A macro to determine if an SDL_Colorspace has a full range.
Defined in <SDL3/SDL_pixels.h>
#define SDL_ISCOLORSPACE_FULL_RANGE(cspace)          (SDL_COLORSPACERANGE(cspace) == SDL_COLOR_RANGE_FULL)| cspace | an SDL_Colorspace to check. | 
Returns true if full range, false otherwise.
It is safe to call this macro from any thread.
This macro is available since SDL 3.2.0.