube-face index and mipmap
/// level index.
/// </summary>
/// <param name="cubeFaceIndex">The cube-face index.</param>
/// <param name="mipMapIndex">The zero-based mipmap level index.</param>
/// <returns>A <see cref="ImageSubContent" />.</returns>
public readonly ref ImageSubContent SubImage(ImageCubeFaceIndex cubeFaceIndex, int mipMapIndex = 0)
{
fixed(ImageContent *imageContent = &this)
{
var ptr = (ImageSubContent *)&imageContent->_subImage[0];
var pointerOffset = ((int)cubeFaceIndex * 6) + mipMapIndex;
return(ref *(ptr + pointerOffset));
}
}
