Hi, > Actually that's not strictly true. Since you only do a pread here, it will > only synchronize against the last declared write to the bo. > There's no guaranteed sync with the last batch for a set of read-only bo. > Similarly, because of no domain tracking, it won't also ensure that the bo is > cache coherent before the read back.
Futz. Would then doing brw_bo_map() with flags having value MAP_READ be sufficient then? This is what function brw_get_buffer_subdata() of intel_buffer_objects.c does to copy BO contents to application supplied buffer. -Kevin _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
