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Replace use of callbacks in webxr by channels

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This commit is contained in:
Alan Jeffrey 2019-07-23 18:21:48 -05:00
parent 5c8fee4e0b
commit 133a17e15c
11 changed files with 109 additions and 190 deletions
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22
components/canvas/webgl_thread.rs
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@ -10,7 +10,7 @@ use euclid::default::Size2D;
use fnv::FnvHashMap;
use gleam::gl;
use half::f16;
use ipc_channel::ipc::{self, IpcSender, OpaqueIpcMessage};
use ipc_channel::ipc::{self, OpaqueIpcMessage};
use ipc_channel::router::ROUTER;
use offscreen_gl_context::{DrawBuffer, GLContext, NativeGLContextMethods};
use pixels::{self, PixelFormat};
@ -284,9 +284,6 @@ impl WebGLThread {
WebGLMsg::Lock(ctx_id, sender) => {
self.handle_lock(ctx_id, sender);
},
WebGLMsg::LockIPC(ctx_id, sender) => {
self.handle_lock_ipc(ctx_id, sender);
},
WebGLMsg::Unlock(ctx_id) => {
self.handle_unlock(ctx_id);
},
@ -343,21 +340,6 @@ impl WebGLThread {
context_id: WebGLContextId,
sender: WebGLSender<(u32, Size2D<i32>, usize)>,
) {
sender.send(self.handle_lock_sync(context_id)).unwrap();
}
/// handle_lock, but unconditionally IPC (used by webxr)
fn handle_lock_ipc(
&mut self,
context_id: WebGLContextId,
sender: IpcSender<(u32, Size2D<i32>, usize)>,
) {
sender.send(self.handle_lock_sync(context_id)).unwrap();
}
/// Shared code between handle_lock and handle_lock_ipc, does the actual syncing/flushing
/// but the caller must send the response back
fn handle_lock_sync(&mut self, context_id: WebGLContextId) -> (u32, Size2D<i32>, usize) {
let data =
Self::make_current_if_needed(context_id, &self.contexts, &mut self.bound_context_id)
.expect("WebGLContext not found in a WebGLMsg::Lock message");
@ -374,7 +356,7 @@ impl WebGLThread {
data.ctx.gl().flush();
debug_assert!(data.ctx.gl().get_error() == gl::NO_ERROR);
(info.texture_id, info.size, gl_sync as usize)
let _ = sender.send((info.texture_id, info.size, gl_sync as usize));
}
/// A version of locking that doesn't return a GLsync object,