diff options
Diffstat (limited to 'components/script/dom/webglrenderingcontext.rs')
| -rw-r--r-- | components/script/dom/webglrenderingcontext.rs | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/components/script/dom/webglrenderingcontext.rs b/components/script/dom/webglrenderingcontext.rs index 07c47970476..a521f469d1d 100644 --- a/components/script/dom/webglrenderingcontext.rs +++ b/components/script/dom/webglrenderingcontext.rs @@ -23,25 +23,32 @@ pub struct WebGLRenderingContext { impl WebGLRenderingContext { fn new_inherited(global: GlobalRef, canvas: JSRef<HTMLCanvasElement>, size: Size2D<i32>) - -> WebGLRenderingContext { - WebGLRenderingContext { + -> Result<WebGLRenderingContext, &'static str> { + let chan = try!(WebGLPaintTask::start(size)); + + Ok(WebGLRenderingContext { reflector_: Reflector::new(), global: GlobalField::from_rooted(&global), - renderer: WebGLPaintTask::start(size), + renderer: chan, canvas: JS::from_rooted(canvas), - } + }) } pub fn new(global: GlobalRef, canvas: JSRef<HTMLCanvasElement>, size: Size2D<i32>) - -> Temporary<WebGLRenderingContext> { - reflect_dom_object(box WebGLRenderingContext::new_inherited(global, canvas, size), - global, WebGLRenderingContextBinding::Wrap) + -> Option<Temporary<WebGLRenderingContext>> { + match WebGLRenderingContext::new_inherited(global, canvas, size) { + Ok(ctx) => Some(reflect_dom_object(box ctx, global, + WebGLRenderingContextBinding::Wrap)), + Err(msg) => { + error!("Couldn't create WebGLRenderingContext: {}", msg); + None + } + } } pub fn recreate(&self, size: Size2D<i32>) { self.renderer.send(CanvasMsg::Common(CanvasCommonMsg::Recreate(size))).unwrap(); } - } #[unsafe_destructor] @@ -72,4 +79,3 @@ impl LayoutCanvasWebGLRenderingContextHelpers for LayoutJS<WebGLRenderingContext (*self.unsafe_get()).renderer.clone() } } - |