Re: Does gbm_bo_map() implicitly synchronise?
Pierre Ossman <[email protected]>
| Newsgroups | gmane.comp.video.mesa3d.devel |
|---|---|
| Organization | Cendio AB |
| Message-ID | <[email protected]> |
On 15/06/2024 07:54, Marek Olšák wrote: > gbm_bo_map synchronizes if it needs to move memory to make the buffer > readable by the CPU or if the buffer is being used/written by the GPU. > Great, thanks! That means I need to look elsewhere for the source of my issue. I was concerned that since I was accessing the data using gbm_bo_map(), rather than using OpenGL, I was missing out on some synchronisation step and getting data before the GPU had finished any queued rendering. Regards -- Pierre Ossman Software Development Cendio AB http://cendio.com Teknikringen 8 http://twitter.com/ThinLinc 583 30 Linköping http://facebook.com/ThinLinc Phone: +46-13-214600 A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing?