Provided by: libsdl3-doc_3.2.26+ds-2_all 

NAME
SDL_MapGPUTransferBuffer - Maps a transfer buffer into application address space.
SYNOPSIS
#include <SDL3/SDL_gpu.h>
void * SDL_MapGPUTransferBuffer(
SDL_GPUDevice *device,
SDL_GPUTransferBuffer *transfer_buffer,
bool cycle);
DESCRIPTION
You must unmap the transfer buffer before encoding upload commands. The memory is owned by the graphics
driver - do NOT call SDL_free() on the returned pointer.
FUNCTION PARAMETERS
device a GPU context.
transfer_buffer
a transfer buffer.
cycle if true, cycles the transfer buffer if it is already bound.
RETURN VALUE
for more information.
AVAILABILITY
This function is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.26 SDL_MapGPUTransferBuffer(3)