Mac build runs on one computer but not another

snfk · 22 June 2021 17:20

I’m in the final stages of preparing support for macOS and had an issue I’m unsure of how to solve. On my personal Mac, the build works fine - but on a school computer, it crashes the DAW immediately.

My Mac:

Other Mac:

My first guess is that the OS difference is causing errors with some internal APIs or something - but I won’t be able to build the product on the school computer because it is not mine (is there a way to do it on mine?).

This is the last thing I need to fix before release. Thanks for any help!

Edit: I’ve ran lipo on the terminal to check whether the binary is universal and got this:
x86_64 arm64 - which should be universal…?

olilarkin · 22 June 2021 18:42

It might be because metal is not supported on that machine

olilarkin · 22 June 2021 18:43

The solution to that is to build using skia CPU mode, The instructions are on the wiki

snfk · 23 June 2021 23:43

I ran into a collection of similar errors while compiling for Skia -

Any idea on how to fix this?

olilarkin · 24 June 2021 07:41

Because the skia static library still contains the Metal backend, you still need to link against the Metal framework, e.g.

github.com

iPlug2/iPlug2/blob/master/Examples/IPlugEffect/config/IPlugEffect-mac.xcconfig#L20

    
      
          //------------------------------
          // Global build settings
          
          
// the basename of the vst, vst3, app, component, aaxplugin
          BINARY_NAME = IPlugEffect
          
          
// ------------------------------
          // HEADER AND LIBRARY SEARCH PATHS
          EXTRA_INC_PATHS = $(IGRAPHICS_INC_PATHS)
          EXTRA_LIB_PATHS = $(IGRAPHICS_LIB_PATHS)
          EXTRA_LNK_FLAGS = -framework Metal -framework MetalKit -framework OpenGL //$(IGRAPHICS_LNK_FLAGS)
          
          
// EXTRA_APP_DEFS =
          // EXTRA_PLUGIN_DEFS =
          
          
//------------------------------
          // PREPROCESSOR MACROS
          EXTRA_ALL_DEFS = OBJC_PREFIX=vIPlugEffect SWELL_APP_PREFIX=Swell_vIPlugEffect IGRAPHICS_NANOVG IGRAPHICS_METAL
          //EXTRA_DEBUG_DEFS =
          //EXTRA_RELEASE_DEFS =
          //EXTRA_TRACER_DEFS =

snfk · 24 June 2021 13:28

Thanks - however now I am getting a crash upon opening the plugin in Garageband.

Process:               GarageBand [8069]
Path:                  /Applications/GarageBand.app/Contents/MacOS/GarageBand
Identifier:            com.apple.garageband10
Version:               10.4.3 (5433)
Build Info:            MALogic-5433000000000000~4 (10Q107)
App Item ID:           682658836
App External ID:       840921930
Code Type:             X86-64 (Native)
Parent Process:        ??? [1]
Responsible:           GarageBand [8069]
User ID:               502

PlugIn Path:             /Library/Audio/Plug-Ins/Components/SK100.component/Contents/MacOS/SK100
PlugIn Identifier:       com.SNFK_MUSIC.audiounit.SK100
PlugIn Version:          1.0.0 (1.0.0)

Date/Time:             2021-06-24 09:20:56.440 -0400
OS Version:            macOS 11.4 (20F71)
Report Version:        12
Anonymous UUID:        9562E7B3-B1E1-8700-16F7-BDCB51124D53

Sleep/Wake UUID:       03E9627D-0295-4F55-903D-B672C4EF72E2

Time Awake Since Boot: 11000 seconds
Time Since Wake:       1300 seconds

System Integrity Protection: enabled

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000018
Exception Note:        EXC_CORPSE_NOTIFY

Termination Signal:    Segmentation fault: 11
Termination Reason:    Namespace SIGNAL, Code 0xb
Terminating Process:   exc handler [8069]

VM Regions Near 0x18:
--> 
    __TEXT                      10ec5c000-110410000    [ 23.7M] r-x/r-x SM=COW  /Applications/GarageBand.app/Contents/MacOS/GarageBand

Application Specific Information:
Belfast | da24e8065c7277eca31f326df90a56b21e93bc2197bc03752f8385706f4718f4 | 1667e55a51193c352d8c1356813850f4fe3fb45b | 2021-03-29_13:46:39
 

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.SNFK_MUSIC.audiounit.SK100	0x000000012cf7a5e3 iplug::igraphics::APIBitmap::GetScale() const + 0 (IGraphicsPrivate.h:143) [inlined]
1   com.SNFK_MUSIC.audiounit.SK100	0x000000012cf7a5e3 iplug::igraphics::IGraphics::LoadBitmap(char const*, int, bool, int) + 595 (IGraphics.cpp:1743)
2   com.SNFK_MUSIC.audiounit.SK100	0x000000012cfdf42d SK100::SK100(iplug::InstanceInfo const&)::$_1::operator()(iplug::igraphics::IGraphics*) const + 824 (SK100.cpp:64) [inlined]
3   com.SNFK_MUSIC.audiounit.SK100	0x000000012cfdf42d decltype(std::__1::forward<SK100::SK100(iplug::InstanceInfo const&)::$_1&>(fp)(std::__1::forward<iplug::igraphics::IGraphics*>(fp0))) std::__1::__invoke<SK100::SK100(iplug::InstanceInfo const&)::$_1&, iplug::igraphics::IGraphics*>(SK100::SK100(iplug::InstanceInfo const&)::$_1&, iplug::igraphics::IGraphics*&&) + 824 (type_traits:3750) [inlined]
4   com.SNFK_MUSIC.audiounit.SK100	0x000000012cfdf42d void std::__1::__invoke_void_return_wrapper<void>::__call<SK100::SK100(iplug::InstanceInfo const&)::$_1&, iplug::igraphics::IGraphics*>(SK100::SK100(iplug::InstanceInfo const&)::$_1&, iplug::igraphics::IGraphics*&&) + 824 (__functional_base:348) [inlined]
5   com.SNFK_MUSIC.audiounit.SK100	0x000000012cfdf42d std::__1::__function::__alloc_func<SK100::SK100(iplug::InstanceInfo const&)::$_1, std::__1::allocator<SK100::SK100(iplug::InstanceInfo const&)::$_1>, void (iplug::igraphics::IGraphics*)>::operator()(iplug::igraphics::IGraphics*&&) + 824 (functional:1554) [inlined]
6   com.SNFK_MUSIC.audiounit.SK100	0x000000012cfdf42d std::__1::__function::__func<SK100::SK100(iplug::InstanceInfo const&)::$_1, std::__1::allocator<SK100::SK100(iplug::InstanceInfo const&)::$_1>, void (iplug::igraphics::IGraphics*)>::operator()(iplug::igraphics::IGraphics*&&) + 861 (functional:1728)
7   com.SNFK_MUSIC.audiounit.SK100	0x000000012cfa3f52 std::__1::__function::__value_func<void (iplug::igraphics::IGraphics*)>::operator()(iplug::igraphics::IGraphics*&&) const + 10 (functional:1881) [inlined]
8   com.SNFK_MUSIC.audiounit.SK100	0x000000012cfa3f52 std::__1::function<void (iplug::igraphics::IGraphics*)>::operator()(iplug::igraphics::IGraphics*) const + 10 (functional:2556) [inlined]
9   com.SNFK_MUSIC.audiounit.SK100	0x000000012cfa3f52 iplug::igraphics::IGEditorDelegate::LayoutUI(iplug::igraphics::IGraphics*) + 34 (IGraphicsEditorDelegate.h:71)
10  com.SNFK_MUSIC.audiounit.SK100	0x000000012cfd5fbc iplug::igraphics::IGraphicsMac::OpenWindow(void*) + 268 (IGraphicsMac.mm:102)
11  com.SNFK_MUSIC.audiounit.SK100	0x000000012cfb2b7f -[SK100_View uiViewForAudioUnit:withSize:] + 95 (IPlugAU_view_factory.mm:60)

Here’s my mac config:

// ------------------------------
// HEADER AND LIBRARY SEARCH PATHS
EXTRA_INC_PATHS = $(IGRAPHICS_INC_PATHS)
EXTRA_LIB_PATHS = $(IGRAPHICS_LIB_PATHS)
EXTRA_LNK_FLAGS = -framework Metal -framework MetalKit -framework OpenGL -framework WebKit $(IGRAPHICS_LNK_FLAGS)

// EXTRA_APP_DEFS =
// EXTRA_PLUGIN_DEFS =

//------------------------------
// PREPROCESSOR MACROS
EXTRA_ALL_DEFS = OBJC_PREFIX=vSK100 SWELL_APP_PREFIX=Swell_vSK100 IGRAPHICS_SKIA IGRAPHICS_CPU
//EXTRA_DEBUG_DEFS =
//EXTRA_RELEASE_DEFS =
//EXTRA_TRACER_DEFS =

//------------------------------
// RELEASE BUILD OPTIONS

Any ideas on fixing this?

Edit: I removed all of my controls that moved and got it working - I’m guessing this thread will help

olilarkin · 28 June 2021 19:34

Sadly I don’t think SKIA CPU is currently a viable option on macOS. Blitting on a retina screen is just too slow. I tried your plug-in and the UI crawls with Skia CPU.

For info on how hard Apple makes this…
https://1014.org/?article=802

and

olilarkin · 28 June 2021 19:43

Using IGRAPHICS_GL3 instead of IGRAPHICS_METAL may be an option, if you really must support this machine

olilarkin · 28 June 2021 20:05

Actually debugging SKIA CPU with your plugin I have come across a very strange behaviour. Somehow using a different bitmap for each knob is affecting the frame rate!

snfk · 14 July 2021 01:28

Hmmm, interesting. I just tested another product with only 5 knobs on a school computer and got a relatively usable frame rate compared to the other one.

I suppose there’s a nice line in the middle between realism and performance, and performance is more important. I’ve been meaning to build a little framework for brand recognition using vector graphics anyway lol.

Aside from changing the renderer to Skia, I also ended up creating @2x files for my assets and that fixed all of the crashing on the school Mac. I’m seeing pretty good results now, thanks for your work!

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