Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_GetSurfaceBlendMode - Get the blend mode used for blit operations.
SYNOPSIS
#include <SDL3/SDL_surface.h>
bool SDL_GetSurfaceBlendMode(SDL_Surface *surface, SDL_BlendMode *blendMode);
FUNCTION PARAMETERS
surface
the SDL_Surface structure to query.
blendMode
a pointer filled in with the current SDL_BlendMode.
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_SetSurfaceBlendMode(3)
Simple Directmedia Layer SDL 3.2.20 SDL_GetSurfaceBlendMode(3)