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Upgrade wgpu-core version to 0.5.0 and implement server-side logic for wgpu id recycling

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Remove current implementation of MapReadAsync
This commit is contained in:
Kunal Mohan 2020-05-20 11:28:10 +05:30
parent 1a74382603
commit a4f911699a
15 changed files with 504 additions and 339 deletions
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99
components/script/dom/gpubuffer.rs
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@ -11,21 +11,14 @@ use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::str::DOMString;
use crate::dom::bindings::trace::RootedTraceableBox;
use crate::dom::globalscope::GlobalScope;
use crate::dom::gpu::{response_async, AsyncWGPUListener};
use crate::dom::promise::Promise;
use crate::realms::InRealm;
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 js::typedarray::ArrayBuffer;
use std::cell::Cell;
use std::ptr;
use std::rc::Rc;
use webgpu::{
wgpu::resource::BufferUsage, WebGPU, WebGPUBuffer, WebGPUDevice, WebGPURequest, WebGPUResponse,
};
use webgpu::{WebGPU, WebGPUBuffer, WebGPUDevice, WebGPURequest};
// https://gpuweb.github.io/gpuweb/#buffer-state
#[derive(Clone, MallocSizeOf)]
@ -193,72 +186,6 @@ impl GPUBufferMethods for GPUBuffer {
*self.state.borrow_mut() = GPUBufferState::Destroyed;
}
#[allow(unsafe_code)]
/// https://gpuweb.github.io/gpuweb/#dom-gpubuffer-mapreadasync
fn MapReadAsync(&self, comp: InRealm) -> Rc<Promise> {
// Step 1 & 2
let promise = Promise::new_in_current_realm(&self.global(), comp);
match *self.state.borrow() {
GPUBufferState::Unmapped => {
match BufferUsage::from_bits(self.usage) {
Some(usage) => {
if !usage.contains(BufferUsage::MAP_READ) {
// TODO: Record validation error on the current scope
promise.reject_error(Error::Abort);
return promise;
};
},
None => {
promise.reject_error(Error::Abort);
return promise;
},
}
},
_ => {
promise.reject_error(Error::Abort);
return promise;
},
}
// Step 3
self.mapping.set(*promise.promise_obj());
// Step 4
*self.state.borrow_mut() = GPUBufferState::MappedPendingForReading;
// Step 5.1
if unsafe {
ArrayBuffer::create(
*self.global().get_cx(),
CreateWith::Length(self.size as u32),
MutableHandle::from_raw(self.mapping.handle_mut()),
)
}
.is_err()
{
promise.reject_error(Error::Operation);
return promise;
}
let sender = response_async(&promise, self);
if self
.channel
.0
.send(WebGPURequest::MapReadAsync {
sender,
buffer_id: self.buffer.0,
device_id: self.device.0,
usage: self.usage,
size: self.size,
})
.is_err()
{
promise.reject_error(Error::Operation);
return promise;
}
// Step 6
promise
}
/// https://gpuweb.github.io/gpuweb/#dom-gpuobjectbase-label
fn GetLabel(&self) -> Option<DOMString> {
self.label.borrow().clone()
@ -269,25 +196,3 @@ impl GPUBufferMethods for GPUBuffer {
*self.label.borrow_mut() = value;
}
}
impl AsyncWGPUListener for GPUBuffer {
#[allow(unsafe_code)]
fn handle_response(&self, response: WebGPUResponse, promise: &Rc<Promise>) {
match response {
WebGPUResponse::MapReadAsync(bytes) => unsafe {
match ArrayBuffer::from(self.mapping.get()) {
Ok(mut array_buffer) => {
// Step 5.2
array_buffer.update(&bytes);
// Step 5.3
*self.state.borrow_mut() = GPUBufferState::MappedForReading;
// Step 5.4
promise.resolve_native(&array_buffer);
},
_ => promise.reject_error(Error::Operation),
};
},
_ => promise.reject_error(Error::Operation),
}
}
}