zenilib
0.5.3.0
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Functions | |
SDL_FORCE_INLINE int | SDL_MostSignificantBitIndex32 (Uint32 x) |
Functions for fiddling with bits and bitmasks.
Definition in file SDL_bits.h.
SDL_FORCE_INLINE int SDL_MostSignificantBitIndex32 | ( | Uint32 | x | ) |
Get the index of the most significant bit. Result is undefined when called with 0. This operation can also be stated as "count leading zeroes" and "log base 2".
Definition at line 51 of file SDL_bits.h.
References i.
Referenced by SDL_PrivateShouldInitSubsystem(), SDL_PrivateShouldQuitSubsystem(), SDL_PrivateSubsystemRefCountDecr(), SDL_PrivateSubsystemRefCountIncr(), and SDL_WasInit().