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-rw-r--r--core/src/rectangle.rs17
-rw-r--r--examples/custom_shader/src/scene.rs33
-rw-r--r--renderer/src/fallback.rs10
-rw-r--r--wgpu/src/engine.rs13
-rw-r--r--wgpu/src/layer.rs16
-rw-r--r--wgpu/src/lib.rs62
-rw-r--r--wgpu/src/primitive.rs103
-rw-r--r--wgpu/src/primitive/pipeline.rs115
-rw-r--r--wgpu/src/triangle.rs7
-rw-r--r--widget/src/shader.rs11
-rw-r--r--widget/src/shader/program.rs4
11 files changed, 219 insertions, 172 deletions
diff --git a/core/src/rectangle.rs b/core/src/rectangle.rs
index 446d3769..2ab50137 100644
--- a/core/src/rectangle.rs
+++ b/core/src/rectangle.rs
@@ -147,13 +147,20 @@ impl Rectangle<f32> {
}
/// Snaps the [`Rectangle`] to __unsigned__ integer coordinates.
- pub fn snap(self) -> Rectangle<u32> {
- Rectangle {
+ pub fn snap(self) -> Option<Rectangle<u32>> {
+ let width = self.width as u32;
+ let height = self.height as u32;
+
+ if width < 1 || height < 1 {
+ return None;
+ }
+
+ Some(Rectangle {
x: self.x as u32,
y: self.y as u32,
- width: self.width as u32,
- height: self.height as u32,
- }
+ width,
+ height,
+ })
}
/// Expands the [`Rectangle`] a given amount.
diff --git a/examples/custom_shader/src/scene.rs b/examples/custom_shader/src/scene.rs
index a35efdd9..5fa42188 100644
--- a/examples/custom_shader/src/scene.rs
+++ b/examples/custom_shader/src/scene.rs
@@ -9,8 +9,8 @@ use pipeline::cube::{self, Cube};
use iced::mouse;
use iced::time::Duration;
-use iced::widget::shader;
-use iced::{Color, Rectangle, Size};
+use iced::widget::shader::{self, Viewport};
+use iced::{Color, Rectangle};
use glam::Vec3;
use rand::Rng;
@@ -130,25 +130,29 @@ impl Primitive {
impl shader::Primitive for Primitive {
fn prepare(
&self,
- format: wgpu::TextureFormat,
device: &wgpu::Device,
queue: &wgpu::Queue,
- _bounds: Rectangle,
- target_size: Size<u32>,
- _scale_factor: f32,
+ format: wgpu::TextureFormat,
storage: &mut shader::Storage,
+ _bounds: &Rectangle,
+ viewport: &Viewport,
) {
if !storage.has::<Pipeline>() {
- storage.store(Pipeline::new(device, queue, format, target_size));
+ storage.store(Pipeline::new(
+ device,
+ queue,
+ format,
+ viewport.physical_size(),
+ ));
}
let pipeline = storage.get_mut::<Pipeline>().unwrap();
- //upload data to GPU
+ // Upload data to GPU
pipeline.update(
device,
queue,
- target_size,
+ viewport.physical_size(),
&self.uniforms,
self.cubes.len(),
&self.cubes,
@@ -157,20 +161,19 @@ impl shader::Primitive for Primitive {
fn render(
&self,
+ encoder: &mut wgpu::CommandEncoder,
storage: &shader::Storage,
target: &wgpu::TextureView,
- _target_size: Size<u32>,
- viewport: Rectangle<u32>,
- encoder: &mut wgpu::CommandEncoder,
+ clip_bounds: &Rectangle<u32>,
) {
- //at this point our pipeline should always be initialized
+ // At this point our pipeline should always be initialized
let pipeline = storage.get::<Pipeline>().unwrap();
- //render primitive
+ // Render primitive
pipeline.render(
target,
encoder,
- viewport,
+ *clip_bounds,
self.cubes.len() as u32,
self.show_depth_buffer,
);
diff --git a/renderer/src/fallback.rs b/renderer/src/fallback.rs
index 2676ba87..975f4866 100644
--- a/renderer/src/fallback.rs
+++ b/renderer/src/fallback.rs
@@ -399,19 +399,19 @@ where
}
#[cfg(feature = "wgpu")]
-impl<A, B> iced_wgpu::primitive::pipeline::Renderer for Renderer<A, B>
+impl<A, B> iced_wgpu::primitive::Renderer for Renderer<A, B>
where
- A: iced_wgpu::primitive::pipeline::Renderer,
+ A: iced_wgpu::primitive::Renderer,
B: core::Renderer,
{
- fn draw_pipeline_primitive(
+ fn draw_primitive(
&mut self,
bounds: Rectangle,
- primitive: impl iced_wgpu::primitive::pipeline::Primitive,
+ primitive: impl iced_wgpu::Primitive,
) {
match self {
Self::Primary(renderer) => {
- renderer.draw_pipeline_primitive(bounds, primitive);
+ renderer.draw_primitive(bounds, primitive);
}
Self::Secondary(_) => {
log::warn!(
diff --git a/wgpu/src/engine.rs b/wgpu/src/engine.rs
index e45b62b2..96cd6db8 100644
--- a/wgpu/src/engine.rs
+++ b/wgpu/src/engine.rs
@@ -1,19 +1,21 @@
use crate::buffer;
use crate::graphics::Antialiasing;
-use crate::primitive::pipeline;
+use crate::primitive;
use crate::quad;
use crate::text;
use crate::triangle;
#[allow(missing_debug_implementations)]
pub struct Engine {
+ pub(crate) staging_belt: wgpu::util::StagingBelt,
+ pub(crate) format: wgpu::TextureFormat,
+
pub(crate) quad_pipeline: quad::Pipeline,
pub(crate) text_pipeline: text::Pipeline,
pub(crate) triangle_pipeline: triangle::Pipeline,
- pub(crate) _pipeline_storage: pipeline::Storage,
#[cfg(any(feature = "image", feature = "svg"))]
pub(crate) image_pipeline: crate::image::Pipeline,
- pub(crate) staging_belt: wgpu::util::StagingBelt,
+ pub(crate) primitive_storage: primitive::Storage,
}
impl Engine {
@@ -43,13 +45,16 @@ impl Engine {
staging_belt: wgpu::util::StagingBelt::new(
buffer::MAX_WRITE_SIZE as u64,
),
+ format,
+
quad_pipeline,
text_pipeline,
triangle_pipeline,
- _pipeline_storage: pipeline::Storage::default(),
#[cfg(any(feature = "image", feature = "svg"))]
image_pipeline,
+
+ primitive_storage: primitive::Storage::default(),
}
}
diff --git a/wgpu/src/layer.rs b/wgpu/src/layer.rs
index c8c27c61..7a18e322 100644
--- a/wgpu/src/layer.rs
+++ b/wgpu/src/layer.rs
@@ -4,6 +4,7 @@ use crate::graphics::color;
use crate::graphics::text::{Editor, Paragraph};
use crate::graphics::Mesh;
use crate::image::{self, Image};
+use crate::primitive::{self, Primitive};
use crate::quad::{self, Quad};
use crate::text::{self, Text};
use crate::triangle;
@@ -13,6 +14,7 @@ pub struct Layer {
pub bounds: Rectangle,
pub quads: quad::Batch,
pub triangles: triangle::Batch,
+ pub primitives: primitive::Batch,
pub text: text::Batch,
pub images: image::Batch,
}
@@ -23,6 +25,7 @@ impl Default for Layer {
bounds: Rectangle::INFINITE,
quads: quad::Batch::default(),
triangles: triangle::Batch::default(),
+ primitives: primitive::Batch::default(),
text: text::Batch::default(),
images: image::Batch::default(),
}
@@ -222,6 +225,18 @@ impl Stack {
});
}
+ pub fn draw_primitive(
+ &mut self,
+ bounds: Rectangle,
+ primitive: Box<dyn Primitive>,
+ ) {
+ let bounds = bounds * self.transformation();
+
+ self.layers[self.current]
+ .primitives
+ .push(primitive::Instance { bounds, primitive });
+ }
+
pub fn push_clip(&mut self, bounds: Rectangle) {
self.previous.push(self.current);
@@ -282,6 +297,7 @@ impl Stack {
live.quads.clear();
live.triangles.clear();
+ live.primitives.clear();
live.text.clear();
live.images.clear();
pending_meshes.clear();
diff --git a/wgpu/src/lib.rs b/wgpu/src/lib.rs
index 030bcade..0580399d 100644
--- a/wgpu/src/lib.rs
+++ b/wgpu/src/lib.rs
@@ -101,8 +101,6 @@ impl Renderer {
}
}
- pub fn draw_primitive(&mut self, _primitive: Primitive) {}
-
pub fn present<T: AsRef<str>>(
&mut self,
engine: &mut Engine,
@@ -158,6 +156,19 @@ impl Renderer {
);
}
+ if !layer.primitives.is_empty() {
+ for instance in &layer.primitives {
+ instance.primitive.prepare(
+ device,
+ queue,
+ engine.format,
+ &mut engine.primitive_storage,
+ &instance.bounds,
+ viewport,
+ );
+ }
+ }
+
if !layer.text.is_empty() {
engine.text_pipeline.prepare(
device,
@@ -247,7 +258,9 @@ impl Renderer {
continue;
};
- let scissor_rect = physical_bounds.snap();
+ let Some(scissor_rect) = physical_bounds.snap() else {
+ continue;
+ };
if !layer.quads.is_empty() {
engine.quad_pipeline.render(
@@ -293,6 +306,43 @@ impl Renderer {
));
}
+ if !layer.primitives.is_empty() {
+ let _ = ManuallyDrop::into_inner(render_pass);
+
+ for instance in &layer.primitives {
+ if let Some(clip_bounds) = (instance.bounds * scale)
+ .intersection(&physical_bounds)
+ .and_then(Rectangle::snap)
+ {
+ instance.primitive.render(
+ encoder,
+ &engine.primitive_storage,
+ frame,
+ &clip_bounds,
+ );
+ }
+ }
+
+ render_pass = ManuallyDrop::new(encoder.begin_render_pass(
+ &wgpu::RenderPassDescriptor {
+ label: Some("iced_wgpu render pass"),
+ color_attachments: &[Some(
+ wgpu::RenderPassColorAttachment {
+ view: frame,
+ resolve_target: None,
+ ops: wgpu::Operations {
+ load: wgpu::LoadOp::Load,
+ store: wgpu::StoreOp::Store,
+ },
+ },
+ )],
+ depth_stencil_attachment: None,
+ timestamp_writes: None,
+ occlusion_query_set: None,
+ },
+ ));
+ }
+
if !layer.text.is_empty() {
text_layer += engine.text_pipeline.render(
&self.text_storage,
@@ -520,6 +570,12 @@ impl graphics::geometry::Renderer for Renderer {
}
}
+impl primitive::Renderer for Renderer {
+ fn draw_primitive(&mut self, bounds: Rectangle, primitive: impl Primitive) {
+ self.layers.draw_primitive(bounds, Box::new(primitive));
+ }
+}
+
impl graphics::compositor::Default for crate::Renderer {
type Compositor = window::Compositor;
}
diff --git a/wgpu/src/primitive.rs b/wgpu/src/primitive.rs
index 8e311d2b..4ba1ed9a 100644
--- a/wgpu/src/primitive.rs
+++ b/wgpu/src/primitive.rs
@@ -1,20 +1,95 @@
-//! Draw using different graphical primitives.
-pub mod pipeline;
+//! Draw custom primitives.
+use crate::core::{self, Rectangle};
+use crate::graphics::Viewport;
-pub use pipeline::Pipeline;
+use rustc_hash::FxHashMap;
+use std::any::{Any, TypeId};
+use std::fmt::Debug;
-use crate::graphics::Mesh;
+/// A batch of primitives.
+pub type Batch = Vec<Instance>;
-use std::fmt::Debug;
+/// A set of methods which allows a [`Primitive`] to be rendered.
+pub trait Primitive: Debug + Send + Sync + 'static {
+ /// Processes the [`Primitive`], allowing for GPU buffer allocation.
+ fn prepare(
+ &self,
+ device: &wgpu::Device,
+ queue: &wgpu::Queue,
+ format: wgpu::TextureFormat,
+ storage: &mut Storage,
+ bounds: &Rectangle,
+ viewport: &Viewport,
+ );
+
+ /// Renders the [`Primitive`].
+ fn render(
+ &self,
+ encoder: &mut wgpu::CommandEncoder,
+ storage: &Storage,
+ target: &wgpu::TextureView,
+ clip_bounds: &Rectangle<u32>,
+ );
+}
+
+#[derive(Debug)]
+/// An instance of a specific [`Primitive`].
+pub struct Instance {
+ /// The bounds of the [`Instance`].
+ pub bounds: Rectangle,
+
+ /// The [`Primitive`] to render.
+ pub primitive: Box<dyn Primitive>,
+}
+
+impl Instance {
+ /// Creates a new [`Pipeline`] with the given [`Primitive`].
+ pub fn new(bounds: Rectangle, primitive: impl Primitive) -> Self {
+ Instance {
+ bounds,
+ primitive: Box::new(primitive),
+ }
+ }
+}
+
+/// A renderer than can draw custom primitives.
+pub trait Renderer: core::Renderer {
+ /// Draws a custom primitive.
+ fn draw_primitive(&mut self, bounds: Rectangle, primitive: impl Primitive);
+}
+
+/// Stores custom, user-provided types.
+#[derive(Default, Debug)]
+pub struct Storage {
+ pipelines: FxHashMap<TypeId, Box<dyn Any + Send>>,
+}
+
+impl Storage {
+ /// Returns `true` if `Storage` contains a type `T`.
+ pub fn has<T: 'static>(&self) -> bool {
+ self.pipelines.get(&TypeId::of::<T>()).is_some()
+ }
+
+ /// Inserts the data `T` in to [`Storage`].
+ pub fn store<T: 'static + Send>(&mut self, data: T) {
+ let _ = self.pipelines.insert(TypeId::of::<T>(), Box::new(data));
+ }
-/// The graphical primitives supported by `iced_wgpu`.
-pub type Primitive = crate::graphics::Primitive<Custom>;
+ /// Returns a reference to the data with type `T` if it exists in [`Storage`].
+ pub fn get<T: 'static>(&self) -> Option<&T> {
+ self.pipelines.get(&TypeId::of::<T>()).map(|pipeline| {
+ pipeline
+ .downcast_ref::<T>()
+ .expect("Pipeline with this type does not exist in Storage.")
+ })
+ }
-/// The custom primitives supported by `iced_wgpu`.
-#[derive(Debug, Clone, PartialEq)]
-pub enum Custom {
- /// A mesh primitive.
- Mesh(Mesh),
- /// A custom pipeline primitive.
- Pipeline(Pipeline),
+ /// Returns a mutable reference to the data with type `T` if it exists in [`Storage`].
+ pub fn get_mut<T: 'static>(&mut self) -> Option<&mut T> {
+ self.pipelines.get_mut(&TypeId::of::<T>()).map(|pipeline| {
+ pipeline
+ .downcast_mut::<T>()
+ .expect("Pipeline with this type does not exist in Storage.")
+ })
+ }
}
diff --git a/wgpu/src/primitive/pipeline.rs b/wgpu/src/primitive/pipeline.rs
index 59c54db9..8b137891 100644
--- a/wgpu/src/primitive/pipeline.rs
+++ b/wgpu/src/primitive/pipeline.rs
@@ -1,116 +1 @@
-//! Draw primitives using custom pipelines.
-use crate::core::{self, Rectangle, Size};
-use rustc_hash::FxHashMap;
-use std::any::{Any, TypeId};
-use std::fmt::Debug;
-use std::sync::Arc;
-
-#[derive(Clone, Debug)]
-/// A custom primitive which can be used to render primitives associated with a custom pipeline.
-pub struct Pipeline {
- /// The bounds of the [`Pipeline`].
- pub bounds: Rectangle,
-
- /// The [`Primitive`] to render.
- pub primitive: Arc<dyn Primitive>,
-}
-
-impl Pipeline {
- /// Creates a new [`Pipeline`] with the given [`Primitive`].
- pub fn new(bounds: Rectangle, primitive: impl Primitive) -> Self {
- Pipeline {
- bounds,
- primitive: Arc::new(primitive),
- }
- }
-}
-
-impl PartialEq for Pipeline {
- fn eq(&self, other: &Self) -> bool {
- self.primitive.type_id() == other.primitive.type_id()
- }
-}
-
-/// A set of methods which allows a [`Primitive`] to be rendered.
-pub trait Primitive: Debug + Send + Sync + 'static {
- /// Processes the [`Primitive`], allowing for GPU buffer allocation.
- fn prepare(
- &self,
- format: wgpu::TextureFormat,
- device: &wgpu::Device,
- queue: &wgpu::Queue,
- bounds: Rectangle,
- target_size: Size<u32>,
- scale_factor: f32,
- storage: &mut Storage,
- );
-
- /// Renders the [`Primitive`].
- fn render(
- &self,
- storage: &Storage,
- target: &wgpu::TextureView,
- target_size: Size<u32>,
- viewport: Rectangle<u32>,
- encoder: &mut wgpu::CommandEncoder,
- );
-}
-
-/// A renderer than can draw custom pipeline primitives.
-pub trait Renderer: core::Renderer {
- /// Draws a custom pipeline primitive.
- fn draw_pipeline_primitive(
- &mut self,
- bounds: Rectangle,
- primitive: impl Primitive,
- );
-}
-
-impl Renderer for crate::Renderer {
- fn draw_pipeline_primitive(
- &mut self,
- bounds: Rectangle,
- primitive: impl Primitive,
- ) {
- self.draw_primitive(super::Primitive::Custom(super::Custom::Pipeline(
- Pipeline::new(bounds, primitive),
- )));
- }
-}
-
-/// Stores custom, user-provided pipelines.
-#[derive(Default, Debug)]
-pub struct Storage {
- pipelines: FxHashMap<TypeId, Box<dyn Any + Send>>,
-}
-
-impl Storage {
- /// Returns `true` if `Storage` contains a pipeline with type `T`.
- pub fn has<T: 'static>(&self) -> bool {
- self.pipelines.get(&TypeId::of::<T>()).is_some()
- }
-
- /// Inserts the pipeline `T` in to [`Storage`].
- pub fn store<T: 'static + Send>(&mut self, pipeline: T) {
- let _ = self.pipelines.insert(TypeId::of::<T>(), Box::new(pipeline));
- }
-
- /// Returns a reference to pipeline with type `T` if it exists in [`Storage`].
- pub fn get<T: 'static>(&self) -> Option<&T> {
- self.pipelines.get(&TypeId::of::<T>()).map(|pipeline| {
- pipeline
- .downcast_ref::<T>()
- .expect("Pipeline with this type does not exist in Storage.")
- })
- }
-
- /// Returns a mutable reference to pipeline `T` if it exists in [`Storage`].
- pub fn get_mut<T: 'static>(&mut self) -> Option<&mut T> {
- self.pipelines.get_mut(&TypeId::of::<T>()).map(|pipeline| {
- pipeline
- .downcast_mut::<T>()
- .expect("Pipeline with this type does not exist in Storage.")
- })
- }
-}
diff --git a/wgpu/src/triangle.rs b/wgpu/src/triangle.rs
index 98ba41b3..8470ea39 100644
--- a/wgpu/src/triangle.rs
+++ b/wgpu/src/triangle.rs
@@ -501,14 +501,13 @@ impl Layer {
let mut last_is_solid = None;
for (index, mesh) in meshes.iter().enumerate() {
- let Some(clip_bounds) =
- bounds.intersection(&(mesh.clip_bounds() * transformation))
+ let Some(clip_bounds) = bounds
+ .intersection(&(mesh.clip_bounds() * transformation))
+ .and_then(Rectangle::snap)
else {
continue;
};
- let clip_bounds = clip_bounds.snap();
-
render_pass.set_scissor_rect(
clip_bounds.x,
clip_bounds.y,
diff --git a/widget/src/shader.rs b/widget/src/shader.rs
index 68112f83..fad2f4eb 100644
--- a/widget/src/shader.rs
+++ b/widget/src/shader.rs
@@ -13,12 +13,13 @@ use crate::core::widget::tree::{self, Tree};
use crate::core::widget::{self, Widget};
use crate::core::window;
use crate::core::{Clipboard, Element, Length, Rectangle, Shell, Size};
-use crate::renderer::wgpu::primitive::pipeline;
+use crate::renderer::wgpu::primitive;
use std::marker::PhantomData;
+pub use crate::graphics::Viewport;
pub use crate::renderer::wgpu::wgpu;
-pub use pipeline::{Primitive, Storage};
+pub use primitive::{Primitive, Storage};
/// A widget which can render custom shaders with Iced's `wgpu` backend.
///
@@ -60,7 +61,7 @@ impl<P, Message, Theme, Renderer> Widget<Message, Theme, Renderer>
for Shader<Message, P>
where
P: Program<Message>,
- Renderer: pipeline::Renderer,
+ Renderer: primitive::Renderer,
{
fn tag(&self) -> tree::Tag {
struct Tag<T>(T);
@@ -160,7 +161,7 @@ where
let bounds = layout.bounds();
let state = tree.state.downcast_ref::<P::State>();
- renderer.draw_pipeline_primitive(
+ renderer.draw_primitive(
bounds,
self.program.draw(state, cursor_position, bounds),
);
@@ -171,7 +172,7 @@ impl<'a, Message, Theme, Renderer, P> From<Shader<Message, P>>
for Element<'a, Message, Theme, Renderer>
where
Message: 'a,
- Renderer: pipeline::Renderer,
+ Renderer: primitive::Renderer,
P: Program<Message> + 'a,
{
fn from(
diff --git a/widget/src/shader/program.rs b/widget/src/shader/program.rs
index 6dd50404..902c7c3b 100644
--- a/widget/src/shader/program.rs
+++ b/widget/src/shader/program.rs
@@ -1,7 +1,7 @@
use crate::core::event;
use crate::core::mouse;
use crate::core::{Rectangle, Shell};
-use crate::renderer::wgpu::primitive::pipeline;
+use crate::renderer::wgpu::Primitive;
use crate::shader;
/// The state and logic of a [`Shader`] widget.
@@ -15,7 +15,7 @@ pub trait Program<Message> {
type State: Default + 'static;
/// The type of primitive this [`Program`] can draw.
- type Primitive: pipeline::Primitive + 'static;
+ type Primitive: Primitive + 'static;
/// Update the internal [`State`] of the [`Program`]. This can be used to reflect state changes
/// based on mouse & other events. You can use the [`Shell`] to publish messages, request a
generated by cgit (git 2.34.1) at 2025-10-31 02:38:40 +0000