Man page - sdl_setrenderdrawblendmode(3)

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Manual

SDL_SetRenderDrawBlendMode(3) SDL3 FUNCTIONS SDL_SetRenderDrawBlendMode(3)

SDL_SetRenderDrawBlendMode - Set the blend mode used for drawing operations (Fill and Line).

Defined in SDL3/SDL_render.h

#include "SDL3/SDL.h"
bool SDL_SetRenderDrawBlendMode(SDL_Renderer *renderer, SDL_BlendMode blendMode);

If the blend mode is not supported, the closest supported mode is chosen.

the rendering context.
the SDL_BlendMode
to use for blending.

Returns true on success or false on failure; call

SDL_GetError () for more information.

This function should only be called on the main thread.

This function is available since SDL 3.2.0.

•(3), SDL_GetRenderDrawBlendMode(3)

SDL 3.2.10 Simple Directmedia Layer