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Remove the DOMToTexture feature

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This relies on WebRender's frame output API, `set_output_image_handler`,
which has been removed from the latest upstream [1]. It's sad to remove
this feature, which was probably a lot of work to implement, but it
seems difficult to patch WebRender to restore this functionality.

Fixes #29936.

1. https://hg.mozilla.org/mozilla-central/rev/361521e3c52324809553c555fb066d50f023d9bf
This commit is contained in:
Martin Robinson 2023-06-26 16:35:03 +02:00
parent 234d507234
commit ec3b2826ae
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GPG key ID: D56AA4FA55EFE6F8
10 changed files with 36 additions and 304 deletions
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25
components/canvas_traits/webgl.rs
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@ -11,7 +11,7 @@ use std::borrow::Cow;
use std::fmt;
use std::num::{NonZeroU32, NonZeroU64};
use std::ops::Deref;
use webrender_api::{DocumentId, ImageKey, PipelineId};
use webrender_api::ImageKey;
use webxr_api::ContextId as WebXRContextId;
use webxr_api::Error as WebXRError;
use webxr_api::LayerId as WebXRLayerId;
@ -76,8 +76,6 @@ pub enum WebGLMsg {
/// Runs a WebXRCommand (WebXR layers need to be created in the WebGL
/// thread, as they may have thread affinity).
WebXRCommand(WebXRCommand),
/// Commands used for the DOMToTexture feature.
DOMToTextureCommand(DOMToTextureCommand),
/// Performs a buffer swap.
///
/// The third field contains the time (in ns) when the request
@ -174,10 +172,6 @@ impl WebGLMsgSender {
pub fn send_remove(&self) -> WebGLSendResult {
self.sender.send(WebGLMsg::RemoveContext(self.ctx_id))
}
pub fn send_dom_to_texture(&self, command: DOMToTextureCommand) -> WebGLSendResult {
self.sender.send(WebGLMsg::DOMToTextureCommand(command))
}
}
#[derive(Deserialize, Serialize)]
@ -662,23 +656,6 @@ pub enum WebGLFramebufferBindingRequest {
pub type WebGLResult<T> = Result<T, WebGLError>;
/// WebGL commands required to implement DOMToTexture feature.
#[derive(Clone, Debug, Deserialize, Serialize)]
pub enum DOMToTextureCommand {
/// Attaches a HTMLIFrameElement to a WebGLTexture.
Attach(
WebGLContextId,
WebGLTextureId,
DocumentId,
PipelineId,
Size2D<i32>,
),
/// Releases the HTMLIFrameElement to WebGLTexture attachment.
Detach(WebGLTextureId),
/// Lock message used for a correct synchronization with WebRender GL flow.
Lock(PipelineId, usize, WebGLSender<Option<(u32, Size2D<i32>)>>),
}
/// Information about a WebGL program linking operation.
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct ProgramLinkInfo {