###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!)
# SDL_SetRenderDrawBlendMode

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

## Header File

Defined in [SDL_render.h](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_render.h), but apps should use `#include <SDL3/SDL.h>`

## Syntax

```c
int SDL_SetRenderDrawBlendMode(SDL_Renderer *renderer, SDL_BlendMode blendMode);

```

## Function Parameters

|                   |                                                        |
| ----------------- | ------------------------------------------------------ |
| **renderer**      | the rendering context                                  |
| **blendMode**     | the [SDL_BlendMode](SDL_BlendMode) to use for blending |

## Return Value

Returns 0 on success or a negative error code on failure; call
[SDL_GetError](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 3.0.0.

## See Also

* [SDL_GetRenderDrawBlendMode](SDL_GetRenderDrawBlendMode)

----
[CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryRender](CategoryRender)