4 ms·
This isn't supposed to happen. Worst case scenario, the DMA-BUF is copied internally in the GPU from hidden memory to visible memory, and then back to the CPU.
by emersion 7y ago
This isn't supposed to happen. Worst case scenario, the DMA-BUF is copied internally in the GPU from hidden memory to visible memory, and then back to the CPU.
Being able to export a DMA-BUF is necessary anyway for multi-GPU setups.
EDIT: fixed a s/GPU/CPU/ typo