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-rw-r--r--wgpu/src/renderer.rs229
1 files changed, 132 insertions, 97 deletions
diff --git a/wgpu/src/renderer.rs b/wgpu/src/renderer.rs
index 29adcfb6..c06af339 100644
--- a/wgpu/src/renderer.rs
+++ b/wgpu/src/renderer.rs
@@ -1,12 +1,15 @@
use crate::{
- image, quad, text, triangle, Defaults, Image, Primitive, Quad, Settings,
- Target, Transformation,
+ quad, text, triangle, Defaults, Primitive, Quad, Settings, Target,
+ Transformation,
};
+
+#[cfg(any(feature = "image", feature = "svg"))]
+use crate::image::{self, Image};
+
use iced_native::{
layout, Background, Color, Layout, MouseCursor, Point, Rectangle, Vector,
Widget,
};
-use std::sync::Arc;
mod widget;
@@ -16,29 +19,33 @@ mod widget;
#[derive(Debug)]
pub struct Renderer {
quad_pipeline: quad::Pipeline,
- image_pipeline: image::Pipeline,
text_pipeline: text::Pipeline,
- triangle_pipeline: crate::triangle::Pipeline,
+ triangle_pipeline: triangle::Pipeline,
+
+ #[cfg(any(feature = "image", feature = "svg"))]
+ image_pipeline: image::Pipeline,
}
struct Layer<'a> {
bounds: Rectangle<u32>,
- offset: Vector<u32>,
quads: Vec<Quad>,
- images: Vec<Image>,
- meshes: Vec<(Point, Arc<triangle::Mesh2D>)>,
+ meshes: Vec<(Point, &'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>, offset: Vector<u32>) -> Self {
+ pub fn new(bounds: Rectangle<u32>) -> Self {
Self {
bounds,
- offset,
quads: Vec::new(),
- images: Vec::new(),
text: Vec::new(),
meshes: Vec::new(),
+
+ #[cfg(any(feature = "image", feature = "svg"))]
+ images: Vec::new(),
}
}
}
@@ -48,17 +55,25 @@ impl Renderer {
///
/// [`Renderer`]: struct.Renderer.html
pub fn new(device: &mut wgpu::Device, settings: Settings) -> Self {
- let text_pipeline = text::Pipeline::new(device, settings.default_font);
- let quad_pipeline = quad::Pipeline::new(device);
- let image_pipeline = crate::image::Pipeline::new(device);
- let triangle_pipeline =
- triangle::Pipeline::new(device, settings.antialiasing);
+ let text_pipeline =
+ text::Pipeline::new(device, settings.format, settings.default_font);
+ let quad_pipeline = quad::Pipeline::new(device, settings.format);
+ let triangle_pipeline = triangle::Pipeline::new(
+ device,
+ settings.format,
+ settings.antialiasing,
+ );
+
+ #[cfg(any(feature = "image", feature = "svg"))]
+ let image_pipeline = image::Pipeline::new(device, settings.format);
Self {
quad_pipeline,
- image_pipeline,
text_pipeline,
triangle_pipeline,
+
+ #[cfg(any(feature = "image", feature = "svg"))]
+ image_pipeline,
}
}
@@ -85,17 +100,14 @@ impl Renderer {
let mut layers = Vec::new();
- layers.push(Layer::new(
- Rectangle {
- x: 0,
- y: 0,
- width: u32::from(width),
- height: u32::from(height),
- },
- Vector::new(0, 0),
- ));
-
- self.draw_primitive(primitive, &mut layers);
+ layers.push(Layer::new(Rectangle {
+ x: 0,
+ y: 0,
+ width: u32::from(width),
+ height: u32::from(height),
+ }));
+
+ self.draw_primitive(Vector::new(0.0, 0.0), primitive, &mut layers);
self.draw_overlay(overlay, &mut layers);
for layer in layers {
@@ -111,6 +123,7 @@ impl Renderer {
);
}
+ #[cfg(any(feature = "image", feature = "svg"))]
self.image_pipeline.trim_cache();
*mouse_cursor
@@ -118,17 +131,16 @@ impl Renderer {
fn draw_primitive<'a>(
&mut self,
+ translation: Vector,
primitive: &'a Primitive,
layers: &mut Vec<Layer<'a>>,
) {
- let layer = layers.last_mut().unwrap();
-
match primitive {
Primitive::None => {}
Primitive::Group { primitives } => {
// TODO: Inspect a bit and regroup (?)
for primitive in primitives {
- self.draw_primitive(primitive, layers)
+ self.draw_primitive(translation, primitive, layers)
}
}
Primitive::Text {
@@ -160,12 +172,11 @@ impl Renderer {
}
};
+ let layer = layers.last_mut().unwrap();
+
layer.text.push(wgpu_glyph::Section {
text: &content,
- screen_position: (
- x - layer.offset.x as f32,
- y - layer.offset.y as f32,
- ),
+ screen_position: (x + translation.x, y + translation.y),
bounds: (bounds.width, bounds.height),
scale: wgpu_glyph::Scale { x: *size, y: *size },
color: color.into_linear(),
@@ -203,11 +214,13 @@ impl Renderer {
border_width,
border_color,
} => {
- // TODO: Move some of this computations to the GPU (?)
+ let layer = layers.last_mut().unwrap();
+
+ // TODO: Move some of these computations to the GPU (?)
layer.quads.push(Quad {
position: [
- bounds.x - layer.offset.x as f32,
- bounds.y - layer.offset.y as f32,
+ bounds.x + translation.x,
+ bounds.y + translation.y,
],
scale: [bounds.width, bounds.height],
color: match background {
@@ -218,54 +231,81 @@ impl Renderer {
border_color: border_color.into_linear(),
});
}
- Primitive::Image { handle, bounds } => {
- layer.images.push(Image {
- handle: image::Handle::Raster(handle.clone()),
- position: [bounds.x, bounds.y],
- scale: [bounds.width, bounds.height],
- });
- }
- Primitive::Svg { handle, bounds } => {
- layer.images.push(Image {
- handle: image::Handle::Vector(handle.clone()),
- position: [bounds.x, bounds.y],
- scale: [bounds.width, bounds.height],
- });
- }
Primitive::Mesh2D { origin, buffers } => {
- layer.meshes.push((*origin, buffers.clone()));
+ let layer = layers.last_mut().unwrap();
+
+ layer.meshes.push((*origin + translation, buffers));
}
Primitive::Clip {
bounds,
offset,
content,
} => {
- let x = bounds.x - layer.offset.x as f32;
- let y = bounds.y - layer.offset.y as f32;
- let width = (bounds.width + x).min(bounds.width);
- let height = (bounds.height + y).min(bounds.height);
-
- // Only draw visible content on-screen
- // TODO: Also, check for parent layer bounds to avoid further
- // drawing in some circumstances.
- if width > 0.0 && height > 0.0 {
- let clip_layer = Layer::new(
- Rectangle {
- x: x.max(0.0).floor() as u32,
- y: y.max(0.0).floor() as u32,
- width: width.ceil() as u32,
- height: height.ceil() as u32,
- },
- layer.offset + *offset,
- );
+ let layer = layers.last_mut().unwrap();
- let new_layer = Layer::new(layer.bounds, layer.offset);
+ let layer_bounds: Rectangle<f32> = layer.bounds.into();
+
+ let clip = Rectangle {
+ x: bounds.x + translation.x,
+ y: bounds.y + translation.y,
+ ..*bounds
+ };
+
+ // Only draw visible content
+ if let Some(clip_bounds) = layer_bounds.intersection(&clip) {
+ let clip_layer = Layer::new(clip_bounds.into());
+ let new_layer = Layer::new(layer.bounds);
layers.push(clip_layer);
- self.draw_primitive(content, layers);
+ self.draw_primitive(
+ translation
+ - Vector::new(offset.x as f32, offset.y as f32),
+ content,
+ layers,
+ );
layers.push(new_layer);
}
}
+
+ Primitive::Cached { origin, cache } => {
+ self.draw_primitive(
+ translation + Vector::new(origin.x, origin.y),
+ &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 { .. } => {}
}
}
@@ -275,7 +315,7 @@ impl Renderer {
layers: &mut Vec<Layer<'a>>,
) {
let first = layers.first().unwrap();
- let mut overlay = Layer::new(first.bounds, Vector::new(0, 0));
+ 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 };
@@ -317,12 +357,8 @@ impl Renderer {
let bounds = layer.bounds * scale_factor;
if layer.meshes.len() > 0 {
- let translated = transformation
- * Transformation::scale(scale_factor, scale_factor)
- * Transformation::translate(
- -(layer.offset.x as f32),
- -(layer.offset.y as f32),
- );
+ let scaled = transformation
+ * Transformation::scale(scale_factor, scale_factor);
self.triangle_pipeline.draw(
device,
@@ -330,7 +366,7 @@ impl Renderer {
target,
target_width,
target_height,
- translated,
+ scaled,
&layer.meshes,
bounds,
);
@@ -348,23 +384,22 @@ impl Renderer {
);
}
- if layer.images.len() > 0 {
- let translated_and_scaled = transformation
- * Transformation::scale(scale_factor, scale_factor)
- * Transformation::translate(
- -(layer.offset.x as f32),
- -(layer.offset.y as f32),
+ #[cfg(any(feature = "image", feature = "svg"))]
+ {
+ if layer.images.len() > 0 {
+ let scaled = transformation
+ * Transformation::scale(scale_factor, scale_factor);
+
+ self.image_pipeline.draw(
+ device,
+ encoder,
+ &layer.images,
+ scaled,
+ bounds,
+ target,
+ scale_factor,
);
-
- self.image_pipeline.draw(
- device,
- encoder,
- &layer.images,
- translated_and_scaled,
- bounds,
- target,
- scale_factor,
- );
+ }
}
if layer.text.len() > 0 {
generated by cgit (git 2.34.1) at 2025-04-27 03:13:56 +0000