servoshell/desktop/
accelerated_gl_media.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use std::cell::RefMut;
6
7use surfman::{Context, Device};
8
9#[cfg(not(any(
10    target_os = "windows",
11    all(target_os = "linux", not(target_env = "ohos"))
12)))]
13pub(crate) fn setup_gl_accelerated_media(_: RefMut<'_, Device>, _: RefMut<'_, Context>) {}
14
15#[cfg(all(target_os = "linux", not(target_env = "ohos")))]
16pub(crate) fn setup_gl_accelerated_media(device: RefMut<'_, Device>, context: RefMut<'_, Context>) {
17    use servo::{MediaGlContext, MediaNativeDisplay, Servo};
18    use surfman::platform::generic::multi::connection::NativeConnection;
19    use surfman::platform::generic::multi::context::NativeContext;
20
21    let api = api(&device, &context);
22    let context = match device.native_context(&context) {
23        NativeContext::Default(NativeContext::Default(native_context)) => {
24            MediaGlContext::Egl(native_context.egl_context as usize)
25        },
26        NativeContext::Default(NativeContext::Alternate(native_context)) => {
27            MediaGlContext::Egl(native_context.egl_context as usize)
28        },
29        NativeContext::Alternate(_) => MediaGlContext::Unknown,
30    };
31    let display = match device.connection().native_connection() {
32        surfman::NativeConnection::Default(NativeConnection::Default(connection)) => {
33            MediaNativeDisplay::Egl(connection.0 as usize)
34        },
35        surfman::NativeConnection::Default(NativeConnection::Alternate(connection)) => {
36            MediaNativeDisplay::X11(connection.x11_display as usize)
37        },
38        surfman::NativeConnection::Alternate(_) => MediaNativeDisplay::Unknown,
39    };
40    Servo::initialize_gl_accelerated_media(display, api, context);
41}
42
43#[cfg(target_os = "windows")]
44pub(crate) fn setup_gl_accelerated_media(device: RefMut<'_, Device>, context: RefMut<'_, Context>) {
45    use servo::{MediaGlContext, MediaNativeDisplay, Servo};
46
47    let api = api(&device, &context);
48    let context = MediaGlContext::Egl(device.native_context(&context).egl_context as usize);
49    let display = MediaNativeDisplay::Egl(device.native_device().egl_display as usize);
50    Servo::initialize_gl_accelerated_media(display, api, context);
51}
52
53#[cfg(any(
54    all(target_os = "linux", not(target_env = "ohos")),
55    target_os = "windows"
56))]
57fn api(device: &RefMut<Device>, context: &RefMut<Context>) -> servo::MediaGlApi {
58    use servo::MediaGlApi;
59    use surfman::GLApi;
60
61    let descriptor = device.context_descriptor(context);
62    let attributes = device.context_descriptor_attributes(&descriptor);
63    let major = attributes.version.major;
64    let minor = attributes.version.minor;
65    match device.connection().gl_api() {
66        GLApi::GL if major >= 3 && minor >= 2 => MediaGlApi::OpenGL3,
67        GLApi::GL => MediaGlApi::OpenGL,
68        GLApi::GLES if major > 1 => MediaGlApi::Gles2,
69        GLApi::GLES => MediaGlApi::Gles1,
70    }
71}
servoshell/desktop/accelerated_gl_media.rs

servoshell/desktop/
accelerated_gl_media.rs
