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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/webgpu/worker_navigator_gpu.h"
#include "third_party/blink/renderer/core/workers/worker_navigator.h"
#include "third_party/blink/renderer/modules/webgpu/gpu.h"
namespace blink {
// static
WorkerNavigatorGPU& WorkerNavigatorGPU::From(WorkerNavigator& navigator) {
WorkerNavigatorGPU* supplement =
Supplement<WorkerNavigator>::From<WorkerNavigatorGPU>(navigator);
if (!supplement) {
supplement = MakeGarbageCollected<WorkerNavigatorGPU>(navigator);
ProvideTo(navigator, supplement);
}
return *supplement;
}
// static
GPU* WorkerNavigatorGPU::gpu(ScriptState* script_state,
WorkerNavigator& navigator) {
return WorkerNavigatorGPU::From(navigator).gpu(script_state);
}
GPU* WorkerNavigatorGPU::gpu(ScriptState* script_state) {
if (!gpu_) {
ExecutionContext* context = ExecutionContext::From(script_state);
DCHECK(context);
gpu_ = GPU::Create(*context);
}
return gpu_;
}
void WorkerNavigatorGPU::Trace(blink::Visitor* visitor) {
visitor->Trace(gpu_);
Supplement<WorkerNavigator>::Trace(visitor);
}
WorkerNavigatorGPU::WorkerNavigatorGPU(WorkerNavigator& navigator)
: Supplement<WorkerNavigator>(navigator) {}
const char WorkerNavigatorGPU::kSupplementName[] = "WorkerNavigatorGPU";
} // namespace blink
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