Enum Step

#[repr(i32)]
pub enum Step {
    Unspecified = 0,
    SendInputEventUi = 3,
    HandleInputEventImpl = 5,
    DidHandleInputAndOverscroll = 8,
    HandleInputEventMain = 4,
    MainThreadScrollUpdate = 2,
    HandleInputEventMainCommit = 1,
    HandledInputEventMainOrImpl = 9,
    HandledInputEventImpl = 10,
    SwapBuffers = 6,
    DrawAndSwap = 7,
    FinishedSwapBuffers = 11,
}

NEXT ID: 12 All step are optional but the enum is ordered (not by number) below in the order we expect them to appear if they are emitted in trace in a blocking fashion.

Variants

Unspecified = 0

SendInputEventUi = 3

Emitted on the browser main thread.

HandleInputEventImpl = 5

Happens on the renderer’s compositor.

DidHandleInputAndOverscroll = 8

HandleInputEventMain = 4

Occurs on the Renderer’s main thread.

MainThreadScrollUpdate = 2

HandleInputEventMainCommit = 1

HandledInputEventMainOrImpl = 9

Could be emitted on both the renderer’s main OR compositor.

HandledInputEventImpl = 10

Optionally sometimes HANDLED_INPUT_EVENT_MAIN_OR_IMPL will proxy to the renderer’s compositor and this will be emitted.

SwapBuffers = 6

Renderer’s compositor.

DrawAndSwap = 7

Happens on the VizCompositor in the GPU process.

FinishedSwapBuffers = 11

Happens on the GPU main thread after the swap has completed.

See above for NEXT ID, enum steps are not ordered by tag number.

Implementations

impl Step

pub fn is_valid(value: i32) -> bool

Returns true if value is a variant of Step.

pub fn from_i32(value: i32) -> Option<Step>

Converts an i32 to a Step, or None if value is not a valid variant.

impl Step

pub fn as_str_name(&self) -> &'static str

String value of the enum field names used in the ProtoBuf definition.

The values are not transformed in any way and thus are considered stable (if the ProtoBuf definition does not change) and safe for programmatic use.

Trait Implementations

impl Clone for Step

fn clone(&self) -> Step

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Step

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

Formats the value using the given formatter.

impl Default for Step

fn default() -> Step

Returns the “default value” for a type.

impl From<Step> for i32

fn from(value: Step) -> i32

Converts to this type from the input type.

impl Hash for Step

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, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for Step

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

This method returns an Ordering between self and other.

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

where Self: Sized,

Compares and returns the maximum of two values.

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

where Self: Sized,

Compares and returns the minimum of two values.

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

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for Step

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for Step

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

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

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

Tests less than (for self and other) and is used by the < operator.

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

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

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

Tests greater than (for self and other) and is used by the > operator.

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

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

impl Copy for Step

impl Eq for Step

impl StructuralPartialEq for Step