diff options
Diffstat (limited to 'examples/integration/src/main.rs')
| -rw-r--r-- | examples/integration/src/main.rs | 145 |
1 files changed, 80 insertions, 65 deletions
diff --git a/examples/integration/src/main.rs b/examples/integration/src/main.rs index 9b52f3a5..6f319466 100644 --- a/examples/integration/src/main.rs +++ b/examples/integration/src/main.rs @@ -5,7 +5,7 @@ use controls::Controls; use scene::Scene; use iced_wgpu::{wgpu, Backend, Renderer, Settings, Viewport}; -use iced_winit::{conversion, futures, program, winit, Debug, Size}; +use iced_winit::{conversion, futures, program, winit, Clipboard, Debug, Size}; use futures::task::SpawnExt; use winit::{ @@ -28,43 +28,47 @@ pub fn main() { ); let mut cursor_position = PhysicalPosition::new(-1.0, -1.0); let mut modifiers = ModifiersState::default(); + let mut clipboard = Clipboard::connect(&window); // Initialize wgpu 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 (format, (mut device, queue)) = futures::executor::block_on(async { let adapter = instance .request_adapter(&wgpu::RequestAdapterOptions { - power_preference: wgpu::PowerPreference::Default, + power_preference: wgpu::PowerPreference::HighPerformance, compatible_surface: Some(&surface), }) .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") + ( + adapter + .get_swap_chain_preferred_format(&surface) + .expect("Get preferred format"), + adapter + .request_device( + &wgpu::DeviceDescriptor { + label: None, + features: wgpu::Features::empty(), + limits: wgpu::Limits::default(), + }, + None, + ) + .await + .expect("Request device"), + ) }); - let format = wgpu::TextureFormat::Bgra8UnormSrgb; - let mut swap_chain = { let size = window.inner_size(); device.create_swap_chain( &surface, &wgpu::SwapChainDescriptor { - usage: wgpu::TextureUsage::OUTPUT_ATTACHMENT, - format: format, + usage: wgpu::TextureUsage::RENDER_ATTACHMENT, + format, width: size.width, height: size.height, present_mode: wgpu::PresentMode::Mailbox, @@ -84,7 +88,7 @@ pub fn main() { // Initialize iced let mut debug = Debug::new(); let mut renderer = - Renderer::new(Backend::new(&mut device, Settings::default())); + Renderer::new(Backend::new(&mut device, Settings::default(), format)); let mut state = program::State::new( controls, @@ -141,8 +145,8 @@ pub fn main() { cursor_position, viewport.scale_factor(), ), - None, &mut renderer, + &mut clipboard, &mut debug, ); @@ -157,7 +161,7 @@ pub fn main() { swap_chain = device.create_swap_chain( &surface, &wgpu::SwapChainDescriptor { - usage: wgpu::TextureUsage::OUTPUT_ATTACHMENT, + usage: wgpu::TextureUsage::RENDER_ATTACHMENT, format: format, width: size.width, height: size.height, @@ -168,55 +172,66 @@ pub fn main() { resized = false; } - let frame = swap_chain.get_current_frame().expect("Next frame"); + match swap_chain.get_current_frame() { + Ok(frame) => { + let mut encoder = device.create_command_encoder( + &wgpu::CommandEncoderDescriptor { label: None }, + ); + + let program = state.program(); + + { + // We clear the frame + let mut render_pass = scene.clear( + &frame.output.view, + &mut encoder, + program.background_color(), + ); + + // Draw the scene + scene.draw(&mut render_pass); + } + + // And then iced on top + let mouse_interaction = renderer.backend_mut().draw( + &mut device, + &mut staging_belt, + &mut encoder, + &frame.output.view, + &viewport, + state.primitive(), + &debug.overlay(), + ); - let mut encoder = device.create_command_encoder( - &wgpu::CommandEncoderDescriptor { label: None }, - ); + // Then we submit the work + staging_belt.finish(); + queue.submit(Some(encoder.finish())); - let program = state.program(); + // Update the mouse cursor + window.set_cursor_icon( + iced_winit::conversion::mouse_interaction( + mouse_interaction, + ), + ); - { - // We clear the frame - let mut render_pass = scene.clear( - &frame.output.view, - &mut encoder, - program.background_color(), - ); + // And recall staging buffers + local_pool + .spawner() + .spawn(staging_belt.recall()) + .expect("Recall staging buffers"); - // Draw the scene - scene.draw(&mut render_pass); + local_pool.run_until_stalled(); + } + Err(error) => match error { + wgpu::SwapChainError::OutOfMemory => { + panic!("Swapchain error: {}. Rendering cannot continue.", error) + } + _ => { + // Try rendering again next frame. + window.request_redraw(); + } + }, } - - // And then iced on top - let mouse_interaction = renderer.backend_mut().draw( - &mut device, - &mut staging_belt, - &mut encoder, - &frame.output.view, - &viewport, - state.primitive(), - &debug.overlay(), - ); - - // Then we submit the work - staging_belt.finish(); - queue.submit(Some(encoder.finish())); - - // 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(); } _ => {} } |