# SDL_UploadToGPUBuffer
Uploads data from a transfer buffer to a buffer.
## 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_UploadToGPUBuffer(
SDL_GPUCopyPass *copy_pass,
const SDL_GPUTransferBufferLocation *source,
const SDL_GPUBufferRegion *destination,
bool cycle);
```
## Function Parameters
| | | |
| ---------------------------------------------------------------------- | --------------- | --------------------------------------------------------------------------------- |
| [SDL_GPUCopyPass](SDL_GPUCopyPass) * | **copy_pass** | a copy pass handle. |
| const [SDL_GPUTransferBufferLocation](SDL_GPUTransferBufferLocation) * | **source** | the source transfer buffer with offset. |
| const [SDL_GPUBufferRegion](SDL_GPUBufferRegion) * | **destination** | the destination buffer with offset and size. |
| bool | **cycle** | if true, cycles the buffer if it is already bound, otherwise overwrites the data. |
## Remarks
The upload occurs on the GPU timeline. You may assume that the upload has
finished in subsequent commands.
## Version
This function is available since SDL 3.2.0.
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[CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryGPU](CategoryGPU)