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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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28
wgpu/src/quad.rs
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@ -57,7 +57,8 @@ impl Pipeline {
pub fn prepare(
&mut self,
device: &wgpu::Device,
queue: &wgpu::Queue,
encoder: &mut wgpu::CommandEncoder,
belt: &mut wgpu::util::StagingBelt,
quads: &Batch,
transformation: Transformation,
scale: f32,
@ -67,7 +68,7 @@ impl Pipeline {
}
let layer = &mut self.layers[self.prepare_layer];
layer.prepare(device, queue, quads, transformation, scale);
layer.prepare(device, encoder, belt, quads, transformation, scale);
self.prepare_layer += 1;
}
@ -162,7 +163,8 @@ impl Layer {
pub fn prepare(
&mut self,
device: &wgpu::Device,
queue: &wgpu::Queue,
encoder: &mut wgpu::CommandEncoder,
belt: &mut wgpu::util::StagingBelt,
quads: &Batch,
transformation: Transformation,
scale: f32,
@ -171,15 +173,25 @@ impl Layer {
let _ = info_span!("Wgpu::Quad", "PREPARE").entered();
let uniforms = Uniforms::new(transformation, scale);
let bytes = bytemuck::bytes_of(&uniforms);
queue.write_buffer(
belt.write_buffer(
encoder,
&self.constants_buffer,
0,
bytemuck::bytes_of(&uniforms),
);
(bytes.len() as u64).try_into().expect("Sized uniforms"),
device,
)
.copy_from_slice(bytes);
self.solid.prepare(device, queue, &quads.solids);
self.gradient.prepare(device, queue, &quads.gradients);
if !quads.solids.is_empty() {
self.solid.prepare(device, encoder, belt, &quads.solids);
}
if !quads.gradients.is_empty() {
self.gradient
.prepare(device, encoder, belt, &quads.gradients);
}
}
}