###### (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_UnmapGPUTransferBuffer Unmaps a previously mapped transfer buffer. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_gpu.h) ## Syntax ```c void SDL_UnmapGPUTransferBuffer( SDL_GPUDevice *device, SDL_GPUTransferBuffer *transfer_buffer); ``` ## Function Parameters | | | | | ------------------------------------------------ | ------------------- | ------------------------------------ | | [SDL_GPUDevice](SDL_GPUDevice) * | **device** | a GPU context. | | [SDL_GPUTransferBuffer](SDL_GPUTransferBuffer) * | **transfer_buffer** | a previously mapped transfer buffer. | ## Version This function is available since SDL 3.0.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryGPU](CategoryGPU)