Rename AdapterBase -> PhysicalDeviceBase.

AdapterBase will become a (thin) wrapper class in an upcoming patch,
allowing a single PhysicalDeviceBase to be wrapped in multiple AdapterBases,
each with different toggles and flags.

For now, alias AdapterBase to PhysicalDeviceBase.

Design doc: https://docs.google.com/document/d/1Ag3UAD6D1OVt9-MwKltzLefVhwKRdX0RqML2etrYVS4/edit

Change-Id: Ie77e99508be5285b651aa24ccb412bc9ff8b0111
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/130300
Reviewed-by: Austin Eng <enga@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Stephen White <senorblanco@chromium.org>

include/dawn/native/DawnNative.h

@@ -34,8 +34,7 @@ struct DeviceDescriptor;
 namespace dawn::native {
 
 class InstanceBase;
-class AdapterBase;
+class PhysicalDeviceBase;
-
 // An optional parameter of Adapter::CreateDevice() to send additional information when creating
 // a Device. For example, we can use it to enable a workaround, optimization or feature.
 struct DAWN_NATIVE_EXPORT DawnDeviceDescriptor {
@@ -85,8 +84,10 @@ struct FeatureInfo {
 class DAWN_NATIVE_EXPORT Adapter {
   public:
     Adapter();
+    // TODO(dawn:1774): all references to PhysicalDeviceBase in this class will go back to
+    // using AdapterBase once the latter becomes a real class again.
     // NOLINTNEXTLINE(runtime/explicit)
-    Adapter(AdapterBase* impl);
+    Adapter(PhysicalDeviceBase* impl);
     ~Adapter();
 
     Adapter(const Adapter& other);
@@ -131,7 +132,7 @@ class DAWN_NATIVE_EXPORT Adapter {
     void ResetInternalDeviceForTesting();
 
   private:
-    AdapterBase* mImpl = nullptr;
+    PhysicalDeviceBase* mImpl = nullptr;
 };
 
 // Base class for options passed to Instance::DiscoverAdapters.

src/dawn/native/Adapter.h

@@ -15,127 +15,12 @@
 #ifndef SRC_DAWN_NATIVE_ADAPTER_H_
 #define SRC_DAWN_NATIVE_ADAPTER_H_
 
-#include <string>
+#include "dawn/native/PhysicalDevice.h"
-#include <vector>
-
-#include "dawn/native/DawnNative.h"
-
-#include "dawn/common/GPUInfo.h"
-#include "dawn/common/RefCounted.h"
-#include "dawn/common/ityp_span.h"
-#include "dawn/native/Error.h"
-#include "dawn/native/Features.h"
-#include "dawn/native/Limits.h"
-#include "dawn/native/Toggles.h"
-#include "dawn/native/dawn_platform.h"
 
 namespace dawn::native {
 
-class DeviceBase;
+using AdapterBase = PhysicalDeviceBase;
 
-class AdapterBase : public RefCounted {
+}
-  public:
-    AdapterBase(InstanceBase* instance,
-                wgpu::BackendType backend,
-                const TogglesState& adapterToggles);
-    ~AdapterBase() override;
-
-    MaybeError Initialize();
-
-    // WebGPU API
-    InstanceBase* APIGetInstance() const;
-    bool APIGetLimits(SupportedLimits* limits) const;
-    void APIGetProperties(AdapterProperties* properties) const;
-    bool APIHasFeature(wgpu::FeatureName feature) const;
-    size_t APIEnumerateFeatures(wgpu::FeatureName* features) const;
-    void APIRequestDevice(const DeviceDescriptor* descriptor,
-                          WGPURequestDeviceCallback callback,
-                          void* userdata);
-    DeviceBase* APICreateDevice(const DeviceDescriptor* descriptor = nullptr);
-
-    uint32_t GetVendorId() const;
-    uint32_t GetDeviceId() const;
-    const gpu_info::DriverVersion& GetDriverVersion() const;
-    wgpu::BackendType GetBackendType() const;
-
-    // This method differs from APIGetInstance() in that it won't increase the ref count of the
-    // instance.
-    InstanceBase* GetInstance() const;
-
-    void ResetInternalDeviceForTesting();
-
-    FeaturesSet GetSupportedFeatures() const;
-    bool SupportsAllRequiredFeatures(
-        const ityp::span<size_t, const wgpu::FeatureName>& features) const;
-
-    bool GetLimits(SupportedLimits* limits) const;
-
-    void SetUseTieredLimits(bool useTieredLimits);
-
-    // Get the actual toggles state of the adapter.
-    const TogglesState& GetTogglesState() const;
-
-    virtual bool SupportsExternalImages() const = 0;
-
-  protected:
-    uint32_t mVendorId = 0xFFFFFFFF;
-    std::string mVendorName;
-    std::string mArchitectureName;
-    uint32_t mDeviceId = 0xFFFFFFFF;
-    std::string mName;
-    wgpu::AdapterType mAdapterType = wgpu::AdapterType::Unknown;
-    gpu_info::DriverVersion mDriverVersion;
-    std::string mDriverDescription;
-
-    // Mark a feature as enabled in mSupportedFeatures.
-    void EnableFeature(Feature feature);
-    // Check if a feature os supported by this adapter AND suitable with given toggles.
-    // TODO(dawn:1495): After implementing adapter toggles, remove this and use adapter toggles
-    // instead of device toggles to validate supported features.
-    MaybeError ValidateFeatureSupportedWithToggles(wgpu::FeatureName feature,
-                                                   const TogglesState& toggles) const;
-    // Used for the tests that intend to use an adapter without all features enabled.
-    void SetSupportedFeaturesForTesting(const std::vector<wgpu::FeatureName>& requiredFeatures);
-
-  private:
-    // Backend-specific force-setting and defaulting device toggles
-    virtual void SetupBackendDeviceToggles(TogglesState* deviceToggles) const = 0;
-
-    virtual ResultOrError<Ref<DeviceBase>> CreateDeviceImpl(const DeviceDescriptor* descriptor,
-                                                            const TogglesState& deviceToggles) = 0;
-
-    virtual MaybeError InitializeImpl() = 0;
-
-    // Check base WebGPU features and discover supported features.
-    virtual void InitializeSupportedFeaturesImpl() = 0;
-
-    // Check base WebGPU limits and populate supported limits.
-    virtual MaybeError InitializeSupportedLimitsImpl(CombinedLimits* limits) = 0;
-
-    virtual void InitializeVendorArchitectureImpl();
-
-    virtual MaybeError ValidateFeatureSupportedWithTogglesImpl(
-        wgpu::FeatureName feature,
-        const TogglesState& toggles) const = 0;
-
-    ResultOrError<Ref<DeviceBase>> CreateDeviceInternal(const DeviceDescriptor* descriptor);
-
-    virtual MaybeError ResetInternalDeviceForTestingImpl();
-    Ref<InstanceBase> mInstance;
-    wgpu::BackendType mBackend;
-
-    // Adapter toggles state, currently only inherited from instance toggles state.
-    TogglesState mTogglesState;
-
-    // Features set that CAN be supported by devices of this adapter. Some features in this set may
-    // be guarded by toggles, and creating a device with these features required may result in a
-    // validation error if proper toggles are not enabled/disabled.
-    FeaturesSet mSupportedFeatures;
-
-    CombinedLimits mLimits;
-    bool mUseTieredLimits = false;
-};
-
-}  // namespace dawn::native
 
 #endif  // SRC_DAWN_NATIVE_ADAPTER_H_

src/dawn/native/BUILD.gn

@@ -184,7 +184,6 @@ source_set("sources") {
 
   sources = get_target_outputs(":utils_gen")
   sources += [
-    "Adapter.cpp",
     "Adapter.h",
     "ApplyClearColorValueWithDrawHelper.cpp",
     "ApplyClearColorValueWithDrawHelper.h",
@@ -290,6 +289,8 @@ source_set("sources") {
     "PassResourceUsageTracker.h",
     "PerStage.cpp",
     "PerStage.h",
+    "PhysicalDevice.cpp",
+    "PhysicalDevice.h",
     "Pipeline.cpp",
     "Pipeline.h",
     "PipelineCache.cpp",

src/dawn/native/BackendConnection.cpp

@@ -28,7 +28,7 @@ InstanceBase* BackendConnection::GetInstance() const {
     return mInstance;
 }
 
-ResultOrError<std::vector<Ref<AdapterBase>>> BackendConnection::DiscoverAdapters(
+ResultOrError<std::vector<Ref<PhysicalDeviceBase>>> BackendConnection::DiscoverAdapters(
     const AdapterDiscoveryOptionsBase* options,
     const TogglesState& adapterToggles) {
     return DAWN_VALIDATION_ERROR("DiscoverAdapters not implemented for this backend.");

src/dawn/native/BackendConnection.h

@@ -18,8 +18,8 @@
 #include <memory>
 #include <vector>
 
-#include "dawn/native/Adapter.h"
 #include "dawn/native/DawnNative.h"
+#include "dawn/native/PhysicalDevice.h"
 #include "dawn/native/Toggles.h"
 
 namespace dawn::native {
@@ -36,11 +36,11 @@ class BackendConnection {
 
     // Returns all the adapters for the system that can be created by the backend, without extra
     // options (such as debug adapters, custom driver libraries, etc.)
-    virtual std::vector<Ref<AdapterBase>> DiscoverDefaultAdapters(
+    virtual std::vector<Ref<PhysicalDeviceBase>> DiscoverDefaultAdapters(
         const TogglesState& adapterToggles) = 0;
 
     // Returns new adapters created with the backend-specific options.
-    virtual ResultOrError<std::vector<Ref<AdapterBase>>> DiscoverAdapters(
+    virtual ResultOrError<std::vector<Ref<PhysicalDeviceBase>>> DiscoverAdapters(
         const AdapterDiscoveryOptionsBase* options,
         const TogglesState& adapterToggles);
 

src/dawn/native/CMakeLists.txt

@@ -30,7 +30,6 @@ target_sources(dawn_native PRIVATE
     "${DAWN_INCLUDE_DIR}/dawn/native/DawnNative.h"
     "${DAWN_INCLUDE_DIR}/dawn/native/dawn_native_export.h"
     ${DAWN_NATIVE_UTILS_GEN_SOURCES}
-    "Adapter.cpp"
     "Adapter.h"
     "ApplyClearColorValueWithDrawHelper.cpp"
     "ApplyClearColorValueWithDrawHelper.h"
@@ -136,6 +135,8 @@ target_sources(dawn_native PRIVATE
     "PassResourceUsageTracker.h"
     "PerStage.cpp"
     "PerStage.h"
+    "PhysicalDevice.cpp"
+    "PhysicalDevice.h"
     "Pipeline.cpp"
     "Pipeline.h"
     "PipelineCache.cpp"

src/dawn/native/CommandValidation.cpp

@@ -22,7 +22,6 @@
 
 #include "dawn/common/BitSetIterator.h"
 #include "dawn/common/Numeric.h"
-#include "dawn/native/Adapter.h"
 #include "dawn/native/BindGroup.h"
 #include "dawn/native/Buffer.h"
 #include "dawn/native/CommandBufferStateTracker.h"
@@ -30,6 +29,7 @@
 #include "dawn/native/Device.h"
 #include "dawn/native/Instance.h"
 #include "dawn/native/PassResourceUsage.h"
+#include "dawn/native/PhysicalDevice.h"
 #include "dawn/native/QuerySet.h"
 #include "dawn/native/RenderBundle.h"
 #include "dawn/native/RenderPipeline.h"

src/dawn/native/DawnNative.cpp

@@ -81,7 +81,7 @@ DawnDeviceDescriptor::~DawnDeviceDescriptor() = default;
 
 Adapter::Adapter() = default;
 
-Adapter::Adapter(AdapterBase* impl) : mImpl(impl) {
+Adapter::Adapter(PhysicalDeviceBase* impl) : mImpl(impl) {
     if (mImpl != nullptr) {
         mImpl->Reference();
     }
@@ -210,7 +210,7 @@ bool Instance::DiscoverAdapters(const AdapterDiscoveryOptionsBase* options) {
 std::vector<Adapter> Instance::GetAdapters() const {
     // Adapters are owned by mImpl so it is safe to return non RAII pointers to them
     std::vector<Adapter> adapters;
-    for (const Ref<AdapterBase>& adapter : mImpl->GetAdapters()) {
+    for (const Ref<PhysicalDeviceBase>& adapter : mImpl->GetAdapters()) {
         adapters.push_back(Adapter(adapter.Get()));
     }
     return adapters;

src/dawn/native/Device.cpp

@@ -21,7 +21,6 @@
 
 #include "dawn/common/Log.h"
 #include "dawn/common/Version_autogen.h"
-#include "dawn/native/Adapter.h"
 #include "dawn/native/AsyncTask.h"
 #include "dawn/native/AttachmentState.h"
 #include "dawn/native/BindGroup.h"
@@ -42,6 +41,7 @@
 #include "dawn/native/Instance.h"
 #include "dawn/native/InternalPipelineStore.h"
 #include "dawn/native/ObjectType_autogen.h"
+#include "dawn/native/PhysicalDevice.h"
 #include "dawn/native/PipelineCache.h"
 #include "dawn/native/QuerySet.h"
 #include "dawn/native/Queue.h"
@@ -719,7 +719,7 @@ ApiObjectList* DeviceBase::GetObjectTrackingList(ObjectType type) {
     return &mObjectLists[type];
 }
 
-AdapterBase* DeviceBase::GetAdapter() const {
+PhysicalDeviceBase* DeviceBase::GetAdapter() const {
     return mAdapter.Get();
 }
 
@@ -1345,7 +1345,7 @@ MaybeError DeviceBase::Tick() {
     return {};
 }
 
-AdapterBase* DeviceBase::APIGetAdapter() {
+PhysicalDeviceBase* DeviceBase::APIGetAdapter() {
     mAdapter->Reference();
     return mAdapter.Get();
 }

src/dawn/native/Forward.h

@@ -24,7 +24,6 @@ namespace dawn::native {
 
 enum class ObjectType : uint32_t;
 
-class AdapterBase;
 class BindGroupBase;
 class BindGroupLayoutBase;
 class BufferBase;
@@ -34,6 +33,7 @@ class CommandEncoder;
 class ComputePassEncoder;
 class ExternalTextureBase;
 class InstanceBase;
+class PhysicalDeviceBase;
 class PipelineBase;
 class PipelineCacheBase;
 class PipelineLayoutBase;
@@ -51,6 +51,8 @@ class SwapChainBase;
 class TextureBase;
 class TextureViewBase;
 
+using AdapterBase = PhysicalDeviceBase;
+
 class DeviceBase;
 
 template <typename T>

src/dawn/native/PhysicalDevice.cpp

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "dawn/native/Adapter.h"
+#include "dawn/native/PhysicalDevice.h"
 
 #include <algorithm>
 #include <memory>
@@ -27,16 +27,16 @@
 
 namespace dawn::native {
 
-AdapterBase::AdapterBase(InstanceBase* instance,
+PhysicalDeviceBase::PhysicalDeviceBase(InstanceBase* instance,
                                        wgpu::BackendType backend,
                                        const TogglesState& adapterToggles)
     : mInstance(instance), mBackend(backend), mTogglesState(adapterToggles) {
     ASSERT(adapterToggles.GetStage() == ToggleStage::Adapter);
 }
 
-AdapterBase::~AdapterBase() = default;
+PhysicalDeviceBase::~PhysicalDeviceBase() = default;
 
-MaybeError AdapterBase::Initialize() {
+MaybeError PhysicalDeviceBase::Initialize() {
     DAWN_TRY_CONTEXT(InitializeImpl(), "initializing adapter (backend=%s)", mBackend);
     InitializeVendorArchitectureImpl();
 
@@ -84,18 +84,18 @@ MaybeError AdapterBase::Initialize() {
     return {};
 }
 
-InstanceBase* AdapterBase::APIGetInstance() const {
+InstanceBase* PhysicalDeviceBase::APIGetInstance() const {
     auto instance = GetInstance();
     ASSERT(instance != nullptr);
     instance->APIReference();
     return instance;
 }
 
-bool AdapterBase::APIGetLimits(SupportedLimits* limits) const {
+bool PhysicalDeviceBase::APIGetLimits(SupportedLimits* limits) const {
     return GetLimits(limits);
 }
 
-void AdapterBase::APIGetProperties(AdapterProperties* properties) const {
+void PhysicalDeviceBase::APIGetProperties(AdapterProperties* properties) const {
     MaybeError result = ValidateSingleSType(properties->nextInChain,
                                             wgpu::SType::DawnAdapterPropertiesPowerPreference);
     if (result.IsError()) {
@@ -119,15 +119,15 @@ void AdapterBase::APIGetProperties(AdapterProperties* properties) const {
     properties->backendType = mBackend;
 }
 
-bool AdapterBase::APIHasFeature(wgpu::FeatureName feature) const {
+bool PhysicalDeviceBase::APIHasFeature(wgpu::FeatureName feature) const {
     return mSupportedFeatures.IsEnabled(feature);
 }
 
-size_t AdapterBase::APIEnumerateFeatures(wgpu::FeatureName* features) const {
+size_t PhysicalDeviceBase::APIEnumerateFeatures(wgpu::FeatureName* features) const {
     return mSupportedFeatures.EnumerateFeatures(features);
 }
 
-DeviceBase* AdapterBase::APICreateDevice(const DeviceDescriptor* descriptor) {
+DeviceBase* PhysicalDeviceBase::APICreateDevice(const DeviceDescriptor* descriptor) {
     DeviceDescriptor defaultDesc = {};
     if (descriptor == nullptr) {
         descriptor = &defaultDesc;
@@ -140,7 +140,7 @@ DeviceBase* AdapterBase::APICreateDevice(const DeviceDescriptor* descriptor) {
     return result.AcquireSuccess().Detach();
 }
 
-void AdapterBase::APIRequestDevice(const DeviceDescriptor* descriptor,
+void PhysicalDeviceBase::APIRequestDevice(const DeviceDescriptor* descriptor,
                                           WGPURequestDeviceCallback callback,
                                           void* userdata) {
     static constexpr DeviceDescriptor kDefaultDescriptor = {};
@@ -165,36 +165,36 @@ void AdapterBase::APIRequestDevice(const DeviceDescriptor* descriptor,
     callback(status, ToAPI(device.Detach()), nullptr, userdata);
 }
 
-void AdapterBase::InitializeVendorArchitectureImpl() {
+void PhysicalDeviceBase::InitializeVendorArchitectureImpl() {
     mVendorName = gpu_info::GetVendorName(mVendorId);
     mArchitectureName = gpu_info::GetArchitectureName(mVendorId, mDeviceId);
 }
 
-uint32_t AdapterBase::GetVendorId() const {
+uint32_t PhysicalDeviceBase::GetVendorId() const {
     return mVendorId;
 }
 
-uint32_t AdapterBase::GetDeviceId() const {
+uint32_t PhysicalDeviceBase::GetDeviceId() const {
     return mDeviceId;
 }
 
-const gpu_info::DriverVersion& AdapterBase::GetDriverVersion() const {
+const gpu_info::DriverVersion& PhysicalDeviceBase::GetDriverVersion() const {
     return mDriverVersion;
 }
 
-wgpu::BackendType AdapterBase::GetBackendType() const {
+wgpu::BackendType PhysicalDeviceBase::GetBackendType() const {
     return mBackend;
 }
 
-InstanceBase* AdapterBase::GetInstance() const {
+InstanceBase* PhysicalDeviceBase::GetInstance() const {
     return mInstance.Get();
 }
 
-FeaturesSet AdapterBase::GetSupportedFeatures() const {
+FeaturesSet PhysicalDeviceBase::GetSupportedFeatures() const {
     return mSupportedFeatures;
 }
 
-bool AdapterBase::SupportsAllRequiredFeatures(
+bool PhysicalDeviceBase::SupportsAllRequiredFeatures(
     const ityp::span<size_t, const wgpu::FeatureName>& features) const {
     for (wgpu::FeatureName f : features) {
         if (!mSupportedFeatures.IsEnabled(f)) {
@@ -204,7 +204,7 @@ bool AdapterBase::SupportsAllRequiredFeatures(
     return true;
 }
 
-bool AdapterBase::GetLimits(SupportedLimits* limits) const {
+bool PhysicalDeviceBase::GetLimits(SupportedLimits* limits) const {
     ASSERT(limits != nullptr);
     if (limits->nextInChain != nullptr) {
         return false;
@@ -217,15 +217,16 @@ bool AdapterBase::GetLimits(SupportedLimits* limits) const {
     return true;
 }
 
-const TogglesState& AdapterBase::GetTogglesState() const {
+const TogglesState& PhysicalDeviceBase::GetTogglesState() const {
     return mTogglesState;
 }
 
-void AdapterBase::EnableFeature(Feature feature) {
+void PhysicalDeviceBase::EnableFeature(Feature feature) {
     mSupportedFeatures.EnableFeature(feature);
 }
 
-MaybeError AdapterBase::ValidateFeatureSupportedWithToggles(wgpu::FeatureName feature,
+MaybeError PhysicalDeviceBase::ValidateFeatureSupportedWithToggles(
+    wgpu::FeatureName feature,
     const TogglesState& toggles) const {
     DAWN_TRY(ValidateFeatureName(feature));
     DAWN_INVALID_IF(!mSupportedFeatures.IsEnabled(feature),
@@ -243,7 +244,7 @@ MaybeError AdapterBase::ValidateFeatureSupportedWithToggles(wgpu::FeatureName fe
     return ValidateFeatureSupportedWithTogglesImpl(feature, toggles);
 }
 
-void AdapterBase::SetSupportedFeaturesForTesting(
+void PhysicalDeviceBase::SetSupportedFeaturesForTesting(
     const std::vector<wgpu::FeatureName>& requiredFeatures) {
     mSupportedFeatures = {};
     for (wgpu::FeatureName f : requiredFeatures) {
@@ -251,7 +252,7 @@ void AdapterBase::SetSupportedFeaturesForTesting(
     }
 }
 
-ResultOrError<Ref<DeviceBase>> AdapterBase::CreateDeviceInternal(
+ResultOrError<Ref<DeviceBase>> PhysicalDeviceBase::CreateDeviceInternal(
     const DeviceDescriptor* descriptor) {
     ASSERT(descriptor != nullptr);
 
@@ -291,15 +292,15 @@ ResultOrError<Ref<DeviceBase>> AdapterBase::CreateDeviceInternal(
     return CreateDeviceImpl(descriptor, deviceToggles);
 }
 
-void AdapterBase::SetUseTieredLimits(bool useTieredLimits) {
+void PhysicalDeviceBase::SetUseTieredLimits(bool useTieredLimits) {
     mUseTieredLimits = useTieredLimits;
 }
 
-void AdapterBase::ResetInternalDeviceForTesting() {
+void PhysicalDeviceBase::ResetInternalDeviceForTesting() {
     mInstance->ConsumedError(ResetInternalDeviceForTestingImpl());
 }
 
-MaybeError AdapterBase::ResetInternalDeviceForTestingImpl() {
+MaybeError PhysicalDeviceBase::ResetInternalDeviceForTestingImpl() {
     return DAWN_INTERNAL_ERROR(
         "ResetInternalDeviceForTesting should only be used with the D3D12 backend.");
 }

src/dawn/native/PhysicalDevice.h

@@ -0,0 +1,141 @@
+// Copyright 2018 The Dawn Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef SRC_DAWN_NATIVE_PHYSICALDEVICE_H_
+#define SRC_DAWN_NATIVE_PHYSICALDEVICE_H_
+
+#include <string>
+#include <vector>
+
+#include "dawn/native/DawnNative.h"
+
+#include "dawn/common/GPUInfo.h"
+#include "dawn/common/RefCounted.h"
+#include "dawn/common/ityp_span.h"
+#include "dawn/native/Error.h"
+#include "dawn/native/Features.h"
+#include "dawn/native/Limits.h"
+#include "dawn/native/Toggles.h"
+#include "dawn/native/dawn_platform.h"
+
+namespace dawn::native {
+
+class DeviceBase;
+
+class PhysicalDeviceBase : public RefCounted {
+  public:
+    PhysicalDeviceBase(InstanceBase* instance,
+                       wgpu::BackendType backend,
+                       const TogglesState& adapterToggles);
+    ~PhysicalDeviceBase() override;
+
+    MaybeError Initialize();
+
+    // WebGPU API
+    InstanceBase* APIGetInstance() const;
+    bool APIGetLimits(SupportedLimits* limits) const;
+    void APIGetProperties(AdapterProperties* properties) const;
+    bool APIHasFeature(wgpu::FeatureName feature) const;
+    size_t APIEnumerateFeatures(wgpu::FeatureName* features) const;
+    void APIRequestDevice(const DeviceDescriptor* descriptor,
+                          WGPURequestDeviceCallback callback,
+                          void* userdata);
+    DeviceBase* APICreateDevice(const DeviceDescriptor* descriptor = nullptr);
+
+    uint32_t GetVendorId() const;
+    uint32_t GetDeviceId() const;
+    const gpu_info::DriverVersion& GetDriverVersion() const;
+    wgpu::BackendType GetBackendType() const;
+
+    // This method differs from APIGetInstance() in that it won't increase the ref count of the
+    // instance.
+    InstanceBase* GetInstance() const;
+
+    void ResetInternalDeviceForTesting();
+
+    FeaturesSet GetSupportedFeatures() const;
+    bool SupportsAllRequiredFeatures(
+        const ityp::span<size_t, const wgpu::FeatureName>& features) const;
+
+    bool GetLimits(SupportedLimits* limits) const;
+
+    void SetUseTieredLimits(bool useTieredLimits);
+
+    // Get the actual toggles state of the adapter.
+    const TogglesState& GetTogglesState() const;
+
+    virtual bool SupportsExternalImages() const = 0;
+
+  protected:
+    uint32_t mVendorId = 0xFFFFFFFF;
+    std::string mVendorName;
+    std::string mArchitectureName;
+    uint32_t mDeviceId = 0xFFFFFFFF;
+    std::string mName;
+    wgpu::AdapterType mAdapterType = wgpu::AdapterType::Unknown;
+    gpu_info::DriverVersion mDriverVersion;
+    std::string mDriverDescription;
+
+    // Mark a feature as enabled in mSupportedFeatures.
+    void EnableFeature(Feature feature);
+    // Check if a feature os supported by this adapter AND suitable with given toggles.
+    // TODO(dawn:1495): After implementing adapter toggles, remove this and use adapter toggles
+    // instead of device toggles to validate supported features.
+    MaybeError ValidateFeatureSupportedWithToggles(wgpu::FeatureName feature,
+                                                   const TogglesState& toggles) const;
+    // Used for the tests that intend to use an adapter without all features enabled.
+    void SetSupportedFeaturesForTesting(const std::vector<wgpu::FeatureName>& requiredFeatures);
+
+  private:
+    // Backend-specific force-setting and defaulting device toggles
+    virtual void SetupBackendDeviceToggles(TogglesState* deviceToggles) const = 0;
+
+    virtual ResultOrError<Ref<DeviceBase>> CreateDeviceImpl(const DeviceDescriptor* descriptor,
+                                                            const TogglesState& deviceToggles) = 0;
+
+    virtual MaybeError InitializeImpl() = 0;
+
+    // Check base WebGPU features and discover supported features.
+    virtual void InitializeSupportedFeaturesImpl() = 0;
+
+    // Check base WebGPU limits and populate supported limits.
+    virtual MaybeError InitializeSupportedLimitsImpl(CombinedLimits* limits) = 0;
+
+    virtual void InitializeVendorArchitectureImpl();
+
+    virtual MaybeError ValidateFeatureSupportedWithTogglesImpl(
+        wgpu::FeatureName feature,
+        const TogglesState& toggles) const = 0;
+
+    ResultOrError<Ref<DeviceBase>> CreateDeviceInternal(const DeviceDescriptor* descriptor);
+
+    virtual MaybeError ResetInternalDeviceForTestingImpl();
+    Ref<InstanceBase> mInstance;
+    wgpu::BackendType mBackend;
+
+    // Adapter toggles state, currently only inherited from instance toggles state.
+    TogglesState mTogglesState;
+
+    // Features set that CAN be supported by devices of this adapter. Some features in this set may
+    // be guarded by toggles, and creating a device with these features required may result in a
+    // validation error if proper toggles are not enabled/disabled.
+    FeaturesSet mSupportedFeatures;
+
+    CombinedLimits mLimits;
+    bool mUseTieredLimits = false;
+};
+
+}  // namespace dawn::native
+
+#endif  // SRC_DAWN_NATIVE_PHYSICALDEVICE_H_

src/dawn/native/SwapChain.cpp

@@ -15,9 +15,9 @@
 #include "dawn/native/SwapChain.h"
 
 #include "dawn/common/Constants.h"
-#include "dawn/native/Adapter.h"
 #include "dawn/native/Device.h"
 #include "dawn/native/ObjectType_autogen.h"
+#include "dawn/native/PhysicalDevice.h"
 #include "dawn/native/Surface.h"
 #include "dawn/native/Texture.h"
 #include "dawn/native/ValidationUtils_autogen.h"

src/dawn/native/Texture.cpp

@@ -20,12 +20,12 @@
 #include "dawn/common/Assert.h"
 #include "dawn/common/Constants.h"
 #include "dawn/common/Math.h"
-#include "dawn/native/Adapter.h"
 #include "dawn/native/ChainUtils_autogen.h"
 #include "dawn/native/Device.h"
 #include "dawn/native/EnumMaskIterator.h"
 #include "dawn/native/ObjectType_autogen.h"
 #include "dawn/native/PassResourceUsage.h"
+#include "dawn/native/PhysicalDevice.h"
 #include "dawn/native/ValidationUtils_autogen.h"
 
 namespace dawn::native {

src/dawn/native/ToBackend.h

@@ -24,7 +24,7 @@ template <typename T, typename BackendTraits>
 struct ToBackendTraits;
 
 template <typename BackendTraits>
-struct ToBackendTraits<AdapterBase, BackendTraits> {
+struct ToBackendTraits<PhysicalDeviceBase, BackendTraits> {
     using BackendType = typename BackendTraits::AdapterType;
 };
 

src/dawn/native/d3d/AdapterD3D.cpp

@@ -26,7 +26,7 @@ Adapter::Adapter(Backend* backend,
                  ComPtr<IDXGIAdapter3> hardwareAdapter,
                  wgpu::BackendType backendType,
                  const TogglesState& adapterToggles)
-    : AdapterBase(backend->GetInstance(), backendType, adapterToggles),
+    : PhysicalDeviceBase(backend->GetInstance(), backendType, adapterToggles),
       mHardwareAdapter(std::move(hardwareAdapter)),
       mBackend(backend) {}
 

src/dawn/native/d3d/AdapterD3D.h

@@ -15,7 +15,7 @@
 #ifndef SRC_DAWN_NATIVE_D3D_ADAPTERD3D_H_
 #define SRC_DAWN_NATIVE_D3D_ADAPTERD3D_H_
 
-#include "dawn/native/Adapter.h"
+#include "dawn/native/PhysicalDevice.h"
 
 #include "dawn/native/d3d/d3d_platform.h"
 
@@ -23,7 +23,7 @@ namespace dawn::native::d3d {
 
 class Backend;
 
-class Adapter : public AdapterBase {
+class Adapter : public PhysicalDeviceBase {
   public:
     Adapter(Backend* backend,
             ComPtr<IDXGIAdapter3> hardwareAdapter,

src/dawn/native/d3d/BackendD3D.cpp

@@ -238,26 +238,27 @@ const PlatformFunctions* Backend::GetFunctions() const {
     return mFunctions.get();
 }
 
-std::vector<Ref<AdapterBase>> Backend::DiscoverDefaultAdapters(const TogglesState& adapterToggles) {
+std::vector<Ref<PhysicalDeviceBase>> Backend::DiscoverDefaultAdapters(
+    const TogglesState& adapterToggles) {
     AdapterDiscoveryOptions options(ToAPI(GetType()), nullptr);
-    std::vector<Ref<AdapterBase>> adapters;
+    std::vector<Ref<PhysicalDeviceBase>> adapters;
     if (GetInstance()->ConsumedError(DiscoverAdapters(&options, adapterToggles), &adapters)) {
         return {};
     }
     return adapters;
 }
 
-ResultOrError<std::vector<Ref<AdapterBase>>> Backend::DiscoverAdapters(
+ResultOrError<std::vector<Ref<PhysicalDeviceBase>>> Backend::DiscoverAdapters(
     const AdapterDiscoveryOptionsBase* optionsBase,
     const TogglesState& adapterToggles) {
     ASSERT(optionsBase->backendType == ToAPI(GetType()));
     const AdapterDiscoveryOptions* options =
         static_cast<const AdapterDiscoveryOptions*>(optionsBase);
 
-    std::vector<Ref<AdapterBase>> adapters;
+    std::vector<Ref<PhysicalDeviceBase>> adapters;
     if (options->dxgiAdapter != nullptr) {
         // |dxgiAdapter| was provided. Discover just that adapter.
-        Ref<AdapterBase> adapter;
+        Ref<PhysicalDeviceBase> adapter;
         DAWN_TRY_ASSIGN(adapter,
                         CreateAdapterFromIDXGIAdapter(options->dxgiAdapter, adapterToggles));
         adapters.push_back(std::move(adapter));
@@ -272,7 +273,7 @@ ResultOrError<std::vector<Ref<AdapterBase>>> Backend::DiscoverAdapters(
         }
 
         ASSERT(dxgiAdapter != nullptr);
-        Ref<AdapterBase> adapter;
+        Ref<PhysicalDeviceBase> adapter;
         if (GetInstance()->ConsumedError(CreateAdapterFromIDXGIAdapter(dxgiAdapter, adapterToggles),
                                          &adapter)) {
             continue;

src/dawn/native/d3d/BackendD3D.h

@@ -75,14 +75,14 @@ class Backend : public BackendConnection {
 
     const PlatformFunctions* GetFunctions() const;
 
-    std::vector<Ref<AdapterBase>> DiscoverDefaultAdapters(
+    std::vector<Ref<PhysicalDeviceBase>> DiscoverDefaultAdapters(
         const TogglesState& adapterToggles) override;
-    ResultOrError<std::vector<Ref<AdapterBase>>> DiscoverAdapters(
+    ResultOrError<std::vector<Ref<PhysicalDeviceBase>>> DiscoverAdapters(
         const AdapterDiscoveryOptionsBase* optionsBase,
         const TogglesState& adapterToggles) override;
 
   protected:
-    virtual ResultOrError<Ref<AdapterBase>> CreateAdapterFromIDXGIAdapter(
+    virtual ResultOrError<Ref<PhysicalDeviceBase>> CreateAdapterFromIDXGIAdapter(
         ComPtr<IDXGIAdapter> dxgiAdapter,
         const TogglesState& adapterToggles) = 0;
 

src/dawn/native/d3d11/AdapterD3D11.h

@@ -31,7 +31,7 @@ class Adapter : public d3d::Adapter {
             const TogglesState& adapterToggles);
     ~Adapter() override;
 
-    // AdapterBase Implementation
+    // PhysicalDeviceBase Implementation
     bool SupportsExternalImages() const override;
 
     const DeviceInfo& GetDeviceInfo() const;

src/dawn/native/d3d11/BackendD3D11.cpp

@@ -41,7 +41,7 @@ const PlatformFunctions* Backend::GetFunctions() const {
     return static_cast<const PlatformFunctions*>(Base::GetFunctions());
 }
 
-ResultOrError<Ref<AdapterBase>> Backend::CreateAdapterFromIDXGIAdapter(
+ResultOrError<Ref<PhysicalDeviceBase>> Backend::CreateAdapterFromIDXGIAdapter(
     ComPtr<IDXGIAdapter> dxgiAdapter,
     const TogglesState& adapterToggles) {
     ComPtr<IDXGIAdapter3> dxgiAdapter3;

src/dawn/native/d3d11/BackendD3D11.h

@@ -31,7 +31,7 @@ class Backend : public d3d::Backend {
     const PlatformFunctions* GetFunctions() const;
 
   protected:
-    ResultOrError<Ref<AdapterBase>> CreateAdapterFromIDXGIAdapter(
+    ResultOrError<Ref<PhysicalDeviceBase>> CreateAdapterFromIDXGIAdapter(
         ComPtr<IDXGIAdapter> dxgiAdapter,
         const TogglesState& adapterToggles) override;
 

src/dawn/native/d3d12/AdapterD3D12.h

@@ -15,7 +15,7 @@
 #ifndef SRC_DAWN_NATIVE_D3D12_ADAPTERD3D12_H_
 #define SRC_DAWN_NATIVE_D3D12_ADAPTERD3D12_H_
 
-#include "dawn/native/Adapter.h"
+#include "dawn/native/PhysicalDevice.h"
 
 #include "dawn/native/d3d/AdapterD3D.h"
 #include "dawn/native/d3d12/D3D12Info.h"
@@ -32,7 +32,7 @@ class Adapter : public d3d::Adapter {
             const TogglesState& adapterToggles);
     ~Adapter() override;
 
-    // AdapterBase Implementation
+    // PhysicalDeviceBase Implementation
     bool SupportsExternalImages() const override;
 
     const D3D12DeviceInfo& GetDeviceInfo() const;

src/dawn/native/d3d12/BackendD3D12.cpp

@@ -63,7 +63,7 @@ const PlatformFunctions* Backend::GetFunctions() const {
     return static_cast<const PlatformFunctions*>(Base::GetFunctions());
 }
 
-ResultOrError<Ref<AdapterBase>> Backend::CreateAdapterFromIDXGIAdapter(
+ResultOrError<Ref<PhysicalDeviceBase>> Backend::CreateAdapterFromIDXGIAdapter(
     ComPtr<IDXGIAdapter> dxgiAdapter,
     const TogglesState& adapterToggles) {
     ComPtr<IDXGIAdapter3> dxgiAdapter3;

src/dawn/native/d3d12/BackendD3D12.h

@@ -35,7 +35,7 @@ class Backend final : public d3d::Backend {
     const PlatformFunctions* GetFunctions() const;
 
   protected:
-    ResultOrError<Ref<AdapterBase>> CreateAdapterFromIDXGIAdapter(
+    ResultOrError<Ref<PhysicalDeviceBase>> CreateAdapterFromIDXGIAdapter(
         ComPtr<IDXGIAdapter> dxgiAdapter,
         const TogglesState& adapterToggles) override;
 

src/dawn/native/metal/BackendMTL.h

@@ -26,9 +26,9 @@ class Backend : public BackendConnection {
     explicit Backend(InstanceBase* instance);
     ~Backend() override;
 
-    std::vector<Ref<AdapterBase>> DiscoverDefaultAdapters(
+    std::vector<Ref<PhysicalDeviceBase>> DiscoverDefaultAdapters(
         const TogglesState& adapterToggles) override;
-    ResultOrError<std::vector<Ref<AdapterBase>>> DiscoverAdapters(
+    ResultOrError<std::vector<Ref<PhysicalDeviceBase>>> DiscoverAdapters(
         const AdapterDiscoveryOptionsBase* optionsBase,
         const TogglesState& adapterToggles) override;
 };

src/dawn/native/metal/BackendMTL.mm

@@ -253,10 +253,11 @@ DAWN_NOINLINE bool IsGPUCounterSupported(id<MTLDevice> device,
 
 // The Metal backend's Adapter.
 
-class Adapter : public AdapterBase {
+class Adapter : public PhysicalDeviceBase {
   public:
     Adapter(InstanceBase* instance, id<MTLDevice> device, const TogglesState& requiredAdapterToggle)
-        : AdapterBase(instance, wgpu::BackendType::Metal, requiredAdapterToggle), mDevice(device) {
+        : PhysicalDeviceBase(instance, wgpu::BackendType::Metal, requiredAdapterToggle),
+          mDevice(device) {
         mName = std::string([[*mDevice name] UTF8String]);
 
         PCIIDs ids;
@@ -283,7 +284,7 @@ class Adapter : public AdapterBase {
         mDriverDescription = "Metal driver on " + std::string(systemName) + [osVersion UTF8String];
     }
 
-    // AdapterBase Implementation
+    // PhysicalDeviceBase Implementation
     bool SupportsExternalImages() const override {
         // Via dawn::native::metal::WrapIOSurface
         return true;
@@ -786,7 +787,8 @@ Backend::Backend(InstanceBase* instance) : BackendConnection(instance, wgpu::Bac
 
 Backend::~Backend() = default;
 
-std::vector<Ref<AdapterBase>> Backend::DiscoverDefaultAdapters(const TogglesState& adapterToggles) {
+std::vector<Ref<PhysicalDeviceBase>> Backend::DiscoverDefaultAdapters(
+    const TogglesState& adapterToggles) {
     AdapterDiscoveryOptions options;
     auto result = DiscoverAdapters(&options, adapterToggles);
     if (result.IsError()) {
@@ -796,12 +798,12 @@ std::vector<Ref<AdapterBase>> Backend::DiscoverDefaultAdapters(const TogglesStat
     return result.AcquireSuccess();
 }
 
-ResultOrError<std::vector<Ref<AdapterBase>>> Backend::DiscoverAdapters(
+ResultOrError<std::vector<Ref<PhysicalDeviceBase>>> Backend::DiscoverAdapters(
     const AdapterDiscoveryOptionsBase* optionsBase,
     const TogglesState& adapterToggles) {
     ASSERT(optionsBase->backendType == WGPUBackendType_Metal);
 
-    std::vector<Ref<AdapterBase>> adapters;
+    std::vector<Ref<PhysicalDeviceBase>> adapters;
 #if DAWN_PLATFORM_IS(MACOS)
     NSRef<NSArray<id<MTLDevice>>> devices = AcquireNSRef(MTLCopyAllDevices());
 

src/dawn/native/null/DeviceNull.cpp

@@ -35,7 +35,7 @@ Adapter::Adapter(InstanceBase* instance)
               TogglesState(ToggleStage::Adapter).InheritFrom(instance->GetTogglesState())) {}
 
 Adapter::Adapter(InstanceBase* instance, const TogglesState& adapterToggles)
-    : AdapterBase(instance, wgpu::BackendType::Null, adapterToggles) {
+    : PhysicalDeviceBase(instance, wgpu::BackendType::Null, adapterToggles) {
     mVendorId = 0;
     mDeviceId = 0;
     mName = "Null backend";
@@ -83,11 +83,11 @@ class Backend : public BackendConnection {
     explicit Backend(InstanceBase* instance)
         : BackendConnection(instance, wgpu::BackendType::Null) {}
 
-    std::vector<Ref<AdapterBase>> DiscoverDefaultAdapters(
+    std::vector<Ref<PhysicalDeviceBase>> DiscoverDefaultAdapters(
         const TogglesState& adapterToggles) override {
         // There is always a single Null adapter because it is purely CPU based and doesn't
         // depend on the system.
-        std::vector<Ref<AdapterBase>> adapters;
+        std::vector<Ref<PhysicalDeviceBase>> adapters;
         Ref<Adapter> adapter = AcquireRef(new Adapter(GetInstance(), adapterToggles));
         adapters.push_back(std::move(adapter));
         return adapters;

src/dawn/native/null/DeviceNull.h

@@ -18,7 +18,6 @@
 #include <memory>
 #include <vector>
 
-#include "dawn/native/Adapter.h"
 #include "dawn/native/BindGroup.h"
 #include "dawn/native/BindGroupLayout.h"
 #include "dawn/native/Buffer.h"
@@ -26,6 +25,7 @@
 #include "dawn/native/CommandEncoder.h"
 #include "dawn/native/ComputePipeline.h"
 #include "dawn/native/Device.h"
+#include "dawn/native/PhysicalDevice.h"
 #include "dawn/native/PipelineLayout.h"
 #include "dawn/native/QuerySet.h"
 #include "dawn/native/Queue.h"
@@ -170,7 +170,7 @@ class Device final : public DeviceBase {
     size_t mMemoryUsage = 0;
 };
 
-class Adapter : public AdapterBase {
+class Adapter : public PhysicalDeviceBase {
   public:
     // Create null adapter without providing toggles state for testing, only inherit instance's
     // toggles state
@@ -178,11 +178,11 @@ class Adapter : public AdapterBase {
     Adapter(InstanceBase* instance, const TogglesState& adapterToggles);
     ~Adapter() override;
 
-    // AdapterBase Implementation
+    // PhysicalDeviceBase Implementation
     bool SupportsExternalImages() const override;
 
     // Used for the tests that intend to use an adapter without all features enabled.
-    using AdapterBase::SetSupportedFeaturesForTesting;
+    using PhysicalDeviceBase::SetSupportedFeaturesForTesting;
 
   private:
     MaybeError InitializeImpl() override;

src/dawn/native/opengl/AdapterGL.cpp

@@ -56,7 +56,7 @@ uint32_t GetVendorIdFromVendors(const char* vendor) {
 Adapter::Adapter(InstanceBase* instance,
                  wgpu::BackendType backendType,
                  const TogglesState& adapterToggle)
-    : AdapterBase(instance, backendType, adapterToggle) {}
+    : PhysicalDeviceBase(instance, backendType, adapterToggle) {}
 
 MaybeError Adapter::InitializeGLFunctions(void* (*getProc)(const char*)) {
     // Use getProc to populate the dispatch table

src/dawn/native/opengl/AdapterGL.h

@@ -15,13 +15,13 @@
 #ifndef SRC_DAWN_NATIVE_OPENGL_ADAPTERGL_H_
 #define SRC_DAWN_NATIVE_OPENGL_ADAPTERGL_H_
 
-#include "dawn/native/Adapter.h"
+#include "dawn/native/PhysicalDevice.h"
 #include "dawn/native/opengl/EGLFunctions.h"
 #include "dawn/native/opengl/OpenGLFunctions.h"
 
 namespace dawn::native::opengl {
 
-class Adapter : public AdapterBase {
+class Adapter : public PhysicalDeviceBase {
   public:
     Adapter(InstanceBase* instance,
             wgpu::BackendType backendType,
@@ -31,7 +31,7 @@ class Adapter : public AdapterBase {
 
     ~Adapter() override = default;
 
-    // AdapterBase Implementation
+    // PhysicalDeviceBase Implementation
     bool SupportsExternalImages() const override;
 
   private:

src/dawn/native/opengl/BackendGL.cpp

@@ -33,8 +33,9 @@ namespace dawn::native::opengl {
 Backend::Backend(InstanceBase* instance, wgpu::BackendType backendType)
     : BackendConnection(instance, backendType) {}
 
-std::vector<Ref<AdapterBase>> Backend::DiscoverDefaultAdapters(const TogglesState& adapterToggles) {
+std::vector<Ref<PhysicalDeviceBase>> Backend::DiscoverDefaultAdapters(
-    std::vector<Ref<AdapterBase>> adapters;
+    const TogglesState& adapterToggles) {
+    std::vector<Ref<PhysicalDeviceBase>> adapters;
 #if DAWN_PLATFORM_IS(WINDOWS)
     const char* eglLib = "libEGL.dll";
 #elif DAWN_PLATFORM_IS(MACOS)
@@ -83,7 +84,7 @@ std::vector<Ref<AdapterBase>> Backend::DiscoverDefaultAdapters(const TogglesStat
     return adapters;
 }
 
-ResultOrError<std::vector<Ref<AdapterBase>>> Backend::DiscoverAdapters(
+ResultOrError<std::vector<Ref<PhysicalDeviceBase>>> Backend::DiscoverAdapters(
     const AdapterDiscoveryOptionsBase* optionsBase,
     const TogglesState& adapterToggles) {
     // TODO(cwallez@chromium.org): For now only create a single OpenGL adapter because don't
@@ -102,7 +103,7 @@ ResultOrError<std::vector<Ref<AdapterBase>>> Backend::DiscoverAdapters(
     DAWN_TRY(adapter->Initialize());
 
     mCreatedAdapter = true;
-    std::vector<Ref<AdapterBase>> adapters{std::move(adapter)};
+    std::vector<Ref<PhysicalDeviceBase>> adapters{std::move(adapter)};
     return std::move(adapters);
 }
 

src/dawn/native/opengl/BackendGL.h

@@ -26,9 +26,9 @@ class Backend : public BackendConnection {
   public:
     Backend(InstanceBase* instance, wgpu::BackendType backendType);
 
-    std::vector<Ref<AdapterBase>> DiscoverDefaultAdapters(
+    std::vector<Ref<PhysicalDeviceBase>> DiscoverDefaultAdapters(
         const TogglesState& adapterToggles) override;
-    ResultOrError<std::vector<Ref<AdapterBase>>> DiscoverAdapters(
+    ResultOrError<std::vector<Ref<PhysicalDeviceBase>>> DiscoverAdapters(
         const AdapterDiscoveryOptionsBase* option,
         const TogglesState& adapterToggless) override;
 

src/dawn/native/vulkan/AdapterVk.cpp

@@ -60,7 +60,7 @@ Adapter::Adapter(InstanceBase* instance,
                  VulkanInstance* vulkanInstance,
                  VkPhysicalDevice physicalDevice,
                  const TogglesState& adapterToggles)
-    : AdapterBase(instance, wgpu::BackendType::Vulkan, adapterToggles),
+    : PhysicalDeviceBase(instance, wgpu::BackendType::Vulkan, adapterToggles),
       mPhysicalDevice(physicalDevice),
       mVulkanInstance(vulkanInstance) {}
 

src/dawn/native/vulkan/AdapterVk.h

@@ -15,7 +15,7 @@
 #ifndef SRC_DAWN_NATIVE_VULKAN_ADAPTERVK_H_
 #define SRC_DAWN_NATIVE_VULKAN_ADAPTERVK_H_
 
-#include "dawn/native/Adapter.h"
+#include "dawn/native/PhysicalDevice.h"
 
 #include "dawn/common/RefCounted.h"
 #include "dawn/common/vulkan_platform.h"
@@ -25,7 +25,7 @@ namespace dawn::native::vulkan {
 
 class VulkanInstance;
 
-class Adapter : public AdapterBase {
+class Adapter : public PhysicalDeviceBase {
   public:
     Adapter(InstanceBase* instance,
             VulkanInstance* vulkanInstance,
@@ -33,7 +33,7 @@ class Adapter : public AdapterBase {
             const TogglesState& adapterToggles);
     ~Adapter() override;
 
-    // AdapterBase Implementation
+    // PhysicalDeviceBase Implementation
     bool SupportsExternalImages() const override;
 
     const VulkanDeviceInfo& GetDeviceInfo() const;

src/dawn/native/vulkan/BackendVk.cpp

@@ -457,7 +457,8 @@ Backend::Backend(InstanceBase* instance) : BackendConnection(instance, wgpu::Bac
 
 Backend::~Backend() = default;
 
-std::vector<Ref<AdapterBase>> Backend::DiscoverDefaultAdapters(const TogglesState& adapterToggles) {
+std::vector<Ref<PhysicalDeviceBase>> Backend::DiscoverDefaultAdapters(
+    const TogglesState& adapterToggles) {
     AdapterDiscoveryOptions options;
     auto result = DiscoverAdapters(&options, adapterToggles);
     if (result.IsError()) {
@@ -467,7 +468,7 @@ std::vector<Ref<AdapterBase>> Backend::DiscoverDefaultAdapters(const TogglesStat
     return result.AcquireSuccess();
 }
 
-ResultOrError<std::vector<Ref<AdapterBase>>> Backend::DiscoverAdapters(
+ResultOrError<std::vector<Ref<PhysicalDeviceBase>>> Backend::DiscoverAdapters(
     const AdapterDiscoveryOptionsBase* optionsBase,
     const TogglesState& adapterToggles) {
     ASSERT(optionsBase->backendType == WGPUBackendType_Vulkan);
@@ -475,7 +476,7 @@ ResultOrError<std::vector<Ref<AdapterBase>>> Backend::DiscoverAdapters(
     const AdapterDiscoveryOptions* options =
         static_cast<const AdapterDiscoveryOptions*>(optionsBase);
 
-    std::vector<Ref<AdapterBase>> adapters;
+    std::vector<Ref<PhysicalDeviceBase>> adapters;
 
     InstanceBase* instance = GetInstance();
     for (ICD icd : kICDs) {

src/dawn/native/vulkan/BackendVk.h

@@ -91,9 +91,9 @@ class Backend : public BackendConnection {
 
     MaybeError Initialize();
 
-    std::vector<Ref<AdapterBase>> DiscoverDefaultAdapters(
+    std::vector<Ref<PhysicalDeviceBase>> DiscoverDefaultAdapters(
         const TogglesState& adapterToggles) override;
-    ResultOrError<std::vector<Ref<AdapterBase>>> DiscoverAdapters(
+    ResultOrError<std::vector<Ref<PhysicalDeviceBase>>> DiscoverAdapters(
         const AdapterDiscoveryOptionsBase* optionsBase,
         const TogglesState& adapterToggles) override;
 

src/dawn/tests/unittests/validation/ValidationTest.cpp

@@ -18,6 +18,7 @@
 #include "dawn/common/Assert.h"
 #include "dawn/common/SystemUtils.h"
 #include "dawn/dawn_proc.h"
+#include "dawn/native/Adapter.h"
 #include "dawn/native/NullBackend.h"
 #include "dawn/tests/ToggleParser.h"
 #include "dawn/tests/unittests/validation/ValidationTest.h"