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Rendering issue enabling Dockspace with multi-viewports. #5655

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gamecoder-nz opened this issue Sep 6, 2022 · 12 comments
Open

Rendering issue enabling Dockspace with multi-viewports. #5655

gamecoder-nz opened this issue Sep 6, 2022 · 12 comments
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backends docking multi-viewports opengl

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@gamecoder-nz
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Version/Branch of Dear ImGui:

Version: 1.89
Branch: Docking

Back-end/Renderer/Compiler/OS

Back-ends: imgui_impl_glfw.cpp + imgui_impl_opengl3.cpp
Compiler: Visual Studio 2022
Operating System: Windows 10

My Issue/Question:

Run the GLFW OpenGL3 example and move the Hello World panel to outside the main window. Then enable Dockspace. The Hello World window gets corrupted

Screenshots/Video

image
@gamecoder-nz
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The same thing happens when you enable dockspace by default static bool show_app_dockspace = true; and it opens with an ImGUI window outside the main window.

@ocornut
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ocornut commented Sep 6, 2022 via email

@gamecoder-nz
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gamecoder-nz commented Sep 6, 2022 •
edited

If you go to the Demo Window and click Examples -> Dockspace to enable it. I have just turned off ImGuiConfigFlags_ViewportsEnable and there is no issue.

My GPU is Intel UHD and drive version 26.20.100.7463

@ocornut ocornut changed the title Enabling Dockspace issue. Rendering issue enabling Dockspace with multi-viewports. Sep 6, 2022
@ocornut
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ocornut commented Sep 6, 2022

LIkely same as #5617, #4832

Could you uncomment the //printf() line in imgui_impl_opengl3.cpp, share your values for vendor, renderer etc. Confirm the resulting value of UseBufferSubData? And see if inverting this value to use the other code path makes a difference for you?

I'm desperate to find a correct solution for OpenGL support has become a minefield and more big applications are white-listed and tailor supported by drivers, dear imgui being a library makes it difficult so we'll have to keep poking to find a solution.

@gamecoder-nz
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GL_MAJOR_VERSION = 3
GL_MINOR_VERSION = 0
GL_VENDOR = 'Intel'
GL_RENDERER = 'Intel(R) UHD Graphics'

Yes inverting UserBufferSubData fixed the issue.

@WerWolv
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WerWolv commented Sep 14, 2022 •
edited

Hey, I also ran into this same issues on a computer that only has Intel HD Graphics.

GL_MAJOR_VERSION = 3
GL_MINOR_VERSION = 0
GL_VENDOR = 'Intel'
GL_RENDERER = 'Intel(R) HD Graphics 630'

Interestingly enough, this seems to be a recent phenomena. I was using older drivers first which caused immediate crashes due to heap corruption deep inside of the Intel driver code when swapBuffers was called after undocking a window from the main window. After updating the drivers to the latest version available, the crash is gone but the artifacts mentioned above are visible. For me it can also be fixed by setting UseBufferSubData to false but I guess that's not really a solution since it seems to fix the issues on other systems.

image

I really don't understand how Intel's drivers can be so horribly broken. I had to disable a bunch of other features too on Intel HD Graphics since they lead to rendering issues there. Most notably, the entire window content was just offset weirdly when disabling Windows' window boarders

image

@ocornut
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ocornut commented Sep 14, 2022

Thanks for the extra data point. I'm currently gathering info from the many posts and will act upon that. Stay tuned.

@ocornut
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ocornut commented Sep 14, 2022

Posting a shared recap here: (will update as necessary)
https://gist.github.com/ocornut/89ae5820c497510761e4c313ef5e0219

@ocornut
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ocornut commented Sep 14, 2022 •
edited

@WerWolv @gamecoder-nz & others

Could you cherry-pick this:
036ad55
And see if you get anything?
EDIT 2022/09/27 merged 11f5be0 you can now uncomment #define IMGUI_IMPL_OPENGL_DEBUG.

(You may alter the fprintf statement to be whatever works best in your codebase)

@ocornut
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ocornut commented Sep 14, 2022

EDIT Please use 3a68146 instead.
Please also try with both values of bd->UseBufferSubData (you may simply alter the if (bd->UseBufferSubData) statement into true/false.

@ocornut
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ocornut commented Sep 14, 2022

Could you also try both code path using GL_DYNAMIC_DRAW instead of GL_STREAM_DRAW ?

  • Does it fix corruptions on setups that have them? (with/without UseBufferSubData)
  • Does it fix leaks on setups that have them (with/without UseBufferSubData)
    Due to how your compact/minimal loader is generated, you may need to temporarily add:
#define GL_DYNAMIC_DRAW                   0x88E8

To the code. Thank you!

ocornut added a commit that referenced this issue Sep 27, 2022
@ocornut
Backends: OpenGL: Add ability to #define IMGUI_IMPL_OPENGL_DEBUG. (#4468
325299f 
, #4825, #4832, #5127, #5655, #5709)
ocornut added a commit that referenced this issue Sep 27, 2022
@ocornut
Backends: OpenGL: Add ability to #define IMGUI_IMPL_OPENGL_DEBUG. (#4468
11f5be0 
, #4825, #4832, #5127, #5655, #5709)

# Conflicts:
#	backends/imgui_impl_opengl3.cpp
fangshun2004 added a commit to fangshun2004/imgui that referenced this issue Sep 29, 2022
@fangshun2004
Squashed commit of the following:
558d8b4 
commit e74a50f
Author: Andrew D. Zonenberg <azonenberg@drawersteak.com>
Date:   Wed Sep 28 08:19:34 2022 -0700

    Added GetGlyphRangesGreek() helper for Greek & Coptic glyph range. (ocornut#5676, ocornut#5727)

commit d17627b
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 17:38:41 2022 +0200

    InputText: leave state->Flags uncleared for the purpose of backends emitting an on-screen keyboard for passwords. (ocornut#5724)

commit 0a7054c
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 17:00:45 2022 +0200

    Backends: Win32: Convert WM_CHAR values with MultiByteToWideChar() when window class was registered as MBCS (not Unicode). (ocornut#5725, ocornut#1807, ocornut#471, ocornut#2815, ocornut#1060)

commit a229a7f
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 16:57:09 2022 +0200

    Examples: Win32: Always use RegisterClassW() to ensure windows are Unicode. (ocornut#5725)

commit e0330c1
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 14:54:38 2022 +0200

    Fonts, Text: Fixed wrapped-text not doing a fast-forward on lines above the clipping region. (ocornut#5720)

    which would result in an abnormal number of vertices created.

commit 4d4889b
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 12:42:06 2022 +0200

    Refactor CalcWordWrapPositionA() to take on the responsability of minimum character display. Add CalcWordWrapNextLineStartA(), simplify caller code.

    Should be no-op but incrementing IMGUI_VERSION_NUM just in case.
    Preparing for ocornut#5720

commit 5c4426c
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 12:22:34 2022 +0200

    Demo: Fixed Log & Console from losing scrolling position with Auto-Scroll when child is clipped. (ocornut#5721)

commit 12c0246
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 12:07:43 2022 +0200

    Removed support for 1.42-era IMGUI_DISABLE_INCLUDE_IMCONFIG_H / IMGUI_INCLUDE_IMCONFIG_H. (ocornut#255)

commit 73efcec
Author: ocornut <omar@miracleworld.net>
Date:   Tue Sep 27 22:21:47 2022 +0200

    Examples: disable GL related warnings on Mac + amend to ignore list.

commit a725db1
Author: ocornut <omarcornut@gmail.com>
Date:   Tue Sep 27 18:47:20 2022 +0200

    Comments for flags discoverability + add to debug log (ocornut#3795, ocornut#4559)

commit 325299f
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 14 15:46:27 2022 +0200

    Backends: OpenGL: Add ability to #define IMGUI_IMPL_OPENGL_DEBUG. (ocornut#4468, ocornut#4825, ocornut#4832, ocornut#5127, ocornut#5655, ocornut#5709)

commit 56c3eae
Author: ocornut <omarcornut@gmail.com>
Date:   Tue Sep 27 14:24:21 2022 +0200

    ImDrawList: asserting on incorrect value for CurveTessellationTol (ocornut#5713)

commit 04316bd
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 16:32:09 2022 +0200

    ColorEdit3: fixed id collision leading to an assertion. (ocornut#5707)

commit c261dac
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 14:50:46 2022 +0200

    Demo: moved ShowUserGuide() lower in the file, to make main demo entry point more visible + fix using IMGUI_DEBUG_LOG() macros in if/else.

commit 51bbc70
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 14:44:26 2022 +0200

    Backends: SDL: Disable SDL 2.0.22 new "auto capture" which prevents drag and drop across windows, and don't capture mouse when drag and dropping. (ocornut#5710)

commit 7a9045d
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 11:55:07 2022 +0200

    Backends: WGPU: removed Emscripten version check (currently failing on CI, ensure why, and tbh its redundant/unnecessary with changes of wgpu api nowadays)

commit 83a0030
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 10:33:44 2022 +0200

    Added ImGuiMod_Shortcut which is ImGuiMod_Super on Mac and ImGuiMod_Ctrl otherwise. (ocornut#456)

commit fd408c9
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 22 18:58:33 2022 +0200

    Renamed and merged keyboard modifiers key enums and flags into a same set:. ImGuiKey_ModXXX -> ImGuiMod_XXX and ImGuiModFlags_XXX -> ImGuiMod_XXX. (ocornut#4921, ocornut#456)

    Changed signature of GetKeyChordName() to use ImGuiKeyChord.
    Additionally SetActiveIdUsingAllKeyboardKeys() doesn't set ImGuiKey_ModXXX but we never need/use those and the system will be changed in upcoming commits.

# Conflicts:
#	imgui_demo.cpp
fangshun2004 added a commit to fangshun2004/imgui that referenced this issue Sep 29, 2022
@fangshun2004
Squashed commit of the following:
727ddeb 
commit cc5058e
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 21:59:32 2022 +0200

    IO: Filter duplicate input events during the AddXXX() calls. (ocornut#5599, ocornut#4921)

commit fac8295
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 21:31:36 2022 +0200

    IO: remove ImGuiInputEvent::IgnoredAsSame (revert part of 839c310), will filter earlier in next commit. (ocornut#5599)

    Making it a separate commit as this leads to much indentation change.

commit 9e7f460
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 20:42:45 2022 +0200

    Fixed GetKeyName() for ImGuiMod_XXX values, made invalid MousePos display in log nicer.  (ocornut#4921, ocornut#456)

    Amend fd408c9

commit 0749453
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 19:51:54 2022 +0200

    Menus, Nav: Fixed not being able to close a menu with Left arrow when parent is not a popup. (ocornut#5730)

commit 9f6aae3
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 19:48:27 2022 +0200

    Nav: Fixed race condition pressing Esc during popup opening frame causing crash.

commit bd2355a
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 19:25:26 2022 +0200

    Menus, Nav: Fixed using left/right navigation when appending to an existing menu (multiple BeginMenu() call with same names). (ocornut#1207)

commit 3532ed1
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 18:07:35 2022 +0200

    Menus, Nav: Fixed keyboard/gamepad navigation occasionally erroneously landing on menu-item in parent when the parent is not a popup. (ocornut#5730)

    Replace BeginMenu/MenuItem swapping g.NavWindow with a more adequate ImGuiItemFlags_NoWindowHoverableCheck.
    Expecting more subtle issues to stem from this.
    Note that NoWindowHoverableCheck is not supported by IsItemHovered() but then IsItemHovered() on BeginMenu() never worked: fix should be easy in BeginMenu() + add test is IsItemHovered(), will do later

commit d5d7050
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 17:26:52 2022 +0200

    Various comments

    As it turns out, functions like IsItemHovered() won't work on an open BeginMenu() because LastItemData is overriden by BeginPopup(). Probably an easy fix.

commit e74a50f
Author: Andrew D. Zonenberg <azonenberg@drawersteak.com>
Date:   Wed Sep 28 08:19:34 2022 -0700

    Added GetGlyphRangesGreek() helper for Greek & Coptic glyph range. (ocornut#5676, ocornut#5727)

commit d17627b
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 17:38:41 2022 +0200

    InputText: leave state->Flags uncleared for the purpose of backends emitting an on-screen keyboard for passwords. (ocornut#5724)

commit 0a7054c
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 17:00:45 2022 +0200

    Backends: Win32: Convert WM_CHAR values with MultiByteToWideChar() when window class was registered as MBCS (not Unicode). (ocornut#5725, ocornut#1807, ocornut#471, ocornut#2815, ocornut#1060)

commit a229a7f
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 16:57:09 2022 +0200

    Examples: Win32: Always use RegisterClassW() to ensure windows are Unicode. (ocornut#5725)

commit e0330c1
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 14:54:38 2022 +0200

    Fonts, Text: Fixed wrapped-text not doing a fast-forward on lines above the clipping region. (ocornut#5720)

    which would result in an abnormal number of vertices created.

commit 4d4889b
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 12:42:06 2022 +0200

    Refactor CalcWordWrapPositionA() to take on the responsability of minimum character display. Add CalcWordWrapNextLineStartA(), simplify caller code.

    Should be no-op but incrementing IMGUI_VERSION_NUM just in case.
    Preparing for ocornut#5720

commit 5c4426c
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 12:22:34 2022 +0200

    Demo: Fixed Log & Console from losing scrolling position with Auto-Scroll when child is clipped. (ocornut#5721)

commit 12c0246
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 12:07:43 2022 +0200

    Removed support for 1.42-era IMGUI_DISABLE_INCLUDE_IMCONFIG_H / IMGUI_INCLUDE_IMCONFIG_H. (ocornut#255)

commit 73efcec
Author: ocornut <omar@miracleworld.net>
Date:   Tue Sep 27 22:21:47 2022 +0200

    Examples: disable GL related warnings on Mac + amend to ignore list.

commit a725db1
Author: ocornut <omarcornut@gmail.com>
Date:   Tue Sep 27 18:47:20 2022 +0200

    Comments for flags discoverability + add to debug log (ocornut#3795, ocornut#4559)

commit 325299f
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 14 15:46:27 2022 +0200

    Backends: OpenGL: Add ability to #define IMGUI_IMPL_OPENGL_DEBUG. (ocornut#4468, ocornut#4825, ocornut#4832, ocornut#5127, ocornut#5655, ocornut#5709)

commit 56c3eae
Author: ocornut <omarcornut@gmail.com>
Date:   Tue Sep 27 14:24:21 2022 +0200

    ImDrawList: asserting on incorrect value for CurveTessellationTol (ocornut#5713)

commit 04316bd
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 16:32:09 2022 +0200

    ColorEdit3: fixed id collision leading to an assertion. (ocornut#5707)

commit c261dac
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 14:50:46 2022 +0200

    Demo: moved ShowUserGuide() lower in the file, to make main demo entry point more visible + fix using IMGUI_DEBUG_LOG() macros in if/else.

commit 51bbc70
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 14:44:26 2022 +0200

    Backends: SDL: Disable SDL 2.0.22 new "auto capture" which prevents drag and drop across windows, and don't capture mouse when drag and dropping. (ocornut#5710)

commit 7a9045d
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 11:55:07 2022 +0200

    Backends: WGPU: removed Emscripten version check (currently failing on CI, ensure why, and tbh its redundant/unnecessary with changes of wgpu api nowadays)

commit 83a0030
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 10:33:44 2022 +0200

    Added ImGuiMod_Shortcut which is ImGuiMod_Super on Mac and ImGuiMod_Ctrl otherwise. (ocornut#456)

commit fd408c9
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 22 18:58:33 2022 +0200

    Renamed and merged keyboard modifiers key enums and flags into a same set:. ImGuiKey_ModXXX -> ImGuiMod_XXX and ImGuiModFlags_XXX -> ImGuiMod_XXX. (ocornut#4921, ocornut#456)

    Changed signature of GetKeyChordName() to use ImGuiKeyChord.
    Additionally SetActiveIdUsingAllKeyboardKeys() doesn't set ImGuiKey_ModXXX but we never need/use those and the system will be changed in upcoming commits.

# Conflicts:
#	imgui.cpp
#	imgui.h
#	imgui_demo.cpp
fangshun2004 added a commit to fangshun2004/imgui that referenced this issue Sep 30, 2022
@fangshun2004
Squashed commit of the following:
b1f824b 
commit 5884219
Author: cfillion <cfillion@users.noreply.github.com>
Date:   Wed Sep 28 23:37:39 2022 -0400

    imgui_freetype: Assert if bitmap size exceed chunk size to avoid buffer overflow. (ocornut#5731)

commit f2a522d
Author: ocornut <omarcornut@gmail.com>
Date:   Fri Sep 30 15:43:27 2022 +0200

    ImDrawList: Not using alloca() anymore, lift single polygon size limits. (ocornut#5704, ocornut#1811)

commit cc5058e
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 21:59:32 2022 +0200

    IO: Filter duplicate input events during the AddXXX() calls. (ocornut#5599, ocornut#4921)

commit fac8295
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 21:31:36 2022 +0200

    IO: remove ImGuiInputEvent::IgnoredAsSame (revert part of 839c310), will filter earlier in next commit. (ocornut#5599)

    Making it a separate commit as this leads to much indentation change.

commit 9e7f460
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 20:42:45 2022 +0200

    Fixed GetKeyName() for ImGuiMod_XXX values, made invalid MousePos display in log nicer.  (ocornut#4921, ocornut#456)

    Amend fd408c9

commit 0749453
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 19:51:54 2022 +0200

    Menus, Nav: Fixed not being able to close a menu with Left arrow when parent is not a popup. (ocornut#5730)

commit 9f6aae3
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 19:48:27 2022 +0200

    Nav: Fixed race condition pressing Esc during popup opening frame causing crash.

commit bd2355a
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 19:25:26 2022 +0200

    Menus, Nav: Fixed using left/right navigation when appending to an existing menu (multiple BeginMenu() call with same names). (ocornut#1207)

commit 3532ed1
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 18:07:35 2022 +0200

    Menus, Nav: Fixed keyboard/gamepad navigation occasionally erroneously landing on menu-item in parent when the parent is not a popup. (ocornut#5730)

    Replace BeginMenu/MenuItem swapping g.NavWindow with a more adequate ImGuiItemFlags_NoWindowHoverableCheck.
    Expecting more subtle issues to stem from this.
    Note that NoWindowHoverableCheck is not supported by IsItemHovered() but then IsItemHovered() on BeginMenu() never worked: fix should be easy in BeginMenu() + add test is IsItemHovered(), will do later

commit d5d7050
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 29 17:26:52 2022 +0200

    Various comments

    As it turns out, functions like IsItemHovered() won't work on an open BeginMenu() because LastItemData is overriden by BeginPopup(). Probably an easy fix.

commit e74a50f
Author: Andrew D. Zonenberg <azonenberg@drawersteak.com>
Date:   Wed Sep 28 08:19:34 2022 -0700

    Added GetGlyphRangesGreek() helper for Greek & Coptic glyph range. (ocornut#5676, ocornut#5727)

commit d17627b
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 17:38:41 2022 +0200

    InputText: leave state->Flags uncleared for the purpose of backends emitting an on-screen keyboard for passwords. (ocornut#5724)

commit 0a7054c
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 17:00:45 2022 +0200

    Backends: Win32: Convert WM_CHAR values with MultiByteToWideChar() when window class was registered as MBCS (not Unicode). (ocornut#5725, ocornut#1807, ocornut#471, ocornut#2815, ocornut#1060)

commit a229a7f
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 16:57:09 2022 +0200

    Examples: Win32: Always use RegisterClassW() to ensure windows are Unicode. (ocornut#5725)

commit e0330c1
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 14:54:38 2022 +0200

    Fonts, Text: Fixed wrapped-text not doing a fast-forward on lines above the clipping region. (ocornut#5720)

    which would result in an abnormal number of vertices created.

commit 4d4889b
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 12:42:06 2022 +0200

    Refactor CalcWordWrapPositionA() to take on the responsability of minimum character display. Add CalcWordWrapNextLineStartA(), simplify caller code.

    Should be no-op but incrementing IMGUI_VERSION_NUM just in case.
    Preparing for ocornut#5720

commit 5c4426c
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 12:22:34 2022 +0200

    Demo: Fixed Log & Console from losing scrolling position with Auto-Scroll when child is clipped. (ocornut#5721)

commit 12c0246
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 28 12:07:43 2022 +0200

    Removed support for 1.42-era IMGUI_DISABLE_INCLUDE_IMCONFIG_H / IMGUI_INCLUDE_IMCONFIG_H. (ocornut#255)

commit 73efcec
Author: ocornut <omar@miracleworld.net>
Date:   Tue Sep 27 22:21:47 2022 +0200

    Examples: disable GL related warnings on Mac + amend to ignore list.

commit a725db1
Author: ocornut <omarcornut@gmail.com>
Date:   Tue Sep 27 18:47:20 2022 +0200

    Comments for flags discoverability + add to debug log (ocornut#3795, ocornut#4559)

commit 325299f
Author: ocornut <omarcornut@gmail.com>
Date:   Wed Sep 14 15:46:27 2022 +0200

    Backends: OpenGL: Add ability to #define IMGUI_IMPL_OPENGL_DEBUG. (ocornut#4468, ocornut#4825, ocornut#4832, ocornut#5127, ocornut#5655, ocornut#5709)

commit 56c3eae
Author: ocornut <omarcornut@gmail.com>
Date:   Tue Sep 27 14:24:21 2022 +0200

    ImDrawList: asserting on incorrect value for CurveTessellationTol (ocornut#5713)

commit 04316bd
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 16:32:09 2022 +0200

    ColorEdit3: fixed id collision leading to an assertion. (ocornut#5707)

commit c261dac
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 14:50:46 2022 +0200

    Demo: moved ShowUserGuide() lower in the file, to make main demo entry point more visible + fix using IMGUI_DEBUG_LOG() macros in if/else.

commit 51bbc70
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 14:44:26 2022 +0200

    Backends: SDL: Disable SDL 2.0.22 new "auto capture" which prevents drag and drop across windows, and don't capture mouse when drag and dropping. (ocornut#5710)

commit 7a9045d
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 11:55:07 2022 +0200

    Backends: WGPU: removed Emscripten version check (currently failing on CI, ensure why, and tbh its redundant/unnecessary with changes of wgpu api nowadays)

commit 83a0030
Author: ocornut <omarcornut@gmail.com>
Date:   Mon Sep 26 10:33:44 2022 +0200

    Added ImGuiMod_Shortcut which is ImGuiMod_Super on Mac and ImGuiMod_Ctrl otherwise. (ocornut#456)

commit fd408c9
Author: ocornut <omarcornut@gmail.com>
Date:   Thu Sep 22 18:58:33 2022 +0200

    Renamed and merged keyboard modifiers key enums and flags into a same set:. ImGuiKey_ModXXX -> ImGuiMod_XXX and ImGuiModFlags_XXX -> ImGuiMod_XXX. (ocornut#4921, ocornut#456)

    Changed signature of GetKeyChordName() to use ImGuiKeyChord.
    Additionally SetActiveIdUsingAllKeyboardKeys() doesn't set ImGuiKey_ModXXX but we never need/use those and the system will be changed in upcoming commits.

# Conflicts:
#	docs/CHANGELOG.txt
#	imgui.h
#	imgui_demo.cpp
DnA-IntRicate added a commit to DnA-IntRicate/imgui that referenced this issue Oct 7, 2022
@DnA-IntRicate @ocornut
@sammyfreg @GamingMinds-DanielC @adamkewley @rokups @PathogenDavid @CheckmateAt7 @warriormaster12 @FunMiles @sivu @mikkosivulainen @DimaKoltun @stuartcarnie @WSSDude @rtoumazet @stack
Merge docking into Master (#2)
51b4908 
* Docking: added comments. added experimental TabItemFlagsOverrideSet to ImGuiWindowClass.

(Could probably do something similar with TabBarFlagsOverrideSet+Clear for ocornut#2700 later.)

* Docking: docked window honor tab and text colors by storing them. (ocornut#2771)

Later to lead into ocornut#2700 and ocornut#2539
Move tab submission block above in DockNodeUpdateTabBar(), not strictly necessary for this change as is, but useful if needing to apply override for TitleBg* as we'd need a value for node->VisibleWindow earlier than currently set.

* Fixed some compile warnings with Clang on Windows (ocornut#3754)

* Viewports, Backends: Vulkan: handle VK_ERROR_OUT_OF_DATE_KHR when resizing secondary viewport (ocornut#3766, ocornut#3758)

Cannot repro here but appears to a user on Linux. Fix may be not super solid.

* Docking: on node split, update memorized DockId for currently closed windows (ocornut#3716)

Amended by @ocornut with same fix in DockBuilderRemoveNodeChildNodes().

* Docking: fix gap in hit test hold when using ImGuiDockNodeFlags_PassthruCentralNode touching the edge of a viewport. (ocornut#3733)

* Viewports: (breaking) removed ImGuiPlatformIO::MainViewport which is now pretty much unused and duplicate (and misleading as we will evolve the concept)

Use GetMainViewport() if stuck.

* Viewports: Moved in own section of imgui.h ahead of merging a small part of viewport interface to master.

* Viewports: trying to treat GetMainViewport() as const. Reducing unnecessary casts of ImGuiViewportP*

Metrics: readded root Drawlists node in metrics to match master.
The (void*) casts are implying const-casst but currently left GetMainViewport() as returning non-const.

* Viewports: (Breaking) turned GetWorkPos(), GetWorkSize() into straight fields -> WorkPos, WorkSize before exposing in master branch.

* Fix for compiling imgui_internal.h without operators + made GetWorkRect() consistent with clamped WorkSize.

* Misc tweaks - mostly toward minimizing diff in upcoming backport merge of a few viewport structures in master

* Viewports: Fix issue inferring viewport z-order when new popups gets created. (ocornut#3734) + Metrics updates.

Revert 6bc5266
Showing inferred order and missing flags in metrics.

* Viewports: Setting the new (currently dummy) flags on viewports. (ocornut#3789, ocornut#1542, ocornut#3680, ocornut#3350, ocornut#3012, ocornut#2471)

Amend the merging of f14042c (merge ee59d7a)

* Remove redundant GetMainViewport decl in imgui.h (ocornut#3801, ocornut#3800)

* Docking: Made close button enable logic consistent on dockspace. When no docked window have a close button or it is disabled on the node, the space is given to tabs.

Clarified close_button_is_visible vs close_button_is_enabled behavior in DockNodeUpdateTabBar().. (ocornut#3633, ocornut#3521)
Reduced alpha of disabled close button a little bit further.
Removed 'EnableCloseButton' which was actually unused (can't be infered early, need ->VisibleWindow anyway, which is not == ->ActiveWindow)

* Examples: DX9-DX11: Removed half-assed DPI awareness enable. Updated Docking/Viewports part of Changelog (e.g. removed bits that are now already in master, clarified some added bits)

* Viewports: Fix setting of ImGuiViewportFlags_NoRendererClear. (ocornut#3213)

* Internals: Add a way to request window to not process any interactions for specified number of frames.

* Added missing IMGUI_API to internal docking-related structs. (ocornut#3850)

* Internals: Docking: some renaming.

* Internals: rename RootWindow->RootWindowDockTree, RootWindowDockStop->RootWindow.

Why?  So by default RootWindow matches user expectation on both branches, and RootWindowDockTree is more intentful.
(Actually should reduce diff between master<>docking)

* Viewports, Backend: SDL: Fix missing ImGuiBackendFlags_HasSetMousePos flag in docking branch (ok in master), GLFW: Fix application of WantSetMousePos. (ocornut#1542, ocornut#787)

Shows how little this feature is used with nav (was designed for small devices and frankly may be dropped) - but the backend support itself we will make use of for other features.

* Viewports, Internals: added GetViewportPlatformMonitor() will a safety net to keep code portable + simplified handling of disconnected monitor in Begin().

* ImDrawFlags: rework/revert c2d6d26 + 39432bf in a way that is closer to old version and back to opt-in but with default 0 = all corners.

* Removed deprecated flag stopping compilation (ocornut#3902)

* Docking: Dockspace() never draws a background. (ocornut#3924)

* Docking: undocking nodes/windows covering most of the monitor max their size down to 90% to ease further manipulations.

Kind of a welcome hack.

* Docking: Add support for split_outer in DockContextCalcDropPosForDocking().
Misc: Add FIXME regarding behavior of some window fields.

* Viewports, Backends: Vulkan: Rebuild swapchain on VK_SUBOPTIMAL_KHR. (ocornut#3881)

* BeginMainMenuBar(): remove expectation that we don't know menu bar height ahead, allowing up to generalize placement in any direction (will be done in master)

Amend 75de34e

* Viewports: Hotfix for crash in monitor array access, caused by 4b9bc49. (ocornut#3967)

* TabBar: Use mouse position instead of hardcoded +1/-1 offset when reordering tabs.

Fixes tab reordering in test engine when using fast mode.

# Conflicts:
#	imgui_widgets.cpp

* TabBar: Amend previous commit. Fix tab reordering when tab bar has scrolling.

Some tidying up with helpers + honor 16-bit offsets as with other tab bar features (unlikely single reorder can reach that but consistent)

* Backends, Viewports: GLFW: Add a workaround for stuck keys after closing a GLFW window (ocornut#3837).

* Docking: DockSpace() returns its node ID + adding branch changelog.

* Docking: fix undocking from tab-bar by moving mouse horizontally, broken by d705192.

* Docking: removed io.ConfigDockingWithShift option. (ocornut#2109)

* Docking: fix undocking from tab-bar by moving mouse horizontally, amend 3ed07a8 + d705192.

Automation system may drag e.g. right-most tab far left (and vice-versa) and one frame and our current logic would fail at it.

* Fix popup positioning, broken by 84e6fe4. (ocornut#3991, ocornut#3982)

* Docking: Fixed restoring of tab order within a dockspace or a split node.

(tests in "docking_tab_order")

* Docking: Fixed multiple simultaneously reappearing window from appearing undocked in their initial frame.

* Docking: Fixed reappearing docked windows with no close button showing a tab with extraneous space for one frame.

* Docking: move NavWindow to SelectedTabId application lower to leave a chance for in-between code to alter focus. + store per-node window menu button id to simplify usage.

* Docking: Fix window menu button. Broken by 3f16a52 (ocornut#4043)

Worked on single-frame click.

* Changelog: added docking+entries from 1.72 to 1.82 to increase their visibility.

* Backends: Vulkan: Fix for using IMGUI_IMPL_VULKAN_NO_PROTOTYPES (ocornut#4151, ocornut#3759, ocornut#3227)

* Docking: Docking node tab bar honors ItemInnerSpacing.x before first tab. Tweak rendering and alignment of dock node menu marker. (ocornut#4130)

+ Fix ~0 in EndFrameDrawDimmedBackgrounds() which is obsolete way of signifying "all round corners".

* Docking: Fix IsWindowAppearing() and ImGuiCond_Appearing on docked windows. (ocornut#4177, ocornut#3982, ocornut#1497, ocornut#1061)

* Docking: Amend 91704b7, window->DockXXX booleans not properly cleared when window not docked. (ocornut#4177, ocornut#3982, ocornut#1497, ocornut#1061)

Fix issue with freshly split windows/nodes incorrectly returning true to IsWindowAppearing().

* Docking: Fix IsWindowAppearing() unnecessarily returning true twice in a row. (ocornut#4177, ocornut#3982, ocornut#1497, ocornut#1061) + added a zealous assert.

* Docking: Clicking on the right-most close button of a docking node closes all windows. (ocornut#4186)

* Docking: comments (ocornut#4189)

* Added PushDisabled(), PopDisabled() currently only exposed in imgui_internal.h (ocornut#211)

* ImVector: added clear_delete(), clear_destruct() helpers.

# Conflicts:
#	imgui.cpp

* Nav, Drag and Drop, Docking: fixed two issues leading nav result to conflict with moving a window. (ocornut#4211, ocornut#3025)

* Backends, Viewports: Vulkan: Fix the use of the incorrect fence in wait for fence. (ocornut#4208)

The fence being waited upon was not the one associated with the current frame.
This results in validation error detecting a reset of command buffers still in use and resetting fences while still in use.
Read more details in ocornut#4208

* Metrics: Tentative fix for bad printf format.

Ref b53b8f5, a7a1b3b

* Viewport: extracted code out of Begin() into WindowSyncOwnedViewport() - no other change

* Viewports: Fix popup/tooltip created without a parent window from being given a ParentViewportId value of the implicit/fallback window. (ocornut#4236, ocornut#2409)

Amend 3ead982

* Backends: amends to 1db1066 + merge minor bits from docking incl SetActiveIdUsingNavAndKeys().

No need to clear fields before deletion. DX12: renamed to match docking branch.

* Backends: Viewports: renamed viewport storage structures ImGuiViewportDataXXXX -> ImGui_ImplXXXX_ViewportData and locals (matching naming convention in 70c6038)

* Docking: removed DockNodeFlagsOverrideClear flags from ImGuiWindowClass. (ocornut#2999, ocornut#3521, ocornut#3633)

+ extraded bits of metrics into DebugNodeDockNodeFlags()

* Docking: Reworked node flags saving/inheritance... (ocornut#4292, ocornut#3834, ocornut#3633, ocornut#3521, ocornut#3492, ocornut#3335, ocornut#2999, ocornut#2648)

..so that flags enforced by docked windows via the DockNodeFlagsOverrideSet mechanism are are not left in empty dockspace nodes once the windows gets undocked.

* Docking: Added ImGuiDockNodeFlags_NoDockingOverEmpty. Breaking definition of ImGuiDockNodeFlags_NoDockingOverOther which now means "non empty node". (ocornut#3492, ocornut#2648, ocornut#4292)

* Docking: Fixed crash issues using DockBuilderRemoveNode() in some situations. (ocornut#3111, ocornut#3179, ocornut#3203, ocornut#4295)

If the deleted root node isn't part of a dockspace with a central node, it won't be "protected" but removed when last window gets removed.

* Docking: Fix crash when a dock node gets re-qualified as dockspace>floating>dockspace.. (ocornut#3203, ocornut#4295)

Which tends to happen when incorrectly calling DockBuilderAddNode() without ImGuiDockNodeFlags_Dockspace and using it as a Dockspace on the next frame after the floating window hosting the node has been automatically created.

* Added missing IMGUI_API to GetViewportPlatformMonitor. (ocornut#4309)

* Backends: Win32, SDL, GLFW: only honor io.WantSetMousePos when focused + fix GLFW uninstalling handler + tweaks to reduce branch drift with docking. (ocornut#787, ocornut#2445, ocornut#2696, ocornut#3751, ocornut#4377)

# Conflicts:
#	backends/imgui_impl_glfw.cpp
#	backends/imgui_impl_sdl.cpp
#	backends/imgui_impl_win32.cpp

* IO: modify io.AddFocusEvent() to tolerate in/out for multi-viewports. Amend 2f40be6. (ocornut#3532)

* Fix BeginDisabled(false), (ocornut#211, ocornut#4452)

* Fix BeginDisabled(false), again, (ocornut#211, ocornut#4452, ocornut#4453) Version 1.84.1

(forced pushed since our earlier versioning didn't sort correctly in github web)

# Conflicts:
#	docs/CHANGELOG.txt

* Backends: GLFW: Fixed unused variable warning for empty assert macro. (ocornut#4459)

* Docking: fixed settings load issue when mouse wheeling. (ocornut#4310)

* Docking: fix 58f5092 (ocornut#4310)

If we clear _ChildWindow flag we must remove it from here otherwise render loop will fail.

* Docking: warning fix for when IM_ASSERT() is empty

* Fixed bad merge of Changelog in docking branch

* Internals: refactored IsWindowHovered()/IsWindowFocused() to make their logic more similar + change underlying value of ImGuiHoveredFlags_AllowWhenBlockedByPopup + comment out docking only flags.

* Fixed _ChildWindows from leaking docking hierarchy. Added ImGuiFocusedFlags_DockHierarchy and ImGuiHoveredFlags_DockHierarchy.

* Viewports: fixed unnecessary creation of temporary viewports when multiple docked windows got reassigned to a new node (created mid-frame) which already has a HostWindow

* Viewports: Fixed a crash while a window owning its viewport disappear while being dragged.

t would manifest when e.g. reconfiguring dock nodes while dragging.

* Viewports: fix window with viewport ini data immediately merged into a host viewport from leaving a temporary viewport alive for a frame (would leak into backend).

* Fixed IsWindowFocused/IsWindowHovered with _ChildWindows for not following through popup parents (amend 6b1e094, fix ocornut#4527)

* Viewports: extracted DestroyViewport() out of UpdateViewportsNewFrame() function.

* Docking: bits.

* Docking: floating node with a central node hides properly when nothing is docked + rename.

* Docking: Improved resizing system so that non-central zone are better at keeping their fixed size.

* Nav: Fixed an issue with losing focus on docked windows when pressing Alt while keyboard navigation is disabled. (ocornut#4547, ocornut#4439)

* Docking: Fixed IsItemHovered() and functions depending on it (e.g. BeginPopupContextItem()) when called after Begin() on a docked window (ocornut#3851)

Fix ee643b2

* Added ImGuiFocusedFlags_NoPopupHierarchy and ImGuiHoveredFlags_NoPopupHierarchy (followup ocornut#4527)

IsWindowFocused: fix flag usage (amend 6b1e094) was technically harmless because of light typing.

* Docking: reinstate io.ConfigDockingWithShift option. (ocornut#4643)

This more or less reverts commit 3ed07a8.

* Fixed nested BeginDisabled()/EndDisabled() bug in Docking branch due to bad merge. (ocornut#4655, ocornut#4452, ocornut#4453, ocornut#4462)

* Backends: Made it possible to shutdown default Platform Backends before the Renderer backends. (ocornut#4656)

* Viewports: Made it possible to explicitly assign ImGuiWindowClass::ParentViewportId to 0. (ocornut#3152, ocornut#2871)

* Fixed tooltip in own viewport over modal from being incorrectly dimmed. (ocornut#4729)

Normally we would aim to ensure that g.Windows[] gets maintained to reflect display layer but it is presently non trivial.

* Fixed crash on right-click without modal, introduced by previous commit a3667f4,  (ocornut#4729)

* Viewports: fix missing default per-window value for ParentViewportId due to zero-cleared in-window instance (ocornut#4756)

Broken by 2080d12

* Docking: Fixed a bug undocking windows docked into a non-visible or _KeepAliveOnly dockspace. (ocornut#4757)

* Docking: Fix typo (had no side effect) (ocornut#4778)

Co-authored-by: Mikko Sivulainen <mikko.sivulainen@supercell.com>

* Viewports: Fixed CTRL+TAB highlight outline on docked windows not always fitting in host viewport + moved EndFrameDrawDimmedBackgrounds() call + removed duplicate code in Begin() already in EndFrameDrawDimmedBackgrounds()

* Docking: Fixed incorrectly rounded tab bars for dock node that are not at the top of their dock tree.

* Docking: Fixed single-frame node pos/size inconsistencies when window stop or start being submitted.

Fix 718e15c while preserving its intended property. Tested by "docking_window_appearing_layout". (ocornut#2109)

* Docking: internals: extracted rounding corner calculation into reusable CalcRoundingFlagsForRectInRect() function.

* Docking: docked windows honor ImGuiCol_WindowBg. Host window in charge of rendering seams. (ocornut#2700, ocornut#2539 + Docked windows honor display their border properly. (ocornut#2522)

Plus: better support for transparent one in nodes
Side effects: DockContextBindNodeToWindow doesn't alter node->IsVisible.
Side effects: ImDrawList:: _ResetForNewFrame() needs to merge, sane (in case of
(Amended, force-pushed)

* Docking: Amend b16f738 fixed dimming of docked window + removed thin highlight around windows (never worked on docked window, not viewports friendly, hard to move to EndFrame) (ocornut#2700, ocornut#2539, ocornut#2522)

* Nav, Docking: reworked modal/ctrl+tab dimming system to be entirely processed at end of the frame, which will simplify things for an upcoming commit.

(Will backport some of this back to master now.)

* Nav, Docking: Fix dimming on docked windows.

* Nav, Docking: Fix crash on dimming docked window and DockSpaceOverViewport() with PassthruCentralNode.

(amend 1dc3af3, 23ef6c1, 657073a)

* Added an assertion for the common user mistake of using "" as an identifier at the root level of a window. (ocornut#1414, ocornut#2562, ocornut#2807, ocornut#4008, ocornut#4158, ocornut#4375, ocornut#4548, ocornut#4657, ocornut#4796)

  ocornut#4158, ocornut#4375, ocornut#4548, ocornut#4657, ocornut#4796)

* Docking: prevent docking any window created above a popup/modal. (ocornut#4317)

* Internals: UpdateWindowInFocusOrderList: amend a528398 to fix docking. (ocornut#3496, ocornut#4797)

* Internals: reduced side-effects of setting window->HiddenFramesForRenderOnly > 0

* Viewports: Fixed a CTRL+TAB crash with viewports enabled (ocornut#4023, ocornut#787) (amend 1dc3af3, 23ef6c1, 657073a)

+ Expose FindHoveredViewportFromPlatformWindowStack() in imgui_internal.h

* Update .gitignore

* Backends: OSX: Fixed typo.

* Rename io.AddKeyModEvent() -> io.AddKeyModsEvent() and updated backends accordingly. (ocornut#2625, ocornut#4858)

Amend 790132a (breaking)

# Conflicts:
#	backends/imgui_impl_glfw.cpp
#	backends/imgui_impl_sdl.cpp
#	backends/imgui_impl_win32.cpp

* IO: fix SetKeyEventNativeData() not handling ImGuiKey_None the same way as AddKeyEvent(). (ocornut#4905, ocornut#4858)

* Merge "Backends: SDL: Fix for Emscriptem. Amend 98ce013." + Fix bad merge from master of "is_app_focused" property (Amend 0647ba3)

* Viewports: Fixed active InputText() from preventing viewports to merge. (ocornut#4212)

* Viewports: Relaxed specs for backend supporting ImGuiBackendFlags_HasMouseHoveredViewport. Backends: SDL: Added support for simplified HasMouseHoveredViewport. (ocornut#1542, ocornut#4665)

* IO: added AddMouseViewportEvent() + used in backends.

* Docking: Fixed a CTRL+TAB crash when aiming at an empty docked window. (ocornut#4792)

* Revert moving ImGuiKeyModFlags to internal.h (amendc906c65)

# Conflicts:
#	imgui.cpp

* Backends: SDL: no support for ImGuiBackendFlags_HasMouseHoveredViewport under OSX/LInux (ocornut#4960)

* Docking: Fixed size constraints not working on single window holding on a dock id (still doesn't work on docked windows).

* Docking: Tabs use their own identifier (in order to make window->ID refer to whole window in test engine).  Also prevents Tab ID from clashing with "" which was common.

* Docking: Fixed CTRL+TAB back into a docked window not selecting menu layer when no item are on main layer.

Could merge on master.

* Backends: SDL: Amend 08350e5, multi-viewports mouse tracking works under Linux. (ocornut#4960) + Reword tests to help static analysis.

* Docking: fixed potential crash if a passthrough dock node is submitted without a child intermediate (currently not possible via API)

* Internals: rework RenderMouseCursor() signature so we can use it in docking branch more naturally. (Merged from master+ rework for docking)

# Conflicts:
#	imgui.cpp
#	imgui_draw.cpp

* Viewports: Fixed main viewport size not matching ImDrawData::DisplaySize for one frame during resize when multi-viewports are disabled. (ocornut#4900)

* Docking: Fixed floating docked nodes not being clamped into viewport workrect to stay reachable when g.ConfigWindowsMoveFromTitleBarOnly is set and multi-viewports are disabled. (ocornut#5044)

* Viewports: Fixed translating a host viewport from briefly altering the size of AlwaysAutoResize windows. (ocornut#5057)

* Backends: SDL: Fix multi-viewport dragging issue with SDL on some systems. (ocornut#5012)

* Backends: SDL: Fix more dragging issues. SDL_CaptureMouse() is essentially broken. (ocornut#5012, ocornut#5082)

master got c5f6721 which is combining f337378 and this commit.

* Windows: Fixed first-time windows appearing in negative coordinates. (ocornut#5215, ocornut#3414)

Regression added in 6af92b0

* Backends: OSX, Metal: Added multi-viewports support. (ocornut#4821, ocornut#2778)

* Backends: OSX, Metal: Amend d111133, tidying up, remove unused, misc tweaks. . (ocornut#4821, ocornut#2778)

* Backends: OSX: Implement ImGui_ImplOSX_ShowWindow(). (ocornut#5299)

* Examples: Apple+OpenGL: Fix build.

* Docking: Fixed moving window being interrupted when undocing a window with "io.ConfigDockingAlwaysTabBar = true". (ocornut#5324)

Regression introduced in 6b77668

* Docking: Fix unhiding tab bar regression. (ocornut#5325, ocornut#5181)

Broken by 9038678

* Misc: Fix custom assertion macro failing to compile imgui.cpp (ocornut#5378)

* Docking: Fixed incorrect focus highlight on docking node when focusing empty central node or a child window which was manually injected into a dockspace window.

* Backends: SDL+GLFW, Examples: SDL+Metal, GLFW+Metal: Fix viewport support with Metal backend.

Fixes ocornut#5392 + alignment fixes and removed static_cast<> + Amended with fix.

* Docking, Modal: Fixed a crash when opening popup from a parent which is being docked on the same frame. (ocornut#5401)

Ideally we should untangle the purpose of parent_window_in_stack / ParentWindowInBeginStack better.

* Docking: Amend 24dfebf. Fixed incorrect focus highlight on docking node with nested hierarchies.

* Backends: GLFW: Fixed leftover static variable preventing from changing or reinitializing backend while application is running. (ocornut#4616, ocornut#5434)

* Backends, Viewport: Metal: Pull format from shared context. (ocornut#5403, ocornut#5437)

* Docking, Nav: Fixed using gamepad/keyboard navigation not being able enter menu layer  (ocornut#5463, ocornut#4792)

Fix 37958ca

* Docking: Fix docked window contents not rendering when switching with CTRL+Tab.

(regression from 8eb8689).

* Internals: Docking: make DockContextFindNodeByID() more visible (instead of DockBuilderGetNode)

+ using defines for channel changes.

* Docking: Fixed splitting/docking into a node that has buttons amended into tab bar. Windows were not moved correctly. (ocornut#5515)

* Docking: Fixed amending into an existing tab bar from rendering invisible items. (ocornut#5515, amend b16f738 ocornut#2700, ocornut#2539)

Commit b16f738 left us with a "current" channel 0 which seems inadequate. Undoing that, assuming default is always 1, code filling bg color does a switch. Only DockContextEndFrame() leave it at 0 and it's not particularly necessary.

* Docking+Viewports: Fix undocking window node causing parent viewport to become unresponsive. (ocornut#5503)

Amend 67be485, Somehow ties to 58f5092 + 0eb45a0 (ocornut#4310)
Unsure of exact chain of event but this caused a parent link msimatch between the time of the MouseMoving test in AddUpdateViewport() setting _NoInputs on the wrong parent., and the release clearing _NoInputs on the rght one.

* Docking: Simplify logic of moving tabs between nodes. Amends 0abe7d. (ocornut#5515)

The idea is that in the absence of a tab bar, as new one gets created new tabs will be sorted based on window->DockOrder so this may work but we're not 100% sure.

* Docking: Add source dock node parameter DockContextCalcDropPosForDocking() to facilitate test engine (un)docking nodes before they are split out to their own window.
Metrics: Display dock_node->Windows in node metrics.

* Internals: Docking: rename HoveredDockNode to DebugHoveredDockNode to clarify that it isn't usable for much other than debugging.

* Nav: Fixed regression in e99c4fc preventing CTR+Tab to work without NavEnableKeyboard (ocornut#5504, ocornut#4023);

* Obsoleted using SetCursorPos()/SetCursorScreenPos() to extend parent window/cell boundaries. (ocornut#5548)

This incorrect pattern has been mentioned or suggested in: ocornut#4510, ocornut#3355, ocornut#1760, ocornut#1490, ocornut#4152, ocornut#150

# Conflicts:
#	imgui.cpp

* Backends: SDL: Fixed building backend under non-OSX Apple targets (e.g. iPhone). (ocornut#5665)

* Docking: Fixed incorrect focus highlight on docking node when focusing a menu. (ocornut#5702)

* Backends: OpenGL: Add ability to #define IMGUI_IMPL_OPENGL_DEBUG. (ocornut#4468, ocornut#4825, ocornut#4832, ocornut#5127, ocornut#5655, ocornut#5709)

# Conflicts:
#	backends/imgui_impl_opengl3.cpp

* Update imgui_impl_vulkan.h to match martty/imgui

https://github.com/martty/imgui/blob/master/examples/imgui_impl_vulkan.h

* Update imgui_impl_vulkan.cpp to match martty/imgui

https://github.com/martty/imgui/blob/master/examples/imgui_impl_vulkan.cpp

* Viewports: Fix AddMouseViewportEvent() to honor AppAcceptingEvents, filter duplicate, add to debug log.

* Docking: Fixed missing highlight when using dock node host window borders. (ocornut#5702)

Amend 8f43487, 9764adc, 24dfebf

* Fixed ImGuiWindowFlags_UnsavedDocument clipping label in docked windows with no close button. [changes for docking] (ocornut#5745)

+ TabBar: starts displaying the unsaved document marker with a frame delay to match how close button is processed, otherwise the transition would be noticeable.

* Fix for Vulkan validation layer warnings

Fix from: TheCherno@add065f
ocornut#3957

Co-authored-by: ocornut <omarcornut@gmail.com>
Co-authored-by: Sammy Fatnassi <sammyfreg@gmail.com>
Co-authored-by: GamingMinds-DanielC <daniel.cremers@gamingmindsstudios.com>
Co-authored-by: Adam Kewley <contact@adamkewley.com>
Co-authored-by: Rokas Kupstys <rokups@zoho.com>
Co-authored-by: David Maas <contact@pathogenstudios.com>
Co-authored-by: CheckmateAt7 <66566308+CheckmateAt7@users.noreply.github.com>
Co-authored-by: warriormaster12 <streng.alexander@gmail.com>
Co-authored-by: Michel Lesoinne <michel.lesoinne@androdevllc.com>
Co-authored-by: Mikko Sivulainen <mikko.sivulainen@gmail.com>
Co-authored-by: Mikko Sivulainen <mikko.sivulainen@supercell.com>
Co-authored-by: Dima Koltun <koltundimachamp@gmail.com>
Co-authored-by: stuartcarnie <stuart.carnie@gmail.com>
Co-authored-by: omar <ocornut@users.noreply.github.com>
Co-authored-by: Andrej Redeky <41929176+WSSDude420@users.noreply.github.com>
Co-authored-by: Runik <rtoumazet@free.fr>
Co-authored-by: Stephen H. Gerstacker <stephen@gerstacker.us>
BramblePie pushed a commit to BramblePie/imgui that referenced this issue Oct 26, 2022
@ocornut @BramblePie
Backends: OpenGL: Add ability to #define IMGUI_IMPL_OPENGL_DEBUG. (oc…
4879273 
…ornut#4468, ocornut#4825, ocornut#4832, ocornut#5127, ocornut#5655, ocornut#5709)
@bzroom
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bzroom commented Nov 3, 2022 •
edited

Hi, I'm having the same issue. The HelloWorld docking example very frequently results in a corrupt frozen window with GLFW/OGL3. Can you please let me know the latest work around? Thank you!

Update: I added: #define GL_DYNAMIC_DRAW 0x88E8 to the top of imconfig.h and it's working MUCH better.
Update2: I still see corruption occasionally but it doesn't crash anymore.
Update3: I set UseBufferSubData = false and it's working even better.

@rorph rorph mentioned this issue Jan 17, 2023
Open
@PathogenDavid PathogenDavid mentioned this issue Mar 18, 2023
Closed
kjblanchard pushed a commit to kjblanchard/imgui that referenced this issue May 5, 2023
@ocornut @kjblanchard
Backends: OpenGL: Add ability to #define IMGUI_IMPL_OPENGL_DEBUG. (oc…
b39996d 
…ornut#4468, ocornut#4825, ocornut#4832, ocornut#5127, ocornut#5655, ocornut#5709)
@dgm3333 dgm3333 mentioned this issue May 21, 2023
Open
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@bzroom @ocornut @WerWolv @gamecoder-nz