Comments (18)
SimonDanisch
commented on June 25, 2024
Do have the newest version of GLWindow and GLVisualize? If yes, do have a code sample to reproduce this?
from glvisualize.jl.
rapus95
commented on June 25, 2024
minimal working sample:
using GLWindow, GLVisualize
GLVisualize.glscreen()
well thinking about the reasons i might ask whether it's because i use Julia 0.5?
Version 0.5.0-dev+1526 (2015-11-30 04:16 UTC)
Commit b775873 (88 days old master)
from glvisualize.jl.
blegat
commented on June 25, 2024
I use Julia 0.5:
Version 0.5.0-dev+1491 (2015-11-27 16:54 UTC)
Commit 41fb1ba (90 days old master)
x86_64-linux-gnu
and everything works fine
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rapus95
commented on June 25, 2024
i'm on windows so maybe there is some problem with the UAC?
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SimonDanisch
commented on June 25, 2024
Could you try:
using GLFW
monitor=GLFW.GetPrimaryMonitor()
GLFW.GetMonitorName(monitor)?
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rapus95
commented on June 25, 2024
the last call crashes in the same exception
julia> GLFW.GetMonitorName(monitor)
Please submit a bug report with steps to reproduce this fault, and any error messages that follow (in their entirety). Thanks.
Exception: EXCEPTION_ACCESS_VIOLATION at 0x61554600 -- glfwGetMonitorName at C:\WINDOWS\SYSTEM32\glfw3.DLL (unknown line)
while loading no file, in expression starting on line 0
glfwGetMonitorName at C:\WINDOWS\SYSTEM32\glfw3.DLL (unknown line)
GetMonitorName at C:\Users\necka\.julia\v0.5\GLFW\src\glfw3.jl:325
jlcall_GetMonitorName_1678 at (unknown line)
jl_apply_generic at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
jl_interpret_toplevel_expr at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
jl_interpret_toplevel_thunk_with at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
jl_eval_with_compiler_p at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
jl_f_tuple at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
eval at boot.jl:263
jl_apply_generic at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
eval_user_input at REPL.jl:3
jlcall_eval_user_input_1205 at (unknown line)
jl_apply_generic at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
anonymous at REPL.jl:92
jl_switchto at C:\Program Files\Julia\bin\libjulia.dll (unknown line)from glvisualize.jl.
SimonDanisch
commented on June 25, 2024
Okay so your GLFW is broken in some way...
You said something like "I installed the newest version" .... Did you try to just let GLFW install it with Pkg.build("GLFW")?
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rapus95
commented on June 25, 2024
i haven't done before but now i did and now i'm getting an even more weird error (this time the error itself says in an unknown function):
julia> using GLFW
julia> monitor=GLFW.GetPrimaryMonitor()
Monitor(Ptr{Void} @0x0000000000000000)
julia> GLFW.GetMonitorName(monitor)
Please submit a bug report with steps to reproduce this fault, and any error messages that follow (in their entirety). Thanks.
Exception: EXCEPTION_ACCESS_VIOLATION at 0x61554600 -- unknown function (ip: 0000000061554600)
while loading no file, in expression starting on line 0
glfwGetMonitorName at (unknown line)
GetMonitorName at C:\Users\necka\.julia\v0.5\GLFW\src\glfw3.jl:325
jlcall_GetMonitorName_1727 at (unknown line)
jl_apply_generic at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
jl_interpret_toplevel_expr at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
jl_interpret_toplevel_thunk_with at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
jl_eval_with_compiler_p at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
jl_f_tuple at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
eval at boot.jl:263
jl_apply_generic at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
eval_user_input at REPL.jl:3
jlcall_eval_user_input_1205 at (unknown line)
jl_apply_generic at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
anonymous at REPL.jl:92
jl_switchto at C:\Program Files\Julia\bin\libjulia.dll (unknown line)from glvisualize.jl.
SimonDanisch
commented on June 25, 2024
huh... now that I look at the code in glfw3.jl:325, this might as well some problem with ccall.
Can you try:
ccall( (:glfwGetMonitorName, GLFW.lib), Ptr{Cchar}, (GLFW.Monitor,), monitor)from glvisualize.jl.
rapus95
commented on June 25, 2024
yeah it's erroring:
julia> using GLFW
julia> monitor=GLFW.GetPrimaryMonitor()
Monitor(Ptr{Void} @0x0000000000000000)
julia> ccall( (:glfwGetMonitorName, GLFW.lib), Ptr{Cchar}, (GLFW.Monitor,), monitor)
Please submit a bug report with steps to reproduce this fault, and any error messages that follow (in their entirety). Thanks.
Exception: EXCEPTION_ACCESS_VIOLATION at 0x61554600 -- unknown function (ip: 0000000061554600)
while loading no file, in expression starting on line 0
glfwGetMonitorName at (unknown line)
anonymous at essentials.jl:114
jl_eval_with_compiler_p at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
jl_f_tuple at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
eval at boot.jl:263
jl_apply_generic at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
eval_user_input at REPL.jl:3
jlcall_eval_user_input_1204 at (unknown line)
jl_apply_generic at C:\Program Files\Julia\bin\libjulia.dll (unknown line)
anonymous at REPL.jl:92
jl_switchto at C:\Program Files\Julia\bin\libjulia.dll (unknown line)from glvisualize.jl.
SimonDanisch
commented on June 25, 2024
oh... the first one is already null ... This is why people preach about proper error checks!
You don't happen to have no monitor? :D
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rapus95
commented on June 25, 2024
I've a laptop so it's some kind of built-in monitor
(but a plug to connect to my eyes would be nice too :D)
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SimonDanisch
commented on June 25, 2024
hmm... So this could happen if GLFW.Init() wasn't called... But this should have been called in the __init__() of GLFW... Can you try to put it before the call nevertheless?
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rapus95
commented on June 25, 2024
Still null :/
Btw i'm having Nivida Optimus (Nvidia GPU & Intel GPU at once while Nvidia data is passed through the intel GPU
julia> using GLFW
julia> GLFW.Init()
true
julia> monitor=GLFW.GetPrimaryMonitor()
Monitor(Ptr{Void} @0x0000000000000000)
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SimonDanisch
commented on June 25, 2024
Huh... so that's my only guess than:
http://stackoverflow.com/questions/35486681/glfwgetprimarymonitor-is-returning-0/35519919
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rapus95
commented on June 25, 2024
so i uninstalled my intel gpu since there isn't any dedicated entry for a monitor
(->800x600 resolution) but after some mins windows recognized it back and now primaryMonitor atleast doesn't return null anymore :D
Tested one of the examples. Everything works fine now (except some performance problems...)
So is there a way to specify what gpu to use?
P.S. I gonna close the related issue in GLWindow ...
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SimonDanisch
commented on June 25, 2024
uh, I guess this would be much rather a driver issue... Usually you can tell your driver settings what GPU to use.
Since GLVisualize won't work with multiple GPU's anytime soon, this shouldn't be at all handled on the GLVisualize level.
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rapus95
commented on June 25, 2024
ok then finally thanks for supporting to resolve my individual problems and i'm feeling a bit ashamed for requiring so much of your time that could be used for further improving the whole julia environment x)
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