request_adapter() failed at Android 8.1
#2419
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area: api
Issues related to API surface
good first issue
Good for newcomers
type: enhancement
New feature or request
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Looks like this device is not able to support WebGPU proper. But we should add a downlevel capability for this sample interpolation stuff, so that we can support it. Line 877 in 77b2c25 The flag could be named like "MULTISAMPLED_SHADING". We'll need validation, but even if you just add a flag, it will be mergeable, and will make it work for your device. |
kvark
added
area: api
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Added the 2022-01-26 15:49:56.664 20215-20215/name.jinleili.wgpu I/wgpu_core::instance: Adapter Vulkan AdapterInfo { name: "Adreno (TM) 418", vendor: 20803, device: 67176448, device_type: IntegratedGpu, backend: Vulkan }
2022-01-26 15:49:56.664 20215-20215/name.jinleili.wgpu W/wgpu_hal::vulkan::ada..: Missing extensions: ["VK_KHR_maintenance2", "VK_EXT_sampler_filter_minmax", "VK_KHR_timeline_semaphore"]
2022-01-26 15:49:56.664 20215-20215/name.jinleili.wgpu D/wgpu_hal::vulkan::ada..: Supported extensions: ["VK_KHR_swapchain", "VK_KHR_maintenance1", "VK_KHR_storage_buffer_storage_class"]
2022-01-26 15:49:56.665 20215-20215/name.jinleili.wgpu W/wgpu_hal::vulkan: Unrecognized device error ERROR_FEATURE_NOT_PRESENT
2022-01-26 15:49:56.665 20215-20215/name.jinleili.wgpu E/wgpu::backend::direct: Error in Adapter::request_device: connection to device was lost during initialization
2022-01-26 15:49:56.666 20215-20215/name.jinleili.wgpu A/libc: Fatal signal 6 (SIGABRT), code -6 in tid 20215 (e.jinleili.wgpu), pid 20215 (e.jinleili.wgpu)Searched wgpu::DeviceDescriptor {
label: None,
features: wgpu::Features::default(),
limits: wgpu::Limits::downlevel_webgl2_defaults(),
}Also, I have a confusion about wgpu/wgpu-hal/src/vulkan/adapter.rs Line 339 in 0183e7d |
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I also ran into this problem when building I didn't face |
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@jinleili the Vulkan backend needs to initialize differently with this feature: wgpu/wgpu-hal/src/vulkan/adapter.rs Line 103 in 77b2c25 This line would become: .sample_rate_shading(downlevel_flags.contains(wgt::DownlevelFlags::MULTISAMPLED_SHADING),)
Like with other features, including cargo features, the flag is set when a feature is supported. Would you be able to provide logs with |
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@kvark Sure. |
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@kvark My changes are like this:jinleili@94b6bad , and failed at |
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@enfipy thank you! Would you mind attaching a |
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@jinleili changes look good, mind turning them into a PR? |
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@kvark I think this info will help - https://gist.github.com/enfipy/e2088afd4100b36db6248b07499bb215 from Also, we succeed in running |
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Test device: Google Nexus 5x(Android 8.1.0)
Backend: VULKAN
2022-01-25 10:55:31.018 27110-27110/name.jinleili.wgpu W/wgpu_hal::vulkan::ada..: sample_rate_shading feature is not supported, hiding adapter: Adreno (TM) 418 2022-01-25 10:55:31.019 27110-27110/name.jinleili.wgpu A/libc: Fatal signal 6 (SIGABRT), code -6 in tid 27110 (e.jinleili.wgpu), pid 27110 (e.jinleili.wgpu)Logcat full output:
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