[Bug]: GLFW Opengl3 sample not working on mac

[bartdevriendt]

Pre-submission Checklist

• I have read the FAQ Wiki
• I have searched existing issues and this is not a duplicate
• I am using the latest version of Hexa.NET.ImGui

Hexa.NET.ImGui Version

1.92.3

Bug Description

I'm trying to create a cross platform game using HexaEngine libraries using OpenGl3, GLFW and ImGUI. When running my game on MacOsx I get an error.
When running the ExampleGLFWOpenGL3 sample on MacOs I'm getting the same error:

/Users/bart/Development/external/Hexa.NET.ImGui/Examples/ExampleGLFWOpenGL3/bin/Debug/net9.0/ExampleGLFWOpenGL3 objc[54428]: Class GLFWHelper is implemented in both /Users/bart/Development/external/Hexa.NET.ImGui/Examples/ExampleGLFWOpenGL3/bin/Debug/net9.0/runtimes/osx-arm64/native/libglfw.dylib (0x102f41810) and /Users/bart/Development/external/Hexa.NET.ImGui/Examples/ExampleGLFWOpenGL3/bin/Debug/net9.0/runtimes/osx-arm64/native/ImGuiImplGLFW.dylib (0x107ba1158). This may cause spurious casting failures and mysterious crashes. One of the duplicates must be removed or renamed. objc[54428]: Class GLFWApplicationDelegate is implemented in both /Users/bart/Development/external/Hexa.NET.ImGui/Examples/ExampleGLFWOpenGL3/bin/Debug/net9.0/runtimes/osx-arm64/native/libglfw.dylib (0x102f41860) and /Users/bart/Development/external/Hexa.NET.ImGui/Examples/ExampleGLFWOpenGL3/bin/Debug/net9.0/runtimes/osx-arm64/native/ImGuiImplGLFW.dylib (0x107ba11a8). This may cause spurious casting failures and mysterious crashes. One of the duplicates must be removed or renamed. objc[54428]: Class GLFWWindowDelegate is implemented in both /Users/bart/Development/external/Hexa.NET.ImGui/Examples/ExampleGLFWOpenGL3/bin/Debug/net9.0/runtimes/osx-arm64/native/libglfw.dylib (0x102f41888) and /Users/bart/Development/external/Hexa.NET.ImGui/Examples/ExampleGLFWOpenGL3/bin/Debug/net9.0/runtimes/osx-arm64/native/ImGuiImplGLFW.dylib (0x107ba11d0). This may cause spurious casting failures and mysterious crashes. One of the duplicates must be removed or renamed. objc[54428]: Class GLFWContentView is implemented in both /Users/bart/Development/external/Hexa.NET.ImGui/Examples/ExampleGLFWOpenGL3/bin/Debug/net9.0/runtimes/osx-arm64/native/libglfw.dylib (0x102f418d8) and /Users/bart/Development/external/Hexa.NET.ImGui/Examples/ExampleGLFWOpenGL3/bin/Debug/net9.0/runtimes/osx-arm64/native/ImGuiImplGLFW.dylib (0x107ba1220). This may cause spurious casting failures and mysterious crashes. One of the duplicates must be removed or renamed. objc[54428]: Class GLFWWindow is implemented in both /Users/bart/Development/external/Hexa.NET.ImGui/Examples/ExampleGLFWOpenGL3/bin/Debug/net9.0/runtimes/osx-arm64/native/libglfw.dylib (0x102f41950) and /Users/bart/Development/external/Hexa.NET.ImGui/Examples/ExampleGLFWOpenGL3/bin/Debug/net9.0/runtimes/osx-arm64/native/ImGuiImplGLFW.dylib (0x107ba1298). This may cause spurious casting failures and mysterious crashes. One of the duplicates must be removed or renamed. Assertion failed: (g.PlatformIO.Monitors.Size > 0 && "Platform init didn't setup Monitors list?"), function ErrorCheckNewFrameSanityChecks, file imgui.cpp, line 11475.

The sample works fine on windows.
Actually on MacOs the only sample that works is the SDL3GPU sample.

Steps to Reproduce

Clone the repo on MacOs and run the sample

Expected Behavior

Sample runs

Code Sample

Platform

macOS

.NET Version

net9.0

Additional Context

No response

[bartdevriendt]

I tried to manually add a monitor to the PlatformIO:

ImGui.GetPlatformIO().Monitors.PushBack(new ImGuiPlatformMonitor(new Vector2(0,0), new Vector2(2560, 1440), new Vector2(0,0), new Vector2(2560,1440), 1));

After this the example crashes on the UpdatePlatformWindows call with following error:

Assertion failed: (window != NULL), function glfwSetWindowPos, file window.c, line 595.

[JunaMeinhold]

Hi, that's weird, i can't debug it directly tho because I don't own a mac.

[bartdevriendt]

@JunaMeinhold what would be the approach to debug this issue ? Is there a way to step into the c code at runtime ?

[JunaMeinhold]

Update: I now own a mac mini... i will try to fix the issue soon when i have time for it

[JunaMeinhold]

found the issue... ImGuiImplGLFW got static linked against glfw

juna@localhost ~/L/C/N/r/H/E/E/b/D/n/r/o/native (v2.2.11) [1|1]> nm -m ImGuiImplGLFW.dylib | grep GLFWHelper
0000000000137158 (__TEXT,__text) non-external -[GLFWHelper doNothing:]
0000000000137040 (__TEXT,__text) non-external -[GLFWHelper selectedKeyboardInputSourceChanged:]
000000000018d158 (__DATA,__objc_data) external _OBJC_CLASS_$_GLFWHelper
000000000018d130 (__DATA,__objc_data) external _OBJC_METACLASS_$_GLFWHelper
0000000000146f68 (__TEXT,__objc_methlist) non-external __OBJC_$_INSTANCE_METHODS_GLFWHelper
000000000018c048 (__DATA,__objc_const) non-external __OBJC_CLASS_RO_$_GLFWHelper
000000000018c000 (__DATA,__objc_const) non-external __OBJC_METACLASS_RO_$_GLFWHelper
juna@localhost ~/L/C/N/r/H/E/E/b/D/n/r/o/native (v2.2.11)> otool -L ImGuiImplGLFW.dylib
ImGuiImplGLFW.dylib:
        @rpath/libImGuiImplGLFW.dylib (compatibility version 0.0.0, current version 0.0.0)
        /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa (compatibility version 1.0.0, current version 24.0.0)
        /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit (compatibility version 1.0.0, current version 275.0.0)
        /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation (compatibility version 150.0.0, current version 3502.1.255)
        /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1900.180.0)
        /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1351.0.0)
        /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit (compatibility version 45.0.0, current version 2575.60.5)
        /System/Library/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics (compatibility version 64.0.0, current version 1889.5.3)
        /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices (compatibility version 1.0.0, current version 1226.0.0)
        /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation (compatibility version 300.0.0, current version 3502.1.255)
        /usr/lib/libobjc.A.dylib (compatibility version 1.0.0, current version 228.0.0)
juna@localhost ~/L/C/N/r/H/E/E/b/D/n/r/o/native (v2.2.11)> 
juna@localhost ~/L/C/N/r/H/E/E/b/D/n/r/o/native (v2.2.11)>