102 lines
2.9 KiB
Rust
102 lines
2.9 KiB
Rust
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use randr::{Renderer, App, Wgpu, AppDI};
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use wgpu::{include_wgsl, TextureFormat};
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use winit::{event_loop::{EventLoop, EventLoopBuilder}, platform::wayland::EventLoopBuilderExtWayland};
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struct Randr {
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color: wgpu::Color,
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clear_color: wgpu::Color,
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render_pipeline: Option<wgpu::RenderPipeline>,
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}
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impl Default for Randr {
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fn default() -> Self {
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Self {
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color: wgpu::Color::BLUE,
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clear_color: wgpu::Color::BLACK,
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render_pipeline: None,
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}
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}
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}
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impl Renderer for Randr {
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fn render(&mut self, wgpu: &Wgpu) -> Result<(), wgpu::SurfaceError> {
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let frame = wgpu.surface.get_current_texture()?;
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let view = frame.texture.create_view(&wgpu::TextureViewDescriptor::default());
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let mut encoder = wgpu.device.create_command_encoder(&wgpu::CommandEncoderDescriptor { label: None });
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let mut rpass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
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label: None,
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color_attachments: &[Some(wgpu::RenderPassColorAttachment {
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view: &view,
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resolve_target: None,
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ops: wgpu::Operations {
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load: wgpu::LoadOp::Clear(self.clear_color),
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store: wgpu::StoreOp::Store,
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},
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})],
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depth_stencil_attachment: None,
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timestamp_writes: None,
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occlusion_query_set: None,
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});
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rpass.set_pipeline(&self.render_pipeline.as_ref().unwrap());
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rpass.draw(0..3, 0..1);
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drop(rpass);
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wgpu.queue.submit(Some(encoder.finish()));
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frame.present();
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Ok(())
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}
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fn init(&mut self, _window: &winit::window::Window, wgpu: &Wgpu, swapchain_formats: TextureFormat) -> anyhow::Result<()> {
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let shader = wgpu.device.create_shader_module(include_wgsl!("shader.wgsl"));
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let pipeline_layout = wgpu.device.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
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label: None,
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bind_group_layouts: &[],
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push_constant_ranges: &[],
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});
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let render_pipeline = wgpu.device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
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label: None,
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layout: Some(&pipeline_layout),
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vertex: wgpu::VertexState {
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module: &shader,
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entry_point: "vs_main",
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buffers: &[],
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},
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fragment: Some(wgpu::FragmentState {
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module: &shader,
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entry_point: "fs_main",
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targets: &[Some(swapchain_formats.into())],
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}),
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primitive: wgpu::PrimitiveState::default(),
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depth_stencil: None,
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multisample: wgpu::MultisampleState::default(),
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multiview: None,
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});
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self.render_pipeline = Some(render_pipeline);
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Ok(())
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}
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fn resize(&mut self, _size: winit::dpi::PhysicalSize<u32>) {}
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fn input(&mut self, _input: &winit_input_helper::WinitInputHelper) {}
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fn update(&mut self, _wgpu: &Wgpu) {}
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}
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#[test]
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fn hello_triangle() {
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tracing_subscriber::fmt().with_max_level(tracing::Level::TRACE).init();
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tokio::runtime::Builder::new_current_thread()
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.enable_all()
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.build()
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.unwrap()
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.block_on(async {
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let event_loop = EventLoopBuilder::new().with_wayland().with_any_thread(true).build().unwrap();
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App::new(Randr::default(), &event_loop, AppDI::default()).await.run(event_loop).unwrap();
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});
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}
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