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::Servo;
18    use servo::media::{GlContext, NativeDisplay};
19    use surfman::platform::generic::multi::connection::NativeConnection;
20    use surfman::platform::generic::multi::context::NativeContext;
21
22    let api = api(&device, &context);
23    let context = match device.native_context(&context) {
24        NativeContext::Default(NativeContext::Default(native_context)) => {
25            GlContext::Egl(native_context.egl_context as usize)
26        },
27        NativeContext::Default(NativeContext::Alternate(native_context)) => {
28            GlContext::Egl(native_context.egl_context as usize)
29        },
30        NativeContext::Alternate(_) => GlContext::Unknown,
31    };
32    let display = match device.connection().native_connection() {
33        surfman::NativeConnection::Default(NativeConnection::Default(connection)) => {
34            NativeDisplay::Egl(connection.0 as usize)
35        },
36        surfman::NativeConnection::Default(NativeConnection::Alternate(connection)) => {
37            NativeDisplay::X11(connection.x11_display as usize)
38        },
39        surfman::NativeConnection::Alternate(_) => NativeDisplay::Unknown,
40    };
41    Servo::initialize_gl_accelerated_media(display, api, context);
42}
43
44#[cfg(target_os = "windows")]
45pub(crate) fn setup_gl_accelerated_media(device: RefMut<'_, Device>, context: RefMut<'_, Context>) {
46    use servo::Servo;
47    use servo::media::{GlContext, NativeDisplay};
48
49    let api = api(&device, &context);
50    let context = GlContext::Egl(device.native_context(&context).egl_context as usize);
51    let display = NativeDisplay::Egl(device.native_device().egl_display as usize);
52    Servo::initialize_gl_accelerated_media(display, api, context);
53}
54
55#[cfg(any(
56    all(target_os = "linux", not(target_env = "ohos")),
57    target_os = "windows"
58))]
59fn api(device: &RefMut<Device>, context: &RefMut<Context>) -> servo::media::GlApi {
60    use servo::media::GlApi;
61    use surfman::GLApi;
62
63    let descriptor = device.context_descriptor(context);
64    let attributes = device.context_descriptor_attributes(&descriptor);
65    let major = attributes.version.major;
66    let minor = attributes.version.minor;
67    match device.connection().gl_api() {
68        GLApi::GL if major >= 3 && minor >= 2 => GlApi::OpenGL3,
69        GLApi::GL => GlApi::OpenGL,
70        GLApi::GLES if major > 1 => GlApi::Gles2,
71        GLApi::GLES => GlApi::Gles1,
72    }
73}
servoshell/desktop/accelerated_gl_media.rs

servoshell/desktop/
accelerated_gl_media.rs
