(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)

SDL_SetRenderDrawBlendMode

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

Header File

Defined in SDL_render.h

Syntax

int SDL_SetRenderDrawBlendMode(SDL_Renderer * renderer,
                               SDL_BlendMode blendMode);

Function Parameters

renderer the rendering context
blendMode the SDL_BlendMode to use for blending

Return Value

Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

Remarks

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

Version

This function is available since SDL 2.0.0.

See Also

CategoryAPI, CategoryAPIFunction, CategoryRender