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Initial implementation of WebGLSync

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This patch adds initial support for WebGLSync.

Note:
There is no test for the isSync, deleteSync and waitSync functions in the `conformance2/sync/sync-webgl-specific.html`.
This commit is contained in:
Istvan Miklos 2019-09-16 10:21:50 +02:00
parent 9706cd497d
commit 248545ddda
11 changed files with 378 additions and 83 deletions
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27
components/canvas/webgl_thread.rs
View file

@ -1360,6 +1360,33 @@ impl WebGLImpl {
}
sender.send(value[0] != 0).unwrap()
},
WebGLCommand::FenceSync(ref sender) => {
let value = ctx.gl().fence_sync(gl::SYNC_GPU_COMMANDS_COMPLETE, 0);
sender
.send(unsafe { WebGLSyncId::new(value as u64) })
.unwrap();
},
WebGLCommand::IsSync(sync_id, ref sender) => {
let value = ctx.gl().is_sync(sync_id.get() as *const _);
sender.send(value).unwrap();
},
WebGLCommand::ClientWaitSync(sync_id, flags, timeout, ref sender) => {
let value =
ctx.gl()
.client_wait_sync(sync_id.get() as *const _, flags, timeout as u64);
sender.send(value).unwrap();
},
WebGLCommand::WaitSync(sync_id, flags, timeout) => {
ctx.gl()
.wait_sync(sync_id.get() as *const _, flags, timeout as u64);
},
WebGLCommand::GetSyncParameter(sync_id, param, ref sender) => {
let value = ctx.gl().get_sync_iv(sync_id.get() as *const _, param);
sender.send(value[0] as u32).unwrap();
},
WebGLCommand::DeleteSync(sync_id) => {
ctx.gl().delete_sync(sync_id.get() as *const _);
},
WebGLCommand::GetParameterBool4(param, ref sender) => {
let mut value = [0; 4];
unsafe {