New subject: [Bug 57655] SketchUp8: frozen viewport - OpenGL 'function is no-op' after Save or Export

11 Jan 2025

      https://bugs.winehq.org/show_bug.cgi?id=57655

            Bug ID: 57655
           Summary: SketchUp8: frozen viewport - OpenGL 'function is
                    no-op' after Save or Export
           Product: Wine
           Version: 10.0-rc4
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: opengl
          Assignee: wine-bugs(a)winehq.org
          Reporter: tj.iam.tj(a)proton.me
      Distribution: ---

Created attachment 77816
  --> https://bugs.winehq.org/attachment.cgi?id=77816
ZIP debug log (26MB uncompressed)

The SketchUp 8 viewport stops being updated after a File > Save or File >
Export operation. All other interactivity (menus, toolbars, cursor icon)
continues to work.

This has affected SketchUp8 for many releases; back to 3.x at least but I've
never been able to figure it out or determine the debugging steps to generate
clues... until today!

Seems to be cross-distro (well Debian and derivatives). Currently Debian 12
Bookworm amd64 with kernel v6.12.8. GPU is:

$ lspci -nnk -d ::0300
0a:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Cape Verde GL [FirePro W4100] [1002:682c]
Subsystem: Dell Cape Verde GL [FirePro W4100] [1028:2b1e]
Kernel driver in use: radeon
Kernel modules: radeon, amdgpu

I /think/ this also affected hosts using nouveau but it is a long time since I
operated a host with Nvidia GPU so may be mistaken.

Now to the clue. Using:

$ env LIBGL_DEBUG=verbose WINEDEBUG=+timestamp,+opengl,+module
WINEPREFIX=~/.local/share/wineprefixes/SketchUp8 wine ./SketchUp.exe  |&
/usr/bin/tee /tmp/wine-opengl.log

and leaving long pauses between each operation so as to match timestamps and
annotate them later in the log-file I discovered that after a File > Save
operation (where the application creates several new Contexts then switches
back to the original, from then onwards all GL function calls result in:

function is no-op

E.g:

197291.329:0138:trace:module:MODULE_InitDLL (762A0000
L"Skp2Xsi.dll",THREAD_ATTACH,00000000) - CALL
197291.329:0138:trace:module:MODULE_InitDLL (762A0000,THREAD_ATTACH,00000000) -
RETURN 1
# 197311 Try to rotate; viewport does not react
197311.444:0024:trace:opengl:wglMakeCurrent hDc 1101009C, newContext 00011000
197311.444:0024:trace:opengl:glLineWidth width 1.000000
function is no-op
197311.444:0024:trace:opengl:glDisable cap 2852
function is no-op
197311.444:0024:trace:opengl:glDisable cap 2896
function is no-op
197311.444:0024:trace:opengl:glColor4ub red 0, green 0, blue 0, alpha 255
function is no-op
197311.444:0024:trace:opengl:glMatrixMode mode 5888
function is no-op
197311.444:0024:trace:opengl:glLoadIdentity
function is no-op
197311.444:0024:trace:opengl:glLightfv light 16384, pname 4611, params 0031F92C
function is no-op

In the attached log I have annotates the beginning of each operation with a
line of the form: 

# ${timestamp} ${description}

so they are easy to grep/search. As is seen in the extract above the bug is
evidenced starting at:

# 197311 Try to rotate; viewport does not react

The complete list of annotations is:

$ grep '^# ' wine-opengl.log
# $ env LIBGL_DEBUG=verbose WINEDEBUG=+timestamp,+opengl,+module
WINEPREFIX=~/.local/share/wineprefixes/SketchUp8 wine ./SketchUp.exe  |&
/usr/bin/tee /tmp/wine-opengl.log
# 197184 Application start
# 197223 File > open recent
# 197259 Rotate viewport
# 197287 File > Save
# 197311 Try to rotate; viewport does not react
# 197348 File > Exit

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[Bug 57655] New: SketchUp8: frozen viewport - OpenGL 'function is no-op' after Save or Export

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