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authorLibravatar Héctor Ramón Jiménez <hector0193@gmail.com>2020-05-19 20:01:55 +0200
committerLibravatar Héctor Ramón Jiménez <hector0193@gmail.com>2020-05-19 20:01:55 +0200
commit4aed0fa4b6d63b739b5557ef16f6077988cd2758 (patch)
tree2b773d818e745ee33015f904b8a748c50d7f2cfc /wgpu/src/window/backend.rs
parenta0ac09122a68d9be7d11e5cc765f52cb526ae913 (diff)
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Rename `window::Backend` to `Compositor`
Diffstat (limited to 'wgpu/src/window/backend.rs')
-rw-r--r--wgpu/src/window/backend.rs119
1 files changed, 0 insertions, 119 deletions
diff --git a/wgpu/src/window/backend.rs b/wgpu/src/window/backend.rs
deleted file mode 100644
index 92e81cd9..00000000
--- a/wgpu/src/window/backend.rs
+++ /dev/null
@@ -1,119 +0,0 @@
-use crate::{window::SwapChain, Renderer, Settings, Target};
-
-use iced_native::{futures, mouse};
-use raw_window_handle::HasRawWindowHandle;
-
-/// A window graphics backend for iced powered by `wgpu`.
-#[derive(Debug)]
-pub struct Backend {
- device: wgpu::Device,
- queue: wgpu::Queue,
- format: wgpu::TextureFormat,
-}
-
-impl iced_native::window::Backend for Backend {
- type Settings = Settings;
- type Renderer = Renderer;
- type Surface = wgpu::Surface;
- type SwapChain = SwapChain;
-
- fn new(settings: Self::Settings) -> Backend {
- let (device, queue) = futures::executor::block_on(async {
- let adapter = wgpu::Adapter::request(
- &wgpu::RequestAdapterOptions {
- power_preference: if settings.antialiasing.is_none() {
- wgpu::PowerPreference::Default
- } else {
- wgpu::PowerPreference::HighPerformance
- },
- compatible_surface: None,
- },
- wgpu::BackendBit::PRIMARY,
- )
- .await
- .expect("Request adapter");
-
- adapter
- .request_device(&wgpu::DeviceDescriptor {
- extensions: wgpu::Extensions {
- anisotropic_filtering: false,
- },
- limits: wgpu::Limits { max_bind_groups: 2 },
- })
- .await
- });
-
- Backend {
- device,
- queue,
- format: settings.format,
- }
- }
-
- fn create_renderer(&mut self, settings: Settings) -> Renderer {
- Renderer::new(crate::Backend::new(&mut self.device, settings))
- }
-
- fn create_surface<W: HasRawWindowHandle>(
- &mut self,
- window: &W,
- ) -> wgpu::Surface {
- wgpu::Surface::create(window)
- }
-
- fn create_swap_chain(
- &mut self,
- surface: &Self::Surface,
- width: u32,
- height: u32,
- ) -> SwapChain {
- SwapChain::new(&self.device, surface, self.format, width, height)
- }
-
- fn draw<T: AsRef<str>>(
- &mut self,
- renderer: &mut Self::Renderer,
- swap_chain: &mut SwapChain,
- output: &<Self::Renderer as iced_native::Renderer>::Output,
- scale_factor: f64,
- overlay: &[T],
- ) -> mouse::Interaction {
- let (frame, viewport) = swap_chain.next_frame().expect("Next frame");
-
- let mut encoder = self.device.create_command_encoder(
- &wgpu::CommandEncoderDescriptor { label: None },
- );
-
- let _ = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
- color_attachments: &[wgpu::RenderPassColorAttachmentDescriptor {
- attachment: &frame.view,
- resolve_target: None,
- load_op: wgpu::LoadOp::Clear,
- store_op: wgpu::StoreOp::Store,
- clear_color: wgpu::Color {
- r: 1.0,
- g: 1.0,
- b: 1.0,
- a: 1.0,
- },
- }],
- depth_stencil_attachment: None,
- });
-
- let mouse_interaction = renderer.backend_mut().draw(
- &mut self.device,
- &mut encoder,
- Target {
- texture: &frame.view,
- viewport,
- },
- output,
- scale_factor,
- overlay,
- );
-
- self.queue.submit(&[encoder.finish()]);
-
- mouse_interaction
- }
-}