NAME¶

SDL_GetSurfaceAlphaMod - Get the additional alpha value used in blit operations.

SYNOPSIS¶

#include <SDL3/SDL_surface.h>

bool SDL_GetSurfaceAlphaMod(SDL_Surface *surface, Uint8 *alpha);

FUNCTION PARAMETERS¶

surface

the SDL_Surface structure to query.

alpha

a pointer filled in with the current alpha value.

RETURN VALUE¶

for more information.

THREAD SAFETY¶

It is safe to call this function from any thread.

AVAILABILITY¶

This function is available since SDL 3.2.0.

SEE ALSO¶

SDL_GetSurfaceColorMod(3), SDL_SetSurfaceAlphaMod(3)