1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "Instance.h"
#include "Adapter.h"
#include "gfxConfig.h"
#include "nsIGlobalObject.h"
#include "ipc/WebGPUChild.h"
#include "ipc/WebGPUTypes.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/layers/CompositorBridgeChild.h"
namespace mozilla {
namespace webgpu {
GPU_IMPL_CYCLE_COLLECTION(Instance, mBridge, mOwner)
/*static*/
already_AddRefed<Instance> Instance::Create(nsIGlobalObject* aOwner) {
RefPtr<WebGPUChild> bridge;
if (gfx::gfxConfig::IsEnabled(gfx::Feature::WEBGPU)) {
bridge = layers::CompositorBridgeChild::Get()->GetWebGPUChild();
if (NS_WARN_IF(!bridge)) {
MOZ_CRASH("Failed to create an IPDL bridge for WebGPU!");
}
}
RefPtr<Instance> result = new Instance(aOwner, bridge);
return result.forget();
}
Instance::Instance(nsIGlobalObject* aOwner, WebGPUChild* aBridge)
: mBridge(aBridge), mOwner(aOwner) {}
Instance::~Instance() { Cleanup(); }
void Instance::Cleanup() {}
JSObject* Instance::WrapObject(JSContext* cx,
JS::Handle<JSObject*> givenProto) {
return dom::GPU_Binding::Wrap(cx, this, givenProto);
}
already_AddRefed<dom::Promise> Instance::RequestAdapter(
const dom::GPURequestAdapterOptions& aOptions, ErrorResult& aRv) {
RefPtr<dom::Promise> promise = dom::Promise::Create(mOwner, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
if (!mBridge) {
promise->MaybeRejectWithInvalidStateError("WebGPU is not enabled!");
return promise.forget();
}
RefPtr<Instance> instance = this;
mBridge->InstanceRequestAdapter(aOptions)->Then(
GetMainThreadSerialEventTarget(), __func__,
[promise, instance](RawId id) {
MOZ_ASSERT(id != 0);
RefPtr<Adapter> adapter = new Adapter(instance, id);
promise->MaybeResolve(adapter);
},
[promise](const Maybe<ipc::ResponseRejectReason>& aRv) {
if (aRv.isSome()) {
promise->MaybeRejectWithAbortError("Internal communication error!");
} else {
promise->MaybeRejectWithInvalidStateError(
"No matching adapter found!");
}
});
return promise.forget();
}
} // namespace webgpu
} // namespace mozilla
|
