// Copyright 2020 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
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#ifndef SRC_DAWN_WIRE_CLIENT_QUEUE_H_
#define SRC_DAWN_WIRE_CLIENT_QUEUE_H_

#include <webgpu/webgpu.h>

#include <atomic>

#include "dawn/wire/WireClient.h"
#include "dawn/wire/client/ObjectBase.h"

namespace dawn::wire::client {

class Queue final : public ObjectWithEventsBase {
  public:
    using ObjectWithEventsBase::ObjectWithEventsBase;
    ~Queue() override;

    ObjectType GetObjectType() const override;

    uint64_t GetLastSubmitIndex() const;
    uint64_t GetCompletedSubmitIndex() const;

    // Dawn API
    void APISubmit(size_t commandCount, const WGPUCommandBuffer* commands);
    WGPUFuture APIOnSubmittedWorkDone(const WGPUQueueWorkDoneCallbackInfo& callbackInfo);
    void APIWriteBuffer(WGPUBuffer cBuffer, uint64_t bufferOffset, const void* data, size_t size);
    void APIWriteTexture(const WGPUTexelCopyTextureInfo* destination,
                         const void* data,
                         size_t dataSize,
                         const WGPUTexelCopyBufferLayout* dataLayout,
                         const WGPUExtent3D* writeSize);

  private:
    void WriteBufferXL(WGPUBuffer cBuffer, uint64_t bufferOffset, const void* data, size_t size);
    void WriteTextureXL(const WGPUTexelCopyTextureInfo* destination,
                        const void* data,
                        size_t dataSize,
                        const WGPUTexelCopyBufferLayout* dataLayout,
                        const WGPUExtent3D* writeSize);

    uint64_t mLastSubmitIndex = 0;
    std::atomic<uint64_t> mCompletedSubmitIndex = 0;
};

}  // namespace dawn::wire::client

#endif  // SRC_DAWN_WIRE_CLIENT_QUEUE_H_