1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
use std::collections::HashMap;
use anyhow::Context as _;
use glam::{Mat3, Vec2};
use smithay::backend::renderer::element::utils::{
Relocate, RelocateRenderElement, RescaleRenderElement,
};
use smithay::backend::renderer::element::{Element as _, Kind, RenderElement};
use smithay::backend::renderer::gles::{GlesRenderer, Uniform};
use smithay::backend::renderer::Texture;
use smithay::utils::{Logical, Point, Rectangle, Scale, Size};
use crate::animation::Animation;
use crate::niri_render_elements;
use crate::render_helpers::offscreen::{OffscreenBuffer, OffscreenData, OffscreenRenderElement};
use crate::render_helpers::shader_element::ShaderRenderElement;
use crate::render_helpers::shaders::{mat3_uniform, ProgramType, Shaders};
#[derive(Debug)]
pub struct OpenAnimation {
anim: Animation,
random_seed: f32,
buffer: OffscreenBuffer,
}
niri_render_elements! {
OpeningWindowRenderElement => {
Offscreen = RelocateRenderElement<RescaleRenderElement<OffscreenRenderElement>>,
Shader = ShaderRenderElement,
}
}
impl OpenAnimation {
pub fn new(anim: Animation) -> Self {
Self {
anim,
random_seed: fastrand::f32(),
buffer: OffscreenBuffer::default(),
}
}
pub fn advance_animations(&mut self) {}
pub fn is_done(&self) -> bool {
self.anim.is_done()
}
// We can't depend on view_rect here, because the result of window opening can be snapshot and
// then rendered elsewhere.
pub fn render(
&self,
renderer: &mut GlesRenderer,
elements: &[impl RenderElement<GlesRenderer>],
geo_size: Size<f64, Logical>,
location: Point<f64, Logical>,
scale: Scale<f64>,
alpha: f32,
) -> anyhow::Result<(OpeningWindowRenderElement, OffscreenData)> {
let progress = self.anim.value();
let clamped_progress = self.anim.clamped_value().clamp(0., 1.);
let (elem, _sync_point, mut data) = self
.buffer
.render(renderer, scale, elements)
.context("error rendering to offscreen buffer")?;
if Shaders::get(renderer).program(ProgramType::Open).is_some() {
// OffscreenBuffer renders with Transform::Normal and the scale that we passed, so we
// can assume that below.
let offset = elem.offset();
let texture = elem.texture();
let texture_size = elem.logical_size();
let mut area = Rectangle::new(location + offset, texture_size);
// Expand the area a bit to allow for more varied effects.
let mut target_size = area.size.upscale(1.5);
target_size.w = f64::max(area.size.w + 1000., target_size.w);
target_size.h = f64::max(area.size.h + 1000., target_size.h);
let diff = (target_size.to_point() - area.size.to_point()).downscale(2.);
let diff = diff.to_physical_precise_round(scale).to_logical(scale);
area.loc -= diff;
area.size += diff.upscale(2.).to_size();
let area_loc = Vec2::new(area.loc.x as f32, area.loc.y as f32);
let area_size = Vec2::new(area.size.w as f32, area.size.h as f32);
let geo_loc = Vec2::new(location.x as f32, location.y as f32);
let geo_size = Vec2::new(geo_size.w as f32, geo_size.h as f32);
let input_to_geo = Mat3::from_scale(area_size / geo_size)
* Mat3::from_translation((area_loc - geo_loc) / area_size);
let tex_scale = Vec2::new(scale.x as f32, scale.y as f32);
let tex_loc = Vec2::new(offset.x as f32, offset.y as f32);
let tex_size = Vec2::new(texture.width() as f32, texture.height() as f32) / tex_scale;
let geo_to_tex =
Mat3::from_translation(-tex_loc / tex_size) * Mat3::from_scale(geo_size / tex_size);
let elem = ShaderRenderElement::new(
ProgramType::Open,
area.size,
None,
scale.x as f32,
alpha,
vec![
mat3_uniform("niri_input_to_geo", input_to_geo),
Uniform::new("niri_geo_size", geo_size.to_array()),
mat3_uniform("niri_geo_to_tex", geo_to_tex),
Uniform::new("niri_progress", progress as f32),
Uniform::new("niri_clamped_progress", clamped_progress as f32),
Uniform::new("niri_random_seed", self.random_seed),
],
HashMap::from([(String::from("niri_tex"), texture.clone())]),
Kind::Unspecified,
)
.with_location(area.loc);
// We're drawing the shader, not the offscreen itself.
data.id = elem.id().clone();
return Ok((elem.into(), data));
}
let elem = elem.with_alpha(clamped_progress as f32 * alpha);
let center = geo_size.to_point().downscale(2.);
let elem = RescaleRenderElement::from_element(
elem,
center.to_physical_precise_round(scale),
(progress / 2. + 0.5).max(0.),
);
let elem = RelocateRenderElement::from_element(
elem,
location.to_physical_precise_round(scale),
Relocate::Relative,
);
Ok((elem.into(), data))
}
}
|
