Mario Kleiner <mario.kleiner...@gmail.com> writes: > It's just that i need access to both, the old behaviour i described, and > the new "drop frame" behaviour, and i need a way to select what i want > at runtime via api without the need for easily overwhelmed and confused > users to change config files or environment variables. I also always > need meaningful and trustworthy feedback, at least for page-flipped > presents, about what really happened for a presented frame - was it > flipped, copied, exchanged, skipped, or did some error happen?
Present reports precisely what it did with each frame; flipped, copied, or skipped. > That's why i'd like to have an extension to INTEL_swap_events to also > report some new completion type "skipped" and "error" and that one patch > 5/5 of mine for mesa reviewed and included, to make sure the swap_events > don't fall apart so easily. You can use Present events on the target drawable; they're generated to whoever requests them, so you don't need to rely on the intel swap events alone. > As some kind of stop gap measure one could also think about defining a > new vblank_mode to enable the new behaviour instead of the old one. I really don't have a good suggestion here, given that we have such a limited API available. -- keith.pack...@intel.com
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