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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.
#include "dawn_native/Adapter.h"
#include "dawn_native/Instance.h"
namespace dawn_native {
AdapterBase::AdapterBase(InstanceBase* instance, wgpu::BackendType backend)
: mInstance(instance), mBackend(backend) {
}
wgpu::BackendType AdapterBase::GetBackendType() const {
return mBackend;
}
wgpu::AdapterType AdapterBase::GetAdapterType() const {
return mAdapterType;
}
const std::string& AdapterBase::GetDriverDescription() const {
return mDriverDescription;
}
const PCIInfo& AdapterBase::GetPCIInfo() const {
return mPCIInfo;
}
InstanceBase* AdapterBase::GetInstance() const {
return mInstance;
}
ExtensionsSet AdapterBase::GetSupportedExtensions() const {
return mSupportedExtensions;
}
bool AdapterBase::SupportsAllRequestedExtensions(
const std::vector<const char*>& requestedExtensions) const {
for (const char* extensionStr : requestedExtensions) {
Extension extensionEnum = mInstance->ExtensionNameToEnum(extensionStr);
if (extensionEnum == Extension::InvalidEnum) {
return false;
}
if (!mSupportedExtensions.IsEnabled(extensionEnum)) {
return false;
}
}
return true;
}
WGPUDeviceProperties AdapterBase::GetAdapterProperties() const {
WGPUDeviceProperties adapterProperties = {};
mSupportedExtensions.InitializeDeviceProperties(&adapterProperties);
return adapterProperties;
}
DeviceBase* AdapterBase::CreateDevice(const DeviceDescriptor* descriptor) {
DeviceBase* result = nullptr;
if (mInstance->ConsumedError(CreateDeviceInternal(&result, descriptor))) {
return nullptr;
}
return result;
}
MaybeError AdapterBase::CreateDeviceInternal(DeviceBase** result,
const DeviceDescriptor* descriptor) {
if (descriptor != nullptr) {
if (!SupportsAllRequestedExtensions(descriptor->requiredExtensions)) {
return DAWN_VALIDATION_ERROR("One or more requested extensions are not supported");
}
}
// TODO(cwallez@chromium.org): This will eventually have validation that the device
// descriptor is valid and is a subset what's allowed on this adapter.
DAWN_TRY_ASSIGN(*result, CreateDeviceImpl(descriptor));
return {};
}
void AdapterBase::ResetInternalDeviceForTesting() {
mInstance->ConsumedError(ResetInternalDeviceForTestingImpl());
}
MaybeError AdapterBase::ResetInternalDeviceForTestingImpl() {
return DAWN_INTERNAL_ERROR(
"ResetInternalDeviceForTesting should only be used with the D3D12 backend.");
}
} // namespace dawn_native