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Fix ArrayBuffer creation in buffer mapping

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This commit is contained in:
Kunal Mohan 2020-06-27 21:20:50 +05:30
parent b484836dbc
commit db2d313a1b
2 changed files with 10 additions and 10 deletions
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10
components/script/dom/gpubuffer.rs
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@ -19,7 +19,6 @@ use dom_struct::dom_struct;
use js::jsapi::{Heap, JSObject};
use js::jsval::UndefinedValue;
use js::rust::jsapi_wrapped::{DetachArrayBuffer, IsPromiseObject, RejectPromise};
use js::rust::MutableHandle;
use js::typedarray::{ArrayBuffer, CreateWith};
use std::cell::Cell;
use std::ops::Range;
@ -277,12 +276,10 @@ impl AsyncWGPUListener for GPUBuffer {
fn handle_response(&self, response: WebGPUResponse, promise: &Rc<Promise>) {
match response {
WebGPUResponse::BufferMapAsync(bytes) => {
let cx = self.global().get_cx();
rooted!(in(*cx) let mut array_buffer = ptr::null_mut::<JSObject>());
match unsafe {
ArrayBuffer::create(
*self.global().get_cx(),
CreateWith::Slice(&bytes),
MutableHandle::from_raw(self.mapping.handle_mut()),
)
ArrayBuffer::create(*cx, CreateWith::Slice(&bytes), array_buffer.handle_mut())
} {
Ok(_) => promise.resolve_native(&()),
Err(()) => {
@ -293,6 +290,7 @@ impl AsyncWGPUListener for GPUBuffer {
promise.reject_error(Error::Operation);
},
}
self.mapping.set(array_buffer.get());
self.state.set(GPUBufferState::Mapped);
},
_ => {