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// 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 DAWNNATIVE_ADAPTER_H_
#define DAWNNATIVE_ADAPTER_H_
#include "dawn/native/DawnNative.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/dawn_platform.h"
#include <string>
namespace dawn::native {
class DeviceBase;
class AdapterBase : public RefCounted {
public:
AdapterBase(InstanceBase* instance, wgpu::BackendType backend);
virtual ~AdapterBase() = default;
MaybeError Initialize();
// WebGPU API
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;
wgpu::BackendType GetBackendType() const;
InstanceBase* GetInstance() const;
void ResetInternalDeviceForTesting();
FeaturesSet GetSupportedFeatures() const;
bool SupportsAllRequiredFeatures(
const ityp::span<size_t, const wgpu::FeatureName>& features) const;
WGPUDeviceProperties GetAdapterProperties() const;
bool GetLimits(SupportedLimits* limits) const;
void SetUseTieredLimits(bool useTieredLimits);
virtual bool SupportsExternalImages() const = 0;
protected:
uint32_t mVendorId = 0xFFFFFFFF;
uint32_t mDeviceId = 0xFFFFFFFF;
std::string mName;
wgpu::AdapterType mAdapterType = wgpu::AdapterType::Unknown;
std::string mDriverDescription;
FeaturesSet mSupportedFeatures;
private:
virtual ResultOrError<Ref<DeviceBase>> CreateDeviceImpl(
const DeviceDescriptor* descriptor) = 0;
virtual MaybeError InitializeImpl() = 0;
// Check base WebGPU features and discover supported featurees.
virtual MaybeError InitializeSupportedFeaturesImpl() = 0;
// Check base WebGPU limits and populate supported limits.
virtual MaybeError InitializeSupportedLimitsImpl(CombinedLimits* limits) = 0;
ResultOrError<Ref<DeviceBase>> CreateDeviceInternal(const DeviceDescriptor* descriptor);
virtual MaybeError ResetInternalDeviceForTestingImpl();
InstanceBase* mInstance = nullptr;
wgpu::BackendType mBackend;
CombinedLimits mLimits;
bool mUseTieredLimits = false;
};
} // namespace dawn::native
#endif // DAWNNATIVE_ADAPTER_H_