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// Copyright 2018 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.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGPU_GPU_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGPU_GPU_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_observer.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/core/execution_context/navigator_base.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/supplementable.h"
struct WGPUDeviceProperties;
namespace blink {
class GPUAdapter;
class GPUBuffer;
class GPURequestAdapterOptions;
class NavigatorBase;
class ScriptPromiseResolver;
class ScriptState;
class DawnControlClientHolder;
class MODULES_EXPORT GPU final : public ScriptWrappable,
public Supplement<NavigatorBase>,
public ExecutionContextLifecycleObserver {
DEFINE_WRAPPERTYPEINFO();
public:
static const char kSupplementName[];
// Getter for navigator.gpu
static GPU* gpu(NavigatorBase&);
explicit GPU(NavigatorBase&);
~GPU() override;
// ScriptWrappable overrides
void Trace(Visitor* visitor) const override;
// ExecutionContextLifecycleObserver overrides
void ContextDestroyed() override;
// gpu.idl
ScriptPromise requestAdapter(ScriptState* script_state,
const GPURequestAdapterOptions* options);
// Store the buffer in a weak hash set so we can destroy it when the
// context is destroyed. Note: there is no need to "untrack" buffers
// because Oilpan automatically removes them from the weak hash set
// when the GPUBuffer is garbage-collected.
// https://chromium.googlesource.com/chromium/src/+/refs/heads/main/third_party/blink/renderer/platform/heap/BlinkGCAPIReference.md#weak-collections
void TrackMappableBuffer(GPUBuffer* buffer);
void SetDawnControlClientHolderForTesting(
scoped_refptr<DawnControlClientHolder> dawn_control_client);
private:
void OnRequestAdapterCallback(ScriptState* script_state,
const GPURequestAdapterOptions* options,
ScriptPromiseResolver* resolver,
int32_t adapter_server_id,
const WGPUDeviceProperties& properties,
const char* error_message);
void RecordAdapterForIdentifiability(ScriptState* script_state,
const GPURequestAdapterOptions* options,
GPUAdapter* adapter) const;
scoped_refptr<DawnControlClientHolder> dawn_control_client_;
HeapHashSet<WeakMember<GPUBuffer>> mappable_buffers_;
DISALLOW_COPY_AND_ASSIGN(GPU);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGPU_GPU_H_
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