(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_SetSurfaceBlendMode

Set the blend mode used for blit operations.

Header File

Defined in SDL_surface.h, but apps should use #include <SDL3/SDL.h>

Syntax

int SDL_SetSurfaceBlendMode(SDL_Surface *surface, SDL_BlendMode blendMode);

Function Parameters

surface	the SDL_Surface structure to update
blendMode	the SDL_BlendMode to use for blit blending

Return Value

Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

Remarks

To copy a surface to another surface (or texture) without blending with the existing data, the blendmode of the SOURCE surface should be set to SDL_BLENDMODE_NONE.

Version

This function is available since SDL 3.0.0.