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With latest godot getting 4.1 a lot of "This function in this node can only be accessed from either the main thread or a thread group" #4

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Ughuuu opened this issue May 28, 2023 · 3 comments
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With latest godot getting 4.1 a lot of "This function in this node can only be accessed from either the main thread or a thread group" #4

Ughuuu opened this issue May 28, 2023 · 3 comments
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@Ughuuu
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Ughuuu commented May 28, 2023 •
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About 25 errors similar to this one.

E 0:00:01:0591   get_viewport_rid: This function in this node can only be accessed from either the main thread or a thread group. Use call_deferred() instead.
  <C++ Error>    Condition "!is_readable_from_caller_thread()" is true. Returning: (RID())
  <C++ Source>   scene/main/viewport.cpp:927 @ get_viewport_rid()
@Ughuuu Ughuuu changed the title With latest godot getting a lot of "This function in this node can only be accessed from either the main thread or a thread group" With latest godot getting 4.1 a lot of "This function in this node can only be accessed from either the main thread or a thread group" May 28, 2023
@Calinou
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Calinou commented May 28, 2023 •
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cc @Ark2000

Does this occur with version 1.0.0 of this add-on? See #1 which moved some computations to a thread.

@Calinou Calinou added the bug label May 28, 2023
@matmas
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matmas commented Jun 4, 2023

I can also replicate the issue in v4.1.dev4.official [5c2295ff5] and 1.1.0 of this plugin. When I move the mentioned computations from the thread back to the _ready function to be called directly there then there are no errors produced.

@Calinou Calinou mentioned this issue Jun 8, 2023
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@Calinou
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Calinou commented Jun 26, 2023 •
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Still reproducible as of 3aaa78709 with version 1.1.1 of the add-on/demo:

ERROR: This function in this node (/root) can only be accessed from either the main thread or a thread group. Use call_deferred() instead.
   at: get_viewport_rid (scene/main/viewport.cpp:913)
ERROR: Condition "!viewport" is true.
   at: viewport_set_measure_render_time (servers/rendering/renderer_viewport.cpp:1253)
ERROR: This function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Information) can only be accessed from either the main thread or a thread group. Use call_deferred() instead.
   at: is_auto_translating (scene/gui/control.cpp:3047)
ERROR: Caller thread can't call this function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Information). Use call_deferred() or call_thread_group() instead.
   at: queue_redraw (scene/main/canvas_item.cpp:394)
ERROR: This function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Information) can only be accessed from the main thread. Use call_deferred() instead.
   at: update_minimum_size (scene/gui/control.cpp:1597)
ERROR: Caller thread can't call this function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Information). Use call_deferred() or call_thread_group() instead.
   at: update_configuration_warnings (scene/main/node.cpp:3045)
ERROR: This function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings) can only be accessed from either the main thread or a thread group. Use call_deferred() instead.
   at: is_auto_translating (scene/gui/control.cpp:3047)
ERROR: Caller thread can't call this function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings). Use call_deferred() or call_thread_group() instead.
   at: queue_redraw (scene/main/canvas_item.cpp:394)
ERROR: This function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings) can only be accessed from the main thread. Use call_deferred() instead.
   at: update_minimum_size (scene/gui/control.cpp:1597)
ERROR: Caller thread can't call this function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings). Use call_deferred() or call_thread_group() instead.
   at: update_configuration_warnings (scene/main/node.cpp:3045)
ERROR: This function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings) can only be accessed from either the main thread or a thread group. Use call_deferred() instead.
   at: is_auto_translating (scene/gui/control.cpp:3047)
ERROR: Caller thread can't call this function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings). Use call_deferred() or call_thread_group() instead.
   at: queue_redraw (scene/main/canvas_item.cpp:394)
ERROR: This function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings) can only be accessed from the main thread. Use call_deferred() instead.
   at: update_minimum_size (scene/gui/control.cpp:1597)
ERROR: Caller thread can't call this function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings). Use call_deferred() or call_thread_group() instead.
   at: update_configuration_warnings (scene/main/node.cpp:3045)
ERROR: This function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings) can only be accessed from either the main thread or a thread group. Use call_deferred() instead.
   at: is_auto_translating (scene/gui/control.cpp:3047)
ERROR: Caller thread can't call this function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings). Use call_deferred() or call_thread_group() instead.
   at: queue_redraw (scene/main/canvas_item.cpp:394)
ERROR: This function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings) can only be accessed from the main thread. Use call_deferred() instead.
   at: update_minimum_size (scene/gui/control.cpp:1597)
ERROR: Caller thread can't call this function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings). Use call_deferred() or call_thread_group() instead.
   at: update_configuration_warnings (scene/main/node.cpp:3045)
ERROR: This function in this node (/root) can only be accessed from either the main thread or a thread group. Use call_deferred() instead.
   at: get_content_scale_mode (scene/main/window.cpp:1309)
ERROR: This function in this node (/root) can only be accessed from either the main thread or a thread group. Use call_deferred() instead.
   at: get_size (scene/main/window.cpp:353)
ERROR: This function in this node (/root) can only be accessed from either the main thread or a thread group. Use call_deferred() instead.
   at: get_size (scene/main/window.cpp:353)
ERROR: This function in this node (/root) can only be accessed from either the main thread or a thread group. Use call_deferred() instead.
   at: get_size (scene/main/window.cpp:353)
ERROR: This function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings) can only be accessed from either the main thread or a thread group. Use call_deferred() instead.
   at: is_auto_translating (scene/gui/control.cpp:3047)
ERROR: Caller thread can't call this function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings). Use call_deferred() or call_thread_group() instead.
   at: queue_redraw (scene/main/canvas_item.cpp:394)
ERROR: This function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings) can only be accessed from the main thread. Use call_deferred() instead.
   at: update_minimum_size (scene/gui/control.cpp:1597)
ERROR: Caller thread can't call this function in this node (/root/DebugMenu/DebugMenu/VBoxContainer/Settings). Use call_deferred() or call_thread_group() instead.
   at: update_configuration_warnings (scene/main/node.cpp:3045)
ERROR: This function in this node (/root) can only be accessed from either the main thread or a thread group. Use call_deferred() instead.
   at: get_camera_3d (scene/main/viewport.cpp:3668)
ERROR: This function in this node (/root) can only be accessed from either the main thread or a thread group. Use call_deferred() instead.
   at: get_msaa_2d (scene/main/viewport.cpp:3159)

Fixed by e73e837, which is designed to be backwards-compatible with 4.0.x.

@Calinou Calinou closed this as completed Jun 26, 2023
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@Calinou @matmas @Ughuuu