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hal: make example to destroy temporary views

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Dzmitry Malyshau
2021-06-10 16:55:17 -04:00
parent faf8f7e890
commit e345ad1c64
2 changed files with 21 additions and 5 deletions
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2
Cargo.toml
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@@ -7,7 +7,7 @@ members = [
"wgpu-hal",
"wgpu-types",
]
default-members = ["wgpu", "player"]
default-members = ["wgpu", "player", "wgpu-hal"]
[patch."https://github.com/gfx-rs/naga"]
#naga = { path = "../naga" }

24
wgpu-hal/examples/halmark/main.rs
View File

@@ -43,6 +43,9 @@ struct Example<A: hal::Api> {
sampler: A::Sampler,
texture: A::Texture,
view: A::TextureView,
fence: A::Fence,
fence_value: hal::FenceValue,
old_views: Vec<(hal::FenceValue, A::TextureView)>,
extent: [u32; 2],
start: Instant,
}
@@ -385,16 +388,16 @@ impl<A: hal::Api> Example<A> {
unsafe { device.create_bind_group(&local_group_desc).unwrap() }
};
unsafe {
let fence = unsafe {
let mut fence = device.create_fence().unwrap();
init_cmd.finish();
queue
.submit(iter::once(init_cmd), Some((&mut fence, 1)))
.unwrap();
device.wait(&fence, 1, !0).unwrap();
device.destroy_fence(fence);
device.destroy_buffer(staging_buffer);
}
fence
};
Ok(Example {
instance,
@@ -412,6 +415,9 @@ impl<A: hal::Api> Example<A> {
sampler,
texture,
view,
old_views: Vec::new(),
fence,
fence_value: 1,
extent: [window_size.0, window_size.1],
start: Instant::now(),
})
@@ -535,10 +541,20 @@ impl<A: hal::Api> Example<A> {
}
}
self.fence_value += 1;
let last_done = unsafe { self.device.get_fence_value(&self.fence).unwrap() };
self.old_views.retain(|&(value, _)| value <= last_done);
self.old_views.push((self.fence_value, surface_tex_view));
unsafe {
cmd_buf.end_render_pass();
cmd_buf.finish();
self.queue.submit(iter::once(cmd_buf), None).unwrap();
self.queue
.submit(
iter::once(cmd_buf),
Some((&mut self.fence, self.fence_value)),
)
.unwrap();
self.queue.present(&mut self.surface, surface_tex).unwrap();
}
}