pub struct SingleBufferSettings {
pub buffer_settings: BufferMemorySettings,
pub has_image_format_constraints: bool,
pub image_format_constraints: ImageFormatConstraints,
}
Expand description
After the initial buffer allocation, it’s allowed to close old buffers and allocate new buffers. When a new buffer is allocated its settings can differ from the rest of the buffers in the collection, and the single buffer’s settings are delivered via OnSingleBufferAllocated() using this struct:
Fields§
§buffer_settings: BufferMemorySettings
§has_image_format_constraints: bool
Buffers holding data that is not uncompressed image data will not have this field set. Buffers holding data that is uncompressed image data may have this field set.
At least for now, changing the PixelFormat requires re-allocating buffers.
image_format_constraints: ImageFormatConstraints
Trait Implementations§
source§impl Clone for SingleBufferSettings
impl Clone for SingleBufferSettings
source§fn clone(&self) -> SingleBufferSettings
fn clone(&self) -> SingleBufferSettings
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for SingleBufferSettings
impl Debug for SingleBufferSettings
source§impl Decode<SingleBufferSettings> for SingleBufferSettings
impl Decode<SingleBufferSettings> for SingleBufferSettings
source§impl Encode<SingleBufferSettings> for &SingleBufferSettings
impl Encode<SingleBufferSettings> for &SingleBufferSettings
source§impl<T0: Encode<BufferMemorySettings>, T1: Encode<bool>, T2: Encode<ImageFormatConstraints>> Encode<SingleBufferSettings> for (T0, T1, T2)
impl<T0: Encode<BufferMemorySettings>, T1: Encode<bool>, T2: Encode<ImageFormatConstraints>> Encode<SingleBufferSettings> for (T0, T1, T2)
source§impl Hash for SingleBufferSettings
impl Hash for SingleBufferSettings
source§impl Ord for SingleBufferSettings
impl Ord for SingleBufferSettings
source§fn cmp(&self, other: &SingleBufferSettings) -> Ordering
fn cmp(&self, other: &SingleBufferSettings) -> Ordering
1.21.0 · source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the maximum of two values. Read more
source§impl PartialEq for SingleBufferSettings
impl PartialEq for SingleBufferSettings
source§fn eq(&self, other: &SingleBufferSettings) -> bool
fn eq(&self, other: &SingleBufferSettings) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.source§impl PartialOrd for SingleBufferSettings
impl PartialOrd for SingleBufferSettings
source§fn partial_cmp(&self, other: &SingleBufferSettings) -> Option<Ordering>
fn partial_cmp(&self, other: &SingleBufferSettings) -> Option<Ordering>
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for
self
and other
) and is used by the <=
operator. Read moresource§impl TypeMarker for SingleBufferSettings
impl TypeMarker for SingleBufferSettings
§type Owned = SingleBufferSettings
type Owned = SingleBufferSettings
The owned Rust type which this FIDL type decodes into.
source§fn inline_align(_context: Context) -> usize
fn inline_align(_context: Context) -> usize
Returns the minimum required alignment of the inline portion of the
encoded object. It must be a (nonzero) power of two.
source§fn inline_size(_context: Context) -> usize
fn inline_size(_context: Context) -> usize
Returns the size of the inline portion of the encoded object, including
padding for alignment. Must be a multiple of
inline_align
.§fn encode_is_copy() -> bool
fn encode_is_copy() -> bool
Returns true if the memory layout of
Self::Owned
matches the FIDL wire
format and encoding requires no validation. When true, we can optimize
encoding arrays and vectors of Self::Owned
to a single memcpy. Read more§fn decode_is_copy() -> bool
fn decode_is_copy() -> bool
Returns true if the memory layout of
Self::Owned
matches the FIDL wire
format and decoding requires no validation. When true, we can optimize
decoding arrays and vectors of Self::Owned
to a single memcpy.source§impl ValueTypeMarker for SingleBufferSettings
impl ValueTypeMarker for SingleBufferSettings
§type Borrowed<'a> = &'a SingleBufferSettings
type Borrowed<'a> = &'a SingleBufferSettings
The Rust type to use for encoding. This is a particular
Encode<Self>
type cheaply obtainable from &Self::Owned
. There are three cases: Read moreimpl Copy for SingleBufferSettings
impl Eq for SingleBufferSettings
impl Persistable for SingleBufferSettings
impl StructuralPartialEq for SingleBufferSettings
Auto Trait Implementations§
impl Freeze for SingleBufferSettings
impl RefUnwindSafe for SingleBufferSettings
impl Send for SingleBufferSettings
impl Sync for SingleBufferSettings
impl Unpin for SingleBufferSettings
impl UnwindSafe for SingleBufferSettings
Blanket Implementations§
§impl<T> Body for Twhere
T: Persistable,
impl<T> Body for Twhere
T: Persistable,
§type MarkerAtTopLevel = T
type MarkerAtTopLevel = T
The marker type to use when the body is at the top-level.
§type MarkerInResultUnion = T
type MarkerInResultUnion = T
The marker type to use when the body is nested in a result union.
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more