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fix triangle-util and viewport extent docs

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This commit is contained in:
Katt 2024-10-20 09:11:15 +08:00
parent f73e46fc34
commit b70ebad5ba
2 changed files with 7 additions and 18 deletions
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22
examples/triangle-util/main.rs
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@ -62,7 +62,6 @@ struct RenderContext {
render_pass: Arc<RenderPass>,
framebuffers: Vec<Arc<Framebuffer>>,
pipeline: Arc<GraphicsPipeline>,
viewport: Viewport,
}
impl App {
@ -133,7 +132,6 @@ impl ApplicationHandler for App {
self.windows
.create_window(event_loop, &self.context, &Default::default(), |_| {});
let window_renderer = self.windows.get_primary_renderer_mut().unwrap();
let window_size = window_renderer.window().inner_size();
// The next step is to create the shaders.
//
@ -315,14 +313,6 @@ impl ApplicationHandler for App {
.unwrap()
};
// Dynamic viewports allow us to recreate just the viewport when the window is resized.
// Otherwise we would have to recreate the whole pipeline.
let viewport = Viewport {
offset: [0.0, 0.0],
extent: window_size.into(),
depth_range: 0.0..=1.0,
};
// In the `window_event` handler below we are going to submit commands to the GPU.
// Submitting a command produces an object that implements the `GpuFuture` trait, which
// holds the resources for as long as they are in use by the GPU.
@ -331,7 +321,6 @@ impl ApplicationHandler for App {
render_pass,
framebuffers,
pipeline,
viewport,
});
}
@ -363,10 +352,8 @@ impl ApplicationHandler for App {
// Begin rendering by acquiring the gpu future from the window renderer.
let previous_frame_end = window_renderer
.acquire(Some(Duration::from_millis(1000)), |swapchain_images| {
// Whenever the window resizes we need to recreate everything dependent
// on the window size. In this example that
// includes the swapchain, the framebuffers
// and the dynamic state viewport.
// Whenever the swapchain gets recreated, we need to recreate everything dependent upon it.
// In this example, that is only the framebuffers.
rcx.framebuffers =
window_size_dependent_setup(swapchain_images, &rcx.render_pass);
})
@ -416,7 +403,10 @@ impl ApplicationHandler for App {
// We are now inside the first subpass of the render pass.
//
// TODO: Document state setting and how it affects subsequent draw commands.
.set_viewport(0, [rcx.viewport.clone()].into_iter().collect())
.set_viewport(0, [Viewport {
extent: window_size.into(),
..Default::default()
}].into_iter().collect())
.unwrap()
.bind_pipeline_graphics(rcx.pipeline.clone())
.unwrap()

3
vulkano/src/pipeline/graphics/viewport.rs
View File

@ -281,8 +281,7 @@ pub struct Viewport {
/// Dimensions in pixels of the viewport.
///
/// The default value is `[1.0; 2]`, which you probably want to override if you are not
/// using dynamic state.
/// The default value is `[1.0; 2]`, which you probably want to override.
pub extent: [f32; 2],
/// Minimum and maximum values of the depth.