spout-rs 0.1.3

Rust bindings for Spout2 — GPU texture sharing on Windows
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

use crate::ffi;
use cxx::UniquePtr;

pub struct SpoutSender(UniquePtr<ffi::SpoutSender>);

// SAFETY: SpoutSenderBridge is exclusively owned via UniquePtr (never aliased).
// Spout2 senders are designed for per-thread use; we never share one across threads.
unsafe impl Send for SpoutSender {}

impl SpoutSender {
    pub fn new(name: &str) -> Self {
        let mut inner = ffi::new_spout_sender();
        inner.pin_mut().set_sender_name(name);
        Self(inner)
    }

    pub fn send_texture(
        &mut self,
        tex_id: u32,
        target: u32,
        width: u32,
        height: u32,
        invert: bool,
    ) -> bool {
        self.0
            .pin_mut()
            .send_texture(tex_id, target, width, height, invert, 0)
    }

    pub fn send_image(
        &mut self,
        pixels: &[u8],
        width: u32,
        height: u32,
        gl_format: u32,
        invert: bool,
    ) -> bool {
        self.0
            .pin_mut()
            .send_image(pixels, width, height, gl_format, invert, 0)
    }

    pub fn is_initialized(&mut self) -> bool {
        self.0.pin_mut().is_initialized()
    }

    pub fn name(&mut self) -> String {
        self.0.pin_mut().get_name()
    }

    pub fn size(&mut self) -> (u32, u32) {
        let w = self.0.pin_mut().get_width();
        let h = self.0.pin_mut().get_height();
        (w, h)
    }

    pub fn hold_fps(&mut self, fps: i32) {
        self.0.pin_mut().hold_fps(fps);
    }

    /// Send raw RGBA8 pixels without requiring the caller to know GL constants.
    pub fn send_image_rgba(&mut self, pixels: &[u8], width: u32, height: u32) -> bool {
        const GL_RGBA: u32 = 0x1908;
        self.send_image(pixels, width, height, GL_RGBA, false)
    }
}

impl Drop for SpoutSender {
    fn drop(&mut self) {
        self.0.pin_mut().release_sender();
    }
}