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Update wgpu in integration example

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This commit is contained in:
Héctor Ramón Jiménez 2020-08-27 14:55:41 +02:00
parent bb5f034e08
commit bae0a3e46e
2 changed files with 58 additions and 40 deletions
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58
examples/integration/src/main.rs
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@ -7,6 +7,7 @@ use scene::Scene;
use iced_wgpu::{wgpu, Backend, Renderer, Settings, Viewport};
use iced_winit::{conversion, futures, program, winit, Debug, Size};
use futures::task::SpawnExt;
use winit::{
dpi::PhysicalPosition,
event::{Event, ModifiersState, WindowEvent},
@ -29,26 +30,29 @@ pub fn main() {
let mut modifiers = ModifiersState::default();
// Initialize wgpu
let surface = wgpu::Surface::create(&window);
let instance = wgpu::Instance::new(wgpu::BackendBit::PRIMARY);
let surface = unsafe { instance.create_surface(&window) };
let (mut device, queue) = futures::executor::block_on(async {
let adapter = wgpu::Adapter::request(
&wgpu::RequestAdapterOptions {
let adapter = instance
.request_adapter(&wgpu::RequestAdapterOptions {
power_preference: wgpu::PowerPreference::Default,
compatible_surface: Some(&surface),
},
wgpu::BackendBit::PRIMARY,
)
.await
.expect("Request adapter");
adapter
.request_device(&wgpu::DeviceDescriptor {
extensions: wgpu::Extensions {
anisotropic_filtering: false,
},
limits: wgpu::Limits::default(),
})
.await
.expect("Request adapter");
adapter
.request_device(
&wgpu::DeviceDescriptor {
features: wgpu::Features::empty(),
limits: wgpu::Limits::default(),
shader_validation: false,
},
None,
)
.await
.expect("Request device")
});
let format = wgpu::TextureFormat::Bgra8UnormSrgb;
@ -69,6 +73,10 @@ pub fn main() {
};
let mut resized = false;
// Initialize staging belt and local pool
let mut staging_belt = wgpu::util::StagingBelt::new(5 * 1024);
let mut local_pool = futures::executor::LocalPool::new();
// Initialize scene and GUI controls
let scene = Scene::new(&mut device);
let controls = Controls::new();
@ -160,7 +168,7 @@ pub fn main() {
resized = false;
}
let frame = swap_chain.get_next_texture().expect("Next frame");
let frame = swap_chain.get_current_frame().expect("Next frame");
let mut encoder = device.create_command_encoder(
&wgpu::CommandEncoderDescriptor { label: None },
@ -171,7 +179,7 @@ pub fn main() {
{
// We clear the frame
let mut render_pass = scene.clear(
&frame.view,
&frame.output.view,
&mut encoder,
program.background_color(),
);
@ -183,22 +191,32 @@ pub fn main() {
// And then iced on top
let mouse_interaction = renderer.backend_mut().draw(
&mut device,
&mut staging_belt,
&mut encoder,
&frame.view,
&frame.output.view,
&viewport,
state.primitive(),
&debug.overlay(),
);
// Then we submit the work
queue.submit(&[encoder.finish()]);
staging_belt.finish();
queue.submit(Some(encoder.finish()));
// And update the mouse cursor
// Update the mouse cursor
window.set_cursor_icon(
iced_winit::conversion::mouse_interaction(
mouse_interaction,
),
);
// And recall staging buffers
local_pool
.spawner()
.spawn(staging_belt.recall())
.expect("Recall staging buffers");
local_pool.run_until_stalled();
}
_ => {}
}