[vlc-devel] [PATCH v2 04/13] video_output: apply the mouse state just before rendering
remi at remlab.net
Tue Aug 18 09:16:57 CEST 2020
There are several problems with that fast-path approach.
1) If the mouse changes between the time of (fast) check and the time of render, it will be postponed by one frame interval. Not great for reactivity. Generally speaking, handling render timing differently with and without mouse events feels rather dangerous.
2) Some, if not all, mouse events cannot be merged. It's obvious for press and release. But it also applies for movement, if a filter checks for gestures.
Le 18 août 2020 07:12:35 GMT+02:00, Steve Lhomme <robux4 at ycbcr.xyz> a écrit :
>On 2020-08-17 20:31, Rémi Denis-Courmont wrote:
>> I don't understand why atomic_bool here.
>So we don't need to take a lock to check if we need to wait in
>ThreadDisplayPicture(). (and release it while before we wait or if we
>I don't have a strong feeling for either ways. The display_lock is
>already used for a lot of cases, so one more is not a big deal.
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