Emulator

I mean, probably the best we can do is just disable the option. Apple is not making it easy to support their OS.

If you want a far better experience, literally use any other supported OS than macOS.

Ok thanks ;-)

However Vulkan runs much better, even faster than OpenGL on macOS...it's only this issue (hopefully someone will find a solution).

I get a segfault instead, however I'm on nVidia. Wind Waker manages to show the Nintendo logo and the Dolby ProLogic II logo before crashing.

This seems to be a regression in Dolphin, because 5.0-9431, which I still have lying somewhere, doesn't crash with GPU Texture decoding enabled. Current master crashes with any MoltenVK version I tried (1.0.26 released earlier than that).

However, I observed that starting with MoltenVK 1.0.35 (the one currently bundled with Dolphin) GPU Texture decoding stops garbling textures, so this might be worth investigating further.

To specify further: The regression must have been introduced somewhere between 9431 and 9694.

Feel free to find the exact build, so I can tag whoever caused the regression. That'd help a lot :)

I completely missed this, but hey thanks for this fix ;-) It works also with the latest Vulkan SDK 1.1.121.

Oh sorry! Please forget my previous reply:
Dolphin on macOS with Vulkan-Backend still crashes when GPU Texture Decoding. Otherwise everything works fine
Tested with Dolphin 5.0-10912 on macMini 2018 core i5 / INTEL UHD Graphics 630, Vulkan SDK 1.1.121

Here's the crash log:

0   com.apple.driver.AppleIntelKBLGraphicsMTLDriver	0x00007fff347bf642 CHAL_INTEL::ChalContext::ChalExecuteKernel(CHAL_INTEL::tagDecodedBinaryInfo const*, MTLSize&, MTLSize&, MTLSize&, IGBufferMemory<31ul>&, sTextureArgument const*, sSamplerArgument const*, unsigned int const*, MTLRegion, MTLIGAccelBuffer*, unsigned int, MTLIGAccelBuffer*, unsigned int) + 578
1   com.apple.driver.AppleIntelKBLGraphicsMTLDriver	0x00007fff347746d0 IGAccelComputeCommandEncoder::dispatchThreadgroups(MTLSize, MTLSize) + 172
2   com.apple.driver.AppleIntelKBLGraphicsMTLDriver	0x00007fff34774574 -[MTLIGAccelComputeCommandEncoder dispatchThreadgroups:threadsPerThreadgroup:] + 234
3   libvulkan.dylib               	0x000000011342cb18 MVKCmdDispatch::encode(MVKCommandEncoder*) + 120
4   libvulkan.dylib               	0x00000001133d6ddb MVKCommandEncoder::encode(id<MTLCommandBuffer>) + 139
5   libvulkan.dylib               	0x00000001133d6c1b MVKCommandBuffer::submit(MVKQueueCommandBufferSubmission*) + 363
6   libvulkan.dylib               	0x0000000113406c64 MVKQueueCommandBufferSubmission::execute() + 420
7   libvulkan.dylib               	0x00000001134057c1 MVKQueue::submit(unsigned int, VkSubmitInfo const*, VkFence_T*) + 561
8   org.dolphin-emu.dolphin       	0x000000010a0a9aba Vulkan::CommandBufferManager::SubmitCommandBuffer(unsigned int, VkSwapchainKHR_T*, unsigned int) + 234

I can also confirm that version 5.0-9638 introduced this issues on Mac, after a year not a single version is able to play any games using Vulkan which is faster and probably the definite performance boost macOS users need.
The problem is not present on version 5.0-9633.

On my case this is the crash log:

Process:               Dolphin [1630]
Path:                  /Users/USER/Desktop/*/Dolphin 2.app/Contents/MacOS/Dolphin
Identifier:            org.dolphin-emu.dolphin
Version:               5.0-11830 (5.0)
Code Type:             X86-64 (Native)
Parent Process:        ??? [1]
Responsible:           Dolphin [1630]
User ID:               501

Date/Time:             2020-04-07 16:44:55.212 -0400
OS Version:            Mac OS X 10.14.6 (18G103)
Report Version:        12
Anonymous UUID:        94D53549-75FB-116F-2993-42E3018802C4

Crashed Thread:        15  Video thread

Exception Type:        EXC_CRASH (SIGABRT)
Exception Codes:       0x0000000000000000, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY

Application Specific Information:
-[MTLIOAccelComputeCommandEncoder bindEmulationArguments]:53: failed assertion `No compute pipeline state bound'

Thread 15 Crashed:: Video thread
0   libsystem_kernel.dylib        	0x00007fff57e092c6 __pthread_kill + 10
1   libsystem_pthread.dylib       	0x00007fff57ec4bf1 pthread_kill + 284
2   libsystem_c.dylib             	0x00007fff57d736a6 abort + 127
3   libsystem_c.dylib             	0x00007fff57d3c20d __assert_rtn + 324
4   com.apple.Metal               	0x00007fff3091b68e MTLReportFailure + 567
5   com.apple.Metal               	0x00007fff308d9468 -[MTLIOAccelComputeCommandEncoder bindEmulationArguments] + 350
6   com.apple.driver.AppleIntelHD5000GraphicsMTLDriver	0x00007fff24477401 -[MTLIGAccelComputeCommandEncoder dispatchThreadgroups:threadsPerThreadgroup:] + 209
7   libvulkan.dylib               	0x00000001217417af MVKCmdDispatch::encode(MVKCommandEncoder*) + 287
8   libvulkan.dylib               	0x00000001216b6cdb MVKCommandEncoder::encode(id<MTLCommandBuffer>) + 123
9   libvulkan.dylib               	0x00000001216b6b31 MVKCommandBuffer::submit(MVKQueueCommandBufferSubmission*) + 353
10  libvulkan.dylib               	0x00000001216fa6e3 MVKQueueCommandBufferSubmission::execute() + 291
11  libvulkan.dylib               	0x00000001216f94e2 MVKQueue::submit(unsigned int, VkSubmitInfo const*, VkFence_T*) + 546
12  libvulkan.dylib               	0x00000001216752f4 vkQueueSubmit + 68
13  org.dolphin-emu.dolphin       	0x0000000106fa0b8a Vulkan::CommandBufferManager::SubmitCommandBuffer(unsigned int, VkSwapchainKHR_T*, unsigned int) + 234

That is a slight improvement, but not really enough to call this fixed.