diff options
| -rw-r--r-- | components/script/dom/webglrenderingcontext.rs | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/components/script/dom/webglrenderingcontext.rs b/components/script/dom/webglrenderingcontext.rs index 059c6941bc1..cd336e02e50 100644 --- a/components/script/dom/webglrenderingcontext.rs +++ b/components/script/dom/webglrenderingcontext.rs @@ -705,13 +705,19 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext { return self.webgl_error(InvalidEnum); } - if let Some(renderbuffer) = renderbuffer { - renderbuffer.bind(target) - } else { - // Unbind the currently bound renderbuffer - self.ipc_renderer - .send(CanvasMsg::WebGL(WebGLCommand::BindRenderbuffer(target, None))) - .unwrap() + match renderbuffer { + // Implementations differ on what to do in the deleted + // case: Chromium currently unbinds, and Gecko silently + // returns. The conformance tests don't cover this case. + Some(renderbuffer) if !renderbuffer.is_deleted() => { + renderbuffer.bind(target) + } + _ => { + // Unbind the currently bound renderbuffer + self.ipc_renderer + .send(CanvasMsg::WebGL(WebGLCommand::BindRenderbuffer(target, None))) + .unwrap() + } } } |