mirror of
https://github.com/servo/servo.git
synced 2025-06-06 16:45:39 +00:00
43 lines
1.4 KiB
Rust
43 lines
1.4 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
|
|
|
|
use canvas_traits::webgl::WebGLVersion;
|
|
|
|
use super::WebGLExtensions;
|
|
use crate::dom::bindings::reflector::DomObject;
|
|
use crate::dom::bindings::root::DomRoot;
|
|
use crate::dom::bindings::trace::JSTraceable;
|
|
use crate::dom::webglrenderingcontext::WebGLRenderingContext;
|
|
use crate::script_runtime::CanGc;
|
|
|
|
/// Trait implemented by WebGL extensions.
|
|
pub(crate) trait WebGLExtension: Sized
|
|
where
|
|
Self::Extension: DomObject + JSTraceable,
|
|
{
|
|
#[cfg_attr(crown, crown::unrooted_must_root_lint::must_root)]
|
|
type Extension;
|
|
|
|
/// Creates the DOM object of the WebGL extension.
|
|
fn new(ctx: &WebGLRenderingContext, can_gc: CanGc) -> DomRoot<Self::Extension>;
|
|
|
|
/// Returns which WebGL spec is this extension written against.
|
|
fn spec() -> WebGLExtensionSpec;
|
|
|
|
/// Checks if the extension is supported.
|
|
fn is_supported(ext: &WebGLExtensions) -> bool;
|
|
|
|
/// Enable the extension.
|
|
fn enable(ext: &WebGLExtensions);
|
|
|
|
/// Name of the WebGL Extension.
|
|
fn name() -> &'static str;
|
|
}
|
|
|
|
pub(crate) enum WebGLExtensionSpec {
|
|
/// Extensions written against both WebGL and WebGL2 specs.
|
|
All,
|
|
/// Extensions writen against a specific WebGL version spec.
|
|
Specific(WebGLVersion),
|
|
}
|