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|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*! This is a player for WebGPU traces.
!*/
use player::{GlobalPlay as _, IdentityPassThroughFactory};
use wgc::{device::trace, gfx_select};
use std::{
fs,
path::{Path, PathBuf},
};
fn main() {
#[cfg(feature = "winit")]
use winit::{event_loop::EventLoop, window::WindowBuilder};
wgpu_subscriber::initialize_default_subscriber(
std::env::var("WGPU_CHROME_TRACE")
.as_ref()
.map(Path::new)
.ok(),
);
#[cfg(feature = "renderdoc")]
#[cfg_attr(feature = "winit", allow(unused))]
let mut rd = renderdoc::RenderDoc::<renderdoc::V110>::new()
.expect("Failed to connect to RenderDoc: are you running without it?");
//TODO: setting for the backend bits
//TODO: setting for the target frame, or controls
let dir = match std::env::args().nth(1) {
Some(arg) if Path::new(&arg).is_dir() => PathBuf::from(arg),
_ => panic!("Provide the dir path as the parameter"),
};
log::info!("Loading trace '{:?}'", dir);
let file = fs::File::open(dir.join(trace::FILE_NAME)).unwrap();
let mut actions: Vec<trace::Action> = ron::de::from_reader(file).unwrap();
actions.reverse(); // allows us to pop from the top
log::info!("Found {} actions", actions.len());
#[cfg(feature = "winit")]
let event_loop = {
log::info!("Creating a window");
EventLoop::new()
};
#[cfg(feature = "winit")]
let window = WindowBuilder::new()
.with_title("wgpu player")
.with_resizable(false)
.build(&event_loop)
.unwrap();
let global = wgc::hub::Global::new(
"player",
IdentityPassThroughFactory,
wgt::BackendBit::PRIMARY,
);
let mut command_buffer_id_manager = wgc::hub::IdentityManager::default();
#[cfg(feature = "winit")]
let surface =
global.instance_create_surface(&window, wgc::id::TypedId::zip(0, 1, wgt::Backend::Empty));
let device = match actions.pop() {
Some(trace::Action::Init { desc, backend }) => {
log::info!("Initializing the device for backend: {:?}", backend);
let adapter = global
.request_adapter(
&wgc::instance::RequestAdapterOptions {
power_preference: wgt::PowerPreference::LowPower,
#[cfg(feature = "winit")]
compatible_surface: Some(surface),
#[cfg(not(feature = "winit"))]
compatible_surface: None,
},
wgc::instance::AdapterInputs::IdSet(
&[wgc::id::TypedId::zip(0, 0, backend)],
|id| id.backend(),
),
)
.expect("Unable to find an adapter for selected backend");
let info = gfx_select!(adapter => global.adapter_get_info(adapter)).unwrap();
log::info!("Picked '{}'", info.name);
let id = wgc::id::TypedId::zip(1, 0, backend);
let (_, error) = gfx_select!(adapter => global.adapter_request_device(
adapter,
&desc,
None,
id
));
if let Some(e) = error {
panic!("{:?}", e);
}
id
}
_ => panic!("Expected Action::Init"),
};
log::info!("Executing actions");
#[cfg(not(feature = "winit"))]
{
#[cfg(feature = "renderdoc")]
rd.start_frame_capture(std::ptr::null(), std::ptr::null());
while let Some(action) = actions.pop() {
gfx_select!(device => global.process(device, action, &dir, &mut command_buffer_id_manager));
}
#[cfg(feature = "renderdoc")]
rd.end_frame_capture(std::ptr::null(), std::ptr::null());
gfx_select!(device => global.device_poll(device, true)).unwrap();
}
#[cfg(feature = "winit")]
{
use winit::{
event::{ElementState, Event, KeyboardInput, VirtualKeyCode, WindowEvent},
event_loop::ControlFlow,
};
let mut frame_count = 0;
event_loop.run(move |event, _, control_flow| {
*control_flow = ControlFlow::Poll;
match event {
Event::MainEventsCleared => {
window.request_redraw();
}
Event::RedrawRequested(_) => loop {
match actions.pop() {
Some(trace::Action::CreateSwapChain(id, desc)) => {
log::info!("Initializing the swapchain");
assert_eq!(id.to_surface_id(), surface);
window.set_inner_size(winit::dpi::PhysicalSize::new(
desc.width,
desc.height,
));
gfx_select!(device => global.device_create_swap_chain(device, surface, &desc));
}
Some(trace::Action::PresentSwapChain(id)) => {
frame_count += 1;
log::debug!("Presenting frame {}", frame_count);
gfx_select!(device => global.swap_chain_present(id));
break;
}
Some(action) => {
gfx_select!(device => global.process(device, action, &dir, &mut command_buffer_id_manager));
}
None => break,
}
},
Event::WindowEvent { event, .. } => match event {
WindowEvent::KeyboardInput {
input:
KeyboardInput {
virtual_keycode: Some(VirtualKeyCode::Escape),
state: ElementState::Pressed,
..
},
..
}
| WindowEvent::CloseRequested => {
*control_flow = ControlFlow::Exit;
}
_ => {}
},
Event::LoopDestroyed => {
log::info!("Closing");
gfx_select!(device => global.device_poll(device, true));
}
_ => {}
}
});
}
}
|
