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New objects are introduced to control what happens before device creation in dawn_native: - Instance: a connection from the application to dawn_native that is used for dependency injection and to discover adapters. - Adapters: represents the possibility of device creation for a specific (GPU, backend) pair. - BackendConnection: an internal object that standardizes the interface between the frontend and backends. The BackendConnection interface is implemented for the Null backend and stubbed out in other backends. This allows this change to port the ValidationTests to use the new Instance and Adapters concept and deal with other backends later. BUG=dawn:29 Change-Id: I19719a9342b4af091accc0c02fb6b9697eadde7b Reviewed-on: https://dawn-review.googlesource.com/c/3500 Reviewed-by: Stephen White <senorblanco@chromium.org> Reviewed-by: Kai Ninomiya <kainino@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Corentin Wallez <cwallez@chromium.org>
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
// Copyright 2018 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "dawn_native/Adapter.h"
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#include "dawn_native/Instance.h"
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namespace dawn_native {
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AdapterBase::AdapterBase(InstanceBase* instance, BackendType backend)
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: mInstance(instance), mBackend(backend) {
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}
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BackendType AdapterBase::GetBackendType() const {
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return mBackend;
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}
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const PCIInfo& AdapterBase::GetPCIInfo() const {
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return mPCIInfo;
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}
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InstanceBase* AdapterBase::GetInstance() const {
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return mInstance;
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}
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DeviceBase* AdapterBase::CreateDevice() {
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DeviceBase* result = nullptr;
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if (mInstance->ConsumedError(CreateDeviceInternal(&result))) {
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return nullptr;
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}
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return result;
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}
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MaybeError AdapterBase::CreateDeviceInternal(DeviceBase** result) {
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// TODO(cwallez@chromium.org): This will eventually have validation that the device
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// descriptor is valid and is a subset what's allowed on this adapter.
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DAWN_TRY_ASSIGN(*result, CreateDeviceImpl());
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return {};
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}
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} // namespace dawn_native
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