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rewrite it in rust #1

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SonicSwordcane merged 20 commits from riir into main 2024-11-10 23:34:55 +00:00
Conversation 0 Commits 20 Files Changed 33 +50 -17
1 changed files with 50 additions and 17 deletions
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Showing only changes of commit 75fa3be25c - Show all commits

67
src/app.rs
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@ -8,7 +8,7 @@ use wgpu::util::DeviceExt as _;
use winit::platform::windows::{CornerPreference, WindowAttributesExtWindows as _};
use winit::{
application::ApplicationHandler,
dpi::LogicalSize,
dpi::{LogicalSize, PhysicalSize},
event::{ElementState, Event, WindowEvent},
event_loop::ActiveEventLoop,
keyboard::Key,
@ -297,17 +297,8 @@ impl ApplicationHandler for App {
match &event {
WindowEvent::Resized(size) => {
window.surface_desc = wgpu::SurfaceConfiguration {
usage: wgpu::TextureUsages::RENDER_ATTACHMENT,
format: wgpu::TextureFormat::Bgra8UnormSrgb,
width: size.width,
height: size.height,
present_mode: wgpu::PresentMode::Fifo,
desired_maximum_frame_latency: 2,
alpha_mode: wgpu::CompositeAlphaMode::Auto,
view_formats: vec![wgpu::TextureFormat::Bgra8Unorm],
};
window.surface_desc.width = size.width;
window.surface_desc.height = size.height;
window
.surface
.configure(&window.device, &window.surface_desc);
@ -345,9 +336,9 @@ impl ApplicationHandler for App {
.prepare_frame(imgui.context.io_mut(), &window.window)
.expect("Failed to prepare frame");
let ui = imgui.context.frame();
let mut height = 0.0;
let mut menu_height = 0.0;
ui.main_menu_bar(|| {
height = ui.window_size()[1];
menu_height = ui.window_size()[1];
ui.menu("ROM", || {
if ui.menu_item("Open ROM") {
let rom = native_dialog::FileDialog::new()
@ -374,6 +365,27 @@ impl ApplicationHandler for App {
self.client.send_command(EmulatorCommand::Reset);
}
});
ui.menu("Video", || {
let current_dims = PhysicalSize::new(
window.surface_desc.width,
window.surface_desc.height,
)
.to_logical(window.hidpi_factor);
for scale in 1..=4 {
let label = format!("x{scale}");
let dims = LogicalSize::new(384 * scale, 224 * scale + 20);
let selected = dims == current_dims;
if ui.menu_item_config(label).selected(selected).build() {
if let Some(size) = window.window.request_inner_size(dims) {
window.surface_desc.width = size.width;
window.surface_desc.height = size.height;
window
.surface
.configure(&window.device, &window.surface_desc);
}
}
}
});
});
let mut encoder: wgpu::CommandEncoder = window
@ -403,13 +415,19 @@ impl ApplicationHandler for App {
occlusion_query_set: None,
});
// Draw the game
rpass.set_pipeline(&window.pipeline);
let hidpi = window.hidpi_factor as f32;
rpass.set_viewport(0.0, height * hidpi, 384.0 * hidpi, 224.0 * hidpi, 0.0, 1.0);
let window_width = window.surface_desc.width as f32;
let window_height = window.surface_desc.height as f32;
let menu_height = menu_height * window.hidpi_factor as f32;
let ((x, y), (width, height)) =
compute_game_bounds(window_width, window_height, menu_height);
rpass.set_viewport(x, y, width, height, 0.0, 1.0);
rpass.set_bind_group(0, &window.bind_group, &[]);
rpass.draw(0..6, 0..1);
rpass.set_viewport(0.0, 0.0, 384.0 * hidpi, 224.0 * hidpi, 0.0, 1.0);
// Draw the menu on top of the game
rpass.set_viewport(0.0, 0.0, window_width, window_height, 0.0, 1.0);
imgui
.renderer
.render(
@ -473,6 +491,21 @@ impl ApplicationHandler for App {
}
}
fn compute_game_bounds(
window_width: f32,
window_height: f32,
menu_height: f32,
) -> ((f32, f32), (f32, f32)) {
let available_width = window_width;
let available_height = window_height - menu_height;
let width = available_width.min(available_height * 384.0 / 224.0);
let height = available_height.min(available_width * 224.0 / 384.0);
let x = (available_width - width) / 2.0;
let y = menu_height + (available_height - height) / 2.0;
((x, y), (width, height))
}
#[derive(Clone, Copy, bytemuck::Pod, bytemuck::Zeroable)]
#[repr(C)]
struct Colors {