sdlxGetRenderVSync function render

int? sdlxGetRenderVSync(Pointer<SdlRenderer> renderer)

Get VSync of the given renderer.

\param renderer the renderer to toggle. \param vsync an int filled with the current vertical refresh sync interval. See SDL_SetRenderVSync() for the meaning of the value. \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_SetRenderVSync

extern SDL_DECLSPEC bool SDLCALL SDL_GetRenderVSync(SDL_Renderer *renderer, int *vsync)

See also:

• SDL_GetRenderVSync - SDL3 Wiki

Implementation

int? sdlxGetRenderVSync(Pointer<SdlRenderer> renderer) {
  var vsync = 0;
  final vsyncPointer = ffi.calloc<Int32>();
  final result = sdlGetRenderVSync(renderer, vsyncPointer);
  if (result) {
    vsync = vsyncPointer.value;
  }
  vsyncPointer.callocFree();
  if (!result) {
    return null;
  }
  return vsync;
}