(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_SetSurfaceBlendMode

Set the blend mode used for blit operations.

Header File

Syntax

bool SDL_SetSurfaceBlendMode(SDL_Surface *surface, SDL_BlendMode blendMode);

Function Parameters

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

Return Value

(bool) Returns true on success or false 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 3.1.3.