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

SDL_SetRenderDrawBlendMode

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

Header File

Defined in <SDL3/SDL_render.h>

Syntax

bool SDL_SetRenderDrawBlendMode(SDL_Renderer *renderer, SDL_BlendMode blendMode);

Function Parameters

SDL_Renderer *	renderer	the rendering context.
SDL_BlendMode	blendMode	the SDL_BlendMode to use for blending.

Return Value

(bool) Returns true on success or false on failure; call SDL_GetError() for more information.

Remarks

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

Thread Safety

You may only call this function from the main thread.

Version

This function is available since SDL 3.1.3.

See Also

• SDL_GetRenderDrawBlendMode

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CategoryAPI, CategoryAPIFunction, CategoryRender

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