// Copyright 2020 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
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// 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
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#ifndef SRC_DAWN_NATIVE_QUERYHELPER_H_
#define SRC_DAWN_NATIVE_QUERYHELPER_H_

#include "src/dawn/native/Error.h"
#include "src/dawn/native/ObjectBase.h"

namespace dawn::native {

class BufferBase;
class CommandEncoder;

struct TimestampParams {
    TimestampParams(uint32_t count, uint32_t offset, uint32_t quantizationMask, float period);

    uint32_t count = 0;
    uint32_t offset = 0;
    uint32_t quantizationMask = 0;
    uint32_t multiplier = 0;
    uint32_t rightShift = 0;
};

MaybeError EncodeConvertTimestampsToNanoseconds(CommandEncoder* encoder,
                                                uint32_t queryCount,
                                                BufferBase* timestamps,
                                                BufferBase* params);

}  // namespace dawn::native

#endif  // SRC_DAWN_NATIVE_QUERYHELPER_H_