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Use a StagingBelt in iced_wgpu for regular buffer uploads

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Héctor Ramón Jiménez 2024-03-29 04:02:24 +01:00
parent 1df1cf82f4
commit 2bb53ad6e7
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GPG key ID: 4C07CEC81AFA161F
10 changed files with 113 additions and 41 deletions
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26
wgpu/src/backend.rs
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@ -30,6 +30,7 @@ pub struct Backend {
pipeline_storage: pipeline::Storage,
#[cfg(any(feature = "image", feature = "svg"))]
image_pipeline: image::Pipeline,
staging_belt: wgpu::util::StagingBelt,
}
impl Backend {
@ -61,6 +62,11 @@ impl Backend {
#[cfg(any(feature = "image", feature = "svg"))]
image_pipeline,
// TODO: Resize belt smartly (?)
// It would be great if the `StagingBelt` API exposed methods
// for introspection to detect when a resize may be worth it.
staging_belt: wgpu::util::StagingBelt::new(1024 * 100),
}
}
@ -105,6 +111,8 @@ impl Backend {
&layers,
);
self.staging_belt.finish();
self.render(
device,
encoder,
@ -123,12 +131,17 @@ impl Backend {
self.image_pipeline.end_frame();
}
///
pub fn recall(&mut self) {
self.staging_belt.recall();
}
fn prepare(
&mut self,
device: &wgpu::Device,
queue: &wgpu::Queue,
format: wgpu::TextureFormat,
_encoder: &mut wgpu::CommandEncoder,
encoder: &mut wgpu::CommandEncoder,
scale_factor: f32,
target_size: Size<u32>,
transformation: Transformation,
@ -144,7 +157,8 @@ impl Backend {
if !layer.quads.is_empty() {
self.quad_pipeline.prepare(
device,
queue,
encoder,
&mut self.staging_belt,
&layer.quads,
transformation,
scale_factor,
@ -157,7 +171,8 @@ impl Backend {
self.triangle_pipeline.prepare(
device,
queue,
encoder,
&mut self.staging_belt,
&layer.meshes,
scaled,
);
@ -171,8 +186,8 @@ impl Backend {
self.image_pipeline.prepare(
device,
queue,
_encoder,
encoder,
&mut self.staging_belt,
&layer.images,
scaled,
scale_factor,
@ -184,6 +199,7 @@ impl Backend {
self.text_pipeline.prepare(
device,
queue,
encoder,
&layer.text,
layer.bounds,
scale_factor,