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Struct wgpu::DownlevelFlags[][src]

pub struct DownlevelFlags { /* fields omitted */ }
Expand description

Binary flags listing features that may or may not be present on downlevel adapters.

A downlevel adapter is a GPU adapter that WGPU supports, but with potentially limited features, due to the lack of hardware feature support.

Flags that are not present for a downlevel adapter or device usually indicates non-compliance with the WebGPU specification, but not always.

You can check whether a set of flags is compliant through the DownlevelCapabilities::is_webgpu_compliant() function.

Implementations

All flags that indicate if the backend is WebGPU compliant

The device supports compiling and using compute shaders.

Supports binding storage buffers and textures to fragment shaders.

Supports indirect drawing and dispatching.

Supports non-zero base_vertex parameter to indexed draw calls.

Supports reading from a depth/stencil buffer while using as a read-only depth/stencil attachment.

Supports:

  • copy_image_to_image
  • copy_buffer_to_image and copy_image_to_buffer with a buffer without a MAP_* usage

Supports textures with mipmaps which have a non power of two size.

Supports textures that are cube arrays.

Supports comparison samplers.

Supports different blending modes per color target.

Supports storage buffers in vertex shaders.

Supports samplers with anisotropic filtering. Note this isn’t actually required by WebGPU, the implementation is allowed to completely ignore aniso clamp. This flag is here for native backends so they can comunicate to the user of aniso is enabled.

Supports storage buffers in fragment shaders.

Returns an empty set of flags.

Returns the set containing all flags.

Returns the raw value of the flags currently stored.

Convert from underlying bit representation, unless that representation contains bits that do not correspond to a flag.

Convert from underlying bit representation, dropping any bits that do not correspond to flags.

Convert from underlying bit representation, preserving all bits (even those not corresponding to a defined flag).

Safety

The caller of the bitflags! macro can chose to allow or disallow extra bits for their bitflags type.

The caller of from_bits_unchecked() has to ensure that all bits correspond to a defined flag or that extra bits are valid for this bitflags type.

Returns true if no flags are currently stored.

Returns true if all flags are currently set.

Returns true if there are flags common to both self and other.

Returns true if all of the flags in other are contained within self.

Inserts the specified flags in-place.

Removes the specified flags in-place.

Toggles the specified flags in-place.

Inserts or removes the specified flags depending on the passed value.

Returns the intersection between the flags in self and other.

Specifically, the returned set contains only the flags which are present in both self and other.

This is equivalent to using the & operator (e.g. ops::BitAnd), as in flags & other.

Returns the union of between the flags in self and other.

Specifically, the returned set contains all flags which are present in either self or other, including any which are present in both (see Self::symmetric_difference if that is undesirable).

This is equivalent to using the | operator (e.g. ops::BitOr), as in flags | other.

Returns the difference between the flags in self and other.

Specifically, the returned set contains all flags present in self, except for the ones present in other.

It is also conceptually equivalent to the “bit-clear” operation: flags & !other (and this syntax is also supported).

This is equivalent to using the - operator (e.g. ops::Sub), as in flags - other.

Returns the symmetric difference between the flags in self and other.

Specifically, the returned set contains the flags present which are present in self or other, but that are not present in both. Equivalently, it contains the flags present in exactly one of the sets self and other.

This is equivalent to using the ^ operator (e.g. ops::BitXor), as in flags ^ other.

Returns the complement of this set of flags.

Specifically, the returned set contains all the flags which are not set in self, but which are allowed for this type.

Alternatively, it can be thought of as the set difference between Self::all() and self (e.g. Self::all() - self)

This is equivalent to using the ! operator (e.g. ops::Not), as in !flags.

Trait Implementations

Formats the value using the given formatter.

Returns the intersection between the two sets of flags.

The resulting type after applying the & operator.

Disables all flags disabled in the set.

Returns the union of the two sets of flags.

The resulting type after applying the | operator.

Adds the set of flags.

Returns the left flags, but with all the right flags toggled.

The resulting type after applying the ^ operator.

Toggles the set of flags.

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Deserialize this value from the given Serde deserializer. Read more

Extends a collection with the contents of an iterator. Read more

🔬 This is a nightly-only experimental API. (extend_one)

Extends a collection with exactly one element.

🔬 This is a nightly-only experimental API. (extend_one)

Reserves capacity in a collection for the given number of additional elements. Read more

Creates a value from an iterator. Read more

Feeds this value into the given Hasher. Read more

Feeds a slice of this type into the given Hasher. Read more

Formats the value using the given formatter.

Returns the complement of this set of flags.

The resulting type after applying the ! operator.

Formats the value using the given formatter.

This method returns an Ordering between self and other. Read more

Compares and returns the maximum of two values. Read more

Compares and returns the minimum of two values. Read more

Restrict a value to a certain interval. Read more

This method tests for self and other values to be equal, and is used by ==. Read more

This method tests for !=.

This method returns an ordering between self and other values if one exists. Read more

This method tests less than (for self and other) and is used by the < operator. Read more

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

This method tests greater than (for self and other) and is used by the > operator. Read more

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

Serialize this value into the given Serde serializer. Read more

Returns the set difference of the two sets of flags.

The resulting type after applying the - operator.

Disables all flags enabled in the set.

Formats the value using the given formatter.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Compare self to key and return true if they are equal.

Performs the conversion.

Performs the conversion.

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.