Struct rerun::external::re_renderer::config::DeviceCaps

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pub struct DeviceCaps {
    pub tier: DeviceTier,
    pub max_texture_dimension2d: u32,
    pub max_buffer_size: u64,
    pub backend_type: WgpuBackendType,
}
Expand description

Capabilities of a given device.

Generally, this is a higher level interpretation of wgpu::Limits & wgpu::Features.

We’re trying to keep the number of fields in this struct to a minimum and associate as many as possible capabilities with the device tier.

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§tier: DeviceTier§max_texture_dimension2d: u32

Maximum texture dimension in pixels in both width and height.

Since this has a direct effect on the image sizes & screen resolution a user can use, we always pick the highest possible.

§max_buffer_size: u64

Maximum buffer size in bytes.

Since this has a direct effect on how much data a user can wrangle on the gpu, we always pick the highest possible.

§backend_type: WgpuBackendType

Wgpu backend type.

Prefer using tier and other properties of this struct for distinguishing between abilities. This is useful for making wgpu-core/webgpu api path decisions.

Implementations§

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impl DeviceCaps

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pub fn from_adapter_without_validation(adapter: &Adapter) -> DeviceCaps

Picks the highest possible tier for a given adapter, but doesn’t validate that all the capabilities needed are there.

This is really only needed for generating a device descriptor for Self::device_descriptor. See also use of egui_wgpu::WgpuSetup::CreateNew

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pub fn from_adapter( adapter: &Adapter, ) -> Result<DeviceCaps, InsufficientDeviceCapabilities>

Picks the highest possible tier for a given adapter.

Note that it is always possible to pick a lower tier!

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pub fn limits(&self) -> Limits

Wgpu limits required by the given device tier.

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pub fn device_descriptor(&self) -> DeviceDescriptor<Option<&'static str>>

Device descriptor compatible with the given device tier.

Trait Implementations§

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impl Clone for DeviceCaps

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fn clone(&self) -> DeviceCaps

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for DeviceCaps

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl PartialEq for DeviceCaps

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fn eq(&self, other: &DeviceCaps) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for DeviceCaps

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impl StructuralPartialEq for DeviceCaps

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