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| author |  Héctor Ramón Jiménez <hector0193@gmail.com> | 2019-10-03 00:34:15 +0200 |
|---|---|---|
| committer | Héctor Ramón Jiménez <hector0193@gmail.com> | 2019-10-03 00:34:15 +0200 |
| commit | fc38119be3ffccc35c90971e956e8866e8b97e85 (patch) | |
| tree | 67602956e2e4d554c477de17551dad4c8b2558cb /wgpu | |
| parent | 8bb33cd5a0b876a5e24108604be2cecd4efad3ef (diff) | |
| download | iced-fc38119be3ffccc35c90971e956e8866e8b97e85.tar.gz iced-fc38119be3ffccc35c90971e956e8866e8b97e85.tar.bz2 iced-fc38119be3ffccc35c90971e956e8866e8b97e85.zip | |
Clear the window properly on redraw
Diffstat (limited to 'wgpu')
| -rw-r--r-- | wgpu/src/lib.rs | 50 |
1 files changed, 47 insertions, 3 deletions
diff --git a/wgpu/src/lib.rs b/wgpu/src/lib.rs index 502a2614..1e11749b 100644 --- a/wgpu/src/lib.rs +++ b/wgpu/src/lib.rs @@ -6,8 +6,9 @@ use iced_native::{ use raw_window_handle::HasRawWindowHandle; use wgpu::{ - Adapter, Device, DeviceDescriptor, Extensions, Instance, Limits, - PowerPreference, RequestAdapterOptions, Surface, + Adapter, CommandEncoderDescriptor, Device, DeviceDescriptor, Extensions, + Instance, Limits, PowerPreference, RequestAdapterOptions, Surface, + SwapChain, SwapChainDescriptor, TextureFormat, TextureUsage, }; pub struct Renderer { @@ -15,10 +16,15 @@ pub struct Renderer { surface: Surface, adapter: Adapter, device: Device, + swap_chain: SwapChain, } impl Renderer { - pub fn new<W: HasRawWindowHandle>(window: &W) -> Self { + pub fn new<W: HasRawWindowHandle>( + window: &W, + width: u32, + height: u32, + ) -> Self { let instance = Instance::new(); let adapter = instance.request_adapter(&RequestAdapterOptions { @@ -34,13 +40,51 @@ impl Renderer { let surface = instance.create_surface(window.raw_window_handle()); + let swap_chain = device.create_swap_chain( + &surface, + &SwapChainDescriptor { + usage: TextureUsage::OUTPUT_ATTACHMENT, + format: TextureFormat::Bgra8UnormSrgb, + width, + height, + present_mode: wgpu::PresentMode::Vsync, + }, + ); + Self { instance, surface, adapter, device, + swap_chain, } } + + pub fn draw(&mut self) { + let frame = self.swap_chain.get_next_texture(); + + let mut encoder = self + .device + .create_command_encoder(&CommandEncoderDescriptor { todo: 0 }); + + 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, + }); + + self.device.get_queue().submit(&[encoder.finish()]); + } } impl text::Renderer for Renderer { |