summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorLibravatar Héctor Ramón Jiménez <hector0193@gmail.com>2020-05-19 22:55:12 +0200
committerLibravatar Héctor Ramón Jiménez <hector0193@gmail.com>2020-05-19 23:19:39 +0200
commit720e7756f2afe30706b6b1a7fbde86b9f15e1d8c (patch)
tree3a55248a4b25654b1d63b8c547fd0f653471606d
parente6180912488db4d59fbffcb46c5930282306cb92 (diff)
downloadiced-720e7756f2afe30706b6b1a7fbde86b9f15e1d8c.tar.gz
iced-720e7756f2afe30706b6b1a7fbde86b9f15e1d8c.tar.bz2
iced-720e7756f2afe30706b6b1a7fbde86b9f15e1d8c.zip
Move `Layer` to `iced_graphics`
-rw-r--r--glow/src/backend.rs291
-rw-r--r--glow/src/lib.rs1
-rw-r--r--glow/src/quad.rs33
-rw-r--r--glow/src/triangle.rs5
-rw-r--r--graphics/src/layer.rs266
-rw-r--r--graphics/src/lib.rs7
-rw-r--r--graphics/src/primitive.rs6
-rw-r--r--graphics/src/triangle.rs1
-rw-r--r--graphics/src/widget.rs4
-rw-r--r--graphics/src/widget/canvas/frame.rs2
-rw-r--r--graphics/src/widget/image.rs2
-rw-r--r--graphics/src/widget/svg.rs2
-rw-r--r--wgpu/src/backend.rs299
-rw-r--r--wgpu/src/image.rs57
-rw-r--r--wgpu/src/lib.rs1
-rw-r--r--wgpu/src/quad.rs30
-rw-r--r--wgpu/src/text.rs4
-rw-r--r--wgpu/src/triangle.rs38
18 files changed, 433 insertions, 616 deletions
diff --git a/glow/src/backend.rs b/glow/src/backend.rs
index 94683e56..fb6782e6 100644
--- a/glow/src/backend.rs
+++ b/glow/src/backend.rs
@@ -1,12 +1,13 @@
use crate::quad;
use crate::text;
use crate::triangle;
-use crate::{Quad, Settings, Transformation, Viewport};
+use crate::{Settings, Transformation, Viewport};
use iced_graphics::backend;
use iced_graphics::font;
+use iced_graphics::Layer;
use iced_graphics::Primitive;
use iced_native::mouse;
-use iced_native::{Background, Font, Point, Rectangle, Size, Vector};
+use iced_native::{Font, HorizontalAlignment, Size, VerticalAlignment};
/// A [`glow`] renderer.
///
@@ -18,30 +19,6 @@ pub struct Backend {
triangle_pipeline: triangle::Pipeline,
}
-struct Layer<'a> {
- bounds: Rectangle<u32>,
- quads: Vec<Quad>,
- text: Vec<glow_glyph::Section<'a>>,
- meshes: Vec<(Vector, Rectangle<u32>, &'a triangle::Mesh2D)>,
-}
-
-impl<'a> Layer<'a> {
- pub fn new(bounds: Rectangle<u32>) -> Self {
- Self {
- bounds,
- quads: Vec::new(),
- text: Vec::new(),
- meshes: Vec::new(),
- }
- }
-
- pub fn intersection(&self, rectangle: Rectangle) -> Option<Rectangle<u32>> {
- let layer_bounds: Rectangle<f32> = self.bounds.into();
-
- layer_bounds.intersection(&rectangle).map(Into::into)
- }
-}
-
impl Backend {
/// Creates a new [`Renderer`].
///
@@ -71,23 +48,14 @@ impl Backend {
viewport: &Viewport,
(primitive, mouse_interaction): &(Primitive, mouse::Interaction),
scale_factor: f64,
- overlay: &[T],
+ overlay_text: &[T],
) -> mouse::Interaction {
let (width, height) = viewport.dimensions();
let scale_factor = scale_factor as f32;
let transformation = viewport.transformation();
- let mut layers = Vec::new();
-
- layers.push(Layer::new(Rectangle {
- x: 0,
- y: 0,
- width: (width as f32 / scale_factor).round() as u32,
- height: (height as f32 / scale_factor).round() as u32,
- }));
-
- self.draw_primitive(Vector::new(0.0, 0.0), primitive, &mut layers);
- self.draw_overlay(overlay, &mut layers);
+ let mut layers = Layer::generate(primitive, viewport);
+ layers.push(Layer::overlay(overlay_text, viewport));
for layer in layers {
self.flush(
@@ -104,213 +72,6 @@ impl Backend {
*mouse_interaction
}
- fn draw_primitive<'a>(
- &mut self,
- translation: Vector,
- primitive: &'a Primitive,
- layers: &mut Vec<Layer<'a>>,
- ) {
- match primitive {
- Primitive::None => {}
- Primitive::Group { primitives } => {
- // TODO: Inspect a bit and regroup (?)
- for primitive in primitives {
- self.draw_primitive(translation, primitive, layers)
- }
- }
- Primitive::Text {
- content,
- bounds,
- size,
- color,
- font,
- horizontal_alignment,
- vertical_alignment,
- } => {
- let layer = layers.last_mut().unwrap();
-
- layer.text.push(glow_glyph::Section {
- text: &content,
- screen_position: (
- bounds.x + translation.x,
- bounds.y + translation.y,
- ),
- bounds: (bounds.width, bounds.height),
- scale: glow_glyph::Scale { x: *size, y: *size },
- color: color.into_linear(),
- font_id: self.text_pipeline.find_font(*font),
- layout: glow_glyph::Layout::default()
- .h_align(match horizontal_alignment {
- iced_native::HorizontalAlignment::Left => {
- glow_glyph::HorizontalAlign::Left
- }
- iced_native::HorizontalAlignment::Center => {
- glow_glyph::HorizontalAlign::Center
- }
- iced_native::HorizontalAlignment::Right => {
- glow_glyph::HorizontalAlign::Right
- }
- })
- .v_align(match vertical_alignment {
- iced_native::VerticalAlignment::Top => {
- glow_glyph::VerticalAlign::Top
- }
- iced_native::VerticalAlignment::Center => {
- glow_glyph::VerticalAlign::Center
- }
- iced_native::VerticalAlignment::Bottom => {
- glow_glyph::VerticalAlign::Bottom
- }
- }),
- ..Default::default()
- })
- }
- Primitive::Quad {
- bounds,
- background,
- border_radius,
- border_width,
- border_color,
- } => {
- let layer = layers.last_mut().unwrap();
-
- // TODO: Move some of these computations to the GPU (?)
- layer.quads.push(Quad {
- position: [
- bounds.x + translation.x,
- bounds.y + translation.y,
- ],
- scale: [bounds.width, bounds.height],
- color: match background {
- Background::Color(color) => color.into_linear(),
- },
- border_radius: *border_radius as f32,
- border_width: *border_width as f32,
- border_color: border_color.into_linear(),
- });
- }
- Primitive::Mesh2D { size, buffers } => {
- let layer = layers.last_mut().unwrap();
-
- // Only draw visible content
- if let Some(clip_bounds) = layer.intersection(Rectangle::new(
- Point::new(translation.x, translation.y),
- *size,
- )) {
- layer.meshes.push((
- translation,
- clip_bounds.into(),
- buffers,
- ));
- }
- }
- Primitive::Clip {
- bounds,
- offset,
- content,
- } => {
- let layer = layers.last_mut().unwrap();
-
- // Only draw visible content
- if let Some(clip_bounds) =
- layer.intersection(*bounds + translation)
- {
- let clip_layer = Layer::new(clip_bounds.into());
- let new_layer = Layer::new(layer.bounds);
-
- layers.push(clip_layer);
- self.draw_primitive(
- translation
- - Vector::new(offset.x as f32, offset.y as f32),
- content,
- layers,
- );
- layers.push(new_layer);
- }
- }
- Primitive::Translate {
- translation: new_translation,
- content,
- } => {
- self.draw_primitive(
- translation + *new_translation,
- &content,
- layers,
- );
- }
-
- Primitive::Cached { cache } => {
- self.draw_primitive(translation, &cache, layers);
- }
-
- #[cfg(feature = "image")]
- Primitive::Image { handle, bounds } => {
- let layer = layers.last_mut().unwrap();
-
- layer.images.push(Image {
- handle: image::Handle::Raster(handle.clone()),
- position: [
- bounds.x + translation.x,
- bounds.y + translation.y,
- ],
- size: [bounds.width, bounds.height],
- });
- }
- #[cfg(not(feature = "image"))]
- Primitive::Image { .. } => {}
-
- #[cfg(feature = "svg")]
- Primitive::Svg { handle, bounds } => {
- let layer = layers.last_mut().unwrap();
-
- layer.images.push(Image {
- handle: image::Handle::Vector(handle.clone()),
- position: [
- bounds.x + translation.x,
- bounds.y + translation.y,
- ],
- size: [bounds.width, bounds.height],
- });
- }
- #[cfg(not(feature = "svg"))]
- Primitive::Svg { .. } => {}
- }
- }
-
- fn draw_overlay<'a, T: AsRef<str>>(
- &mut self,
- lines: &'a [T],
- layers: &mut Vec<Layer<'a>>,
- ) {
- let first = layers.first().unwrap();
- let mut overlay = Layer::new(first.bounds);
-
- let font_id = self.text_pipeline.overlay_font();
- let scale = glow_glyph::Scale { x: 20.0, y: 20.0 };
-
- for (i, line) in lines.iter().enumerate() {
- overlay.text.push(glow_glyph::Section {
- text: line.as_ref(),
- screen_position: (11.0, 11.0 + 25.0 * i as f32),
- color: [0.9, 0.9, 0.9, 1.0],
- scale,
- font_id,
- ..glow_glyph::Section::default()
- });
-
- overlay.text.push(glow_glyph::Section {
- text: line.as_ref(),
- screen_position: (10.0, 10.0 + 25.0 * i as f32),
- color: [0.0, 0.0, 0.0, 1.0],
- scale,
- font_id,
- ..glow_glyph::Section::default()
- });
- }
-
- layers.push(overlay);
- }
-
fn flush(
&mut self,
gl: &glow::Context,
@@ -352,13 +113,14 @@ impl Backend {
for text in layer.text.iter() {
// Target physical coordinates directly to avoid blurry text
let text = glow_glyph::Section {
+ text: text.content,
// TODO: We `round` here to avoid rerasterizing text when
// its position changes slightly. This can make text feel a
// bit "jumpy". We may be able to do better once we improve
// our text rendering/caching pipeline.
screen_position: (
- (text.screen_position.0 * scale_factor).round(),
- (text.screen_position.1 * scale_factor).round(),
+ (text.bounds.x * scale_factor).round(),
+ (text.bounds.y * scale_factor).round(),
),
// TODO: Fix precision issues with some scale factors.
//
@@ -370,14 +132,39 @@ impl Backend {
// scaling when rendering. This would ensure that both
// measuring and rendering follow the same layout rules.
bounds: (
- (text.bounds.0 * scale_factor).ceil(),
- (text.bounds.1 * scale_factor).ceil(),
+ (text.bounds.width * scale_factor).ceil(),
+ (text.bounds.height * scale_factor).ceil(),
),
scale: glow_glyph::Scale {
- x: text.scale.x * scale_factor,
- y: text.scale.y * scale_factor,
+ x: text.size * scale_factor,
+ y: text.size * scale_factor,
},
- ..*text
+ color: text.color,
+ font_id: self.text_pipeline.find_font(text.font),
+ layout: glow_glyph::Layout::default()
+ .h_align(match text.horizontal_alignment {
+ HorizontalAlignment::Left => {
+ glow_glyph::HorizontalAlign::Left
+ }
+ HorizontalAlignment::Center => {
+ glow_glyph::HorizontalAlign::Center
+ }
+ HorizontalAlignment::Right => {
+ glow_glyph::HorizontalAlign::Right
+ }
+ })
+ .v_align(match text.vertical_alignment {
+ VerticalAlignment::Top => {
+ glow_glyph::VerticalAlign::Top
+ }
+ VerticalAlignment::Center => {
+ glow_glyph::VerticalAlign::Center
+ }
+ VerticalAlignment::Bottom => {
+ glow_glyph::VerticalAlign::Bottom
+ }
+ }),
+ ..Default::default()
};
self.text_pipeline.queue(text);
diff --git a/glow/src/lib.rs b/glow/src/lib.rs
index 724065bd..d40ed0ae 100644
--- a/glow/src/lib.rs
+++ b/glow/src/lib.rs
@@ -17,7 +17,6 @@ pub use settings::Settings;
pub(crate) use backend::Backend;
pub(crate) use iced_graphics::Transformation;
-pub(crate) use quad::Quad;
pub type Renderer = iced_graphics::Renderer<Backend>;
diff --git a/glow/src/quad.rs b/glow/src/quad.rs
index 744597d2..26424b39 100644
--- a/glow/src/quad.rs
+++ b/glow/src/quad.rs
@@ -1,7 +1,10 @@
use crate::{Transformation, Viewport};
use glow::HasContext;
+use iced_graphics::layer;
use iced_native::Rectangle;
+const MAX_INSTANCES: usize = 100_000;
+
#[derive(Debug)]
pub struct Pipeline {
program: <glow::Context as HasContext>::Program,
@@ -37,7 +40,7 @@ impl Pipeline {
}
let (vertex_array, instances) =
- unsafe { create_instance_buffer(gl, Quad::MAX) };
+ unsafe { create_instance_buffer(gl, MAX_INSTANCES) };
Pipeline {
program,
@@ -52,7 +55,7 @@ impl Pipeline {
&mut self,
gl: &glow::Context,
viewport: &Viewport,
- instances: &[Quad],
+ instances: &[layer::Quad],
transformation: Transformation,
scale: f32,
bounds: Rectangle<u32>,
@@ -97,7 +100,7 @@ impl Pipeline {
let total = instances.len();
while i < total {
- let end = (i + Quad::MAX).min(total);
+ let end = (i + MAX_INSTANCES).min(total);
let amount = end - i;
unsafe {
@@ -115,7 +118,7 @@ impl Pipeline {
);
}
- i += Quad::MAX;
+ i += MAX_INSTANCES;
}
unsafe {
@@ -126,24 +129,6 @@ impl Pipeline {
}
}
-#[derive(Debug, Clone, Copy)]
-#[repr(C)]
-pub struct Quad {
- pub position: [f32; 2],
- pub scale: [f32; 2],
- pub color: [f32; 4],
- pub border_color: [f32; 4],
- pub border_radius: f32,
- pub border_width: f32,
-}
-
-unsafe impl bytemuck::Zeroable for Quad {}
-unsafe impl bytemuck::Pod for Quad {}
-
-impl Quad {
- const MAX: usize = 100_000;
-}
-
unsafe fn create_program(
gl: &glow::Context,
shader_sources: &[(u32, &str)],
@@ -196,11 +181,11 @@ unsafe fn create_instance_buffer(
gl.bind_buffer(glow::ARRAY_BUFFER, Some(buffer));
gl.buffer_data_size(
glow::ARRAY_BUFFER,
- (size * std::mem::size_of::<Quad>()) as i32,
+ (size * std::mem::size_of::<layer::Quad>()) as i32,
glow::DYNAMIC_DRAW,
);
- let stride = std::mem::size_of::<Quad>() as i32;
+ let stride = std::mem::size_of::<layer::Quad>() as i32;
gl.enable_vertex_attrib_array(0);
gl.vertex_attrib_pointer_f32(0, 2, glow::FLOAT, false, stride, 0);
diff --git a/glow/src/triangle.rs b/glow/src/triangle.rs
index 8b21c0a8..5836f0cf 100644
--- a/glow/src/triangle.rs
+++ b/glow/src/triangle.rs
@@ -1,7 +1,6 @@
//! Draw meshes of triangles.
use crate::{settings, Transformation};
-use iced_native::{Rectangle, Vector};
-use std::mem;
+use iced_graphics::layer;
pub use iced_graphics::triangle::Mesh2D;
@@ -27,7 +26,7 @@ impl Pipeline {
target_height: u32,
transformation: Transformation,
scale_factor: f32,
- meshes: &[(Vector, Rectangle<u32>, &Mesh2D)],
+ meshes: &[layer::Mesh<'_>],
) {
}
}
diff --git a/graphics/src/layer.rs b/graphics/src/layer.rs
new file mode 100644
index 00000000..ae9c6ce0
--- /dev/null
+++ b/graphics/src/layer.rs
@@ -0,0 +1,266 @@
+use crate::image;
+use crate::svg;
+use crate::triangle;
+use crate::{
+ Background, Font, HorizontalAlignment, Point, Primitive, Rectangle, Size,
+ Vector, VerticalAlignment, Viewport,
+};
+
+pub struct Layer<'a> {
+ pub bounds: Rectangle<u32>,
+ pub quads: Vec<Quad>,
+ pub meshes: Vec<Mesh<'a>>,
+ pub text: Vec<Text<'a>>,
+ pub images: Vec<Image>,
+}
+
+impl<'a> Layer<'a> {
+ pub fn new(bounds: Rectangle<u32>) -> Self {
+ Self {
+ bounds,
+ quads: Vec::new(),
+ meshes: Vec::new(),
+ text: Vec::new(),
+ images: Vec::new(),
+ }
+ }
+
+ pub fn overlay(lines: &'a [impl AsRef<str>], viewport: &Viewport) -> Self {
+ let (width, height) = viewport.dimensions();
+
+ let mut overlay = Layer::new(Rectangle {
+ x: 0,
+ y: 0,
+ width,
+ height,
+ });
+
+ for (i, line) in lines.iter().enumerate() {
+ let text = Text {
+ content: line.as_ref(),
+ bounds: Rectangle::new(
+ Point::new(11.0, 11.0 + 25.0 * i as f32),
+ Size::INFINITY,
+ ),
+ color: [0.9, 0.9, 0.9, 1.0],
+ size: 20.0,
+ font: Font::Default,
+ horizontal_alignment: HorizontalAlignment::Left,
+ vertical_alignment: VerticalAlignment::Top,
+ };
+
+ overlay.text.push(text);
+
+ overlay.text.push(Text {
+ bounds: text.bounds + Vector::new(-1.0, -1.0),
+ color: [0.0, 0.0, 0.0, 1.0],
+ ..text
+ });
+ }
+
+ overlay
+ }
+
+ pub(crate) fn intersection(
+ &self,
+ rectangle: Rectangle,
+ ) -> Option<Rectangle<u32>> {
+ let layer_bounds: Rectangle<f32> = self.bounds.into();
+
+ layer_bounds.intersection(&rectangle).map(Into::into)
+ }
+
+ pub fn generate(
+ primitive: &'a Primitive,
+ viewport: &Viewport,
+ ) -> Vec<Self> {
+ let mut layers = Vec::new();
+ let (width, height) = viewport.dimensions();
+
+ layers.push(Layer::new(Rectangle {
+ x: 0,
+ y: 0,
+ width,
+ height,
+ }));
+
+ Self::process_primitive(&mut layers, Vector::new(0.0, 0.0), primitive);
+
+ layers
+ }
+
+ fn process_primitive(
+ layers: &mut Vec<Self>,
+ translation: Vector,
+ primitive: &'a Primitive,
+ ) {
+ match primitive {
+ Primitive::None => {}
+ Primitive::Group { primitives } => {
+ // TODO: Inspect a bit and regroup (?)
+ for primitive in primitives {
+ Self::process_primitive(layers, translation, primitive)
+ }
+ }
+ Primitive::Text {
+ content,
+ bounds,
+ size,
+ color,
+ font,
+ horizontal_alignment,
+ vertical_alignment,
+ } => {
+ let layer = layers.last_mut().unwrap();
+
+ layer.text.push(Text {
+ content,
+ bounds: *bounds + translation,
+ size: *size,
+ color: color.into_linear(),
+ font: *font,
+ horizontal_alignment: *horizontal_alignment,
+ vertical_alignment: *vertical_alignment,
+ });
+ }
+ Primitive::Quad {
+ bounds,
+ background,
+ border_radius,
+ border_width,
+ border_color,
+ } => {
+ let layer = layers.last_mut().unwrap();
+
+ // TODO: Move some of these computations to the GPU (?)
+ layer.quads.push(Quad {
+ position: [
+ bounds.x + translation.x,
+ bounds.y + translation.y,
+ ],
+ scale: [bounds.width, bounds.height],
+ color: match background {
+ Background::Color(color) => color.into_linear(),
+ },
+ border_radius: *border_radius as f32,
+ border_width: *border_width as f32,
+ border_color: border_color.into_linear(),
+ });
+ }
+ Primitive::Mesh2D { buffers, size } => {
+ let layer = layers.last_mut().unwrap();
+
+ let bounds = Rectangle::new(
+ Point::new(translation.x, translation.y),
+ *size,
+ );
+
+ // Only draw visible content
+ if let Some(clip_bounds) = layer.intersection(bounds) {
+ layer.meshes.push(Mesh {
+ origin: Point::new(translation.x, translation.y),
+ buffers,
+ clip_bounds: clip_bounds.into(),
+ });
+ }
+ }
+ Primitive::Clip {
+ bounds,
+ offset,
+ content,
+ } => {
+ let layer = layers.last_mut().unwrap();
+
+ // Only draw visible content
+ if let Some(clip_bounds) =
+ layer.intersection(*bounds + translation)
+ {
+ let clip_layer = Layer::new(clip_bounds.into());
+ let new_layer = Layer::new(layer.bounds);
+
+ layers.push(clip_layer);
+ Self::process_primitive(
+ layers,
+ translation
+ - Vector::new(offset.x as f32, offset.y as f32),
+ content,
+ );
+ layers.push(new_layer);
+ }
+ }
+ Primitive::Translate {
+ translation: new_translation,
+ content,
+ } => {
+ Self::process_primitive(
+ layers,
+ translation + *new_translation,
+ &content,
+ );
+ }
+ Primitive::Cached { cache } => {
+ Self::process_primitive(layers, translation, &cache);
+ }
+ Primitive::Image { handle, bounds } => {
+ let layer = layers.last_mut().unwrap();
+
+ layer.images.push(Image::Raster {
+ handle: handle.clone(),
+ bounds: *bounds + translation,
+ });
+ }
+ Primitive::Svg { handle, bounds } => {
+ let layer = layers.last_mut().unwrap();
+
+ layer.images.push(Image::Vector {
+ handle: handle.clone(),
+ bounds: *bounds + translation,
+ });
+ }
+ }
+ }
+}
+
+#[derive(Debug, Clone, Copy)]
+#[repr(C)]
+pub struct Quad {
+ pub position: [f32; 2],
+ pub scale: [f32; 2],
+ pub color: [f32; 4],
+ pub border_color: [f32; 4],
+ pub border_radius: f32,
+ pub border_width: f32,
+}
+
+#[derive(Debug, Clone, Copy)]
+pub struct Mesh<'a> {
+ pub origin: Point,
+ pub buffers: &'a triangle::Mesh2D,
+ pub clip_bounds: Rectangle<u32>,
+}
+
+#[derive(Debug, Clone, Copy)]
+pub struct Text<'a> {
+ pub content: &'a str,
+ pub bounds: Rectangle,
+ pub color: [f32; 4],
+ pub size: f32,
+ pub font: Font,
+ pub horizontal_alignment: HorizontalAlignment,
+ pub vertical_alignment: VerticalAlignment,
+}
+
+#[derive(Debug, Clone)]
+pub enum Image {
+ Raster {
+ handle: image::Handle,
+ bounds: Rectangle,
+ },
+ Vector {
+ handle: svg::Handle,
+ bounds: Rectangle,
+ },
+}
+
+unsafe impl bytemuck::Zeroable for Quad {}
+unsafe impl bytemuck::Pod for Quad {}
diff --git a/graphics/src/lib.rs b/graphics/src/lib.rs
index 5dc4040f..5ab333c7 100644
--- a/graphics/src/lib.rs
+++ b/graphics/src/lib.rs
@@ -8,6 +8,7 @@ mod widget;
pub mod backend;
pub mod font;
+pub mod layer;
pub mod triangle;
#[doc(no_inline)]
@@ -16,7 +17,13 @@ pub use widget::*;
pub use antialiasing::Antialiasing;
pub use backend::Backend;
pub use defaults::Defaults;
+pub use layer::Layer;
pub use primitive::Primitive;
pub use renderer::Renderer;
pub use transformation::Transformation;
pub use viewport::Viewport;
+
+pub use iced_native::{
+ Background, Font, HorizontalAlignment, Point, Rectangle, Size, Vector,
+ VerticalAlignment,
+};
diff --git a/graphics/src/primitive.rs b/graphics/src/primitive.rs
index e73227ef..95dbf7dd 100644
--- a/graphics/src/primitive.rs
+++ b/graphics/src/primitive.rs
@@ -82,13 +82,13 @@ pub enum Primitive {
///
/// It can be used to render many kinds of geometry freely.
Mesh2D {
+ /// The vertex and index buffers of the mesh
+ buffers: triangle::Mesh2D,
+
/// The size of the drawable region of the mesh.
///
/// Any geometry that falls out of this region will be clipped.
size: Size,
-
- /// The vertex and index buffers of the mesh
- buffers: triangle::Mesh2D,
},
/// A cached primitive.
///
diff --git a/graphics/src/triangle.rs b/graphics/src/triangle.rs
index 2b157e3a..474f69b8 100644
--- a/graphics/src/triangle.rs
+++ b/graphics/src/triangle.rs
@@ -5,6 +5,7 @@
pub struct Mesh2D {
/// The vertices of the mesh
pub vertices: Vec<Vertex2D>,
+
/// The list of vertex indices that defines the triangles of the mesh.
///
/// Therefore, this list should always have a length that is a multiple of
diff --git a/graphics/src/widget.rs b/graphics/src/widget.rs
index d9c91d77..1f6d6559 100644
--- a/graphics/src/widget.rs
+++ b/graphics/src/widget.rs
@@ -10,18 +10,18 @@
pub mod button;
pub mod checkbox;
pub mod container;
+pub mod image;
pub mod pane_grid;
pub mod progress_bar;
pub mod radio;
pub mod scrollable;
pub mod slider;
+pub mod svg;
pub mod text_input;
mod column;
-mod image;
mod row;
mod space;
-mod svg;
mod text;
#[doc(no_inline)]
diff --git a/graphics/src/widget/canvas/frame.rs b/graphics/src/widget/canvas/frame.rs
index 5262ab4e..48d28d95 100644
--- a/graphics/src/widget/canvas/frame.rs
+++ b/graphics/src/widget/canvas/frame.rs
@@ -304,11 +304,11 @@ impl Frame {
pub fn into_geometry(mut self) -> Geometry {
if !self.buffers.indices.is_empty() {
self.primitives.push(Primitive::Mesh2D {
- size: self.size,
buffers: triangle::Mesh2D {
vertices: self.buffers.vertices,
indices: self.buffers.indices,
},
+ size: self.size,
});
}
diff --git a/graphics/src/widget/image.rs b/graphics/src/widget/image.rs
index 79d82cb1..ea49febe 100644
--- a/graphics/src/widget/image.rs
+++ b/graphics/src/widget/image.rs
@@ -4,7 +4,7 @@ use iced_native::image;
use iced_native::mouse;
use iced_native::Layout;
-pub use iced_native::Image;
+pub use iced_native::image::{Handle, Image};
impl<B> image::Renderer for Renderer<B>
where
diff --git a/graphics/src/widget/svg.rs b/graphics/src/widget/svg.rs
index b1aa7cea..8c681478 100644
--- a/graphics/src/widget/svg.rs
+++ b/graphics/src/widget/svg.rs
@@ -2,7 +2,7 @@ use crate::backend::{self, Backend};
use crate::{Primitive, Renderer};
use iced_native::{mouse, svg, Layout};
-pub use iced_native::Svg;
+pub use iced_native::svg::{Handle, Svg};
impl<B> svg::Renderer for Renderer<B>
where
diff --git a/wgpu/src/backend.rs b/wgpu/src/backend.rs
index 073a79e2..82e4c4b2 100644
--- a/wgpu/src/backend.rs
+++ b/wgpu/src/backend.rs
@@ -1,15 +1,16 @@
use crate::quad;
use crate::text;
use crate::triangle;
-use crate::{Quad, Settings, Target, Transformation};
+use crate::{Settings, Target, Transformation};
use iced_graphics::backend;
use iced_graphics::font;
+use iced_graphics::layer::Layer;
use iced_graphics::Primitive;
use iced_native::mouse;
-use iced_native::{Background, Font, Point, Rectangle, Size, Vector};
+use iced_native::{Font, HorizontalAlignment, Size, VerticalAlignment};
#[cfg(any(feature = "image", feature = "svg"))]
-use crate::image::{self, Image};
+use crate::image;
/// A [`wgpu`] renderer.
///
@@ -24,36 +25,6 @@ pub struct Backend {
image_pipeline: image::Pipeline,
}
-struct Layer<'a> {
- bounds: Rectangle<u32>,
- quads: Vec<Quad>,
- meshes: Vec<(Vector, Rectangle<u32>, &'a triangle::Mesh2D)>,
- text: Vec<wgpu_glyph::Section<'a>>,
-
- #[cfg(any(feature = "image", feature = "svg"))]
- images: Vec<Image>,
-}
-
-impl<'a> Layer<'a> {
- pub fn new(bounds: Rectangle<u32>) -> Self {
- Self {
- bounds,
- quads: Vec::new(),
- text: Vec::new(),
- meshes: Vec::new(),
-
- #[cfg(any(feature = "image", feature = "svg"))]
- images: Vec::new(),
- }
- }
-
- pub fn intersection(&self, rectangle: Rectangle) -> Option<Rectangle<u32>> {
- let layer_bounds: Rectangle<f32> = self.bounds.into();
-
- layer_bounds.intersection(&rectangle).map(Into::into)
- }
-}
-
impl Backend {
/// Creates a new [`Renderer`].
///
@@ -94,7 +65,7 @@ impl Backend {
target: Target<'_>,
(primitive, mouse_interaction): &(Primitive, mouse::Interaction),
scale_factor: f64,
- overlay: &[T],
+ overlay_text: &[T],
) -> mouse::Interaction {
log::debug!("Drawing");
@@ -102,17 +73,8 @@ impl Backend {
let scale_factor = scale_factor as f32;
let transformation = target.viewport.transformation();
- let mut layers = Vec::new();
-
- layers.push(Layer::new(Rectangle {
- x: 0,
- y: 0,
- width,
- height,
- }));
-
- self.draw_primitive(Vector::new(0.0, 0.0), primitive, &mut layers);
- self.draw_overlay(overlay, &mut layers);
+ let mut layers = Layer::generate(primitive, &target.viewport);
+ layers.push(Layer::overlay(overlay_text, &target.viewport));
for layer in layers {
self.flush(
@@ -133,213 +95,6 @@ impl Backend {
*mouse_interaction
}
- fn draw_primitive<'a>(
- &mut self,
- translation: Vector,
- primitive: &'a Primitive,
- layers: &mut Vec<Layer<'a>>,
- ) {
- match primitive {
- Primitive::None => {}
- Primitive::Group { primitives } => {
- // TODO: Inspect a bit and regroup (?)
- for primitive in primitives {
- self.draw_primitive(translation, primitive, layers)
- }
- }
- Primitive::Text {
- content,
- bounds,
- size,
- color,
- font,
- horizontal_alignment,
- vertical_alignment,
- } => {
- let layer = layers.last_mut().unwrap();
-
- layer.text.push(wgpu_glyph::Section {
- text: &content,
- screen_position: (
- bounds.x + translation.x,
- bounds.y + translation.y,
- ),
- bounds: (bounds.width, bounds.height),
- scale: wgpu_glyph::Scale { x: *size, y: *size },
- color: color.into_linear(),
- font_id: self.text_pipeline.find_font(*font),
- layout: wgpu_glyph::Layout::default()
- .h_align(match horizontal_alignment {
- iced_native::HorizontalAlignment::Left => {
- wgpu_glyph::HorizontalAlign::Left
- }
- iced_native::HorizontalAlignment::Center => {
- wgpu_glyph::HorizontalAlign::Center
- }
- iced_native::HorizontalAlignment::Right => {
- wgpu_glyph::HorizontalAlign::Right
- }
- })
- .v_align(match vertical_alignment {
- iced_native::VerticalAlignment::Top => {
- wgpu_glyph::VerticalAlign::Top
- }
- iced_native::VerticalAlignment::Center => {
- wgpu_glyph::VerticalAlign::Center
- }
- iced_native::VerticalAlignment::Bottom => {
- wgpu_glyph::VerticalAlign::Bottom
- }
- }),
- ..Default::default()
- })
- }
- Primitive::Quad {
- bounds,
- background,
- border_radius,
- border_width,
- border_color,
- } => {
- let layer = layers.last_mut().unwrap();
-
- // TODO: Move some of these computations to the GPU (?)
- layer.quads.push(Quad {
- position: [
- bounds.x + translation.x,
- bounds.y + translation.y,
- ],
- scale: [bounds.width, bounds.height],
- color: match background {
- Background::Color(color) => color.into_linear(),
- },
- border_radius: *border_radius as f32,
- border_width: *border_width as f32,
- border_color: border_color.into_linear(),
- });
- }
- Primitive::Mesh2D { size, buffers } => {
- let layer = layers.last_mut().unwrap();
-
- // Only draw visible content
- if let Some(clip_bounds) = layer.intersection(Rectangle::new(
- Point::new(translation.x, translation.y),
- *size,
- )) {
- layer.meshes.push((
- translation,
- clip_bounds.into(),
- buffers,
- ));
- }
- }
- Primitive::Clip {
- bounds,
- offset,
- content,
- } => {
- let layer = layers.last_mut().unwrap();
-
- // Only draw visible content
- if let Some(clip_bounds) =
- layer.intersection(*bounds + translation)
- {
- let clip_layer = Layer::new(clip_bounds.into());
- let new_layer = Layer::new(layer.bounds);
-
- layers.push(clip_layer);
- self.draw_primitive(
- translation
- - Vector::new(offset.x as f32, offset.y as f32),
- content,
- layers,
- );
- layers.push(new_layer);
- }
- }
- Primitive::Translate {
- translation: new_translation,
- content,
- } => {
- self.draw_primitive(
- translation + *new_translation,
- &content,
- layers,
- );
- }
-
- Primitive::Cached { cache } => {
- self.draw_primitive(translation, &cache, layers);
- }
-
- #[cfg(feature = "image")]
- Primitive::Image { handle, bounds } => {
- let layer = layers.last_mut().unwrap();
-
- layer.images.push(Image {
- handle: image::Handle::Raster(handle.clone()),
- position: [
- bounds.x + translation.x,
- bounds.y + translation.y,
- ],
- size: [bounds.width, bounds.height],
- });
- }
- #[cfg(not(feature = "image"))]
- Primitive::Image { .. } => {}
-
- #[cfg(feature = "svg")]
- Primitive::Svg { handle, bounds } => {
- let layer = layers.last_mut().unwrap();
-
- layer.images.push(Image {
- handle: image::Handle::Vector(handle.clone()),
- position: [
- bounds.x + translation.x,
- bounds.y + translation.y,
- ],
- size: [bounds.width, bounds.height],
- });
- }
- #[cfg(not(feature = "svg"))]
- Primitive::Svg { .. } => {}
- }
- }
-
- fn draw_overlay<'a, T: AsRef<str>>(
- &mut self,
- lines: &'a [T],
- layers: &mut Vec<Layer<'a>>,
- ) {
- let first = layers.first().unwrap();
- let mut overlay = Layer::new(first.bounds);
-
- let font_id = self.text_pipeline.overlay_font();
- let scale = wgpu_glyph::Scale { x: 20.0, y: 20.0 };
-
- for (i, line) in lines.iter().enumerate() {
- overlay.text.push(wgpu_glyph::Section {
- text: line.as_ref(),
- screen_position: (11.0, 11.0 + 25.0 * i as f32),
- color: [0.9, 0.9, 0.9, 1.0],
- scale,
- font_id,
- ..wgpu_glyph::Section::default()
- });
-
- overlay.text.push(wgpu_glyph::Section {
- text: line.as_ref(),
- screen_position: (10.0, 10.0 + 25.0 * i as f32),
- color: [0.0, 0.0, 0.0, 1.0],
- scale,
- font_id,
- ..wgpu_glyph::Section::default()
- });
- }
-
- layers.push(overlay);
- }
-
fn flush(
&mut self,
device: &wgpu::Device,
@@ -403,13 +158,14 @@ impl Backend {
for text in layer.text.iter() {
// Target physical coordinates directly to avoid blurry text
let text = wgpu_glyph::Section {
+ text: text.content,
// TODO: We `round` here to avoid rerasterizing text when
// its position changes slightly. This can make text feel a
// bit "jumpy". We may be able to do better once we improve
// our text rendering/caching pipeline.
screen_position: (
- (text.screen_position.0 * scale_factor).round(),
- (text.screen_position.1 * scale_factor).round(),
+ (text.bounds.x * scale_factor).round(),
+ (text.bounds.y * scale_factor).round(),
),
// TODO: Fix precision issues with some scale factors.
//
@@ -421,14 +177,39 @@ impl Backend {
// scaling when rendering. This would ensure that both
// measuring and rendering follow the same layout rules.
bounds: (
- (text.bounds.0 * scale_factor).ceil(),
- (text.bounds.1 * scale_factor).ceil(),
+ (text.bounds.width * scale_factor).ceil(),
+ (text.bounds.height * scale_factor).ceil(),
),
scale: wgpu_glyph::Scale {
- x: text.scale.x * scale_factor,
- y: text.scale.y * scale_factor,
+ x: text.size * scale_factor,
+ y: text.size * scale_factor,
},
- ..*text
+ color: text.color,
+ font_id: self.text_pipeline.find_font(text.font),
+ layout: wgpu_glyph::Layout::default()
+ .h_align(match text.horizontal_alignment {
+ HorizontalAlignment::Left => {
+ wgpu_glyph::HorizontalAlign::Left
+ }
+ HorizontalAlignment::Center => {
+ wgpu_glyph::HorizontalAlign::Center
+ }
+ HorizontalAlignment::Right => {
+ wgpu_glyph::HorizontalAlign::Right
+ }
+ })
+ .v_align(match text.vertical_alignment {
+ VerticalAlignment::Top => {
+ wgpu_glyph::VerticalAlign::Top
+ }
+ VerticalAlignment::Center => {
+ wgpu_glyph::VerticalAlign::Center
+ }
+ VerticalAlignment::Bottom => {
+ wgpu_glyph::VerticalAlign::Bottom
+ }
+ }),
+ ..Default::default()
};
self.text_pipeline.queue(text);
diff --git a/wgpu/src/image.rs b/wgpu/src/image.rs
index ea5dc09d..49f1d29c 100644
--- a/wgpu/src/image.rs
+++ b/wgpu/src/image.rs
@@ -9,6 +9,7 @@ mod vector;
use crate::Transformation;
use atlas::Atlas;
+use iced_graphics::layer;
use iced_native::Rectangle;
use std::cell::RefCell;
use std::mem;
@@ -282,7 +283,7 @@ impl Pipeline {
&mut self,
device: &wgpu::Device,
encoder: &mut wgpu::CommandEncoder,
- images: &[Image],
+ images: &[layer::Image],
transformation: Transformation,
bounds: Rectangle<u32>,
target: &wgpu::TextureView,
@@ -297,31 +298,48 @@ impl Pipeline {
let mut vector_cache = self.vector_cache.borrow_mut();
for image in images {
- match &image.handle {
+ match &image {
#[cfg(feature = "image")]
- Handle::Raster(handle) => {
+ layer::Image::Raster { handle, bounds } => {
if let Some(atlas_entry) = raster_cache.upload(
handle,
device,
encoder,
&mut self.texture_atlas,
) {
- add_instances(image, atlas_entry, instances);
+ add_instances(
+ [bounds.x, bounds.y],
+ [bounds.width, bounds.height],
+ atlas_entry,
+ instances,
+ );
}
}
+ #[cfg(not(feature = "image"))]
+ layer::Image::Raster { .. } => {}
+
#[cfg(feature = "svg")]
- Handle::Vector(handle) => {
+ layer::Image::Vector { handle, bounds } => {
+ let size = [bounds.width, bounds.height];
+
if let Some(atlas_entry) = vector_cache.upload(
handle,
- image.size,
+ size,
_scale,
device,
encoder,
&mut self.texture_atlas,
) {
- add_instances(image, atlas_entry, instances);
+ add_instances(
+ [bounds.x, bounds.y],
+ size,
+ atlas_entry,
+ instances,
+ );
}
}
+ #[cfg(not(feature = "svg"))]
+ layer::Image::Vector { .. } => {}
}
}
@@ -437,20 +455,6 @@ impl Pipeline {
}
}
-pub struct Image {
- pub handle: Handle,
- pub position: [f32; 2],
- pub size: [f32; 2],
-}
-
-pub enum Handle {
- #[cfg(feature = "image")]
- Raster(image::Handle),
-
- #[cfg(feature = "svg")]
- Vector(svg::Handle),
-}
-
#[repr(C)]
#[derive(Clone, Copy, AsBytes)]
pub struct Vertex {
@@ -495,22 +499,23 @@ struct Uniforms {
}
fn add_instances(
- image: &Image,
+ image_position: [f32; 2],
+ image_size: [f32; 2],
entry: &atlas::Entry,
instances: &mut Vec<Instance>,
) {
match entry {
atlas::Entry::Contiguous(allocation) => {
- add_instance(image.position, image.size, allocation, instances);
+ add_instance(image_position, image_size, allocation, instances);
}
atlas::Entry::Fragmented { fragments, size } => {
- let scaling_x = image.size[0] / size.0 as f32;
- let scaling_y = image.size[1] / size.1 as f32;
+ let scaling_x = image_size[0] / size.0 as f32;
+ let scaling_y = image_size[1] / size.1 as f32;
for fragment in fragments {
let allocation = &fragment.allocation;
- let [x, y] = image.position;
+ let [x, y] = image_position;
let (fragment_x, fragment_y) = fragment.position;
let (fragment_width, fragment_height) = allocation.size();
diff --git a/wgpu/src/lib.rs b/wgpu/src/lib.rs
index 99897e60..74007eae 100644
--- a/wgpu/src/lib.rs
+++ b/wgpu/src/lib.rs
@@ -48,7 +48,6 @@ pub use target::Target;
pub use widget::*;
pub(crate) use iced_graphics::Transformation;
-pub(crate) use quad::Quad;
pub type Renderer = iced_graphics::Renderer<Backend>;
diff --git a/wgpu/src/quad.rs b/wgpu/src/quad.rs
index 0c2d2244..0b62f44f 100644
--- a/wgpu/src/quad.rs
+++ b/wgpu/src/quad.rs
@@ -1,4 +1,5 @@
use crate::Transformation;
+use iced_graphics::layer;
use iced_native::Rectangle;
use std::mem;
@@ -107,7 +108,7 @@ impl Pipeline {
}],
},
wgpu::VertexBufferDescriptor {
- stride: mem::size_of::<Quad>() as u64,
+ stride: mem::size_of::<layer::Quad>() as u64,
step_mode: wgpu::InputStepMode::Instance,
attributes: &[
wgpu::VertexAttributeDescriptor {
@@ -161,7 +162,7 @@ impl Pipeline {
let instances = device.create_buffer(&wgpu::BufferDescriptor {
label: None,
- size: mem::size_of::<Quad>() as u64 * Quad::MAX as u64,
+ size: mem::size_of::<layer::Quad>() as u64 * MAX_INSTANCES as u64,
usage: wgpu::BufferUsage::VERTEX | wgpu::BufferUsage::COPY_DST,
});
@@ -179,7 +180,7 @@ impl Pipeline {
&mut self,
device: &wgpu::Device,
encoder: &mut wgpu::CommandEncoder,
- instances: &[Quad],
+ instances: &[layer::Quad],
transformation: Transformation,
scale: f32,
bounds: Rectangle<u32>,
@@ -204,11 +205,11 @@ impl Pipeline {
let total = instances.len();
while i < total {
- let end = (i + Quad::MAX).min(total);
+ let end = (i + MAX_INSTANCES).min(total);
let amount = end - i;
let instance_buffer = device.create_buffer_with_data(
- &instances[i..end].as_bytes(),
+ bytemuck::cast_slice(&instances[i..end]),
wgpu::BufferUsage::COPY_SRC,
);
@@ -217,7 +218,7 @@ impl Pipeline {
0,
&self.instances,
0,
- (mem::size_of::<Quad>() * amount) as u64,
+ (mem::size_of::<layer::Quad>() * amount) as u64,
);
{
@@ -260,7 +261,7 @@ impl Pipeline {
);
}
- i += Quad::MAX;
+ i += MAX_INSTANCES;
}
}
}
@@ -288,20 +289,7 @@ const QUAD_VERTS: [Vertex; 4] = [
},
];
-#[repr(C)]
-#[derive(Debug, Clone, Copy, AsBytes)]
-pub struct Quad {
- pub position: [f32; 2],
- pub scale: [f32; 2],
- pub color: [f32; 4],
- pub border_color: [f32; 4],
- pub border_radius: f32,
- pub border_width: f32,
-}
-
-impl Quad {
- const MAX: usize = 100_000;
-}
+const MAX_INSTANCES: usize = 100_000;
#[repr(C)]
#[derive(Debug, Clone, Copy, AsBytes)]
diff --git a/wgpu/src/text.rs b/wgpu/src/text.rs
index c1782fe5..17d3f6dd 100644
--- a/wgpu/src/text.rs
+++ b/wgpu/src/text.rs
@@ -57,10 +57,6 @@ impl Pipeline {
}
}
- pub fn overlay_font(&self) -> wgpu_glyph::FontId {
- wgpu_glyph::FontId(0)
- }
-
pub fn queue(&mut self, section: wgpu_glyph::Section<'_>) {
self.draw_brush.borrow_mut().queue(section);
}
diff --git a/wgpu/src/triangle.rs b/wgpu/src/triangle.rs
index a71bcedc..31975005 100644
--- a/wgpu/src/triangle.rs
+++ b/wgpu/src/triangle.rs
@@ -1,6 +1,6 @@
//! Draw meshes of triangles.
use crate::{settings, Transformation};
-use iced_native::{Rectangle, Vector};
+use iced_graphics::layer;
use std::mem;
use zerocopy::AsBytes;
@@ -204,14 +204,16 @@ impl Pipeline {
target_height: u32,
transformation: Transformation,
scale_factor: f32,
- meshes: &[(Vector, Rectangle<u32>, &Mesh2D)],
+ meshes: &[layer::Mesh<'_>],
) {
// This looks a bit crazy, but we are just counting how many vertices
// and indices we will need to handle.
// TODO: Improve readability
let (total_vertices, total_indices) = meshes
.iter()
- .map(|(_, _, mesh)| (mesh.vertices.len(), mesh.indices.len()))
+ .map(|layer::Mesh { buffers, .. }| {
+ (buffers.vertices.len(), buffers.indices.len())
+ })
.fold((0, 0), |(total_v, total_i), (v, i)| {
(total_v + v, total_i + i)
});
@@ -232,18 +234,18 @@ impl Pipeline {
let mut last_index = 0;
// We upload everything upfront
- for (origin, _, mesh) in meshes {
+ for mesh in meshes {
let transform = (transformation
- * Transformation::translate(origin.x, origin.y))
+ * Transformation::translate(mesh.origin.x, mesh.origin.y))
.into();
let vertex_buffer = device.create_buffer_with_data(
- bytemuck::cast_slice(&mesh.vertices),
+ bytemuck::cast_slice(&mesh.buffers.vertices),
wgpu::BufferUsage::COPY_SRC,
);
let index_buffer = device.create_buffer_with_data(
- mesh.indices.as_bytes(),
+ mesh.buffers.indices.as_bytes(),
wgpu::BufferUsage::COPY_SRC,
);
@@ -252,7 +254,8 @@ impl Pipeline {
0,
&self.vertex_buffer.raw,
(std::mem::size_of::<Vertex2D>() * last_vertex) as u64,
- (std::mem::size_of::<Vertex2D>() * mesh.vertices.len()) as u64,
+ (std::mem::size_of::<Vertex2D>() * mesh.buffers.vertices.len())
+ as u64,
);
encoder.copy_buffer_to_buffer(
@@ -260,18 +263,19 @@ impl Pipeline {
0,
&self.index_buffer.raw,
(std::mem::size_of::<u32>() * last_index) as u64,
- (std::mem::size_of::<u32>() * mesh.indices.len()) as u64,
+ (std::mem::size_of::<u32>() * mesh.buffers.indices.len())
+ as u64,
);
uniforms.push(transform);
offsets.push((
last_vertex as u64,
last_index as u64,
- mesh.indices.len(),
+ mesh.buffers.indices.len(),
));
- last_vertex += mesh.vertices.len();
- last_index += mesh.indices.len();
+ last_vertex += mesh.buffers.vertices.len();
+ last_index += mesh.buffers.indices.len();
}
let uniforms_buffer = device.create_buffer_with_data(
@@ -322,13 +326,13 @@ impl Pipeline {
for (i, (vertex_offset, index_offset, indices)) in
offsets.into_iter().enumerate()
{
- let bounds = meshes[i].1 * scale_factor;
+ let clip_bounds = meshes[i].clip_bounds * scale_factor;
render_pass.set_scissor_rect(
- bounds.x,
- bounds.y,
- bounds.width,
- bounds.height,
+ clip_bounds.x,
+ clip_bounds.y,
+ clip_bounds.width,
+ clip_bounds.height,
);
render_pass.set_bind_group(