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WebGLRenderingContext getters and getParameter

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This implements the `canvas`, `drawingBufferHeight` and
`drawingBufferWidth` getters to `WebGLRenderingContext`, and an initial
version of `getParameter`.
This commit is contained in:
ecoal95 2015-06-01 13:34:28 +02:00
parent 0de09b936e
commit eff2bb4310
6 changed files with 89 additions and 13 deletions
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33
components/script/dom/webglrenderingcontext.rs
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@ -10,6 +10,7 @@ use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::{
use dom::bindings::global::{GlobalRef, GlobalField};
use dom::bindings::js::{JS, JSRef, LayoutJS, Temporary};
use dom::bindings::utils::{Reflector, reflect_dom_object};
use dom::bindings::conversions::ToJSValConvertible;
use dom::htmlcanvaselement::{HTMLCanvasElement};
use dom::webglbuffer::{WebGLBuffer, WebGLBufferHelpers};
use dom::webglshader::{WebGLShader, WebGLShaderHelpers};
@ -73,6 +74,38 @@ impl Drop for WebGLRenderingContext {
}
impl<'a> WebGLRenderingContextMethods for JSRef<'a, WebGLRenderingContext> {
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.1
fn Canvas(self) -> Temporary<HTMLCanvasElement> {
Temporary::from_rooted(self.canvas)
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.1
fn DrawingBufferWidth(self) -> i32 {
let (sender, receiver) = channel();
self.renderer.send(CanvasMsg::WebGL(CanvasWebGLMsg::DrawingBufferWidth(sender))).unwrap();
receiver.recv().unwrap()
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.1
fn DrawingBufferHeight(self) -> i32 {
let (sender, receiver) = channel();
self.renderer.send(CanvasMsg::WebGL(CanvasWebGLMsg::DrawingBufferHeight(sender))).unwrap();
receiver.recv().unwrap()
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
fn GetParameter(self, cx: *mut JSContext, parameter: u32) -> JSVal {
// TODO(ecoal95): Implement the missing parameters from the spec
match parameter {
WebGLRenderingContextConstants::VERSION =>
DOMString::from_str("WebGL 1.0").to_jsval(cx),
WebGLRenderingContextConstants::RENDERER |
WebGLRenderingContextConstants::VENDOR =>
DOMString::from_str("Mozilla/Servo").to_jsval(cx),
_ => NullValue(),
}
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.2
fn GetContextAttributes(self) -> Option<WebGLContextAttributes> {
let (sender, receiver) = channel();