can't use webgpu frontend with vulkan drivers when hyprland config is set to use explicit_sync

[nerdyinu]

What Operating System(s) are you seeing this problem on?

Linux Wayland

Which Wayland compositor or X11 Window manager(s) are you using?

Fedora Asahi Remix / Hyprland

WezTerm version

20241222_002501_eeba7ac2

Did you try the latest nightly build to see if the issue is better (or worse!) than your current version?

Yes, and I updated the version box above to show the version of the nightly that I tried

Describe the bug

fedora asahi remix supports vulkan backend since September
command wezterm.gui.enumerate_gpus() return this

> wezterm.gui.enumerate_gpus()
[
    {
        "backend": "Vulkan",
        "device": 0,
        "device_type": "IntegratedGpu",
        "driver": "Honeykrisp",
        "driver_info": "Mesa 25.0.0-asahi20241204",
        "name": "Apple M2 Pro (G14S B1)",
        "vendor": 65541,
    },
    {
        "backend": "Vulkan",
        "device": 0,
        "device_type": "Cpu",
        "driver": "llvmpipe",
        "driver_info": "Mesa 25.0.0-asahi20241204 (LLVM 18.1.8)",
        "name": "llvmpipe (LLVM 18.1.8, 128 bits)",
        "vendor": 65541,
    },
    {
        "backend": "Gl",
        "device": 0,
        "device_type": "IntegratedGpu",
        "driver_info": "4.6 (Core Profile) Mesa 25.0.0-asahi20241204",
        "name": "Apple M2 Pro (G14S B1)",
        "vendor": 65541,
    },
]

i tried to use webgpu as frontend as stated in the document like this

for _, gpu in ipairs(wezterm.gui.enumerate_gpus()) do
	if gpu.backend == "Vulkan" and gpu.device_type == "IntegratedGpu" then
		config.webgpu_preferred_adapter = gpu
		config.front_end = "WebGpu"
		break
	end
end

but it crashes with this log

➜  wezterm                                                                                              [11:52:24]
wp_linux_drm_syncobj_timeline_v1#57: error 1: Timeline failed importing
11:52:28.178  ERROR  wgpu_hal::vulkan::adapter > get_physical_device_surface_present_modes: ERROR_SURFACE_LOST_KHR
11:52:28.178  ERROR  wgpu_hal::vulkan::adapter > get_physical_device_surface_formats: ERROR_SURFACE_LOST_KHR
11:52:28.179  ERROR  env_bootstrap             > panic at /builddir/.cargo/registry/src/index.crates.io-6f17d22bba15001f/wgpu-22.1.0/src/backend/wgpu_core.rs:786:18 - !?
   0: <unknown>
   1: <unknown>
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  26: __libc_start_call_main
  27: __libc_start_main@@GLIBC_2.34
  28: <unknown>

thread 'main' panicked at /builddir/.cargo/registry/src/index.crates.io-6f17d22bba15001f/wgpu-22.1.0/src/backend/wgpu_core.rs:786:18:
Error in Surface::configure: Validation Error

Caused by:
  Requested format Bgra8UnormSrgb is not in list of supported formats: []

note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
panicked at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/local.rs:260:26:

thread panicked while processing panic. aborting.
Error: nu::shell::core_dumped

  × External command core dumped
   ╭─[entry #1:1:1]
 1 │ wezterm
   · ───┬───
   ·    ╰── core dumped with SIGABRT (6)
   ╰────

hyprland is using explicit_sync=2. this hyprland config has also broken other apps that requires gpu acceleration with vulkan. explicit_sync=0 solves this, which doesnt uses explicit sync feature.

To Reproduce

No response

Configuration

> wezterm.gui.enumerate_gpus()
[
    {
        "backend": "Vulkan",
        "device": 0,
        "device_type": "IntegratedGpu",
        "driver": "Honeykrisp",
        "driver_info": "Mesa 25.0.0-asahi20241204",
        "name": "Apple M2 Pro (G14S B1)",
        "vendor": 65541,
    },
    {
        "backend": "Vulkan",
        "device": 0,
        "device_type": "Cpu",
        "driver": "llvmpipe",
        "driver_info": "Mesa 25.0.0-asahi20241204 (LLVM 18.1.8)",
        "name": "llvmpipe (LLVM 18.1.8, 128 bits)",
        "vendor": 65541,
    },
    {
        "backend": "Gl",
        "device": 0,
        "device_type": "IntegratedGpu",
        "driver_info": "4.6 (Core Profile) Mesa 25.0.0-asahi20241204",
        "name": "Apple M2 Pro (G14S B1)",
        "vendor": 65541,
    },
]

i tried to use webgpu as frontend as stated in the document like this

for _, gpu in ipairs(wezterm.gui.enumerate_gpus()) do
	if gpu.backend == "Vulkan" and gpu.device_type == "IntegratedGpu" then
		config.webgpu_preferred_adapter = gpu
		config.front_end = "WebGpu"
		break
	end
end

Expected Behavior

No response

Logs

➜  wezterm                                                                                              [11:52:24]
wp_linux_drm_syncobj_timeline_v1#57: error 1: Timeline failed importing
11:52:28.178  ERROR  wgpu_hal::vulkan::adapter > get_physical_device_surface_present_modes: ERROR_SURFACE_LOST_KHR
11:52:28.178  ERROR  wgpu_hal::vulkan::adapter > get_physical_device_surface_formats: ERROR_SURFACE_LOST_KHR
11:52:28.179  ERROR  env_bootstrap             > panic at /builddir/.cargo/registry/src/index.crates.io-6f17d22bba15001f/wgpu-22.1.0/src/backend/wgpu_core.rs:786:18 - !?
   0: <unknown>
   1: <unknown>
   2: <unknown>
   3: <unknown>
   4: <unknown>
   5: <unknown>
   6: <unknown>
   7: <unknown>
   8: <unknown>
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  18: <unknown>
  19: <unknown>
  20: <unknown>
  21: <unknown>
  22: <unknown>
  23: <unknown>
  24: <unknown>
  25: <unknown>
  26: __libc_start_call_main
  27: __libc_start_main@@GLIBC_2.34
  28: <unknown>

thread 'main' panicked at /builddir/.cargo/registry/src/index.crates.io-6f17d22bba15001f/wgpu-22.1.0/src/backend/wgpu_core.rs:786:18:
Error in Surface::configure: Validation Error

Caused by:
  Requested format Bgra8UnormSrgb is not in list of supported formats: []

note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
panicked at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/local.rs:260:26:

thread panicked while processing panic. aborting.
Error: nu::shell::core_dumped

  × External command core dumped
   ╭─[entry #1:1:1]
 1 │ wezterm
   · ───┬───
   ·    ╰── core dumped with SIGABRT (6)
   ╰────

Anything else?

No response