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GHOST/Wayland: use monotonic timer for getMilliSeconds 

This is closer to Wayland's own time-stamps, using this also allows for
optimizations calculating time-stamps from events.
This commit is contained in:
Campbell Barton 2023-12-07 15:24:55 +11:00
parent edc503356a
commit 57a1e9207f
2 changed files with 10 additions and 0 deletions
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8
intern/ghost/intern/GHOST_SystemWayland.cc
View File

@ -6956,6 +6956,14 @@ uint8_t GHOST_SystemWayland::getNumDisplays() const
return display_ ? uint8_t(display_->outputs.size()) : 0;
}
uint64_t GHOST_SystemWayland::getMilliSeconds() const
{
/* Match the timing method used by LIBINPUT, so the result is closer to WAYLAND's time-stamps. */
struct timespec ts = {0, 0};
clock_gettime(CLOCK_MONOTONIC, &ts);
return ((uint64_t(ts.tv_sec) * 1000) + (ts.tv_nsec / 1000000));
}
static GHOST_TSuccess getCursorPositionClientRelative_impl(
const GWL_SeatStatePointer *seat_state_pointer,
const GHOST_WindowWayland *win,

2
intern/ghost/intern/GHOST_SystemWayland.hh
View File

@ -154,6 +154,8 @@ class GHOST_SystemWayland : public GHOST_System {
uint8_t getNumDisplays() const override;
uint64_t getMilliSeconds() const override;
GHOST_TSuccess getCursorPositionClientRelative(const GHOST_IWindow *window,
int32_t &x,
int32_t &y) const override;