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Only bail up pan updates if uppx > 16

only_draw_iv_for_ohlc
Tyler Goodlet 2022-04-04 17:29:33 -04:00
parent fccd17a4e2
commit a3fdc5c07b
1 changed files with 19 additions and 1 deletions
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20
piker/ui/_interaction.py
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@ -34,6 +34,7 @@ import numpy as np
import trio import trio
from ..log import get_logger from ..log import get_logger
from .._profile import pg_profile_enabled, ms_slower_then
from ._style import _min_points_to_show from ._style import _min_points_to_show
from ._editors import SelectRect from ._editors import SelectRect
from . import _event from . import _event
@ -862,15 +863,30 @@ class ChartView(ViewBox):
def maybe_downsample_graphics(self): def maybe_downsample_graphics(self):
profiler = pg.debug.Profiler(
disabled=not pg_profile_enabled(),
gt=3,
delayed=True,
)
# TODO: a faster single-loop-iterator way of doing this XD # TODO: a faster single-loop-iterator way of doing this XD
chart = self._chart chart = self._chart
# graphics = list(self._chart._graphics.values())
for name, graphics in chart._graphics.items(): for name, graphics in chart._graphics.items():
# TODO: make it so we don't have to do this XD # TODO: make it so we don't have to do this XD
# if name == 'volume': # if name == 'volume':
# continue # continue
uppx = graphics.x_uppx()
if (
uppx and uppx > 16
and self._ic is not None
):
# don't bother updating since we're zoomed out bigly and
# in a pan-interaction, in which case we shouldn't be
# doing view-range based rendering (at least not yet).
# print(f'{uppx} exiting early!')
return
use_vr = False use_vr = False
if isinstance(graphics, BarItems): if isinstance(graphics, BarItems):
@ -882,7 +898,9 @@ class ChartView(ViewBox):
name, name,
use_vr=use_vr, use_vr=use_vr,
) )
profiler(f'updated {name}')
profiler.finish()
# for graphic in graphics: # for graphic in graphics:
# ds_meth = getattr(graphic, 'maybe_downsample', None) # ds_meth = getattr(graphic, 'maybe_downsample', None)
# if ds_meth: # if ds_meth: