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Fix race condition when growing an image::Atlas

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Héctor Ramón Jiménez 2023-05-11 20:18:36 +02:00
parent cf434236e7
commit f02f0c01ea
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GPG key ID: 140CC052C94F138E
4 changed files with 30 additions and 19 deletions
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38
wgpu/src/image/atlas.rs
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@ -65,7 +65,6 @@ impl Atlas {
pub fn upload(
&mut self,
device: &wgpu::Device,
queue: &wgpu::Queue,
encoder: &mut wgpu::CommandEncoder,
width: u32,
height: u32,
@ -75,6 +74,9 @@ impl Atlas {
let current_size = self.layers.len();
let entry = self.allocate(width, height)?;
dbg!(&entry);
dbg!(&self.layers);
// We grow the internal texture after allocating if necessary
let new_layers = self.layers.len() - current_size;
self.grow(new_layers, device, encoder);
@ -112,7 +114,8 @@ impl Atlas {
padding,
0,
allocation,
queue,
device,
encoder,
);
}
Entry::Fragmented { fragments, .. } => {
@ -127,7 +130,8 @@ impl Atlas {
padding,
offset,
&fragment.allocation,
queue,
device,
encoder,
);
}
}
@ -280,8 +284,11 @@ impl Atlas {
padding: u32,
offset: usize,
allocation: &Allocation,
queue: &wgpu::Queue,
device: &wgpu::Device,
encoder: &mut wgpu::CommandEncoder,
) {
use wgpu::util::DeviceExt;
let (x, y) = allocation.position();
let Size { width, height } = allocation.size();
let layer = allocation.layer();
@ -292,7 +299,22 @@ impl Atlas {
depth_or_array_layers: 1,
};
queue.write_texture(
let buffer =
device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
label: Some("image upload buffer"),
contents: data,
usage: wgpu::BufferUsages::COPY_SRC,
});
encoder.copy_buffer_to_texture(
wgpu::ImageCopyBuffer {
buffer: &buffer,
layout: wgpu::ImageDataLayout {
offset: offset as u64,
bytes_per_row: Some(4 * image_width + padding),
rows_per_image: Some(image_height),
},
},
wgpu::ImageCopyTexture {
texture: &self.texture,
mip_level: 0,
@ -303,12 +325,6 @@ impl Atlas {
},
aspect: wgpu::TextureAspect::default(),
},
data,
wgpu::ImageDataLayout {
offset: offset as u64,
bytes_per_row: Some(4 * image_width + padding),
rows_per_image: Some(image_height),
},
extent,
);
}