empty! the GLMakie screen for reuse instead of closeing and reopening
#3881
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This is likely not correct and can't be merged like this, but good to know that this fixes it... |
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The second commit caused an accumulation of screens and therefore a ballooning memory use. The latest commit simplifies by just copying what seems to be the only line in the |
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The debug output to compare to #2453 (comment) is julia> using GLMakie
julia> ENV["JULIA_DEBUG"] = "GLMakie"
"GLMakie"
julia> scatter(rand(10))
┌ Debug: new singleton screen
└ @ GLMakie ~/.julia/dev/Makie/GLMakie/src/screen.jl:328
┌ Debug: reopening screen
└ @ GLMakie ~/.julia/dev/Makie/GLMakie/src/screen.jl:295
┌ Debug: Applying screen config! to existing screen
└ @ GLMakie ~/.julia/dev/Makie/GLMakie/src/screen.jl:341
┌ Debug: display scene on screen
└ @ GLMakie ~/.julia/dev/Makie/GLMakie/src/screen.jl:407
julia> scatter(rand(10))
┌ Debug: reusing singleton screen
└ @ GLMakie ~/.julia/dev/Makie/GLMakie/src/screen.jl:323
┌ Debug: Leaving renderloop, cause: stopped renderloop
└ @ GLMakie ~/.julia/dev/Makie/GLMakie/src/screen.jl:953
┌ Debug: empty screen!
└ @ GLMakie ~/.julia/dev/Makie/GLMakie/src/screen.jl:570
┌ Debug: reopening screen
└ @ GLMakie ~/.julia/dev/Makie/GLMakie/src/screen.jl:295
┌ Debug: Applying screen config! to existing screen
└ @ GLMakie ~/.julia/dev/Makie/GLMakie/src/screen.jl:341
┌ Debug: display scene on screen
└ @ GLMakie ~/.julia/dev/Makie/GLMakie/src/screen.jl:407 |
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…ning
This fixes a problem observed on Linux (across at least a couple of
different desktop environments) with windows flashing away and coming
back in a different place (can be a different monitor!) when reusing the
shared singleton screen.
Also, wait for renderloop task to stop before restoring
`close_after_renderloop` value. Without this, one can observe that the
singleton window is fully closed and reopened by applying the following
patch:
```diff
diff --git a/GLMakie/src/screen.jl b/GLMakie/src/screen.jl
index ff8b69fdc..e18b8ba6b 100644
--- a/GLMakie/src/screen.jl
+++ b/GLMakie/src/screen.jl
@@ -839,6 +839,7 @@ function pause_renderloop!(screen::Screen)
end
function stop_renderloop!(screen::Screen; close_after_renderloop=screen.close_after_renderloop)
+ yield()
# don't double close when stopping renderloop
c = screen.close_after_renderloop
screen.close_after_renderloop = close_after_renderloop
@@ -974,7 +975,7 @@ function renderloop(screen)
end
if screen.close_after_renderloop
try
- @debug("Closing screen after quiting renderloop!")
+ @info("Closing screen after quiting renderloop!")
close(screen)
catch e
@warn "error closing screen" exception=(e, Base.catch_backtrace())
```
which aims to force the renderloop's task to run via the call to
`yield()` so that the task is sleeping during the rest of the function
call. (The logging change just makes the particular action easier to
find than enabling debug-level logging.)
Opening a plot and replotting at the REPL, I observe both the window
quickly close and reappear and the log message being printed by the end
of the renderloop:
```julia-repl
julia> using GLMakie
Precompiling GLMakie
Info Given GLMakie was explicitly requested, output will be shown live
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
[ Info: Closing screen after quiting renderloop!
1 dependency successfully precompiled in 21 seconds. 303 already precompiled.
1 dependency had output during precompilation:
┌ GLMakie
│ [Output was shown above]
└
julia> scatter([1, 6])
julia> scatter([1, 6])
[ Info: Closing screen after quiting renderloop!
```
With the changes in this commit, all of the log message disappear,
including from the precompile process.
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Description
Fixes #2453
This fixes a problem observed on Linux (across at least a couple of different desktop environments) with windows flashing away and coming back in a different place (can be a different monitor!) when reusing the shared singleton screen.
Type of change