leyoda/iced-yoda
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 1

Introduce lightweight draw for wgpu::Primitive

Browse source
This commit is contained in:
Héctor Ramón Jiménez 2025-09-06 21:17:38 +02:00
parent 53a98bf7de
commit 0d05ea56d3
No known key found for this signature in database
GPG key ID: 7CC46565708259A7
2 changed files with 95 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

60
wgpu/src/lib.rs
View file

@ -534,7 +534,6 @@ impl Renderer {
if !layer.primitives.is_empty() {
let render_span = debug::render(debug::Primitive::Shader);
let _ = ManuallyDrop::into_inner(render_pass);
let primitive_storage = self
.engine
@ -542,11 +541,30 @@ impl Renderer {
.read()
.expect("Read primitive storage");
let mut need_render = Vec::new();
for instance in &layer.primitives {
if let Some(clip_bounds) = (instance.bounds * scale)
.intersection(&physical_bounds)
.and_then(Rectangle::snap)
{
let drawn = instance.primitive.draw(
&primitive_storage,
&mut render_pass,
frame,
&clip_bounds,
);
if !drawn {
need_render.push((instance, clip_bounds));
}
}
}
if !need_render.is_empty() {
let _ = ManuallyDrop::into_inner(render_pass);
for (instance, clip_bounds) in need_render {
instance.primitive.render(
&primitive_storage,
encoder,
@ -554,29 +572,29 @@ impl Renderer {
&clip_bounds,
);
}
render_pass = ManuallyDrop::new(encoder.begin_render_pass(
&wgpu::RenderPassDescriptor {
label: Some("iced_wgpu render pass"),
color_attachments: &[Some(
wgpu::RenderPassColorAttachment {
view: frame,
depth_slice: None,
resolve_target: None,
ops: wgpu::Operations {
load: wgpu::LoadOp::Load,
store: wgpu::StoreOp::Store,
},
},
)],
depth_stencil_attachment: None,
timestamp_writes: None,
occlusion_query_set: None,
},
));
}
render_span.finish();
render_pass = ManuallyDrop::new(encoder.begin_render_pass(
&wgpu::RenderPassDescriptor {
label: Some("iced_wgpu render pass"),
color_attachments: &[Some(
wgpu::RenderPassColorAttachment {
view: frame,
depth_slice: None,
resolve_target: None,
ops: wgpu::Operations {
load: wgpu::LoadOp::Load,
store: wgpu::StoreOp::Store,
},
},
)],
depth_stencil_attachment: None,
timestamp_writes: None,
occlusion_query_set: None,
},
));
}
#[cfg(any(feature = "svg", feature = "image"))]