From 77af5453f0dd0836392c511376ad7013eeb06cba Mon Sep 17 00:00:00 2001 From: Rekai Musuka Date: Mon, 12 Sep 2022 06:59:17 -0300 Subject: [PATCH] chore: refactor gui code --- src/gui.rs | 457 ++++++++++++++++++++++++++++++++-------------------- src/main.rs | 102 ++---------- 2 files changed, 291 insertions(+), 268 deletions(-) diff --git a/src/gui.rs b/src/gui.rs index 914a053..c3825ec 100644 --- a/src/gui.rs +++ b/src/gui.rs @@ -1,18 +1,19 @@ -use egui::{ClippedPrimitive, Context, TextureId}; -use egui_wgpu_backend::{BackendError, RenderPass, ScreenDescriptor}; +use egui::{Context, TextureId}; +use egui_wgpu_backend::{RenderPass, ScreenDescriptor}; use egui_winit_platform::Platform; use wgpu::{ - Adapter, CommandEncoder, Device, Extent3d, FilterMode, Instance, Queue, RequestDeviceError, - Surface, SurfaceConfiguration, SurfaceTexture, Texture, TextureFormat, TextureUsages, - TextureView, + Adapter, Backends, Color, CommandEncoder, Device, Extent3d, FilterMode, Instance, Queue, + RequestDeviceError, Surface, SurfaceConfiguration, Texture, TextureFormat, TextureUsages, + TextureView, TextureViewDescriptor, }; +use winit::dpi::PhysicalSize; use winit::error::OsError; -use winit::event::{ElementState, KeyboardInput}; -use winit::event_loop::EventLoop; +use winit::event::{ElementState, Event, KeyboardInput}; +use winit::event_loop::{ControlFlow, EventLoop}; use winit::window::Window; use crate::cpu::Cpu; -use crate::{GB_HEIGHT, GB_WIDTH}; +use crate::{emu, GB_HEIGHT, GB_WIDTH}; const EGUI_DIMENSIONS: (usize, usize) = (1280, 720); const FILTER_MODE: FilterMode = FilterMode::Nearest; @@ -20,23 +21,272 @@ const WINDOW_TITLE: &str = "DMG-01 Emulator"; const SCALE: f32 = 3.0; -/// Holds GUI State -#[derive(Debug, Clone)] -pub struct GuiState { - /// When true, egui winit should exit the application - pub quit: bool, +pub struct Gui { + pub should_quit: bool, pub title: String, pub mode: EmuMode, + + window: Window, + platform: Platform, + + surface: Surface, + device: Device, + queue: Queue, + surface_config: SurfaceConfiguration, + render_pass: RenderPass, + + texture: Texture, + texture_size: Extent3d, + texture_id: TextureId, } -impl GuiState { - pub fn new(title: String) -> Self { +impl Gui { + pub fn new(title: String, event_loop: &EventLoop, cpu: &Cpu) -> Self { + let window = build_window(event_loop).expect("build window"); + + let instance = Instance::new(Backends::PRIMARY); + let surface = unsafe { instance.create_surface(&window) }; + + let adapter = request_adapter(&instance, &surface).expect("request adaptor"); + let (device, queue) = request_device(&adapter).expect("request device"); + let texture_format = surface.get_supported_formats(&adapter)[0]; // First is preferred + + let surface_config = surface_config(&window, texture_format); + surface.configure(&device, &surface_config); + let platform = platform(&window); + let mut render_pass = RenderPass::new(&device, texture_format, 1); + + let texture_size = texture_size(); + let texture = create_texture(&device, texture_size); + write_to_texture(&queue, &texture, emu::pixel_buf(&cpu), texture_size); + + let view = texture.create_view(&TextureViewDescriptor::default()); + let texture_id = expose_texture_to_egui(&mut render_pass, &device, &view); + Self { + should_quit: Default::default(), title, - quit: Default::default(), mode: EmuMode::Running, + + window, + platform, + + surface, + device, + queue, + surface_config, + render_pass, + + texture, + texture_size, + texture_id, } } + + pub fn maybe_quit(self: &Self, cpu: &Cpu, control_flow: &mut ControlFlow) { + if self.should_quit { + emu::save_and_exit(cpu, control_flow); + } + } + + pub fn request_redraw(self: &Self) { + self.window.request_redraw(); + } + + pub fn handle_event(self: &mut Self, event: &Event) { + self.platform.handle_event(event); + } + + pub fn update_time(self: &mut Self, elapsed_seconds: f64) { + self.platform.update_time(elapsed_seconds); + } + + pub fn resize(self: &mut Self, size: PhysicalSize) { + // See: https://github.com/rust-windowing/winit/issues/208 + if size.width > 0 && size.height > 0 { + self.surface_config.width = size.width; + self.surface_config.height = size.height; + self.surface.configure(&self.device, &self.surface_config); + } + } + + pub fn paint(self: &mut Self, cpu: &Cpu) { + use wgpu::SurfaceError; + + let data = emu::pixel_buf(cpu); + write_to_texture(&self.queue, &self.texture, data, self.texture_size); + + let output_frame = match self.surface.get_current_texture() { + Ok(frame) => frame, + Err(SurfaceError::Outdated) => return, // Occurs on minimization on Windows + Err(e) => { + eprintln!("Dropped frame with error: {}", e); + return; + } + }; + + let output_view = output_frame + .texture + .create_view(&TextureViewDescriptor::default()); + + // Begin to draw Egui components + self.platform.begin_frame(); + self.draw_egui(cpu, &self.platform.context(), self.texture_id); + + // End the UI frame. We could now handle the output and draw the UI with the backend. + let full_output = self.platform.end_frame(Some(&self.window)); + let paint_jobs = self.platform.context().tessellate(full_output.shapes); + + let mut encoder = create_command_encoder(&self.device); + let screen_descriptor = create_screen_descriptor(&self.window, &self.surface_config); + let tdelta = full_output.textures_delta; + // Upload all resources for the GPU. + self.render_pass + .add_textures(&self.device, &self.queue, &tdelta) + .expect("add texture ok"); + self.render_pass + .update_buffers(&self.device, &self.queue, &paint_jobs, &screen_descriptor); + + // Record all render passes. + self.render_pass + .execute( + &mut encoder, + &output_view, + &paint_jobs, + &screen_descriptor, + Some(Color::BLACK), + ) + .expect("execute render pass"); + + // Submit the commands. + self.queue.submit(std::iter::once(encoder.finish())); + + // Redraw egui + output_frame.present(); + + self.render_pass + .remove_textures(tdelta) + .expect("remove texture delta"); + } + + #[inline] + pub fn draw_egui(self: &mut Self, cpu: &Cpu, ctx: &Context, texture_id: TextureId) { + use crate::{cpu, instruction, ppu}; + + fn selectable_text(ui: &mut egui::Ui, mut text: &str) -> egui::Response { + ui.add(egui::TextEdit::multiline(&mut text).code_editor()) + } + + egui::TopBottomPanel::top("top_panel").show(ctx, |ui| { + ui.menu_button("File", |ui| { + if ui.button("Quit").clicked() { + self.should_quit = true; + } + }); + + egui::Window::new(&self.title).show(ctx, |ui| { + ui.image( + texture_id, + [GB_WIDTH as f32 * SCALE, GB_HEIGHT as f32 * SCALE], + ); + }); + + egui::Window::new("Disassembly").show(ctx, |ui| { + selectable_text(ui, &instruction::dbg::tmp_disasm(cpu, 20)); + }); + + egui::Window::new("Settings").show(ctx, |ui| { + egui::ComboBox::from_label("Emulation Mode") + .selected_text(format!("{:?}", self.mode)) + .show_ui(ui, |ui| { + ui.selectable_value(&mut self.mode, EmuMode::Running, "Running"); + ui.selectable_value(&mut self.mode, EmuMode::Stopped, "Stopped"); + ui.selectable_value(&mut self.mode, EmuMode::StepFrame, "Step Frame"); + ui.selectable_value(&mut self.mode, EmuMode::Step, "Step"); + }) + }); + + egui::Window::new("GB Info").show(ctx, |ui| { + ui.horizontal(|ui| { + ui.vertical(|ui| { + ui.heading("CPU"); + + ui.monospace(format!("AF: {:#06X}", cpu::dbg::af(cpu))); + ui.monospace(format!("BC: {:#06X}", cpu::dbg::bc(cpu))); + ui.monospace(format!("DE: {:#06X}", cpu::dbg::de(cpu))); + ui.monospace(format!("HL: {:#06X}", cpu::dbg::hl(cpu))); + ui.add_space(10.0); + ui.monospace(format!("SP: {:#06X}", cpu::dbg::sp(cpu))); + ui.monospace(format!("PC: {:#06X}", cpu::dbg::pc(cpu))); + }); + + ui.vertical(|ui| { + let ppu = &cpu.bus.ppu; + + ui.heading("PPU"); + + ui.monospace(format!("LY: {}", ppu::dbg::ly(ppu))); + ui.horizontal(|ui| { + ui.monospace(format!("SCX: {}", ppu::dbg::scx(ppu))); + ui.monospace(format!("SCY: {}", ppu::dbg::scy(ppu))); + }); + ui.horizontal(|ui| { + ui.monospace(format!("WX: {}", ppu::dbg::wx(ppu))); + ui.monospace(format!("WY: {}", ppu::dbg::wy(ppu))); + }); + + ui.monospace(format!( + "Mode: {:?} {}", + ppu::dbg::mode(ppu), + ppu::dbg::dot(ppu) + )) + }); + }); + + ui.add_space(10.0); + + let _ = ui.selectable_label(cpu::dbg::ime(cpu), "IME"); + ui.horizontal(|ui| { + let irq = cpu.int_request(); + + ui.label("IRQ:"); + let _ = ui.selectable_label(irq & 0b01 == 0x01, "VBlank"); + let _ = ui.selectable_label(irq >> 1 & 0x01 == 0x01, "LCD STAT"); + let _ = ui.selectable_label(irq >> 2 & 0x01 == 0x01, "Timer"); + let _ = ui.selectable_label(irq >> 3 & 0x01 == 0x01, "Serial"); + let _ = ui.selectable_label(irq >> 4 & 0x01 == 0x01, "Joypad"); + }); + + ui.horizontal(|ui| { + let ie = cpu.int_enable(); + + // TODO: Reimplement this + // let r_len = ctx.fonts().glyph_width(egui::TextStyle::Body, 'R'); + // let e_len = ctx.fonts().glyph_width(egui::TextStyle::Body, 'E'); + // let q_len = ctx.fonts().glyph_width(egui::TextStyle::Body, 'Q'); + + ui.label("IE:"); + // ui.add_space(q_len - (e_len - r_len)); + let _ = ui.selectable_label(ie & 0b01 == 0x01, "VBlank"); + let _ = ui.selectable_label(ie >> 1 & 0x01 == 0x01, "LCD STAT"); + let _ = ui.selectable_label(ie >> 2 & 0x01 == 0x01, "Timer"); + let _ = ui.selectable_label(ie >> 3 & 0x01 == 0x01, "Serial"); + let _ = ui.selectable_label(ie >> 4 & 0x01 == 0x01, "Joypad"); + }); + + ui.add_space(10.0); + + ui.horizontal(|ui| { + let flags = cpu::dbg::flags(cpu); + + let _ = ui.selectable_label((flags >> 7 & 0x01) == 0x01, "Zero"); + let _ = ui.selectable_label((flags >> 6 & 0x01) == 0x01, "Negative"); + let _ = ui.selectable_label((flags >> 5 & 0x01) == 0x01, "Half-Carry"); + let _ = ui.selectable_label((flags >> 4 & 0x01) == 0x01, "Carry"); + }) + }) + }); + } } #[derive(Debug, Clone, Copy, PartialEq, Eq)] @@ -61,8 +311,7 @@ pub fn unused_key() -> KeyboardInput { } } -pub fn build_window(event_loop: &EventLoop) -> Result { - use winit::dpi::PhysicalSize; +fn build_window(event_loop: &EventLoop) -> Result { use winit::window::WindowBuilder; WindowBuilder::new() @@ -77,38 +326,30 @@ pub fn build_window(event_loop: &EventLoop) -> Result { .build(event_loop) } -pub fn create_surface(window: &Window) -> (Instance, Surface) { - use wgpu::Backends; - - let instance = Instance::new(Backends::PRIMARY); - let surface = unsafe { instance.create_surface(window) }; - (instance, surface) -} - -pub fn request_adapter(instance: &Instance, surface: &Surface) -> Option { +fn request_adapter(instance: &Instance, surface: &Surface) -> Option { use wgpu::{PowerPreference, RequestAdapterOptions}; pollster::block_on(instance.request_adapter(&RequestAdapterOptions { power_preference: PowerPreference::HighPerformance, - force_fallback_adapter: false, // TODO: What do I want to do with this? compatible_surface: Some(surface), + force_fallback_adapter: false, // TODO: What do I want to do with this? })) } -pub fn request_device(adapter: &Adapter) -> Result<(Device, Queue), RequestDeviceError> { +fn request_device(adapter: &Adapter) -> Result<(Device, Queue), RequestDeviceError> { use wgpu::{DeviceDescriptor, Features, Limits}; pollster::block_on(adapter.request_device( &DeviceDescriptor { - label: None, features: Features::default(), limits: Limits::default(), + label: None, }, None, )) } -pub fn surface_config(window: &Window, format: TextureFormat) -> SurfaceConfiguration { +fn surface_config(window: &Window, format: TextureFormat) -> SurfaceConfiguration { use wgpu::PresentMode; let size = window.inner_size(); @@ -121,7 +362,7 @@ pub fn surface_config(window: &Window, format: TextureFormat) -> SurfaceConfigur } } -pub fn platform_desc(window: &Window) -> Platform { +fn platform(window: &Window) -> Platform { use egui::FontDefinitions; use egui_winit_platform::PlatformDescriptor; @@ -135,7 +376,7 @@ pub fn platform_desc(window: &Window) -> Platform { }) } -pub fn texture_size() -> Extent3d { +fn texture_size() -> Extent3d { Extent3d { width: GB_WIDTH as u32, height: GB_HEIGHT as u32, @@ -143,7 +384,7 @@ pub fn texture_size() -> Extent3d { } } -pub fn create_texture(device: &Device, size: Extent3d) -> Texture { +fn create_texture(device: &Device, size: Extent3d) -> Texture { use wgpu::{TextureDescriptor, TextureDimension}; device.create_texture(&TextureDescriptor { @@ -158,7 +399,7 @@ pub fn create_texture(device: &Device, size: Extent3d) -> Texture { } #[inline] -pub fn write_to_texture( +fn write_to_texture( queue: &Queue, texture: &Texture, data: &[u8; GB_WIDTH * 4 * GB_HEIGHT], @@ -184,7 +425,7 @@ pub fn write_to_texture( ); } -pub fn expose_texture_to_egui( +fn expose_texture_to_egui( render_pass: &mut RenderPass, device: &Device, view: &TextureView, @@ -193,14 +434,7 @@ pub fn expose_texture_to_egui( } #[inline] -pub fn create_view(frame: &SurfaceTexture) -> TextureView { - use wgpu::TextureViewDescriptor; - - frame.texture.create_view(&TextureViewDescriptor::default()) -} - -#[inline] -pub fn create_command_encoder(device: &Device) -> CommandEncoder { +fn create_command_encoder(device: &Device) -> CommandEncoder { use wgpu::CommandEncoderDescriptor; device.create_command_encoder(&CommandEncoderDescriptor { @@ -209,10 +443,7 @@ pub fn create_command_encoder(device: &Device) -> CommandEncoder { } #[inline] -pub fn create_screen_descriptor( - window: &Window, - config: &SurfaceConfiguration, -) -> ScreenDescriptor { +fn create_screen_descriptor(window: &Window, config: &SurfaceConfiguration) -> ScreenDescriptor { ScreenDescriptor { physical_width: config.width, physical_height: config.height, @@ -220,136 +451,6 @@ pub fn create_screen_descriptor( } } -#[inline] -pub fn execute_render_pass( - render_pass: &mut RenderPass, - encoder: &mut CommandEncoder, - view: &TextureView, - jobs: Vec, - descriptor: &ScreenDescriptor, -) -> Result<(), BackendError> { - render_pass.execute(encoder, view, &jobs, descriptor, Some(wgpu::Color::BLACK)) -} - -#[inline] -pub fn draw_egui(cpu: &Cpu, app: &mut GuiState, ctx: &Context, texture_id: TextureId) { - use crate::{cpu, instruction, ppu}; - - fn selectable_text(ui: &mut egui::Ui, mut text: &str) -> egui::Response { - ui.add(egui::TextEdit::multiline(&mut text).code_editor()) - } - - egui::TopBottomPanel::top("top_panel").show(ctx, |ui| { - ui.menu_button("File", |ui| { - if ui.button("Quit").clicked() { - app.quit = true; - } - }); - - egui::Window::new(&app.title).show(ctx, |ui| { - ui.image( - texture_id, - [GB_WIDTH as f32 * SCALE, GB_HEIGHT as f32 * SCALE], - ); - }); - - egui::Window::new("Disassembly").show(ctx, |ui| { - selectable_text(ui, &instruction::dbg::tmp_disasm(cpu, 20)); - }); - - egui::Window::new("Settings").show(ctx, |ui| { - egui::ComboBox::from_label("Emulation Mode") - .selected_text(format!("{:?}", app.mode)) - .show_ui(ui, |ui| { - ui.selectable_value(&mut app.mode, EmuMode::Running, "Running"); - ui.selectable_value(&mut app.mode, EmuMode::Stopped, "Stopped"); - ui.selectable_value(&mut app.mode, EmuMode::StepFrame, "Step Frame"); - ui.selectable_value(&mut app.mode, EmuMode::Step, "Step"); - }) - }); - - egui::Window::new("GB Info").show(ctx, |ui| { - ui.horizontal(|ui| { - ui.vertical(|ui| { - ui.heading("CPU"); - - ui.monospace(format!("AF: {:#06X}", cpu::dbg::af(cpu))); - ui.monospace(format!("BC: {:#06X}", cpu::dbg::bc(cpu))); - ui.monospace(format!("DE: {:#06X}", cpu::dbg::de(cpu))); - ui.monospace(format!("HL: {:#06X}", cpu::dbg::hl(cpu))); - ui.add_space(10.0); - ui.monospace(format!("SP: {:#06X}", cpu::dbg::sp(cpu))); - ui.monospace(format!("PC: {:#06X}", cpu::dbg::pc(cpu))); - }); - - ui.vertical(|ui| { - let ppu = &cpu.bus.ppu; - - ui.heading("PPU"); - - ui.monospace(format!("LY: {}", ppu::dbg::ly(ppu))); - ui.horizontal(|ui| { - ui.monospace(format!("SCX: {}", ppu::dbg::scx(ppu))); - ui.monospace(format!("SCY: {}", ppu::dbg::scy(ppu))); - }); - ui.horizontal(|ui| { - ui.monospace(format!("WX: {}", ppu::dbg::wx(ppu))); - ui.monospace(format!("WY: {}", ppu::dbg::wy(ppu))); - }); - - ui.monospace(format!( - "Mode: {:?} {}", - ppu::dbg::mode(ppu), - ppu::dbg::dot(ppu) - )) - }); - }); - - ui.add_space(10.0); - - let _ = ui.selectable_label(cpu::dbg::ime(cpu), "IME"); - ui.horizontal(|ui| { - let irq = cpu.int_request(); - - ui.label("IRQ:"); - let _ = ui.selectable_label(irq & 0b01 == 0x01, "VBlank"); - let _ = ui.selectable_label(irq >> 1 & 0x01 == 0x01, "LCD STAT"); - let _ = ui.selectable_label(irq >> 2 & 0x01 == 0x01, "Timer"); - let _ = ui.selectable_label(irq >> 3 & 0x01 == 0x01, "Serial"); - let _ = ui.selectable_label(irq >> 4 & 0x01 == 0x01, "Joypad"); - }); - - ui.horizontal(|ui| { - let ie = cpu.int_enable(); - - // TODO: Reimplement this - // let r_len = ctx.fonts().glyph_width(egui::TextStyle::Body, 'R'); - // let e_len = ctx.fonts().glyph_width(egui::TextStyle::Body, 'E'); - // let q_len = ctx.fonts().glyph_width(egui::TextStyle::Body, 'Q'); - - ui.label("IE:"); - // ui.add_space(q_len - (e_len - r_len)); - let _ = ui.selectable_label(ie & 0b01 == 0x01, "VBlank"); - let _ = ui.selectable_label(ie >> 1 & 0x01 == 0x01, "LCD STAT"); - let _ = ui.selectable_label(ie >> 2 & 0x01 == 0x01, "Timer"); - let _ = ui.selectable_label(ie >> 3 & 0x01 == 0x01, "Serial"); - let _ = ui.selectable_label(ie >> 4 & 0x01 == 0x01, "Joypad"); - }); - - ui.add_space(10.0); - - ui.horizontal(|ui| { - let flags = cpu::dbg::flags(cpu); - - let _ = ui.selectable_label((flags >> 7 & 0x01) == 0x01, "Zero"); - let _ = ui.selectable_label((flags >> 6 & 0x01) == 0x01, "Negative"); - let _ = ui.selectable_label((flags >> 5 & 0x01) == 0x01, "Half-Carry"); - let _ = ui.selectable_label((flags >> 4 & 0x01) == 0x01, "Carry"); - }) - }) - }); -} - pub mod kbd { use winit::event::{ElementState, KeyboardInput, VirtualKeyCode}; diff --git a/src/main.rs b/src/main.rs index a91848c..8b9168a 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,14 +1,11 @@ use std::time::Instant; use clap::{crate_authors, crate_description, crate_name, crate_version, Arg, Command}; -use egui_wgpu_backend::RenderPass; -use gb::gui::EmuMode; +use gb::gui::{EmuMode, Gui}; use gb::{emu, gui}; use gilrs::Gilrs; -use gui::GuiState; use rodio::{OutputStream, Sink}; use tracing_subscriber::EnvFilter; -use wgpu::TextureViewDescriptor; use winit::event::{Event, WindowEvent}; use winit::event_loop::{EventLoop, EventLoopBuilder}; @@ -47,22 +44,7 @@ fn main() { .with_env_filter(EnvFilter::from_default_env()) .init(); - // --Here lies a lot of winit + wgpu Boilerplate-- - let event_loop: EventLoop> = EventLoopBuilder::with_user_event().build(); - let window = gui::build_window(&event_loop).expect("build window"); - - let (instance, surface) = gui::create_surface(&window); - let adapter = gui::request_adapter(&instance, &surface).expect("request adaptor"); - let (device, queue) = gui::request_device(&adapter).expect("request device"); - let format = surface.get_supported_formats(&adapter)[0]; // First is preferred - - let mut config = gui::surface_config(&window, format); - surface.configure(&device, &config); - let mut platform = gui::platform_desc(&window); - let mut render_pass = RenderPass::new(&device, format, 1); - - // We interrupt your boiler plate to initialize the emulator so that - // we can copy it's empty pixel buffer to the GPU + // Init CPU let mut cpu = match m.value_of("boot") { Some(path) => { tracing::info!("User-provided boot ROM"); @@ -74,22 +56,12 @@ fn main() { } }; - // Set up the wgpu (and then EGUI) texture we'll be working with. - let texture_size = gui::texture_size(); - let texture = gui::create_texture(&device, texture_size); - gui::write_to_texture(&queue, &texture, emu::pixel_buf(&cpu), texture_size); - - let view = texture.create_view(&TextureViewDescriptor::default()); - let texture_id = gui::expose_texture_to_egui(&mut render_pass, &device, &view); - // Load ROM if filepath was provided if let Some(path) = m.value_of("rom") { tracing::info!("User-provided cartridge ROM"); emu::read_game_rom(&mut cpu, path).expect("read game rom from path"); } - emu::load_save(&mut cpu); - let rom_title = emu::rom_title(&cpu).to_string(); tracing::info!("Initialize Gamepad"); @@ -116,20 +88,20 @@ fn main() { } // Set up state for the Immediate-mode GUI - let mut app = GuiState::new(rom_title); - let mut last_key = gui::unused_key(); + let event_loop: EventLoop> = EventLoopBuilder::with_user_event().build(); + + let mut app = Gui::new(rom_title, &event_loop, &cpu); + let mut last_key = gui::unused_key(); // TODO: Fix this awful impl // used for egui animations let start_time = Instant::now(); event_loop.run(move |event, _, control_flow| { - platform.handle_event(&event); + app.handle_event(&event); match event { Event::MainEventsCleared => { - if app.quit { - emu::save_and_exit(&cpu, control_flow); - } + app.maybe_quit(&cpu, control_flow); match app.mode { EmuMode::Running => emu::run_frame(&mut cpu, &mut gamepad, last_key), @@ -145,64 +117,14 @@ fn main() { // Input has been consumed, reset it last_key = gui::unused_key(); - window.request_redraw(); + app.request_redraw(); } Event::RedrawRequested(..) => { - platform.update_time(start_time.elapsed().as_secs_f64()); - - let data = emu::pixel_buf(&cpu); - gui::write_to_texture(&queue, &texture, data, texture_size); - - let output_frame = match surface.get_current_texture() { - Ok(frame) => frame, - Err(e) => { - eprintln!("Dropped frame with error: {}", e); - return; - } - }; - let output_view = gui::create_view(&output_frame); - - // Begin to draw Egui components - platform.begin_frame(); - gui::draw_egui(&cpu, &mut app, &platform.context(), texture_id); - // End the UI frame. We could now handle the output and draw the UI with the backend. - let full_output = platform.end_frame(Some(&window)); - let paint_jobs = platform.context().tessellate(full_output.shapes); - - let mut encoder = gui::create_command_encoder(&device); - let screen_descriptor = gui::create_screen_descriptor(&window, &config); - let tdelta = full_output.textures_delta; - // Upload all resources for the GPU. - render_pass - .add_textures(&device, &queue, &tdelta) - .expect("add texture ok"); - render_pass.update_buffers(&device, &queue, &paint_jobs, &screen_descriptor); - - // Record all render passes. - gui::execute_render_pass( - &mut render_pass, - &mut encoder, - &output_view, - paint_jobs, - &screen_descriptor, - ) - .expect("record render passes"); - - // Submit the commands. - queue.submit(std::iter::once(encoder.finish())); - - // Redraw egui - output_frame.present(); + app.update_time(start_time.elapsed().as_secs_f64()); } Event::WindowEvent { event, .. } => match event { - WindowEvent::Resized(size) => { - config.width = size.width; - config.height = size.height; - surface.configure(&device, &config); - } - WindowEvent::CloseRequested => { - emu::save_and_exit(&cpu, control_flow); - } + WindowEvent::Resized(size) => app.resize(size), + WindowEvent::CloseRequested => emu::save_and_exit(&cpu, control_flow), WindowEvent::KeyboardInput { input, .. } => last_key = input, _ => {} },