src/dawn_wire/client/Instance.h

// Copyright 2021 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 DAWNWIRE_CLIENT_INSTANCE_H_
#define DAWNWIRE_CLIENT_INSTANCE_H_

#include <dawn/webgpu.h>

#include "dawn_wire/WireClient.h"
#include "dawn_wire/WireCmd_autogen.h"
#include "dawn_wire/client/ObjectBase.h"
#include "dawn_wire/client/RequestTracker.h"

namespace dawn_wire::client {

    class Instance final : public ObjectBase {
      public:
        using ObjectBase::ObjectBase;

        ~Instance();
        void CancelCallbacksForDisconnect() override;

        void RequestAdapter(const WGPURequestAdapterOptions* options,
                            WGPURequestAdapterCallback callback,
                            void* userdata);
        bool OnRequestAdapterCallback(uint64_t requestSerial,
                                      WGPURequestAdapterStatus status,
                                      const char* message,
                                      const WGPUAdapterProperties* properties,
                                      const WGPUSupportedLimits* limits,
                                      uint32_t featuresCount,
                                      const WGPUFeatureName* features);

      private:
        struct RequestAdapterData {
            WGPURequestAdapterCallback callback = nullptr;
            ObjectId adapterObjectId;
            void* userdata = nullptr;
        };
        RequestTracker<RequestAdapterData> mRequestAdapterRequests;
    };

}  // namespace dawn_wire::client

#endif  // DAWNWIRE_CLIENT_INSTANCE_H_