sdlxGetRenderDrawBlendMode function render

int? sdlxGetRenderDrawBlendMode(Pointer<SdlRenderer> renderer)

Get the blend mode used for drawing operations.

\param renderer the rendering context. \param blendMode a pointer filled in with the current SDL_BlendMode. \returns true on success or false on failure; call SDL_GetError() for more information.

\threadsafety This function should only be called on the main thread.

\since This function is available since SDL 3.2.0.

\sa SDL_SetRenderDrawBlendMode

extern SDL_DECLSPEC bool SDLCALL SDL_GetRenderDrawBlendMode(SDL_Renderer *renderer, SDL_BlendMode *blendMode)

See also:

• SDL_GetRenderDrawBlendMode - SDL3 Wiki

Implementation

int? sdlxGetRenderDrawBlendMode(Pointer<SdlRenderer> renderer) =>
    ffi.using((arena) {
      final blendModePointer = arena<Uint32>();

      final bl = sdlGetRenderDrawBlendMode(renderer, blendModePointer);

      if (!bl) {
        return null;
      }

      return blendModePointer.value;
    });