Set the blend mode used for blit operations.
int SDL_SetSurfaceBlendMode(SDL_Surface * surface, SDL_BlendMode blendMode);
|surface||the SDL_Surface structure to update|
|blendMode||the SDL_BlendMode to use for blit blending|
Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.
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
This function is available since SDL 2.0.0.