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Draft multi-threaded image rendering in iced_wgpu

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Héctor Ramón Jiménez 2025-10-24 17:23:40 +02:00
parent 92888a3639
commit cb8d2710da
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GPG key ID: 7CC46565708259A7
22 changed files with 886 additions and 305 deletions
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10
wgpu/src/lib.rs
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@ -65,8 +65,8 @@ use crate::core::renderer;
use crate::core::{
Background, Color, Font, Pixels, Point, Rectangle, Size, Transformation,
};
use crate::graphics::Viewport;
use crate::graphics::text::{Editor, Paragraph};
use crate::graphics::{Shell, Viewport};
/// A [`wgpu`] graphics renderer for [`iced`].
///
@ -117,9 +117,7 @@ impl Renderer {
image: image::State::new(),
#[cfg(any(feature = "svg", feature = "image"))]
image_cache: std::cell::RefCell::new(
engine.create_image_cache(&engine.device),
),
image_cache: std::cell::RefCell::new(engine.create_image_cache()),
// TODO: Resize belt smartly (?)
// It would be great if the `StagingBelt` API exposed methods
@ -460,8 +458,6 @@ impl Renderer {
#[cfg(any(feature = "svg", feature = "image"))]
let mut image_layer = 0;
#[cfg(any(feature = "svg", feature = "image"))]
let image_cache = self.image_cache.borrow();
let scale_factor = viewport.scale_factor();
let physical_bounds = Rectangle::<f32>::from(Rectangle::with_size(
@ -632,7 +628,6 @@ impl Renderer {
let render_span = debug::render(debug::Primitive::Image);
self.image.render(
&self.engine.image_pipeline,
&image_cache,
image_layer,
scissor_rect,
&mut render_pass,
@ -910,6 +905,7 @@ impl renderer::Headless for Renderer {
wgpu::TextureFormat::Rgba8Unorm
},
Some(graphics::Antialiasing::MSAAx4),
Shell::headless(),
);
Some(Self::new(engine, default_font, default_text_size))