128 lines
3.7 KiB
C++
128 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GPU_Adapter_H_
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#define GPU_Adapter_H_
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#include <memory>
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#include "mozilla/AlreadyAddRefed.h"
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#include "mozilla/webgpu/WebGPUTypes.h"
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#include "mozilla/IntegerPrintfMacros.h"
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#include "nsPrintfCString.h"
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#include "nsString.h"
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#include "ObjectModel.h"
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class Promise;
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struct GPUDeviceDescriptor;
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struct GPUExtensions;
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struct GPUFeatures;
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enum class GPUFeatureName : uint8_t;
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enum class WgpuBackend : uint8_t;
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enum class WgpuDeviceType : uint8_t;
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template <typename T>
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class Sequence;
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} // namespace dom
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namespace webgpu {
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class Adapter;
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class Device;
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class Instance;
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class SupportedFeatures;
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class SupportedLimits;
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class WebGPUChild;
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namespace ffi {
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struct WGPUAdapterInformation;
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} // namespace ffi
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class AdapterInfo final : public nsWrapperCache, public ChildOf<Adapter> {
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public:
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GPU_DECL_CYCLE_COLLECTION(AdapterInfo)
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GPU_DECL_JS_WRAP(AdapterInfo)
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protected:
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const std::shared_ptr<ffi::WGPUAdapterInformation> mAboutSupportInfo;
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~AdapterInfo() = default;
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void Cleanup() {}
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public:
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explicit AdapterInfo(
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Adapter* const aParent,
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const std::shared_ptr<ffi::WGPUAdapterInformation>& aAboutSupportInfo)
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: ChildOf(aParent), mAboutSupportInfo(aAboutSupportInfo) {}
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/// Changing implementation in a way that increases fingerprinting
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/// surface? Please create a bug in [Core::Privacy: Anti
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/// Tracking](https://bugzilla.mozilla.org/enter_bug.cgi?product=Core&component=Privacy%3A%20Anti-Tracking)
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void GetVendor(nsString& s) const { s = nsString(); }
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void GetArchitecture(nsString& s) const { s = nsString(); }
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void GetDevice(nsString& s) const { s = nsString(); }
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void GetDescription(nsString& s) const { s = nsString(); }
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uint32_t SubgroupMinSize() const;
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uint32_t SubgroupMaxSize() const;
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bool IsFallbackAdapter() const;
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// Non-standard field getters; see also TODO BUGZILLA LINK
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void GetWgpuName(nsString&) const;
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uint32_t WgpuVendor() const;
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uint32_t WgpuDevice() const;
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void GetWgpuDeviceType(nsString&) const;
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void GetWgpuDriver(nsString&) const;
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void GetWgpuDriverInfo(nsString&) const;
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void GetWgpuBackend(nsString&) const;
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};
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inline auto ToHexCString(const uint64_t v) {
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return nsPrintfCString("0x%" PRIx64, v);
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}
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class Adapter final : public ObjectBase, public ChildOf<Instance> {
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public:
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GPU_DECL_CYCLE_COLLECTION(Adapter)
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GPU_DECL_JS_WRAP(Adapter)
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RefPtr<WebGPUChild> mBridge;
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private:
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~Adapter();
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void Cleanup();
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const RawId mId;
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// Cant have them as `const` right now, since we wouldn't be able
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// to unlink them in CC unlink.
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RefPtr<SupportedFeatures> mFeatures;
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RefPtr<SupportedLimits> mLimits;
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RefPtr<AdapterInfo> mInfo;
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const std::shared_ptr<ffi::WGPUAdapterInformation> mInfoInner;
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public:
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Adapter(Instance* const aParent, WebGPUChild* const aBridge,
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const std::shared_ptr<ffi::WGPUAdapterInformation>& aInfo);
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const RefPtr<SupportedFeatures>& Features() const;
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const RefPtr<SupportedLimits>& Limits() const;
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const RefPtr<AdapterInfo>& Info() const;
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bool IsFallbackAdapter() const;
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bool SupportExternalTextureInSwapChain() const;
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uint64_t MissingFeatures() const;
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nsCString LabelOrId() const {
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nsCString ret = this->CLabel();
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if (ret.IsEmpty()) {
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ret = ToHexCString(mId);
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}
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return ret;
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}
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already_AddRefed<dom::Promise> RequestDevice(
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const dom::GPUDeviceDescriptor& aDesc, ErrorResult& aRv);
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};
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} // namespace webgpu
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} // namespace mozilla
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#endif // GPU_Adapter_H_
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