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canvas: Use snapshot in canvas backends (#37863)

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This removes assumption about pixel format from backend abstraction to
actual backend implementation. This is important for vello.

Testing: WPT tests

---------

Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>
This commit is contained in:
sagudev 2025-07-04 22:22:20 +02:00 • committed by GitHub
parent 8df5e1e74d
commit e1a891ea96
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10 changed files with 174 additions and 292 deletions
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11
components/shared/canvas/canvas.rs
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@ -6,11 +6,10 @@ use std::default::Default;
use std::str::FromStr;
use euclid::default::{Point2D, Rect, Size2D, Transform2D};
use ipc_channel::ipc::{IpcBytesReceiver, IpcSender};
use ipc_channel::ipc::IpcSender;
use malloc_size_of_derive::MallocSizeOf;
use pixels::IpcSnapshot;
use serde::{Deserialize, Serialize};
use serde_bytes::ByteBuf;
use strum::{Display, EnumString};
use style::color::AbsoluteColor;
use style::properties::style_structs::Font as FontStyleStruct;
@ -110,7 +109,7 @@ pub enum Canvas2dMsg {
LineTo(Point2D<f32>),
MoveTo(Point2D<f32>),
MeasureText(String, IpcSender<TextMetrics>),
PutImageData(Rect<u32>, IpcBytesReceiver),
PutImageData(Rect<u32>, IpcSnapshot),
QuadraticCurveTo(Point2D<f32>, Point2D<f32>),
Rect(Rect<f32>),
RestoreContext,
@ -210,7 +209,7 @@ impl RadialGradientStyle {
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct SurfaceStyle {
pub surface_data: ByteBuf,
pub surface_data: IpcSnapshot,
pub surface_size: Size2D<u32>,
pub repeat_x: bool,
pub repeat_y: bool,
@ -219,14 +218,14 @@ pub struct SurfaceStyle {
impl SurfaceStyle {
pub fn new(
surface_data: Vec<u8>,
surface_data: IpcSnapshot,
surface_size: Size2D<u32>,
repeat_x: bool,
repeat_y: bool,
transform: Transform2D<f32>,
) -> Self {
Self {
surface_data: ByteBuf::from(surface_data),
surface_data,
surface_size,
repeat_x,
repeat_y,