pub struct Features(/* private fields */);
wgpu
and glsl-out
only.Expand description
Structure used to encode additions to GLSL that aren’t supported by all versions.
Implementations§
§impl Features
impl Features
pub const BUFFER_STORAGE: Features = _
pub const BUFFER_STORAGE: Features = _
Buffer address space support.
pub const ARRAY_OF_ARRAYS: Features = _
pub const DOUBLE_TYPE: Features = _
pub const DOUBLE_TYPE: Features = _
8 byte floats.
pub const FULL_IMAGE_FORMATS: Features = _
pub const FULL_IMAGE_FORMATS: Features = _
More image formats.
pub const MULTISAMPLED_TEXTURES: Features = _
pub const MULTISAMPLED_TEXTURE_ARRAYS: Features = _
pub const CUBE_TEXTURES_ARRAY: Features = _
pub const COMPUTE_SHADER: Features = _
pub const IMAGE_LOAD_STORE: Features = _
pub const IMAGE_LOAD_STORE: Features = _
Image load and early depth tests.
pub const CONSERVATIVE_DEPTH: Features = _
pub const NOPERSPECTIVE_QUALIFIER: Features = _
pub const NOPERSPECTIVE_QUALIFIER: Features = _
Interpolation and auxiliary qualifiers.
Perspective, Flat, and Centroid are available in all GLSL versions we support.
pub const SAMPLE_QUALIFIER: Features = _
pub const CLIP_DISTANCE: Features = _
pub const CULL_DISTANCE: Features = _
pub const SAMPLE_VARIABLES: Features = _
pub const SAMPLE_VARIABLES: Features = _
Sample ID.
pub const DYNAMIC_ARRAY_SIZE: Features = _
pub const DYNAMIC_ARRAY_SIZE: Features = _
Arrays with a dynamic length.
pub const MULTI_VIEW: Features = _
pub const TEXTURE_SAMPLES: Features = _
pub const TEXTURE_SAMPLES: Features = _
Texture samples query
pub const TEXTURE_LEVELS: Features = _
pub const TEXTURE_LEVELS: Features = _
Texture levels query
pub const IMAGE_SIZE: Features = _
pub const IMAGE_SIZE: Features = _
Image size query
pub const DUAL_SOURCE_BLENDING: Features = _
pub const DUAL_SOURCE_BLENDING: Features = _
Dual source blending
pub const INSTANCE_INDEX: Features = _
pub const INSTANCE_INDEX: Features = _
Instance index
We can always support this, either through the language or a polyfill
pub const TEXTURE_SHADOW_LOD: Features = _
pub const TEXTURE_SHADOW_LOD: Features = _
Sample specific LODs of cube / array shadow textures
§impl Features
impl Features
pub const fn bits(&self) -> u32
pub const fn bits(&self) -> u32
Get the underlying bits value.
The returned value is exactly the bits set in this flags value.
pub const fn from_bits(bits: u32) -> Option<Features>
pub const fn from_bits(bits: u32) -> Option<Features>
Convert from a bits value.
This method will return None
if any unknown bits are set.
pub const fn from_bits_truncate(bits: u32) -> Features
pub const fn from_bits_truncate(bits: u32) -> Features
Convert from a bits value, unsetting any unknown bits.
pub const fn from_bits_retain(bits: u32) -> Features
pub const fn from_bits_retain(bits: u32) -> Features
Convert from a bits value exactly.
pub fn from_name(name: &str) -> Option<Features>
pub fn from_name(name: &str) -> Option<Features>
Get a flags value with the bits of a flag with the given name set.
This method will return None
if name
is empty or doesn’t
correspond to any named flag.
pub const fn intersects(&self, other: Features) -> bool
pub const fn intersects(&self, other: Features) -> bool
Whether any set bits in a source flags value are also set in a target flags value.
pub const fn contains(&self, other: Features) -> bool
pub const fn contains(&self, other: Features) -> bool
Whether all set bits in a source flags value are also set in a target flags value.
pub fn remove(&mut self, other: Features)
pub fn remove(&mut self, other: Features)
The intersection of a source flags value with the complement of a target flags value (&!
).
This method is not equivalent to self & !other
when other
has unknown bits set.
remove
won’t truncate other
, but the !
operator will.
pub fn toggle(&mut self, other: Features)
pub fn toggle(&mut self, other: Features)
The bitwise exclusive-or (^
) of the bits in two flags values.
pub fn set(&mut self, other: Features, value: bool)
pub fn set(&mut self, other: Features, value: bool)
Call insert
when value
is true
or remove
when value
is false
.
pub const fn intersection(self, other: Features) -> Features
pub const fn intersection(self, other: Features) -> Features
The bitwise and (&
) of the bits in two flags values.
pub const fn union(self, other: Features) -> Features
pub const fn union(self, other: Features) -> Features
The bitwise or (|
) of the bits in two flags values.
pub const fn difference(self, other: Features) -> Features
pub const fn difference(self, other: Features) -> Features
The intersection of a source flags value with the complement of a target flags value (&!
).
This method is not equivalent to self & !other
when other
has unknown bits set.
difference
won’t truncate other
, but the !
operator will.
pub const fn symmetric_difference(self, other: Features) -> Features
pub const fn symmetric_difference(self, other: Features) -> Features
The bitwise exclusive-or (^
) of the bits in two flags values.
pub const fn complement(self) -> Features
pub const fn complement(self) -> Features
The bitwise negation (!
) of the bits in a flags value, truncating the result.
§impl Features
impl Features
pub const fn iter(&self) -> Iter<Features>
pub const fn iter(&self) -> Iter<Features>
Yield a set of contained flags values.
Each yielded flags value will correspond to a defined named flag. Any unknown bits will be yielded together as a final flags value.
pub const fn iter_names(&self) -> IterNames<Features>
pub const fn iter_names(&self) -> IterNames<Features>
Yield a set of contained named flags values.
This method is like iter
, except only yields bits in contained named flags.
Any unknown bits, or bits not corresponding to a contained flag will not be yielded.
Trait Implementations§
§impl BitAndAssign for Features
impl BitAndAssign for Features
§fn bitand_assign(&mut self, other: Features)
fn bitand_assign(&mut self, other: Features)
The bitwise and (&
) of the bits in two flags values.
§impl BitOrAssign for Features
impl BitOrAssign for Features
§fn bitor_assign(&mut self, other: Features)
fn bitor_assign(&mut self, other: Features)
The bitwise or (|
) of the bits in two flags values.
§impl BitXorAssign for Features
impl BitXorAssign for Features
§fn bitxor_assign(&mut self, other: Features)
fn bitxor_assign(&mut self, other: Features)
The bitwise exclusive-or (^
) of the bits in two flags values.
§impl Extend<Features> for Features
impl Extend<Features> for Features
§fn extend<T>(&mut self, iterator: T)where
T: IntoIterator<Item = Features>,
fn extend<T>(&mut self, iterator: T)where
T: IntoIterator<Item = Features>,
The bitwise or (|
) of the bits in each flags value.
source§fn extend_one(&mut self, item: A)
fn extend_one(&mut self, item: A)
extend_one
)source§fn extend_reserve(&mut self, additional: usize)
fn extend_reserve(&mut self, additional: usize)
extend_one
)§impl Flags for Features
impl Flags for Features
§fn from_bits_retain(bits: u32) -> Features
fn from_bits_retain(bits: u32) -> Features
§fn from_bits_truncate(bits: Self::Bits) -> Self
fn from_bits_truncate(bits: Self::Bits) -> Self
§fn from_name(name: &str) -> Option<Self>
fn from_name(name: &str) -> Option<Self>
§fn iter_names(&self) -> IterNames<Self>
fn iter_names(&self) -> IterNames<Self>
§fn intersects(&self, other: Self) -> boolwhere
Self: Sized,
fn intersects(&self, other: Self) -> boolwhere
Self: Sized,
§fn contains(&self, other: Self) -> boolwhere
Self: Sized,
fn contains(&self, other: Self) -> boolwhere
Self: Sized,
§fn insert(&mut self, other: Self)where
Self: Sized,
fn insert(&mut self, other: Self)where
Self: Sized,
|
) of the bits in two flags values.§fn remove(&mut self, other: Self)where
Self: Sized,
fn remove(&mut self, other: Self)where
Self: Sized,
&!
). Read more§fn toggle(&mut self, other: Self)where
Self: Sized,
fn toggle(&mut self, other: Self)where
Self: Sized,
^
) of the bits in two flags values.§fn set(&mut self, other: Self, value: bool)where
Self: Sized,
fn set(&mut self, other: Self, value: bool)where
Self: Sized,
Flags::insert
] when value
is true
or [Flags::remove
] when value
is false
.§fn intersection(self, other: Self) -> Self
fn intersection(self, other: Self) -> Self
&
) of the bits in two flags values.§fn difference(self, other: Self) -> Self
fn difference(self, other: Self) -> Self
&!
). Read more§fn symmetric_difference(self, other: Self) -> Self
fn symmetric_difference(self, other: Self) -> Self
^
) of the bits in two flags values.§fn complement(self) -> Self
fn complement(self) -> Self
!
) of the bits in a flags value, truncating the result.§impl FromIterator<Features> for Features
impl FromIterator<Features> for Features
§fn from_iter<T>(iterator: T) -> Featureswhere
T: IntoIterator<Item = Features>,
fn from_iter<T>(iterator: T) -> Featureswhere
T: IntoIterator<Item = Features>,
The bitwise or (|
) of the bits in each flags value.
§impl IntoIterator for Features
impl IntoIterator for Features
§impl Sub for Features
impl Sub for Features
§impl SubAssign for Features
impl SubAssign for Features
§fn sub_assign(&mut self, other: Features)
fn sub_assign(&mut self, other: Features)
The intersection of a source flags value with the complement of a target flags value (&!
).
This method is not equivalent to self & !other
when other
has unknown bits set.
difference
won’t truncate other
, but the !
operator will.
impl Copy for Features
impl Eq for Features
impl StructuralEq for Features
impl StructuralPartialEq for Features
Auto Trait Implementations§
impl RefUnwindSafe for Features
impl Send for Features
impl Sync for Features
impl Unpin for Features
impl UnwindSafe for Features
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