rio-backend 0.3.9

Backend infrastructure for Rio terminal
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
144

use serde::{Deserialize, Serialize};
use std::fmt::Display;
use sugarloaf::Filter;

#[derive(Debug, Clone, PartialEq, Deserialize, Serialize)]
pub struct Renderer {
    #[serde(default = "Performance::default")]
    pub performance: Performance,
    #[serde(default = "Backend::default", skip_serializing)]
    pub backend: Backend,
    #[serde(default = "bool::default", rename = "disable-unfocused-render")]
    pub disable_unfocused_render: bool,
    #[serde(
        default = "default_disable_occluded_render",
        rename = "disable-occluded-render"
    )]
    pub disable_occluded_render: bool,
    #[serde(default = "Vec::default")]
    pub filters: Vec<Filter>,
    #[serde(default = "RendererStategy::default")]
    pub strategy: RendererStategy,
    /// Use the CPU rasterizer (tiny-skia) instead of the GPU pipeline.
    /// Experimental. v1 supports solid quads + glyphs only; image
    /// overlays, GPU filters, advanced underline styles, and corner radii
    /// are not yet implemented on the CPU path.
    #[serde(default = "default_use_cpu", rename = "use-cpu")]
    pub use_cpu: bool,
}

fn default_use_cpu() -> bool {
    false
}

fn default_disable_occluded_render() -> bool {
    false
}

#[derive(Default, Debug, Clone, PartialEq, Deserialize, Serialize)]
pub enum RendererStategy {
    #[default]
    #[serde(alias = "events")]
    Events,
    #[serde(alias = "game")]
    Game,
}

impl RendererStategy {
    #[inline]
    pub fn is_game(&self) -> bool {
        self == &RendererStategy::Game
    }

    #[inline]
    pub fn is_event_based(&self) -> bool {
        self == &RendererStategy::Events
    }
}

#[allow(clippy::derivable_impls)]
impl Default for Renderer {
    fn default() -> Renderer {
        Renderer {
            performance: Performance::default(),
            backend: Backend::default(),
            disable_unfocused_render: false,
            disable_occluded_render: default_disable_occluded_render(),
            filters: Vec::default(),
            strategy: RendererStategy::Events,
            use_cpu: default_use_cpu(),
        }
    }
}

#[derive(Default, Debug, Serialize, Deserialize, PartialEq, Clone, Copy)]
pub enum Performance {
    #[default]
    #[serde(alias = "high")]
    High,
    #[serde(alias = "low")]
    Low,
}

impl Display for Performance {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        match self {
            Performance::High => {
                write!(f, "High")
            }
            Performance::Low => {
                write!(f, "Low")
            }
        }
    }
}

#[derive(Debug, Default, Serialize, Deserialize, Clone, PartialEq)]
pub enum Backend {
    // Leave Sugarloaf/WGPU to decide
    #[serde(alias = "automatic")]
    #[cfg_attr(not(target_os = "macos"), default)]
    Automatic,
    // Supported on Linux/Android, the web through webassembly via WebGL, and Windows and macOS/iOS via ANGLE
    #[serde(alias = "gl")]
    GL,
    // Supported on Windows, Linux/Android, and macOS/iOS via Vulkan Portability (with the Vulkan feature enabled)
    #[serde(alias = "vulkan")]
    Vulkan,
    // Supported on Windows 10
    #[serde(alias = "dx12")]
    DX12,
    // Supported on macOS/iOS
    #[serde(alias = "wgpumetal")]
    WgpuMetal,
    #[cfg(target_os = "macos")]
    #[cfg_attr(target_os = "macos", default)]
    #[serde(alias = "metal")]
    Metal,
}

impl Display for Backend {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        match self {
            Backend::Automatic => {
                write!(f, "Automatic")
            }
            #[cfg(target_os = "macos")]
            Backend::Metal => {
                write!(f, "Metal")
            }
            Backend::WgpuMetal => {
                write!(f, "Metal")
            }
            Backend::Vulkan => {
                write!(f, "Vulkan")
            }
            Backend::GL => {
                write!(f, "GL")
            }
            Backend::DX12 => {
                write!(f, "DX12")
            }
        }
    }
}