wrend 0.3.6

A WebGL2 rendering library for Rust/Wasm & JS
Documentation 
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
145
146
147
148
149

use crate::{
    AttributeLinkJs, BufferLinkJs, FramebufferLinkJs, ProgramLinkJs, RenderCallbackJs,
    RendererDataBuilder, RendererDataJs, RendererJs, TextureJs, TextureLinkJs,
    TransformFeedbackLinkJs, UniformLinkJs,
};
use js_sys::{Function, Object};

use std::ops::{Deref, DerefMut};
use wasm_bindgen::prelude::wasm_bindgen;
use web_sys::HtmlCanvasElement;

/// Wrapper around `RendererData` to make it callable from JavaScript.
///
/// Types are adjusted to only use JavaScript-compatible types and no generics.
type RendererDataBuilderJsInner = RendererDataBuilder<
    String,
    String,
    String,
    String,
    String,
    String,
    String,
    String,
    String,
    String,
    Object,
>;

/// See [RendererDataBuilder](crate::RendererDataBuilder)
#[wasm_bindgen(inspectable, js_name = RendererDataBuilder)]
pub struct RendererDataBuilderJs(RendererDataBuilderJsInner);

#[wasm_bindgen(js_class = RendererDataBuilder)]
impl RendererDataBuilderJs {
    pub fn texture(&self, texture_id: String) -> Option<TextureJs> {
        self.deref().texture(&texture_id).map(Into::into)
    }

    #[wasm_bindgen(js_name = setCanvas)]
    pub fn set_canvas(&mut self, canvas: HtmlCanvasElement) {
        self.deref_mut().set_canvas(canvas);
    }

    #[wasm_bindgen(js_name = addFragmentShaderSrc)]
    pub fn add_fragment_shader_src(&mut self, id: String, fragment_shader_src: String) {
        self.deref_mut()
            .add_fragment_shader_src(id, fragment_shader_src);
    }

    #[wasm_bindgen(js_name = addVertexShaderSrc)]
    pub fn add_vertex_shader_src(&mut self, id: String, vertex_shader_src: String) {
        self.deref_mut()
            .add_vertex_shader_src(id, vertex_shader_src);
    }

    #[wasm_bindgen(js_name = addProgramLink)]
    pub fn add_program_link(&mut self, program_link: ProgramLinkJs) {
        self.deref_mut().add_program_link(program_link);
    }

    #[wasm_bindgen(js_name = setRenderCallback)]
    pub fn set_render_callback(&mut self, render_callback: RenderCallbackJs) {
        self.deref_mut().set_render_callback(render_callback);
    }

    #[wasm_bindgen(js_name = setUserCtx)]
    pub fn set_user_ctx(&mut self, ctx: Object) {
        self.deref_mut().set_user_ctx(ctx);
    }

    #[wasm_bindgen(js_name = addUniformLink)]
    pub fn add_uniform_link(&mut self, uniform_link: UniformLinkJs) {
        self.deref_mut().add_uniform_link(uniform_link);
    }

    #[wasm_bindgen(js_name = addBufferLink)]
    pub fn add_buffer_link(&mut self, buffer_link: BufferLinkJs) {
        self.deref_mut().add_buffer_link(buffer_link);
    }

    #[wasm_bindgen(js_name = addAttributeLink)]
    pub fn add_attribute_link(&mut self, attribute_link: AttributeLinkJs) {
        self.deref_mut().add_attribute_link(attribute_link);
    }

    #[wasm_bindgen(js_name = addTextureLink)]
    pub fn add_texture_link(&mut self, texture_link: TextureLinkJs) {
        self.deref_mut().add_texture_link(texture_link);
    }

    #[wasm_bindgen(js_name = addFramebufferLink)]
    pub fn add_framebuffer_link(&mut self, framebuffer_link: FramebufferLinkJs) {
        self.deref_mut().add_framebuffer_link(framebuffer_link);
    }

    #[wasm_bindgen(js_name = addTransformFeedbackLink)]
    pub fn add_transform_feedback_link(mut self, transform_feedback_link: TransformFeedbackLinkJs) {
        self.deref_mut()
            .add_transform_feedback_link(transform_feedback_link);
    }

    #[wasm_bindgen(js_name = addVAOLink)]
    pub fn add_vao_link(&mut self, vertex_array_object_id: String) {
        self.deref_mut().add_vao_link(vertex_array_object_id);
    }

    #[wasm_bindgen(js_name = setGetContextCallback)]
    pub fn set_get_context_callback(&mut self, get_context_callback: Function) {
        self.deref_mut()
            .set_get_context_callback(get_context_callback);
    }

    #[wasm_bindgen(js_name = buildRendererData)]
    pub fn build_renderer_data(self) -> Result<RendererDataJs, String> {
        self.0
            .build_renderer_data()
            .map(Into::into)
            .map_err(|err| err.to_string())
    }

    #[wasm_bindgen(js_name = buildRenderer)]
    pub fn build_renderer(self) -> Result<RendererJs, String> {
        self.0
            .build_renderer_data()
            .map::<RendererDataJs, _>(Into::into)
            .map::<RendererJs, _>(Into::into)
            .map_err::<String, _>(|err| err.to_string())
    }
}

impl Default for RendererDataBuilderJs {
    fn default() -> Self {
        Self(RendererDataBuilderJsInner::default())
    }
}

impl Deref for RendererDataBuilderJs {
    type Target = RendererDataBuilderJsInner;

    fn deref(&self) -> &Self::Target {
        &self.0
    }
}

impl DerefMut for RendererDataBuilderJs {
    fn deref_mut(&mut self) -> &mut RendererDataBuilderJsInner {
        &mut self.0
    }
}