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constellation: Make setting up the WebGL state fallible.

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This fixes a regression caused by the glutin update.

We now are creating EGL contexts in Linux Wayland, instead of X context, so the
GLContextFactory assumption of one GL back-end per platform is broken.

This just works around it, for now, but in general I think not relying on
available WebGL state is a good thing, and we do that already for WebVR anyway.
This commit is contained in:
Emilio Cobos Álvarez 2018-03-09 23:27:29 +01:00
parent 3fc5bf87d3
commit 21df4014db
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GPG key ID: 056B727BB9C1027C
8 changed files with 48 additions and 31 deletions
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6
components/constellation/pipeline.rs
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@ -170,8 +170,8 @@ pub struct InitialPipelineState {
/// Whether this pipeline is considered private.
pub is_private: bool,
/// A channel to the webgl thread.
pub webgl_chan: WebGLPipeline,
/// A channel to the WebGL thread.
pub webgl_chan: Option<WebGLPipeline>,
/// A channel to the webvr thread.
pub webvr_chan: Option<IpcSender<WebVRMsg>>,
@ -457,7 +457,7 @@ pub struct UnprivilegedPipelineContent {
script_content_process_shutdown_port: IpcReceiver<()>,
webrender_api_sender: webrender_api::RenderApiSender,
webrender_document: webrender_api::DocumentId,
webgl_chan: WebGLPipeline,
webgl_chan: Option<WebGLPipeline>,
webvr_chan: Option<IpcSender<WebVRMsg>>,
}