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90e594ee8b
The OpenGL backend can't gather discover default adapters because it needs getProc to do anything so we add DiscoverAdapters method to Instance that takes backend-specific options. dawn_native::opengl::CreateDevice is removed in favor of the adapter path so OpenGLBinding is modified to create an instance locally. This is only temporary until all backends support adapters, at which point a lot of *Binding code will be factored. Also contains a small fix for Result<T, E> with movable types. BUG=dawn:29 Change-Id: I4eb3d4a14a871af73e1872132aff72b45e5fe566 Reviewed-on: https://dawn-review.googlesource.com/c/3663 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Kai Ninomiya <kainino@chromium.org>
51 lines
1.8 KiB
C++
51 lines
1.8 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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#ifndef DAWNNATIVE_BACKENDCONNECTION_H_
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#define DAWNNATIVE_BACKENDCONNECTION_H_
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#include "dawn_native/Adapter.h"
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#include "dawn_native/DawnNative.h"
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#include <memory>
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namespace dawn_native {
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// An common interface for all backends. Mostly used to create adapters for a particular
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// backend.
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class BackendConnection {
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public:
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BackendConnection(InstanceBase* instance, BackendType type);
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virtual ~BackendConnection() = default;
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BackendType GetType() const;
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InstanceBase* GetInstance() const;
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// Returns all the adapters for the system that can be created by the backend, without extra
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// options (such as debug adapters, custom driver libraries, etc.)
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virtual std::vector<std::unique_ptr<AdapterBase>> DiscoverDefaultAdapters() = 0;
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// Returns new adapters created with the backend-specific options.
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virtual ResultOrError<std::vector<std::unique_ptr<AdapterBase>>> DiscoverAdapters(
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const AdapterDiscoveryOptionsBase* options);
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private:
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InstanceBase* mInstance = nullptr;
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BackendType mType;
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};
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} // namespace dawn_native
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#endif // DAWNNATIVE_BACKENDCONNECTION_H_
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