Struct libva::UsageHint

#[repr(transparent)]
pub struct UsageHint(<UsageHint as PublicFlags>::Internal);

Gives the driver a hint of intended usage to optimize allocation (e.g. tiling).

Tuple Fields

0: <UsageHint as PublicFlags>::Internal

Implementations

impl UsageHint

pub const USAGE_HINT_GENERIC: Self = _

Surface usage not indicated.

pub const USAGE_HINT_DECODER: Self = _

Surface used by video decoder.

pub const USAGE_HINT_ENCODER: Self = _

Surface used by video encoder.

pub const USAGE_HINT_VPP_READ: Self = _

Surface read by video post-processing.

pub const USAGE_HINT_VPP_WRITE: Self = _

Surface written by video post-processing.

pub const USAGE_HINT_DISPLAY: Self = _

Surface used for display.

pub const USAGE_HINT_EXPORT: Self = _

Surface used for export to third-party APIs, e.g. via vaExportSurfaceHandle().

Trait Implementations

impl Binary for UsageHint

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

Formats the value using the given formatter.

impl BitAnd<UsageHint> for UsageHint

fn bitand(self, other: Self) -> Self

Returns the intersection between the two sets of flags.

type Output = UsageHint

The resulting type after applying the & operator.

impl BitAndAssign<UsageHint> for UsageHint

fn bitand_assign(&mut self, other: Self)

Disables all flags disabled in the set.

impl BitFlags for UsageHint

type Bits = u32

The underlying integer type.

type Iter = Iter

An iterator over enabled flags in an instance of the type.

type IterNames = IterRaw

An iterator over the raw names and bits for enabled flags in an instance of the type.

fn empty() -> Self

Returns an empty set of flags.

fn all() -> Self

Returns the set containing all flags.

fn bits(&self) -> u32

Returns the raw value of the flags currently stored.

fn from_bits(bits: u32) -> Option<UsageHint>

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

fn from_bits_truncate(bits: u32) -> UsageHint

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

fn from_bits_retain(bits: u32) -> UsageHint

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

fn from_name(name: &str) -> Option<UsageHint>

Get the flag for a particular name.

fn iter(&self) -> Self::Iter

Iterate over enabled flag values.

fn iter_names(&self) -> Self::IterNames

Iterate over the raw names and bits for enabled flag values.

fn is_empty(&self) -> bool

Returns true if no flags are currently stored.

fn is_all(&self) -> bool

Returns true if all flags are currently set.

fn intersects(&self, other: UsageHint) -> bool

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

fn contains(&self, other: UsageHint) -> bool

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

fn insert(&mut self, other: UsageHint)

Inserts the specified flags in-place.

fn remove(&mut self, other: UsageHint)

Removes the specified flags in-place.

fn toggle(&mut self, other: UsageHint)

Toggles the specified flags in-place.

fn set(&mut self, other: UsageHint, value: bool)

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

impl BitOr<UsageHint> for UsageHint

fn bitor(self, other: UsageHint) -> Self

Returns the union of the two sets of flags.

type Output = UsageHint

The resulting type after applying the | operator.

impl BitOrAssign<UsageHint> for UsageHint

fn bitor_assign(&mut self, other: Self)

Adds the set of flags.

impl BitXor<UsageHint> for UsageHint

fn bitxor(self, other: Self) -> Self

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

type Output = UsageHint

The resulting type after applying the ^ operator.

impl BitXorAssign<UsageHint> for UsageHint

fn bitxor_assign(&mut self, other: Self)

Toggles the set of flags.

impl Clone for UsageHint

fn clone(&self) -> UsageHint

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for UsageHint

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

Formats the value using the given formatter.

impl Extend<UsageHint> for UsageHint

fn extend<T: IntoIterator<Item = Self>>(&mut self, iterator: T)

Extends a collection with the contents of an iterator.

fn extend_one(&mut self, item: A)

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

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

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

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

impl FromIterator<UsageHint> for UsageHint

fn from_iter<T: IntoIterator<Item = Self>>(iterator: T) -> Self

Creates a value from an iterator.

impl Hash for UsageHint

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)where
    H: Hasher,

Feeds a slice of this type into the given Hasher.

impl IntoIterator for UsageHint

type Item = UsageHint

The type of the elements being iterated over.

type IntoIter = Iter

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl LowerHex for UsageHint

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

Formats the value using the given formatter.

impl Not for UsageHint

fn not(self) -> Self

Returns the complement of this set of flags.

type Output = UsageHint

The resulting type after applying the ! operator.

impl Octal for UsageHint

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

Formats the value using the given formatter.

impl Ord for UsageHint

fn cmp(&self, other: &UsageHint) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Selfwhere
    Self: PartialOrd<Self>,

Restrict a value to a certain interval.

impl PartialEq<UsageHint> for UsageHint

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

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

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.

impl PartialOrd<UsageHint> for UsageHint

fn partial_cmp(&self, other: &UsageHint) -> Option<Ordering>

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

fn lt(&self, other: &Rhs) -> bool

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

fn le(&self, other: &Rhs) -> bool

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

fn gt(&self, other: &Rhs) -> bool

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

fn ge(&self, other: &Rhs) -> bool

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

impl PublicFlags for UsageHint

type Internal = InternalBitFlags

The type of the internal field on the generated flags type.

impl Sub<UsageHint> for UsageHint

fn sub(self, other: Self) -> Self

Returns the set difference of the two sets of flags.

type Output = UsageHint

The resulting type after applying the - operator.

impl SubAssign<UsageHint> for UsageHint

fn sub_assign(&mut self, other: Self)

Disables all flags enabled in the set.

impl UpperHex for UsageHint

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

Formats the value using the given formatter.

impl Copy for UsageHint

impl Eq for UsageHint

impl StructuralEq for UsageHint

impl StructuralPartialEq for UsageHint