servo/components/script/dom/webgl_extensions/extension.rs

37 lines
1.2 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 http://mozilla.org/MPL/2.0/. */
use canvas_traits::webgl::WebGLVersion;
use dom::bindings::reflector::DomObject;
use dom::bindings::root::DomRoot;
use dom::bindings::trace::JSTraceable;
use dom::webglrenderingcontext::WebGLRenderingContext;
use super::WebGLExtensions;
/// Trait implemented by WebGL extensions.
pub trait WebGLExtension: Sized where Self::Extension: DomObject + JSTraceable {
type Extension;
/// Creates the DOM object of the WebGL extension.
fn new(ctx: &WebGLRenderingContext) -> 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 enum WebGLExtensionSpec {
/// Extensions written against both WebGL and WebGL2 specs.
All,
/// Extensions writen against a specific WebGL version spec.
Specific(WebGLVersion)
}