SDL_SetRenderDrawBlendMode - Man Page

#include <SDL3/SDL_render.h>

bool SDL_SetRenderDrawBlendMode(SDL_Renderer *renderer, SDL_BlendMode blendMode);

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

renderer

the rendering context.

blendMode

the SDL_BlendMode to use for blending.

for more information.

This function should only be called on the main thread.

This function is available since SDL 3.2.0.

SDL_GetRenderDrawBlendMode(3)

SDL_ComposeCustomBlendMode(3), SDL_GetRenderDrawBlendMode(3), SDL_RenderPresent(3).