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/* -*- 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/. */
#ifndef GPU_Adapter_H_
#define GPU_Adapter_H_
#include <memory>
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/webgpu/WebGPUTypes.h"
#include "mozilla/IntegerPrintfMacros.h"
#include "nsPrintfCString.h"
#include "nsString.h"
#include "ObjectModel.h"
namespace mozilla {
class ErrorResult;
namespace dom {
class Promise;
struct GPUDeviceDescriptor;
struct GPUExtensions;
struct GPUFeatures;
enum class GPUFeatureName : uint8_t;
enum class WgpuBackend : uint8_t;
enum class WgpuDeviceType : uint8_t;
template <typename T>
class Sequence;
} // namespace dom
namespace webgpu {
class Device;
class Instance;
class SupportedFeatures;
class SupportedLimits;
class WebGPUChild;
namespace ffi {
struct WGPUAdapterInformation;
} // namespace ffi
class AdapterInfo final : public dom::NonRefcountedDOMObject {
private:
const std::shared_ptr<ffi::WGPUAdapterInformation> mAboutSupportInfo;
public:
explicit AdapterInfo(
const std::shared_ptr<ffi::WGPUAdapterInformation>& aAboutSupportInfo)
: mAboutSupportInfo(aAboutSupportInfo) {}
void GetVendor(nsString& s) const { s = nsString(); }
void GetArchitecture(nsString& s) const { s = nsString(); }
void GetDevice(nsString& s) const { s = nsString(); }
void GetDescription(nsString& s) const { s = nsString(); }
// Non-standard field getters; see also TODO BUGZILLA LINK
void GetWgpuName(nsString&) const;
uint32_t WgpuVendor() const;
uint32_t WgpuDevice() const;
void GetWgpuDeviceType(nsString&) const;
void GetWgpuDriver(nsString&) const;
void GetWgpuDriverInfo(nsString&) const;
void GetWgpuBackend(nsString&) const;
bool WrapObject(JSContext*, JS::Handle<JSObject*>,
JS::MutableHandle<JSObject*>);
};
inline auto ToHexCString(const uint64_t v) {
return nsPrintfCString("0x%" PRIx64, v);
}
class Adapter final : public ObjectBase, public ChildOf<Instance> {
public:
GPU_DECL_CYCLE_COLLECTION(Adapter)
GPU_DECL_JS_WRAP(Adapter)
RefPtr<WebGPUChild> mBridge;
private:
~Adapter();
void Cleanup();
const RawId mId;
// Cant have them as `const` right now, since we wouldn't be able
// to unlink them in CC unlink.
RefPtr<SupportedFeatures> mFeatures;
RefPtr<SupportedLimits> mLimits;
const std::shared_ptr<ffi::WGPUAdapterInformation> mInfo;
public:
Adapter(Instance* const aParent, WebGPUChild* const aBridge,
const std::shared_ptr<ffi::WGPUAdapterInformation>& aInfo);
const RefPtr<SupportedFeatures>& Features() const;
const RefPtr<SupportedLimits>& Limits() const;
bool IsFallbackAdapter() const;
nsCString LabelOrId() const {
nsCString ret = this->CLabel();
if (ret.IsEmpty()) {
ret = ToHexCString(mId);
}
return ret;
}
already_AddRefed<dom::Promise> RequestDevice(
const dom::GPUDeviceDescriptor& aDesc, ErrorResult& aRv);
already_AddRefed<dom::Promise> RequestAdapterInfo(
const dom::Sequence<nsString>& aUnmaskHints, ErrorResult& aRv) const;
};
} // namespace webgpu
} // namespace mozilla
#endif // GPU_Adapter_H_
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