// Copyright 2019 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// 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.
//
// 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.
//
// 3. Neither the name of the copyright holder nor the names of its
//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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#include "src/dawn/native/ResourceMemoryAllocation.h"

#include "src/utils/assert.h"

namespace dawn::native {

ResourceMemoryAllocation::ResourceMemoryAllocation() {}

ResourceMemoryAllocation::ResourceMemoryAllocation(const AllocationInfo& info,
                                                   uint64_t offset,
                                                   ResourceHeapBase* resourceHeap,
                                                   Span<std::byte> mappedSpan)
    : mInfo(info), mOffset(offset), mResourceHeap(resourceHeap), mMappedSpan(mappedSpan) {}

ResourceHeapBase* ResourceMemoryAllocation::GetResourceHeap() const {
    DAWN_ASSERT(mInfo.mMethod != AllocationMethod::kInvalid);
    return mResourceHeap;
}

uint64_t ResourceMemoryAllocation::GetOffset() const {
    DAWN_ASSERT(mInfo.mMethod != AllocationMethod::kInvalid);
    return mOffset;
}

AllocationInfo ResourceMemoryAllocation::GetInfo() const {
    return mInfo;
}

Span<std::byte> ResourceMemoryAllocation::GetMappedSpan() const {
    return mMappedSpan;
}

void ResourceMemoryAllocation::Invalidate() {
    mMappedSpan = {};
    mResourceHeap = nullptr;
    mInfo = {};
}
}  // namespace dawn::native