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Generate new layers only for clip primitives in `Layer::generate`

This commit is contained in:
Héctor Ramón Jiménez 2021-02-23 04:02:55 +01:00
parent 4e923290cc
commit 5e2743361b
1 changed files with 28 additions and 12 deletions
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40
graphics/src/layer.rs
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@ -82,7 +82,12 @@ impl<'a> Layer<'a> {
let mut layers = vec![first_layer];
Self::process_primitive(&mut layers, Vector::new(0.0, 0.0), primitive);
Self::process_primitive(
&mut layers,
Vector::new(0.0, 0.0),
primitive,
0,
);
layers
}
@ -91,13 +96,19 @@ impl<'a> Layer<'a> {
layers: &mut Vec<Self>,
translation: Vector,
primitive: &'a Primitive,
current_layer: usize,
) {
match primitive {
Primitive::None => {}
Primitive::Group { primitives } => {
// TODO: Inspect a bit and regroup (?)
for primitive in primitives {
Self::process_primitive(layers, translation, primitive)
Self::process_primitive(
layers,
translation,
primitive,
current_layer,
)
}
}
Primitive::Text {
@ -109,7 +120,7 @@ impl<'a> Layer<'a> {
horizontal_alignment,
vertical_alignment,
} => {
let layer = layers.last_mut().unwrap();
let layer = &mut layers[current_layer];
layer.text.push(Text {
content,
@ -128,7 +139,7 @@ impl<'a> Layer<'a> {
border_width,
border_color,
} => {
let layer = layers.last_mut().unwrap();
let layer = &mut layers[current_layer];
// TODO: Move some of these computations to the GPU (?)
layer.quads.push(Quad {
@ -146,7 +157,7 @@ impl<'a> Layer<'a> {
});
}
Primitive::Mesh2D { buffers, size } => {
let layer = layers.last_mut().unwrap();
let layer = &mut layers[current_layer];
let bounds = Rectangle::new(
Point::new(translation.x, translation.y),
@ -167,7 +178,7 @@ impl<'a> Layer<'a> {
offset,
content,
} => {
let layer = layers.last_mut().unwrap();
let layer = &mut layers[current_layer];
let translated_bounds = *bounds + translation;
// Only draw visible content
@ -175,16 +186,15 @@ impl<'a> Layer<'a> {
layer.bounds.intersection(&translated_bounds)
{
let clip_layer = Layer::new(clip_bounds);
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.len() - 1,
);
layers.push(new_layer);
}
}
Primitive::Translate {
@ -195,13 +205,19 @@ impl<'a> Layer<'a> {
layers,
translation + *new_translation,
&content,
current_layer,
);
}
Primitive::Cached { cache } => {
Self::process_primitive(layers, translation, &cache);
Self::process_primitive(
layers,
translation,
&cache,
current_layer,
);
}
Primitive::Image { handle, bounds } => {
let layer = layers.last_mut().unwrap();
let layer = &mut layers[current_layer];
layer.images.push(Image::Raster {
handle: handle.clone(),
@ -209,7 +225,7 @@ impl<'a> Layer<'a> {
});
}
Primitive::Svg { handle, bounds } => {
let layer = layers.last_mut().unwrap();
let layer = &mut layers[current_layer];
layer.images.push(Image::Vector {
handle: handle.clone(),