# SDL_GDKSuspendGPU Call this to suspend GPU operation on Xbox when you receive the [SDL_EVENT_DID_ENTER_BACKGROUND](SDL_EVENT_DID_ENTER_BACKGROUND) event. ## Header File Defined in [<SDL3/SDL_gpu.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_gpu.h) ## Syntax ```c void SDL_GDKSuspendGPU(SDL_GPUDevice *device); ``` ## Function Parameters | | | | | -------------------------------- | ---------- | -------------- | | [SDL_GPUDevice](SDL_GPUDevice) * | **device** | a GPU context. | ## Remarks Do NOT call any [SDL_GPU](SDL_GPU) functions after calling this function! This must also be called before calling [SDL_GDKSuspendComplete](SDL_GDKSuspendComplete). ## Version This function is available since SDL 3.2.0. ## See Also - [SDL_AddEventWatch](SDL_AddEventWatch) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryGPU](CategoryGPU)