Flips the drawing of the specified sprite vertically so that its pixels are drawn from
bottom to top from the source image (section) instead of top to bottom.
Note that calling this function twice will reset the vertical ordering back to the default one.
Calling this function is equivalent of calling DX11 SET SPRITE UV with inverted top and bottom V coordinates.
Syntax
DX11 FLIP SPRITE sprite
Parameters
sprite
Dword The sprite to flip the drawing of vertically.